mbed-rtos - Official mbed Real Time Operating System based on…

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Official mbed Real Time Operating System based on the RTX implementation of the CMSIS-RTOS API open standard.

Dependents: denki-yohou_b TestY201 Network-RTOS NTPClient_HelloWorld ... more

Deprecated

This is the mbed 2 rtos library. mbed OS 5 integrates the mbed library with mbed-rtos. With this, we have provided thread safety for all mbed APIs. If you'd like to learn about using mbed OS 5, please see the docs.

rtx/TARGET_CORTEX_M/rt_CMSIS.c@101:3d9d2b8b8f17, 2016-01-11 (annotated)

Committer:: mbed_official
Date:: Mon Jan 11 17:00:32 2016 +0000
Revision:: 101:3d9d2b8b8f17
Parent:: 72:83895f30f8f2
Child:: 112:53ace74b190c

Synchronized with git revision 42ceddf229b846d16879773feded31713dc9d5e9



Full URL: https://github.com/mbedmicro/mbed/commit/42ceddf229b846d16879773feded31713dc9d5e9/



Fix m7core

Who changed what in which revision?

User	Revision	Line number	New contents of line
mbed_official	49:77c8e4604045	1	/*----------------------------------------------------------------------------
mbed_official	49:77c8e4604045	2	* RL-ARM - RTX
mbed_official	49:77c8e4604045	3	*----------------------------------------------------------------------------
mbed_official	49:77c8e4604045	4	* Name: rt_CMSIS.c
mbed_official	49:77c8e4604045	5	* Purpose: CMSIS RTOS API
mbed_official	49:77c8e4604045	6	* Rev.: V4.60
mbed_official	49:77c8e4604045	7	*----------------------------------------------------------------------------
mbed_official	49:77c8e4604045	8	*
mbed_official	49:77c8e4604045	9	* Copyright (c) 1999-2009 KEIL, 2009-2012 ARM Germany GmbH
mbed_official	49:77c8e4604045	10	* All rights reserved.
mbed_official	49:77c8e4604045	11	* Redistribution and use in source and binary forms, with or without
mbed_official	49:77c8e4604045	12	* modification, are permitted provided that the following conditions are met:
mbed_official	49:77c8e4604045	13	* - Redistributions of source code must retain the above copyright
mbed_official	49:77c8e4604045	14	* notice, this list of conditions and the following disclaimer.
mbed_official	49:77c8e4604045	15	* - Redistributions in binary form must reproduce the above copyright
mbed_official	49:77c8e4604045	16	* notice, this list of conditions and the following disclaimer in the
mbed_official	49:77c8e4604045	17	* documentation and/or other materials provided with the distribution.
mbed_official	49:77c8e4604045	18	* - Neither the name of ARM nor the names of its contributors may be used
mbed_official	49:77c8e4604045	19	* to endorse or promote products derived from this software without
mbed_official	49:77c8e4604045	20	* specific prior written permission.
mbed_official	49:77c8e4604045	21	*
mbed_official	49:77c8e4604045	22	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official	49:77c8e4604045	23	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official	49:77c8e4604045	24	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
mbed_official	49:77c8e4604045	25	* ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
mbed_official	49:77c8e4604045	26	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
mbed_official	49:77c8e4604045	27	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
mbed_official	49:77c8e4604045	28	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official	49:77c8e4604045	29	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official	49:77c8e4604045	30	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
mbed_official	49:77c8e4604045	31	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mbed_official	49:77c8e4604045	32	* POSSIBILITY OF SUCH DAMAGE.
mbed_official	49:77c8e4604045	33	---------------------------------------------------------------------------/
mbed_official	49:77c8e4604045	34
mbed_official	49:77c8e4604045	35	#define __CMSIS_GENERIC
mbed_official	49:77c8e4604045	36
mbed_official	49:77c8e4604045	37	#if defined (__CORTEX_M4) \|\| defined (__CORTEX_M4F)
mbed_official	49:77c8e4604045	38	#include "core_cm4.h"
mbed_official	101:3d9d2b8b8f17	39	#elif defined (__CORTEX_M7) \|\| defined (__CORTEX_M7F)
mbed_official	101:3d9d2b8b8f17	40	#include "core_cm7.h"
mbed_official	49:77c8e4604045	41	#elif defined (__CORTEX_M3)
mbed_official	49:77c8e4604045	42	#include "core_cm3.h"
mbed_official	49:77c8e4604045	43	#elif defined (__CORTEX_M0)
mbed_official	49:77c8e4604045	44	#include "core_cm0.h"
mbed_official	49:77c8e4604045	45	#elif defined (__CORTEX_M0PLUS)
mbed_official	49:77c8e4604045	46	#include "core_cm0plus.h"
mbed_official	49:77c8e4604045	47	#else
mbed_official	49:77c8e4604045	48	#error "Missing __CORTEX_Mx definition"
mbed_official	49:77c8e4604045	49	#endif
mbed_official	49:77c8e4604045	50
mbed_official	49:77c8e4604045	51	#include "rt_TypeDef.h"
mbed_official	49:77c8e4604045	52	#include "RTX_Conf.h"
mbed_official	49:77c8e4604045	53	#include "rt_System.h"
mbed_official	49:77c8e4604045	54	#include "rt_Task.h"
mbed_official	49:77c8e4604045	55	#include "rt_Event.h"
mbed_official	49:77c8e4604045	56	#include "rt_List.h"
mbed_official	49:77c8e4604045	57	#include "rt_Time.h"
mbed_official	49:77c8e4604045	58	#include "rt_Mutex.h"
mbed_official	49:77c8e4604045	59	#include "rt_Semaphore.h"
mbed_official	49:77c8e4604045	60	#include "rt_Mailbox.h"
mbed_official	49:77c8e4604045	61	#include "rt_MemBox.h"
mbed_official	49:77c8e4604045	62	#include "rt_HAL_CM.h"
mbed_official	49:77c8e4604045	63
mbed_official	49:77c8e4604045	64	#define os_thread_cb OS_TCB
mbed_official	49:77c8e4604045	65
mbed_official	49:77c8e4604045	66	#include "cmsis_os.h"
mbed_official	49:77c8e4604045	67
mbed_official	49:77c8e4604045	68	#if (osFeature_Signals != 16)
mbed_official	49:77c8e4604045	69	#error Invalid "osFeature_Signals" value!
mbed_official	49:77c8e4604045	70	#endif
mbed_official	49:77c8e4604045	71	#if (osFeature_Semaphore > 65535)
mbed_official	49:77c8e4604045	72	#error Invalid "osFeature_Semaphore" value!
mbed_official	49:77c8e4604045	73	#endif
mbed_official	49:77c8e4604045	74	#if (osFeature_Wait != 0)
mbed_official	49:77c8e4604045	75	#error osWait not supported!
mbed_official	49:77c8e4604045	76	#endif
mbed_official	49:77c8e4604045	77
mbed_official	49:77c8e4604045	78
mbed_official	49:77c8e4604045	79	// ==== Enumeration, structures, defines ====
mbed_official	49:77c8e4604045	80
mbed_official	49:77c8e4604045	81	// Service Calls defines
mbed_official	49:77c8e4604045	82
mbed_official	49:77c8e4604045	83	#if defined (__CC_ARM) /* ARM Compiler */
mbed_official	49:77c8e4604045	84
mbed_official	49:77c8e4604045	85	#define __NO_RETURN __declspec(noreturn)
mbed_official	49:77c8e4604045	86
mbed_official	49:77c8e4604045	87	#define osEvent_type osEvent
mbed_official	49:77c8e4604045	88	#define osEvent_ret_status ret
mbed_official	49:77c8e4604045	89	#define osEvent_ret_value ret
mbed_official	49:77c8e4604045	90	#define osEvent_ret_msg ret
mbed_official	49:77c8e4604045	91	#define osEvent_ret_mail ret
mbed_official	49:77c8e4604045	92
mbed_official	49:77c8e4604045	93	#define osCallback_type osCallback
mbed_official	49:77c8e4604045	94	#define osCallback_ret ret
mbed_official	49:77c8e4604045	95
mbed_official	49:77c8e4604045	96	#define SVC_0_1(f,t,...) \
mbed_official	49:77c8e4604045	97	__svc_indirect(0) t _##f (t(*)()); \
mbed_official	49:77c8e4604045	98	t f (void); \
mbed_official	49:77c8e4604045	99	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	100	static __inline t __##f (void) { \
mbed_official	49:77c8e4604045	101	return _##f(f); \
mbed_official	49:77c8e4604045	102	}
mbed_official	49:77c8e4604045	103
mbed_official	49:77c8e4604045	104	#define SVC_1_1(f,t,t1,...) \
mbed_official	49:77c8e4604045	105	__svc_indirect(0) t _##f (t(*)(t1),t1); \
mbed_official	49:77c8e4604045	106	t f (t1 a1); \
mbed_official	49:77c8e4604045	107	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	108	static __inline t __##f (t1 a1) { \
mbed_official	49:77c8e4604045	109	return _##f(f,a1); \
mbed_official	49:77c8e4604045	110	}
mbed_official	49:77c8e4604045	111
mbed_official	49:77c8e4604045	112	#define SVC_2_1(f,t,t1,t2,...) \
mbed_official	49:77c8e4604045	113	__svc_indirect(0) t _##f (t(*)(t1,t2),t1,t2); \
mbed_official	49:77c8e4604045	114	t f (t1 a1, t2 a2); \
mbed_official	49:77c8e4604045	115	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	116	static __inline t __##f (t1 a1, t2 a2) { \
mbed_official	49:77c8e4604045	117	return _##f(f,a1,a2); \
mbed_official	49:77c8e4604045	118	}
mbed_official	49:77c8e4604045	119
mbed_official	49:77c8e4604045	120	#define SVC_3_1(f,t,t1,t2,t3,...) \
mbed_official	49:77c8e4604045	121	__svc_indirect(0) t _##f (t(*)(t1,t2,t3),t1,t2,t3); \
mbed_official	49:77c8e4604045	122	t f (t1 a1, t2 a2, t3 a3); \
mbed_official	49:77c8e4604045	123	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	124	static __inline t __##f (t1 a1, t2 a2, t3 a3) { \
mbed_official	49:77c8e4604045	125	return _##f(f,a1,a2,a3); \
mbed_official	49:77c8e4604045	126	}
mbed_official	49:77c8e4604045	127
mbed_official	49:77c8e4604045	128	#define SVC_4_1(f,t,t1,t2,t3,t4,...) \
mbed_official	49:77c8e4604045	129	__svc_indirect(0) t _##f (t(*)(t1,t2,t3,t4),t1,t2,t3,t4); \
mbed_official	49:77c8e4604045	130	t f (t1 a1, t2 a2, t3 a3, t4 a4); \
mbed_official	49:77c8e4604045	131	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	132	static __inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) { \
mbed_official	49:77c8e4604045	133	return _##f(f,a1,a2,a3,a4); \
mbed_official	49:77c8e4604045	134	}
mbed_official	49:77c8e4604045	135
mbed_official	49:77c8e4604045	136	#define SVC_1_2 SVC_1_1
mbed_official	49:77c8e4604045	137	#define SVC_1_3 SVC_1_1
mbed_official	49:77c8e4604045	138	#define SVC_2_3 SVC_2_1
mbed_official	49:77c8e4604045	139
mbed_official	49:77c8e4604045	140	#elif defined (__GNUC__) /* GNU Compiler */
mbed_official	49:77c8e4604045	141
mbed_official	49:77c8e4604045	142	#define __NO_RETURN __attribute__((noreturn))
mbed_official	49:77c8e4604045	143
mbed_official	49:77c8e4604045	144	typedef uint32_t __attribute__((vector_size(8))) ret64;
mbed_official	49:77c8e4604045	145	typedef uint32_t __attribute__((vector_size(16))) ret128;
mbed_official	49:77c8e4604045	146
mbed_official	49:77c8e4604045	147	#define RET_pointer __r0
mbed_official	49:77c8e4604045	148	#define RET_int32_t __r0
mbed_official	49:77c8e4604045	149	#define RET_osStatus __r0
mbed_official	49:77c8e4604045	150	#define RET_osPriority __r0
mbed_official	49:77c8e4604045	151	#define RET_osEvent {(osStatus)__r0, {(uint32_t)__r1}, {(void *)__r2}}
mbed_official	49:77c8e4604045	152	#define RET_osCallback {(void )__r0, (void )__r1}
mbed_official	49:77c8e4604045	153
mbed_official	49:77c8e4604045	154	#define osEvent_type ret128
mbed_official	49:77c8e4604045	155	#define osEvent_ret_status (ret128){ret.status}
mbed_official	49:77c8e4604045	156	#define osEvent_ret_value (ret128){ret.status, ret.value.v}
mbed_official	49:77c8e4604045	157	#define osEvent_ret_msg (ret128){ret.status, ret.value.v, (uint32_t)ret.def.message_id}
mbed_official	49:77c8e4604045	158	#define osEvent_ret_mail (ret128){ret.status, ret.value.v, (uint32_t)ret.def.mail_id}
mbed_official	49:77c8e4604045	159
mbed_official	49:77c8e4604045	160	#define osCallback_type ret64
mbed_official	49:77c8e4604045	161	#define osCallback_ret (ret64) {(uint32_t)ret.fp, (uint32_t)ret.arg}
mbed_official	49:77c8e4604045	162
mbed_official	49:77c8e4604045	163	#define SVC_ArgN(n) \
mbed_official	49:77c8e4604045	164	register int __r##n __asm("r"#n);
mbed_official	49:77c8e4604045	165
mbed_official	49:77c8e4604045	166	#define SVC_ArgR(n,t,a) \
mbed_official	49:77c8e4604045	167	register t __r##n __asm("r"#n) = a;
mbed_official	49:77c8e4604045	168
mbed_official	49:77c8e4604045	169	#define SVC_Arg0() \
mbed_official	49:77c8e4604045	170	SVC_ArgN(0) \
mbed_official	49:77c8e4604045	171	SVC_ArgN(1) \
mbed_official	49:77c8e4604045	172	SVC_ArgN(2) \
mbed_official	49:77c8e4604045	173	SVC_ArgN(3)
mbed_official	49:77c8e4604045	174
mbed_official	49:77c8e4604045	175	#define SVC_Arg1(t1) \
mbed_official	49:77c8e4604045	176	SVC_ArgR(0,t1,a1) \
mbed_official	49:77c8e4604045	177	SVC_ArgN(1) \
mbed_official	49:77c8e4604045	178	SVC_ArgN(2) \
mbed_official	49:77c8e4604045	179	SVC_ArgN(3)
mbed_official	49:77c8e4604045	180
mbed_official	49:77c8e4604045	181	#define SVC_Arg2(t1,t2) \
mbed_official	49:77c8e4604045	182	SVC_ArgR(0,t1,a1) \
mbed_official	49:77c8e4604045	183	SVC_ArgR(1,t2,a2) \
mbed_official	49:77c8e4604045	184	SVC_ArgN(2) \
mbed_official	49:77c8e4604045	185	SVC_ArgN(3)
mbed_official	49:77c8e4604045	186
mbed_official	49:77c8e4604045	187	#define SVC_Arg3(t1,t2,t3) \
mbed_official	49:77c8e4604045	188	SVC_ArgR(0,t1,a1) \
mbed_official	49:77c8e4604045	189	SVC_ArgR(1,t2,a2) \
mbed_official	49:77c8e4604045	190	SVC_ArgR(2,t3,a3) \
mbed_official	49:77c8e4604045	191	SVC_ArgN(3)
mbed_official	49:77c8e4604045	192
mbed_official	49:77c8e4604045	193	#define SVC_Arg4(t1,t2,t3,t4) \
mbed_official	49:77c8e4604045	194	SVC_ArgR(0,t1,a1) \
mbed_official	49:77c8e4604045	195	SVC_ArgR(1,t2,a2) \
mbed_official	49:77c8e4604045	196	SVC_ArgR(2,t3,a3) \
mbed_official	49:77c8e4604045	197	SVC_ArgR(3,t4,a4)
mbed_official	49:77c8e4604045	198
mbed_official	49:77c8e4604045	199	#if (defined (__CORTEX_M0)) \|\| defined (__CORTEX_M0PLUS)
mbed_official	49:77c8e4604045	200	#define SVC_Call(f) \
mbed_official	49:77c8e4604045	201	__asm volatile \
mbed_official	49:77c8e4604045	202	( \
mbed_official	49:77c8e4604045	203	"ldr r7,="#f"\n\t" \
mbed_official	49:77c8e4604045	204	"mov r12,r7\n\t" \
mbed_official	49:77c8e4604045	205	"svc 0" \
mbed_official	49:77c8e4604045	206	: "=r" (__r0), "=r" (__r1), "=r" (__r2), "=r" (__r3) \
mbed_official	49:77c8e4604045	207	: "r" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) \
mbed_official	49:77c8e4604045	208	: "r7", "r12", "lr", "cc" \
mbed_official	49:77c8e4604045	209	);
mbed_official	49:77c8e4604045	210	#else
mbed_official	49:77c8e4604045	211	#define SVC_Call(f) \
mbed_official	49:77c8e4604045	212	__asm volatile \
mbed_official	49:77c8e4604045	213	( \
mbed_official	49:77c8e4604045	214	"ldr r12,="#f"\n\t" \
mbed_official	49:77c8e4604045	215	"svc 0" \
mbed_official	49:77c8e4604045	216	: "=r" (__r0), "=r" (__r1), "=r" (__r2), "=r" (__r3) \
mbed_official	49:77c8e4604045	217	: "r" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) \
mbed_official	49:77c8e4604045	218	: "r12", "lr", "cc" \
mbed_official	49:77c8e4604045	219	);
mbed_official	49:77c8e4604045	220	#endif
mbed_official	49:77c8e4604045	221
mbed_official	49:77c8e4604045	222	#define SVC_0_1(f,t,rv) \
mbed_official	49:77c8e4604045	223	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	224	static inline t __##f (void) { \
mbed_official	49:77c8e4604045	225	SVC_Arg0(); \
mbed_official	49:77c8e4604045	226	SVC_Call(f); \
mbed_official	49:77c8e4604045	227	return (t) rv; \
mbed_official	49:77c8e4604045	228	}
mbed_official	49:77c8e4604045	229
mbed_official	49:77c8e4604045	230	#define SVC_1_1(f,t,t1,rv) \
mbed_official	49:77c8e4604045	231	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	232	static inline t __##f (t1 a1) { \
mbed_official	49:77c8e4604045	233	SVC_Arg1(t1); \
mbed_official	49:77c8e4604045	234	SVC_Call(f); \
mbed_official	49:77c8e4604045	235	return (t) rv; \
mbed_official	49:77c8e4604045	236	}
mbed_official	49:77c8e4604045	237
mbed_official	49:77c8e4604045	238	#define SVC_2_1(f,t,t1,t2,rv) \
mbed_official	49:77c8e4604045	239	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	240	static inline t __##f (t1 a1, t2 a2) { \
mbed_official	49:77c8e4604045	241	SVC_Arg2(t1,t2); \
mbed_official	49:77c8e4604045	242	SVC_Call(f); \
mbed_official	49:77c8e4604045	243	return (t) rv; \
mbed_official	49:77c8e4604045	244	}
mbed_official	49:77c8e4604045	245
mbed_official	49:77c8e4604045	246	#define SVC_3_1(f,t,t1,t2,t3,rv) \
mbed_official	49:77c8e4604045	247	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	248	static inline t __##f (t1 a1, t2 a2, t3 a3) { \
mbed_official	49:77c8e4604045	249	SVC_Arg3(t1,t2,t3); \
mbed_official	49:77c8e4604045	250	SVC_Call(f); \
mbed_official	49:77c8e4604045	251	return (t) rv; \
mbed_official	49:77c8e4604045	252	}
mbed_official	49:77c8e4604045	253
mbed_official	49:77c8e4604045	254	#define SVC_4_1(f,t,t1,t2,t3,t4,rv) \
mbed_official	49:77c8e4604045	255	__attribute__((always_inline)) \
mbed_official	49:77c8e4604045	256	static inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) { \
mbed_official	49:77c8e4604045	257	SVC_Arg4(t1,t2,t3,t4); \
mbed_official	49:77c8e4604045	258	SVC_Call(f); \
mbed_official	49:77c8e4604045	259	return (t) rv; \
mbed_official	49:77c8e4604045	260	}
mbed_official	49:77c8e4604045	261
mbed_official	49:77c8e4604045	262	#define SVC_1_2 SVC_1_1
mbed_official	49:77c8e4604045	263	#define SVC_1_3 SVC_1_1
mbed_official	49:77c8e4604045	264	#define SVC_2_3 SVC_2_1
mbed_official	49:77c8e4604045	265
mbed_official	49:77c8e4604045	266	#elif defined (__ICCARM__) /* IAR Compiler */
mbed_official	49:77c8e4604045	267
mbed_official	49:77c8e4604045	268	#define __NO_RETURN __noreturn
mbed_official	49:77c8e4604045	269
mbed_official	49:77c8e4604045	270	#define osEvent_type osEvent
mbed_official	49:77c8e4604045	271	#define osEvent_ret_status ret
mbed_official	49:77c8e4604045	272	#define osEvent_ret_value ret
mbed_official	49:77c8e4604045	273	#define osEvent_ret_msg ret
mbed_official	49:77c8e4604045	274	#define osEvent_ret_mail ret
mbed_official	49:77c8e4604045	275
mbed_official	53:c35dab33c427	276	#define osCallback_type osCallback
mbed_official	53:c35dab33c427	277	#define osCallback_ret ret
mbed_official	53:c35dab33c427	278
mbed_official	53:c35dab33c427	279	#define RET_osEvent osEvent
mbed_official	53:c35dab33c427	280	#define RET_osCallback osCallback
mbed_official	49:77c8e4604045	281
mbed_official	49:77c8e4604045	282	#define SVC_Setup(f) \
mbed_official	53:c35dab33c427	283	__asm( \
mbed_official	49:77c8e4604045	284	"mov r12,%0\n" \
mbed_official	49:77c8e4604045	285	:: "r"(&f): "r12" \
mbed_official	49:77c8e4604045	286	);
mbed_official	49:77c8e4604045	287
mbed_official	49:77c8e4604045	288
mbed_official	49:77c8e4604045	289	#define SVC_0_1(f,t,...) \
mbed_official	49:77c8e4604045	290	t f (void); \
mbed_official	49:77c8e4604045	291	_Pragma("swi_number=0") __swi t _##f (void); \
mbed_official	49:77c8e4604045	292	static inline t __##f (void) { \
mbed_official	49:77c8e4604045	293	SVC_Setup(f); \
mbed_official	49:77c8e4604045	294	return _##f(); \
mbed_official	49:77c8e4604045	295	}
mbed_official	49:77c8e4604045	296
mbed_official	49:77c8e4604045	297	#define SVC_1_1(f,t,t1,...) \
mbed_official	49:77c8e4604045	298	t f (t1 a1); \
mbed_official	49:77c8e4604045	299	_Pragma("swi_number=0") __swi t _##f (t1 a1); \
mbed_official	49:77c8e4604045	300	static inline t __##f (t1 a1) { \
mbed_official	49:77c8e4604045	301	SVC_Setup(f); \
mbed_official	49:77c8e4604045	302	return _##f(a1); \
mbed_official	49:77c8e4604045	303	}
mbed_official	49:77c8e4604045	304
mbed_official	49:77c8e4604045	305	#define SVC_2_1(f,t,t1,t2,...) \
mbed_official	49:77c8e4604045	306	t f (t1 a1, t2 a2); \
mbed_official	49:77c8e4604045	307	_Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2); \
mbed_official	49:77c8e4604045	308	static inline t __##f (t1 a1, t2 a2) { \
mbed_official	49:77c8e4604045	309	SVC_Setup(f); \
mbed_official	49:77c8e4604045	310	return _##f(a1,a2); \
mbed_official	49:77c8e4604045	311	}
mbed_official	49:77c8e4604045	312
mbed_official	49:77c8e4604045	313	#define SVC_3_1(f,t,t1,t2,t3,...) \
mbed_official	49:77c8e4604045	314	t f (t1 a1, t2 a2, t3 a3); \
mbed_official	49:77c8e4604045	315	_Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2, t3 a3); \
mbed_official	49:77c8e4604045	316	static inline t __##f (t1 a1, t2 a2, t3 a3) { \
mbed_official	49:77c8e4604045	317	SVC_Setup(f); \
mbed_official	49:77c8e4604045	318	return _##f(a1,a2,a3); \
mbed_official	49:77c8e4604045	319	}
mbed_official	49:77c8e4604045	320
mbed_official	49:77c8e4604045	321	#define SVC_4_1(f,t,t1,t2,t3,t4,...) \
mbed_official	49:77c8e4604045	322	t f (t1 a1, t2 a2, t3 a3, t4 a4); \
mbed_official	49:77c8e4604045	323	_Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2, t3 a3, t4 a4); \
mbed_official	49:77c8e4604045	324	static inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) { \
mbed_official	49:77c8e4604045	325	SVC_Setup(f); \
mbed_official	49:77c8e4604045	326	return _##f(a1,a2,a3,a4); \
mbed_official	49:77c8e4604045	327	}
mbed_official	49:77c8e4604045	328
mbed_official	53:c35dab33c427	329	#define SVC_1_2 SVC_1_1
mbed_official	53:c35dab33c427	330	#define SVC_1_3 SVC_1_1
mbed_official	53:c35dab33c427	331	#define SVC_2_3 SVC_2_1
mbed_official	49:77c8e4604045	332
mbed_official	49:77c8e4604045	333	#endif
mbed_official	49:77c8e4604045	334
mbed_official	49:77c8e4604045	335
mbed_official	49:77c8e4604045	336	// Callback structure
mbed_official	49:77c8e4604045	337	typedef struct {
mbed_official	49:77c8e4604045	338	void *fp; // Function pointer
mbed_official	49:77c8e4604045	339	void *arg; // Function argument
mbed_official	49:77c8e4604045	340	} osCallback;
mbed_official	49:77c8e4604045	341
mbed_official	49:77c8e4604045	342
mbed_official	49:77c8e4604045	343	// OS Section definitions
mbed_official	49:77c8e4604045	344	#ifdef OS_SECTIONS_LINK_INFO
mbed_official	49:77c8e4604045	345	extern const uint32_t os_section_id$$Base;
mbed_official	49:77c8e4604045	346	extern const uint32_t os_section_id$$Limit;
mbed_official	49:77c8e4604045	347	#endif
mbed_official	49:77c8e4604045	348
mbed_official	49:77c8e4604045	349	// OS Timers external resources
mbed_official	49:77c8e4604045	350	extern osThreadDef_t os_thread_def_osTimerThread;
mbed_official	49:77c8e4604045	351	extern osThreadId osThreadId_osTimerThread;
mbed_official	49:77c8e4604045	352	extern osMessageQDef_t os_messageQ_def_osTimerMessageQ;
mbed_official	49:77c8e4604045	353	extern osMessageQId osMessageQId_osTimerMessageQ;
mbed_official	49:77c8e4604045	354
mbed_official	49:77c8e4604045	355
mbed_official	49:77c8e4604045	356	// ==== Helper Functions ====
mbed_official	49:77c8e4604045	357
mbed_official	49:77c8e4604045	358	/// Convert timeout in millisec to system ticks
mbed_official	49:77c8e4604045	359	static uint32_t rt_ms2tick (uint32_t millisec) {
mbed_official	49:77c8e4604045	360	uint32_t tick;
mbed_official	49:77c8e4604045	361
mbed_official	49:77c8e4604045	362	if (millisec == osWaitForever) return 0xFFFF; // Indefinite timeout
mbed_official	49:77c8e4604045	363	if (millisec > 4000000) return 0xFFFE; // Max ticks supported
mbed_official	49:77c8e4604045	364
mbed_official	49:77c8e4604045	365	tick = ((1000 * millisec) + os_clockrate - 1) / os_clockrate;
mbed_official	49:77c8e4604045	366	if (tick > 0xFFFE) return 0xFFFE;
mbed_official	49:77c8e4604045	367
mbed_official	49:77c8e4604045	368	return tick;
mbed_official	49:77c8e4604045	369	}
mbed_official	49:77c8e4604045	370
mbed_official	49:77c8e4604045	371	/// Convert Thread ID to TCB pointer
mbed_official	49:77c8e4604045	372	static P_TCB rt_tid2ptcb (osThreadId thread_id) {
mbed_official	49:77c8e4604045	373	P_TCB ptcb;
mbed_official	49:77c8e4604045	374
mbed_official	49:77c8e4604045	375	if (thread_id == NULL) return NULL;
mbed_official	49:77c8e4604045	376
mbed_official	49:77c8e4604045	377	if ((uint32_t)thread_id & 3) return NULL;
mbed_official	49:77c8e4604045	378
mbed_official	49:77c8e4604045	379	#ifdef OS_SECTIONS_LINK_INFO
mbed_official	49:77c8e4604045	380	if ((os_section_id$$Base != 0) && (os_section_id$$Limit != 0)) {
mbed_official	49:77c8e4604045	381	if (thread_id < (osThreadId)os_section_id$$Base) return NULL;
mbed_official	49:77c8e4604045	382	if (thread_id >= (osThreadId)os_section_id$$Limit) return NULL;
mbed_official	49:77c8e4604045	383	}
mbed_official	49:77c8e4604045	384	#endif
mbed_official	49:77c8e4604045	385
mbed_official	49:77c8e4604045	386	ptcb = thread_id;
mbed_official	49:77c8e4604045	387
mbed_official	49:77c8e4604045	388	if (ptcb->cb_type != TCB) return NULL;
mbed_official	49:77c8e4604045	389
mbed_official	49:77c8e4604045	390	return ptcb;
mbed_official	49:77c8e4604045	391	}
mbed_official	49:77c8e4604045	392
mbed_official	49:77c8e4604045	393	/// Convert ID pointer to Object pointer
mbed_official	49:77c8e4604045	394	static void rt_id2obj (void id) {
mbed_official	49:77c8e4604045	395
mbed_official	49:77c8e4604045	396	if ((uint32_t)id & 3) return NULL;
mbed_official	49:77c8e4604045	397
mbed_official	49:77c8e4604045	398	#ifdef OS_SECTIONS_LINK_INFO
mbed_official	49:77c8e4604045	399	if ((os_section_id$$Base != 0) && (os_section_id$$Limit != 0)) {
mbed_official	49:77c8e4604045	400	if (id < (void *)os_section_id$$Base) return NULL;
mbed_official	49:77c8e4604045	401	if (id >= (void *)os_section_id$$Limit) return NULL;
mbed_official	49:77c8e4604045	402	}
mbed_official	49:77c8e4604045	403	#endif
mbed_official	49:77c8e4604045	404
mbed_official	49:77c8e4604045	405	return id;
mbed_official	49:77c8e4604045	406	}
mbed_official	49:77c8e4604045	407
mbed_official	49:77c8e4604045	408
mbed_official	49:77c8e4604045	409	// ==== Kernel Control ====
mbed_official	49:77c8e4604045	410
mbed_official	49:77c8e4604045	411	uint8_t os_initialized; // Kernel Initialized flag
mbed_official	49:77c8e4604045	412	uint8_t os_running; // Kernel Running flag
mbed_official	49:77c8e4604045	413
mbed_official	49:77c8e4604045	414	// Kernel Control Service Calls declarations
mbed_official	49:77c8e4604045	415	SVC_0_1(svcKernelInitialize, osStatus, RET_osStatus)
mbed_official	49:77c8e4604045	416	SVC_0_1(svcKernelStart, osStatus, RET_osStatus)
mbed_official	49:77c8e4604045	417	SVC_0_1(svcKernelRunning, int32_t, RET_int32_t)
mbed_official	49:77c8e4604045	418
mbed_official	49:77c8e4604045	419	extern void sysThreadError (osStatus status);
mbed_official	49:77c8e4604045	420	osThreadId svcThreadCreate (osThreadDef_t thread_def, void argument);
mbed_official	49:77c8e4604045	421	osMessageQId svcMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id);
mbed_official	49:77c8e4604045	422
mbed_official	49:77c8e4604045	423	// Kernel Control Service Calls
mbed_official	49:77c8e4604045	424
mbed_official	49:77c8e4604045	425	/// Initialize the RTOS Kernel for creating objects
mbed_official	49:77c8e4604045	426	osStatus svcKernelInitialize (void) {
mbed_official	49:77c8e4604045	427	if (os_initialized) return osOK;
mbed_official	49:77c8e4604045	428
mbed_official	49:77c8e4604045	429	rt_sys_init(); // RTX System Initialization
mbed_official	49:77c8e4604045	430	os_tsk.run->prio = 255; // Highest priority
mbed_official	49:77c8e4604045	431
mbed_official	49:77c8e4604045	432	sysThreadError(osOK);
mbed_official	49:77c8e4604045	433
mbed_official	49:77c8e4604045	434	os_initialized = 1;
mbed_official	49:77c8e4604045	435
mbed_official	49:77c8e4604045	436	return osOK;
mbed_official	49:77c8e4604045	437	}
mbed_official	49:77c8e4604045	438
mbed_official	49:77c8e4604045	439	/// Start the RTOS Kernel
mbed_official	49:77c8e4604045	440	osStatus svcKernelStart (void) {
mbed_official	49:77c8e4604045	441
mbed_official	49:77c8e4604045	442	if (os_running) return osOK;
mbed_official	49:77c8e4604045	443
mbed_official	49:77c8e4604045	444	// Create OS Timers resources (Message Queue & Thread)
mbed_official	49:77c8e4604045	445	osMessageQId_osTimerMessageQ = svcMessageCreate (&os_messageQ_def_osTimerMessageQ, NULL);
mbed_official	49:77c8e4604045	446	osThreadId_osTimerThread = svcThreadCreate(&os_thread_def_osTimerThread, NULL);
mbed_official	49:77c8e4604045	447
mbed_official	49:77c8e4604045	448	rt_tsk_prio(0, 0); // Lowest priority
mbed_official	49:77c8e4604045	449	__set_PSP(os_tsk.run->tsk_stack + 8*4); // New context
mbed_official	49:77c8e4604045	450	os_tsk.run = NULL; // Force context switch
mbed_official	49:77c8e4604045	451
mbed_official	49:77c8e4604045	452	rt_sys_start();
mbed_official	49:77c8e4604045	453
mbed_official	49:77c8e4604045	454	os_running = 1;
mbed_official	49:77c8e4604045	455
mbed_official	49:77c8e4604045	456	return osOK;
mbed_official	49:77c8e4604045	457	}
mbed_official	49:77c8e4604045	458
mbed_official	49:77c8e4604045	459	/// Check if the RTOS kernel is already started
mbed_official	49:77c8e4604045	460	int32_t svcKernelRunning(void) {
mbed_official	49:77c8e4604045	461	return os_running;
mbed_official	49:77c8e4604045	462	}
mbed_official	49:77c8e4604045	463
mbed_official	49:77c8e4604045	464	// Kernel Control Public API
mbed_official	49:77c8e4604045	465
mbed_official	49:77c8e4604045	466	/// Initialize the RTOS Kernel for creating objects
mbed_official	49:77c8e4604045	467	osStatus osKernelInitialize (void) {
mbed_official	49:77c8e4604045	468	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	469	if ((__get_CONTROL() & 1) == 0) { // Privileged mode
mbed_official	49:77c8e4604045	470	return svcKernelInitialize();
mbed_official	49:77c8e4604045	471	} else {
mbed_official	49:77c8e4604045	472	return __svcKernelInitialize();
mbed_official	49:77c8e4604045	473	}
mbed_official	49:77c8e4604045	474	}
mbed_official	49:77c8e4604045	475
mbed_official	49:77c8e4604045	476	/// Start the RTOS Kernel
mbed_official	49:77c8e4604045	477	osStatus osKernelStart (void) {
mbed_official	49:77c8e4604045	478	uint32_t stack[8];
mbed_official	49:77c8e4604045	479
mbed_official	49:77c8e4604045	480	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	481	switch (__get_CONTROL() & 0x03) {
mbed_official	49:77c8e4604045	482	case 0x00: // Privileged Thread mode & MSP
mbed_official	49:77c8e4604045	483	__set_PSP((uint32_t)(stack + 8)); // Initial PSP
mbed_official	49:77c8e4604045	484	if (os_flags & 1) {
mbed_official	49:77c8e4604045	485	__set_CONTROL(0x02); // Set Privileged Thread mode & PSP
mbed_official	49:77c8e4604045	486	} else {
mbed_official	49:77c8e4604045	487	__set_CONTROL(0x03); // Set Unprivileged Thread mode & PSP
mbed_official	49:77c8e4604045	488	}
mbed_official	49:77c8e4604045	489	__DSB();
mbed_official	49:77c8e4604045	490	__ISB();
mbed_official	49:77c8e4604045	491	break;
mbed_official	49:77c8e4604045	492	case 0x01: // Unprivileged Thread mode & MSP
mbed_official	49:77c8e4604045	493	return osErrorOS;
mbed_official	49:77c8e4604045	494	case 0x02: // Privileged Thread mode & PSP
mbed_official	49:77c8e4604045	495	if ((os_flags & 1) == 0) { // Unprivileged Thread mode requested
mbed_official	49:77c8e4604045	496	__set_CONTROL(0x03); // Set Unprivileged Thread mode & PSP
mbed_official	49:77c8e4604045	497	__DSB();
mbed_official	49:77c8e4604045	498	__ISB();
mbed_official	49:77c8e4604045	499	}
mbed_official	49:77c8e4604045	500	break;
mbed_official	49:77c8e4604045	501	case 0x03: // Unprivileged Thread mode & PSP
mbed_official	49:77c8e4604045	502	if (os_flags & 1) return osErrorOS; // Privileged Thread mode requested
mbed_official	49:77c8e4604045	503	break;
mbed_official	49:77c8e4604045	504	}
mbed_official	49:77c8e4604045	505	return __svcKernelStart();
mbed_official	49:77c8e4604045	506	}
mbed_official	49:77c8e4604045	507
mbed_official	49:77c8e4604045	508	/// Check if the RTOS kernel is already started
mbed_official	49:77c8e4604045	509	int32_t osKernelRunning(void) {
mbed_official	49:77c8e4604045	510	if ((__get_IPSR() != 0) \|\| ((__get_CONTROL() & 1) == 0)) {
mbed_official	49:77c8e4604045	511	// in ISR or Privileged
mbed_official	49:77c8e4604045	512	return os_running;
mbed_official	49:77c8e4604045	513	} else {
mbed_official	49:77c8e4604045	514	return __svcKernelRunning();
mbed_official	49:77c8e4604045	515	}
mbed_official	49:77c8e4604045	516	}
mbed_official	49:77c8e4604045	517
mbed_official	49:77c8e4604045	518
mbed_official	49:77c8e4604045	519	// ==== Thread Management ====
mbed_official	49:77c8e4604045	520
mbed_official	49:77c8e4604045	521	__NO_RETURN void osThreadExit (void);
mbed_official	49:77c8e4604045	522
mbed_official	49:77c8e4604045	523	// Thread Service Calls declarations
mbed_official	49:77c8e4604045	524	SVC_2_1(svcThreadCreate, osThreadId, osThreadDef_t , void , RET_pointer)
mbed_official	49:77c8e4604045	525	SVC_0_1(svcThreadGetId, osThreadId, RET_pointer)
mbed_official	49:77c8e4604045	526	SVC_1_1(svcThreadTerminate, osStatus, osThreadId, RET_osStatus)
mbed_official	49:77c8e4604045	527	SVC_0_1(svcThreadYield, osStatus, RET_osStatus)
mbed_official	49:77c8e4604045	528	SVC_2_1(svcThreadSetPriority, osStatus, osThreadId, osPriority, RET_osStatus)
mbed_official	49:77c8e4604045	529	SVC_1_1(svcThreadGetPriority, osPriority, osThreadId, RET_osPriority)
mbed_official	49:77c8e4604045	530
mbed_official	49:77c8e4604045	531	// Thread Service Calls
mbed_official	49:77c8e4604045	532	extern OS_TID rt_get_TID (void);
mbed_official	49:77c8e4604045	533	extern void rt_init_context (P_TCB p_TCB, U8 priority, FUNCP task_body);
mbed_official	49:77c8e4604045	534
mbed_official	49:77c8e4604045	535	/// Create a thread and add it to Active Threads and set it to state READY
mbed_official	49:77c8e4604045	536	osThreadId svcThreadCreate (osThreadDef_t thread_def, void argument) {
mbed_official	49:77c8e4604045	537	P_TCB ptcb;
mbed_official	49:77c8e4604045	538
mbed_official	49:77c8e4604045	539	if ((thread_def == NULL) \|\|
mbed_official	49:77c8e4604045	540	(thread_def->pthread == NULL) \|\|
mbed_official	49:77c8e4604045	541	(thread_def->tpriority < osPriorityIdle) \|\|
mbed_official	49:77c8e4604045	542	(thread_def->tpriority > osPriorityRealtime) \|\|
mbed_official	49:77c8e4604045	543	(thread_def->stacksize == 0) \|\|
mbed_official	49:77c8e4604045	544	(thread_def->stack_pointer == NULL) ) {
mbed_official	49:77c8e4604045	545	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	546	return NULL;
mbed_official	49:77c8e4604045	547	}
mbed_official	49:77c8e4604045	548
mbed_official	49:77c8e4604045	549	U8 priority = thread_def->tpriority - osPriorityIdle + 1;
mbed_official	49:77c8e4604045	550	P_TCB task_context = &thread_def->tcb;
mbed_official	49:77c8e4604045	551
mbed_official	59:28712e303960	552	/* Utilize the user provided stack. */
mbed_official	49:77c8e4604045	553	task_context->stack = (U32*)thread_def->stack_pointer;
mbed_official	49:77c8e4604045	554	task_context->priv_stack = thread_def->stacksize;
mbed_official	49:77c8e4604045	555	/* Find a free entry in 'os_active_TCB' table. */
mbed_official	49:77c8e4604045	556	OS_TID tsk = rt_get_TID ();
mbed_official	49:77c8e4604045	557	os_active_TCB[tsk-1] = task_context;
mbed_official	49:77c8e4604045	558	task_context->task_id = tsk;
mbed_official	59:28712e303960	559	/* Pass parameter 'argv' to 'rt_init_context' */
mbed_official	59:28712e303960	560	task_context->msg = argument;
mbed_official	59:28712e303960	561	/* Initialize thread context structure, including the thread's stack. */
mbed_official	59:28712e303960	562	rt_init_context (task_context, priority, (FUNCP)thread_def->pthread);
mbed_official	59:28712e303960	563
mbed_official	59:28712e303960	564	/* Dispatch this task to the scheduler for execution. */
mbed_official	49:77c8e4604045	565	DBG_TASK_NOTIFY(task_context, __TRUE);
mbed_official	49:77c8e4604045	566	rt_dispatch (task_context);
mbed_official	49:77c8e4604045	567
mbed_official	49:77c8e4604045	568	ptcb = (P_TCB)os_active_TCB[tsk - 1]; // TCB pointer
mbed_official	49:77c8e4604045	569
mbed_official	49:77c8e4604045	570	((uint32_t )ptcb->tsk_stack + 13) = (uint32_t)osThreadExit;
mbed_official	49:77c8e4604045	571
mbed_official	49:77c8e4604045	572	return ptcb;
mbed_official	49:77c8e4604045	573	}
mbed_official	49:77c8e4604045	574
mbed_official	49:77c8e4604045	575	/// Return the thread ID of the current running thread
mbed_official	49:77c8e4604045	576	osThreadId svcThreadGetId (void) {
mbed_official	49:77c8e4604045	577	OS_TID tsk;
mbed_official	49:77c8e4604045	578
mbed_official	49:77c8e4604045	579	tsk = rt_tsk_self();
mbed_official	49:77c8e4604045	580	if (tsk == 0) return NULL;
mbed_official	49:77c8e4604045	581	return (P_TCB)os_active_TCB[tsk - 1];
mbed_official	49:77c8e4604045	582	}
mbed_official	49:77c8e4604045	583
mbed_official	49:77c8e4604045	584	/// Terminate execution of a thread and remove it from ActiveThreads
mbed_official	49:77c8e4604045	585	osStatus svcThreadTerminate (osThreadId thread_id) {
mbed_official	49:77c8e4604045	586	OS_RESULT res;
mbed_official	49:77c8e4604045	587	P_TCB ptcb;
mbed_official	49:77c8e4604045	588
mbed_official	49:77c8e4604045	589	ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
mbed_official	49:77c8e4604045	590	if (ptcb == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	591
mbed_official	49:77c8e4604045	592	res = rt_tsk_delete(ptcb->task_id); // Delete task
mbed_official	49:77c8e4604045	593
mbed_official	49:77c8e4604045	594	if (res == OS_R_NOK) return osErrorResource; // Delete task failed
mbed_official	49:77c8e4604045	595
mbed_official	49:77c8e4604045	596	return osOK;
mbed_official	49:77c8e4604045	597	}
mbed_official	49:77c8e4604045	598
mbed_official	49:77c8e4604045	599	/// Pass control to next thread that is in state READY
mbed_official	49:77c8e4604045	600	osStatus svcThreadYield (void) {
mbed_official	49:77c8e4604045	601	rt_tsk_pass(); // Pass control to next task
mbed_official	49:77c8e4604045	602	return osOK;
mbed_official	49:77c8e4604045	603	}
mbed_official	49:77c8e4604045	604
mbed_official	49:77c8e4604045	605	/// Change priority of an active thread
mbed_official	49:77c8e4604045	606	osStatus svcThreadSetPriority (osThreadId thread_id, osPriority priority) {
mbed_official	49:77c8e4604045	607	OS_RESULT res;
mbed_official	49:77c8e4604045	608	P_TCB ptcb;
mbed_official	49:77c8e4604045	609
mbed_official	49:77c8e4604045	610	ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
mbed_official	49:77c8e4604045	611	if (ptcb == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	612
mbed_official	49:77c8e4604045	613	if ((priority < osPriorityIdle) \|\| (priority > osPriorityRealtime)) {
mbed_official	49:77c8e4604045	614	return osErrorValue;
mbed_official	49:77c8e4604045	615	}
mbed_official	49:77c8e4604045	616
mbed_official	49:77c8e4604045	617	res = rt_tsk_prio( // Change task priority
mbed_official	49:77c8e4604045	618	ptcb->task_id, // Task ID
mbed_official	49:77c8e4604045	619	priority - osPriorityIdle + 1 // New task priority
mbed_official	49:77c8e4604045	620	);
mbed_official	49:77c8e4604045	621
mbed_official	49:77c8e4604045	622	if (res == OS_R_NOK) return osErrorResource; // Change task priority failed
mbed_official	49:77c8e4604045	623
mbed_official	49:77c8e4604045	624	return osOK;
mbed_official	49:77c8e4604045	625	}
mbed_official	49:77c8e4604045	626
mbed_official	49:77c8e4604045	627	/// Get current priority of an active thread
mbed_official	49:77c8e4604045	628	osPriority svcThreadGetPriority (osThreadId thread_id) {
mbed_official	49:77c8e4604045	629	P_TCB ptcb;
mbed_official	49:77c8e4604045	630
mbed_official	49:77c8e4604045	631	ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
mbed_official	49:77c8e4604045	632	if (ptcb == NULL) return osPriorityError;
mbed_official	49:77c8e4604045	633
mbed_official	49:77c8e4604045	634	return (osPriority)(ptcb->prio - 1 + osPriorityIdle);
mbed_official	49:77c8e4604045	635	}
mbed_official	49:77c8e4604045	636
mbed_official	49:77c8e4604045	637
mbed_official	49:77c8e4604045	638	// Thread Public API
mbed_official	49:77c8e4604045	639
mbed_official	49:77c8e4604045	640	/// Create a thread and add it to Active Threads and set it to state READY
mbed_official	49:77c8e4604045	641	osThreadId osThreadCreate (osThreadDef_t thread_def, void argument) {
mbed_official	49:77c8e4604045	642	if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
mbed_official	49:77c8e4604045	643	if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
mbed_official	49:77c8e4604045	644	// Privileged and not running
mbed_official	49:77c8e4604045	645	return svcThreadCreate(thread_def, argument);
mbed_official	49:77c8e4604045	646	} else {
mbed_official	49:77c8e4604045	647	return __svcThreadCreate(thread_def, argument);
mbed_official	49:77c8e4604045	648	}
mbed_official	49:77c8e4604045	649	}
mbed_official	49:77c8e4604045	650
mbed_official	49:77c8e4604045	651	/// Return the thread ID of the current running thread
mbed_official	49:77c8e4604045	652	osThreadId osThreadGetId (void) {
mbed_official	49:77c8e4604045	653	if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
mbed_official	49:77c8e4604045	654	return __svcThreadGetId();
mbed_official	49:77c8e4604045	655	}
mbed_official	49:77c8e4604045	656
mbed_official	49:77c8e4604045	657	/// Terminate execution of a thread and remove it from ActiveThreads
mbed_official	49:77c8e4604045	658	osStatus osThreadTerminate (osThreadId thread_id) {
mbed_official	49:77c8e4604045	659	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	660	return __svcThreadTerminate(thread_id);
mbed_official	49:77c8e4604045	661	}
mbed_official	49:77c8e4604045	662
mbed_official	49:77c8e4604045	663	/// Pass control to next thread that is in state READY
mbed_official	49:77c8e4604045	664	osStatus osThreadYield (void) {
mbed_official	49:77c8e4604045	665	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	666	return __svcThreadYield();
mbed_official	49:77c8e4604045	667	}
mbed_official	49:77c8e4604045	668
mbed_official	49:77c8e4604045	669	/// Change priority of an active thread
mbed_official	49:77c8e4604045	670	osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority) {
mbed_official	49:77c8e4604045	671	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	672	return __svcThreadSetPriority(thread_id, priority);
mbed_official	49:77c8e4604045	673	}
mbed_official	49:77c8e4604045	674
mbed_official	49:77c8e4604045	675	/// Get current priority of an active thread
mbed_official	49:77c8e4604045	676	osPriority osThreadGetPriority (osThreadId thread_id) {
mbed_official	49:77c8e4604045	677	if (__get_IPSR() != 0) return osPriorityError;// Not allowed in ISR
mbed_official	49:77c8e4604045	678	return __svcThreadGetPriority(thread_id);
mbed_official	49:77c8e4604045	679	}
mbed_official	49:77c8e4604045	680
mbed_official	49:77c8e4604045	681	/// INTERNAL - Not Public
mbed_official	49:77c8e4604045	682	/// Auto Terminate Thread on exit (used implicitly when thread exists)
mbed_official	49:77c8e4604045	683	__NO_RETURN void osThreadExit (void) {
mbed_official	49:77c8e4604045	684	__svcThreadTerminate(__svcThreadGetId());
mbed_official	49:77c8e4604045	685	for (;;); // Should never come here
mbed_official	49:77c8e4604045	686	}
mbed_official	49:77c8e4604045	687
mbed_official	49:77c8e4604045	688
mbed_official	49:77c8e4604045	689	// ==== Generic Wait Functions ====
mbed_official	49:77c8e4604045	690
mbed_official	49:77c8e4604045	691	// Generic Wait Service Calls declarations
mbed_official	49:77c8e4604045	692	SVC_1_1(svcDelay, osStatus, uint32_t, RET_osStatus)
mbed_official	49:77c8e4604045	693	#if osFeature_Wait != 0
mbed_official	49:77c8e4604045	694	SVC_1_3(svcWait, os_InRegs osEvent, uint32_t, RET_osEvent)
mbed_official	49:77c8e4604045	695	#endif
mbed_official	49:77c8e4604045	696
mbed_official	49:77c8e4604045	697	// Generic Wait Service Calls
mbed_official	49:77c8e4604045	698
mbed_official	49:77c8e4604045	699	/// Wait for Timeout (Time Delay)
mbed_official	49:77c8e4604045	700	osStatus svcDelay (uint32_t millisec) {
mbed_official	49:77c8e4604045	701	if (millisec == 0) return osOK;
mbed_official	49:77c8e4604045	702	rt_dly_wait(rt_ms2tick(millisec));
mbed_official	49:77c8e4604045	703	return osEventTimeout;
mbed_official	49:77c8e4604045	704	}
mbed_official	49:77c8e4604045	705
mbed_official	49:77c8e4604045	706	/// Wait for Signal, Message, Mail, or Timeout
mbed_official	49:77c8e4604045	707	#if osFeature_Wait != 0
mbed_official	49:77c8e4604045	708	os_InRegs osEvent_type svcWait (uint32_t millisec) {
mbed_official	49:77c8e4604045	709	osEvent ret;
mbed_official	49:77c8e4604045	710
mbed_official	49:77c8e4604045	711	if (millisec == 0) {
mbed_official	49:77c8e4604045	712	ret.status = osOK;
mbed_official	49:77c8e4604045	713	return osEvent_ret_status;
mbed_official	49:77c8e4604045	714	}
mbed_official	49:77c8e4604045	715
mbed_official	49:77c8e4604045	716	/* To Do: osEventSignal, osEventMessage, osEventMail */
mbed_official	49:77c8e4604045	717	rt_dly_wait(rt_ms2tick(millisec));
mbed_official	49:77c8e4604045	718	ret.status = osEventTimeout;
mbed_official	49:77c8e4604045	719
mbed_official	49:77c8e4604045	720	return osEvent_ret_status;
mbed_official	49:77c8e4604045	721	}
mbed_official	49:77c8e4604045	722	#endif
mbed_official	49:77c8e4604045	723
mbed_official	49:77c8e4604045	724
mbed_official	49:77c8e4604045	725	// Generic Wait API
mbed_official	49:77c8e4604045	726
mbed_official	49:77c8e4604045	727	/// Wait for Timeout (Time Delay)
mbed_official	49:77c8e4604045	728	osStatus osDelay (uint32_t millisec) {
mbed_official	49:77c8e4604045	729	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	730	return __svcDelay(millisec);
mbed_official	49:77c8e4604045	731	}
mbed_official	49:77c8e4604045	732
mbed_official	49:77c8e4604045	733	/// Wait for Signal, Message, Mail, or Timeout
mbed_official	49:77c8e4604045	734	os_InRegs osEvent osWait (uint32_t millisec) {
mbed_official	49:77c8e4604045	735	osEvent ret;
mbed_official	49:77c8e4604045	736
mbed_official	49:77c8e4604045	737	#if osFeature_Wait == 0
mbed_official	49:77c8e4604045	738	ret.status = osErrorOS;
mbed_official	49:77c8e4604045	739	return ret;
mbed_official	49:77c8e4604045	740	#else
mbed_official	49:77c8e4604045	741	if (__get_IPSR() != 0) { // Not allowed in ISR
mbed_official	49:77c8e4604045	742	ret.status = osErrorISR;
mbed_official	49:77c8e4604045	743	return ret;
mbed_official	49:77c8e4604045	744	}
mbed_official	49:77c8e4604045	745	return __svcWait(millisec);
mbed_official	49:77c8e4604045	746	#endif
mbed_official	49:77c8e4604045	747	}
mbed_official	49:77c8e4604045	748
mbed_official	49:77c8e4604045	749
mbed_official	49:77c8e4604045	750	// ==== Timer Management ====
mbed_official	49:77c8e4604045	751
mbed_official	49:77c8e4604045	752	// Timer definitions
mbed_official	49:77c8e4604045	753	#define osTimerInvalid 0
mbed_official	49:77c8e4604045	754	#define osTimerStopped 1
mbed_official	49:77c8e4604045	755	#define osTimerRunning 2
mbed_official	49:77c8e4604045	756
mbed_official	49:77c8e4604045	757	// Timer structures
mbed_official	49:77c8e4604045	758
mbed_official	49:77c8e4604045	759	typedef struct os_timer_cb_ { // Timer Control Block
mbed_official	49:77c8e4604045	760	struct os_timer_cb_ *next; // Pointer to next active Timer
mbed_official	49:77c8e4604045	761	uint8_t state; // Timer State
mbed_official	49:77c8e4604045	762	uint8_t type; // Timer Type (Periodic/One-shot)
mbed_official	49:77c8e4604045	763	uint16_t reserved; // Reserved
mbed_official	49:77c8e4604045	764	uint16_t tcnt; // Timer Delay Count
mbed_official	49:77c8e4604045	765	uint16_t icnt; // Timer Initial Count
mbed_official	49:77c8e4604045	766	void *arg; // Timer Function Argument
mbed_official	49:77c8e4604045	767	osTimerDef_t *timer; // Pointer to Timer definition
mbed_official	49:77c8e4604045	768	} os_timer_cb;
mbed_official	49:77c8e4604045	769
mbed_official	49:77c8e4604045	770	// Timer variables
mbed_official	49:77c8e4604045	771	os_timer_cb *os_timer_head; // Pointer to first active Timer
mbed_official	49:77c8e4604045	772
mbed_official	49:77c8e4604045	773
mbed_official	49:77c8e4604045	774	// Timer Helper Functions
mbed_official	49:77c8e4604045	775
mbed_official	49:77c8e4604045	776	// Insert Timer into the list sorted by time
mbed_official	49:77c8e4604045	777	static void rt_timer_insert (os_timer_cb *pt, uint32_t tcnt) {
mbed_official	49:77c8e4604045	778	os_timer_cb p, prev;
mbed_official	49:77c8e4604045	779
mbed_official	49:77c8e4604045	780	prev = NULL;
mbed_official	49:77c8e4604045	781	p = os_timer_head;
mbed_official	49:77c8e4604045	782	while (p != NULL) {
mbed_official	49:77c8e4604045	783	if (tcnt < p->tcnt) break;
mbed_official	49:77c8e4604045	784	tcnt -= p->tcnt;
mbed_official	49:77c8e4604045	785	prev = p;
mbed_official	49:77c8e4604045	786	p = p->next;
mbed_official	49:77c8e4604045	787	}
mbed_official	49:77c8e4604045	788	pt->next = p;
mbed_official	49:77c8e4604045	789	pt->tcnt = (uint16_t)tcnt;
mbed_official	49:77c8e4604045	790	if (p != NULL) {
mbed_official	49:77c8e4604045	791	p->tcnt -= pt->tcnt;
mbed_official	49:77c8e4604045	792	}
mbed_official	49:77c8e4604045	793	if (prev != NULL) {
mbed_official	49:77c8e4604045	794	prev->next = pt;
mbed_official	49:77c8e4604045	795	} else {
mbed_official	49:77c8e4604045	796	os_timer_head = pt;
mbed_official	49:77c8e4604045	797	}
mbed_official	49:77c8e4604045	798	}
mbed_official	49:77c8e4604045	799
mbed_official	49:77c8e4604045	800	// Remove Timer from the list
mbed_official	49:77c8e4604045	801	static int rt_timer_remove (os_timer_cb *pt) {
mbed_official	49:77c8e4604045	802	os_timer_cb p, prev;
mbed_official	49:77c8e4604045	803
mbed_official	49:77c8e4604045	804	prev = NULL;
mbed_official	49:77c8e4604045	805	p = os_timer_head;
mbed_official	49:77c8e4604045	806	while (p != NULL) {
mbed_official	49:77c8e4604045	807	if (p == pt) break;
mbed_official	49:77c8e4604045	808	prev = p;
mbed_official	49:77c8e4604045	809	p = p->next;
mbed_official	49:77c8e4604045	810	}
mbed_official	49:77c8e4604045	811	if (p == NULL) return -1;
mbed_official	49:77c8e4604045	812	if (prev != NULL) {
mbed_official	49:77c8e4604045	813	prev->next = pt->next;
mbed_official	49:77c8e4604045	814	} else {
mbed_official	49:77c8e4604045	815	os_timer_head = pt->next;
mbed_official	49:77c8e4604045	816	}
mbed_official	49:77c8e4604045	817	if (pt->next != NULL) {
mbed_official	49:77c8e4604045	818	pt->next->tcnt += pt->tcnt;
mbed_official	49:77c8e4604045	819	}
mbed_official	49:77c8e4604045	820
mbed_official	49:77c8e4604045	821	return 0;
mbed_official	49:77c8e4604045	822	}
mbed_official	49:77c8e4604045	823
mbed_official	49:77c8e4604045	824
mbed_official	49:77c8e4604045	825	// Timer Service Calls declarations
mbed_official	49:77c8e4604045	826	SVC_3_1(svcTimerCreate, osTimerId, osTimerDef_t , os_timer_type, void , RET_pointer)
mbed_official	49:77c8e4604045	827	SVC_2_1(svcTimerStart, osStatus, osTimerId, uint32_t, RET_osStatus)
mbed_official	49:77c8e4604045	828	SVC_1_1(svcTimerStop, osStatus, osTimerId, RET_osStatus)
mbed_official	49:77c8e4604045	829	SVC_1_1(svcTimerDelete, osStatus, osTimerId, RET_osStatus)
mbed_official	49:77c8e4604045	830	SVC_1_2(svcTimerCall, os_InRegs osCallback, osTimerId, RET_osCallback)
mbed_official	49:77c8e4604045	831
mbed_official	49:77c8e4604045	832	// Timer Management Service Calls
mbed_official	49:77c8e4604045	833
mbed_official	49:77c8e4604045	834	/// Create timer
mbed_official	49:77c8e4604045	835	osTimerId svcTimerCreate (osTimerDef_t timer_def, os_timer_type type, void argument) {
mbed_official	49:77c8e4604045	836	os_timer_cb *pt;
mbed_official	49:77c8e4604045	837
mbed_official	49:77c8e4604045	838	if ((timer_def == NULL) \|\| (timer_def->ptimer == NULL)) {
mbed_official	49:77c8e4604045	839	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	840	return NULL;
mbed_official	49:77c8e4604045	841	}
mbed_official	49:77c8e4604045	842
mbed_official	49:77c8e4604045	843	pt = timer_def->timer;
mbed_official	49:77c8e4604045	844	if (pt == NULL) {
mbed_official	49:77c8e4604045	845	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	846	return NULL;
mbed_official	49:77c8e4604045	847	}
mbed_official	49:77c8e4604045	848
mbed_official	49:77c8e4604045	849	if ((type != osTimerOnce) && (type != osTimerPeriodic)) {
mbed_official	49:77c8e4604045	850	sysThreadError(osErrorValue);
mbed_official	49:77c8e4604045	851	return NULL;
mbed_official	49:77c8e4604045	852	}
mbed_official	49:77c8e4604045	853
mbed_official	49:77c8e4604045	854	if (osThreadId_osTimerThread == NULL) {
mbed_official	49:77c8e4604045	855	sysThreadError(osErrorResource);
mbed_official	49:77c8e4604045	856	return NULL;
mbed_official	49:77c8e4604045	857	}
mbed_official	49:77c8e4604045	858
mbed_official	49:77c8e4604045	859	if (pt->state != osTimerInvalid){
mbed_official	49:77c8e4604045	860	sysThreadError(osErrorResource);
mbed_official	49:77c8e4604045	861	return NULL;
mbed_official	49:77c8e4604045	862	}
mbed_official	49:77c8e4604045	863
mbed_official	49:77c8e4604045	864	pt->state = osTimerStopped;
mbed_official	49:77c8e4604045	865	pt->type = (uint8_t)type;
mbed_official	49:77c8e4604045	866	pt->arg = argument;
mbed_official	49:77c8e4604045	867	pt->timer = timer_def;
mbed_official	49:77c8e4604045	868
mbed_official	49:77c8e4604045	869	return (osTimerId)pt;
mbed_official	49:77c8e4604045	870	}
mbed_official	49:77c8e4604045	871
mbed_official	49:77c8e4604045	872	/// Start or restart timer
mbed_official	49:77c8e4604045	873	osStatus svcTimerStart (osTimerId timer_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	874	os_timer_cb *pt;
mbed_official	49:77c8e4604045	875	uint32_t tcnt;
mbed_official	49:77c8e4604045	876
mbed_official	49:77c8e4604045	877	pt = rt_id2obj(timer_id);
mbed_official	49:77c8e4604045	878	if (pt == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	879
mbed_official	49:77c8e4604045	880	tcnt = rt_ms2tick(millisec);
mbed_official	49:77c8e4604045	881	if (tcnt == 0) return osErrorValue;
mbed_official	49:77c8e4604045	882
mbed_official	49:77c8e4604045	883	switch (pt->state) {
mbed_official	49:77c8e4604045	884	case osTimerRunning:
mbed_official	49:77c8e4604045	885	if (rt_timer_remove(pt) != 0) {
mbed_official	49:77c8e4604045	886	return osErrorResource;
mbed_official	49:77c8e4604045	887	}
mbed_official	49:77c8e4604045	888	break;
mbed_official	49:77c8e4604045	889	case osTimerStopped:
mbed_official	49:77c8e4604045	890	pt->state = osTimerRunning;
mbed_official	49:77c8e4604045	891	pt->icnt = (uint16_t)tcnt;
mbed_official	49:77c8e4604045	892	break;
mbed_official	49:77c8e4604045	893	default:
mbed_official	49:77c8e4604045	894	return osErrorResource;
mbed_official	49:77c8e4604045	895	}
mbed_official	49:77c8e4604045	896
mbed_official	49:77c8e4604045	897	rt_timer_insert(pt, tcnt);
mbed_official	49:77c8e4604045	898
mbed_official	49:77c8e4604045	899	return osOK;
mbed_official	49:77c8e4604045	900	}
mbed_official	49:77c8e4604045	901
mbed_official	49:77c8e4604045	902	/// Stop timer
mbed_official	49:77c8e4604045	903	osStatus svcTimerStop (osTimerId timer_id) {
mbed_official	49:77c8e4604045	904	os_timer_cb *pt;
mbed_official	49:77c8e4604045	905
mbed_official	49:77c8e4604045	906	pt = rt_id2obj(timer_id);
mbed_official	49:77c8e4604045	907	if (pt == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	908
mbed_official	49:77c8e4604045	909	if (pt->state != osTimerRunning) return osErrorResource;
mbed_official	49:77c8e4604045	910
mbed_official	49:77c8e4604045	911	pt->state = osTimerStopped;
mbed_official	49:77c8e4604045	912
mbed_official	49:77c8e4604045	913	if (rt_timer_remove(pt) != 0) {
mbed_official	49:77c8e4604045	914	return osErrorResource;
mbed_official	49:77c8e4604045	915	}
mbed_official	49:77c8e4604045	916
mbed_official	49:77c8e4604045	917	return osOK;
mbed_official	49:77c8e4604045	918	}
mbed_official	49:77c8e4604045	919
mbed_official	49:77c8e4604045	920	/// Delete timer
mbed_official	49:77c8e4604045	921	osStatus svcTimerDelete (osTimerId timer_id) {
mbed_official	49:77c8e4604045	922	os_timer_cb *pt;
mbed_official	49:77c8e4604045	923
mbed_official	49:77c8e4604045	924	pt = rt_id2obj(timer_id);
mbed_official	49:77c8e4604045	925	if (pt == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	926
mbed_official	49:77c8e4604045	927	switch (pt->state) {
mbed_official	49:77c8e4604045	928	case osTimerRunning:
mbed_official	49:77c8e4604045	929	rt_timer_remove(pt);
mbed_official	49:77c8e4604045	930	break;
mbed_official	49:77c8e4604045	931	case osTimerStopped:
mbed_official	49:77c8e4604045	932	break;
mbed_official	49:77c8e4604045	933	default:
mbed_official	49:77c8e4604045	934	return osErrorResource;
mbed_official	49:77c8e4604045	935	}
mbed_official	49:77c8e4604045	936
mbed_official	49:77c8e4604045	937	pt->state = osTimerInvalid;
mbed_official	49:77c8e4604045	938
mbed_official	49:77c8e4604045	939	return osOK;
mbed_official	49:77c8e4604045	940	}
mbed_official	49:77c8e4604045	941
mbed_official	49:77c8e4604045	942	/// Get timer callback parameters
mbed_official	49:77c8e4604045	943	os_InRegs osCallback_type svcTimerCall (osTimerId timer_id) {
mbed_official	49:77c8e4604045	944	os_timer_cb *pt;
mbed_official	49:77c8e4604045	945	osCallback ret;
mbed_official	49:77c8e4604045	946
mbed_official	49:77c8e4604045	947	pt = rt_id2obj(timer_id);
mbed_official	49:77c8e4604045	948	if (pt == NULL) {
mbed_official	49:77c8e4604045	949	ret.fp = NULL;
mbed_official	49:77c8e4604045	950	ret.arg = NULL;
mbed_official	49:77c8e4604045	951	return osCallback_ret;
mbed_official	49:77c8e4604045	952	}
mbed_official	49:77c8e4604045	953
mbed_official	49:77c8e4604045	954	ret.fp = (void *)pt->timer->ptimer;
mbed_official	49:77c8e4604045	955	ret.arg = pt->arg;
mbed_official	49:77c8e4604045	956
mbed_official	49:77c8e4604045	957	return osCallback_ret;
mbed_official	49:77c8e4604045	958	}
mbed_official	49:77c8e4604045	959
mbed_official	49:77c8e4604045	960	static __INLINE osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
mbed_official	49:77c8e4604045	961
mbed_official	49:77c8e4604045	962	/// Timer Tick (called each SysTick)
mbed_official	49:77c8e4604045	963	void sysTimerTick (void) {
mbed_official	49:77c8e4604045	964	os_timer_cb pt, p;
mbed_official	49:77c8e4604045	965
mbed_official	49:77c8e4604045	966	p = os_timer_head;
mbed_official	49:77c8e4604045	967	if (p == NULL) return;
mbed_official	49:77c8e4604045	968
mbed_official	49:77c8e4604045	969	p->tcnt--;
mbed_official	49:77c8e4604045	970	while ((p != NULL) && (p->tcnt == 0)) {
mbed_official	49:77c8e4604045	971	pt = p;
mbed_official	49:77c8e4604045	972	p = p->next;
mbed_official	49:77c8e4604045	973	os_timer_head = p;
mbed_official	49:77c8e4604045	974	isrMessagePut(osMessageQId_osTimerMessageQ, (uint32_t)pt, 0);
mbed_official	49:77c8e4604045	975	if (pt->type == osTimerPeriodic) {
mbed_official	49:77c8e4604045	976	rt_timer_insert(pt, pt->icnt);
mbed_official	49:77c8e4604045	977	} else {
mbed_official	49:77c8e4604045	978	pt->state = osTimerStopped;
mbed_official	49:77c8e4604045	979	}
mbed_official	49:77c8e4604045	980	}
mbed_official	49:77c8e4604045	981	}
mbed_official	49:77c8e4604045	982
mbed_official	49:77c8e4604045	983
mbed_official	49:77c8e4604045	984	// Timer Management Public API
mbed_official	49:77c8e4604045	985
mbed_official	49:77c8e4604045	986	/// Create timer
mbed_official	49:77c8e4604045	987	osTimerId osTimerCreate (osTimerDef_t timer_def, os_timer_type type, void argument) {
mbed_official	49:77c8e4604045	988	if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
mbed_official	49:77c8e4604045	989	if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
mbed_official	49:77c8e4604045	990	// Privileged and not running
mbed_official	49:77c8e4604045	991	return svcTimerCreate(timer_def, type, argument);
mbed_official	49:77c8e4604045	992	} else {
mbed_official	49:77c8e4604045	993	return __svcTimerCreate(timer_def, type, argument);
mbed_official	49:77c8e4604045	994	}
mbed_official	49:77c8e4604045	995	}
mbed_official	49:77c8e4604045	996
mbed_official	49:77c8e4604045	997	/// Start or restart timer
mbed_official	49:77c8e4604045	998	osStatus osTimerStart (osTimerId timer_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	999	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	1000	return __svcTimerStart(timer_id, millisec);
mbed_official	49:77c8e4604045	1001	}
mbed_official	49:77c8e4604045	1002
mbed_official	49:77c8e4604045	1003	/// Stop timer
mbed_official	49:77c8e4604045	1004	osStatus osTimerStop (osTimerId timer_id) {
mbed_official	49:77c8e4604045	1005	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	1006	return __svcTimerStop(timer_id);
mbed_official	49:77c8e4604045	1007	}
mbed_official	49:77c8e4604045	1008
mbed_official	49:77c8e4604045	1009	/// Delete timer
mbed_official	49:77c8e4604045	1010	osStatus osTimerDelete (osTimerId timer_id) {
mbed_official	49:77c8e4604045	1011	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	1012	return __svcTimerDelete(timer_id);
mbed_official	49:77c8e4604045	1013	}
mbed_official	49:77c8e4604045	1014
mbed_official	49:77c8e4604045	1015	/// INTERNAL - Not Public
mbed_official	49:77c8e4604045	1016	/// Get timer callback parameters (used by OS Timer Thread)
mbed_official	49:77c8e4604045	1017	os_InRegs osCallback osTimerCall (osTimerId timer_id) {
mbed_official	49:77c8e4604045	1018	return __svcTimerCall(timer_id);
mbed_official	49:77c8e4604045	1019	}
mbed_official	49:77c8e4604045	1020
mbed_official	49:77c8e4604045	1021
mbed_official	49:77c8e4604045	1022	// Timer Thread
mbed_official	49:77c8e4604045	1023	__NO_RETURN void osTimerThread (void const *argument) {
mbed_official	49:77c8e4604045	1024	osCallback cb;
mbed_official	49:77c8e4604045	1025	osEvent evt;
mbed_official	49:77c8e4604045	1026
mbed_official	49:77c8e4604045	1027	for (;;) {
mbed_official	49:77c8e4604045	1028	evt = osMessageGet(osMessageQId_osTimerMessageQ, osWaitForever);
mbed_official	49:77c8e4604045	1029	if (evt.status == osEventMessage) {
mbed_official	49:77c8e4604045	1030	cb = osTimerCall(evt.value.p);
mbed_official	49:77c8e4604045	1031	if (cb.fp != NULL) {
mbed_official	49:77c8e4604045	1032	(*(os_ptimer)cb.fp)(cb.arg);
mbed_official	49:77c8e4604045	1033	}
mbed_official	49:77c8e4604045	1034	}
mbed_official	49:77c8e4604045	1035	}
mbed_official	49:77c8e4604045	1036	}
mbed_official	49:77c8e4604045	1037
mbed_official	49:77c8e4604045	1038
mbed_official	49:77c8e4604045	1039	// ==== Signal Management ====
mbed_official	49:77c8e4604045	1040
mbed_official	49:77c8e4604045	1041	// Signal Service Calls declarations
mbed_official	49:77c8e4604045	1042	SVC_2_1(svcSignalSet, int32_t, osThreadId, int32_t, RET_int32_t)
mbed_official	49:77c8e4604045	1043	SVC_2_1(svcSignalClear, int32_t, osThreadId, int32_t, RET_int32_t)
mbed_official	49:77c8e4604045	1044	SVC_1_1(svcSignalGet, int32_t, osThreadId, RET_int32_t)
mbed_official	49:77c8e4604045	1045	SVC_2_3(svcSignalWait, os_InRegs osEvent, int32_t, uint32_t, RET_osEvent)
mbed_official	49:77c8e4604045	1046
mbed_official	49:77c8e4604045	1047	// Signal Service Calls
mbed_official	49:77c8e4604045	1048
mbed_official	49:77c8e4604045	1049	/// Set the specified Signal Flags of an active thread
mbed_official	49:77c8e4604045	1050	int32_t svcSignalSet (osThreadId thread_id, int32_t signals) {
mbed_official	49:77c8e4604045	1051	P_TCB ptcb;
mbed_official	49:77c8e4604045	1052	int32_t sig;
mbed_official	49:77c8e4604045	1053
mbed_official	49:77c8e4604045	1054	ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
mbed_official	49:77c8e4604045	1055	if (ptcb == NULL) return 0x80000000;
mbed_official	49:77c8e4604045	1056
mbed_official	49:77c8e4604045	1057	if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
mbed_official	49:77c8e4604045	1058
mbed_official	49:77c8e4604045	1059	sig = ptcb->events; // Previous signal flags
mbed_official	49:77c8e4604045	1060
mbed_official	49:77c8e4604045	1061	rt_evt_set(signals, ptcb->task_id); // Set event flags
mbed_official	49:77c8e4604045	1062
mbed_official	49:77c8e4604045	1063	return sig;
mbed_official	49:77c8e4604045	1064	}
mbed_official	49:77c8e4604045	1065
mbed_official	49:77c8e4604045	1066	/// Clear the specified Signal Flags of an active thread
mbed_official	49:77c8e4604045	1067	int32_t svcSignalClear (osThreadId thread_id, int32_t signals) {
mbed_official	49:77c8e4604045	1068	P_TCB ptcb;
mbed_official	49:77c8e4604045	1069	int32_t sig;
mbed_official	49:77c8e4604045	1070
mbed_official	49:77c8e4604045	1071	ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
mbed_official	49:77c8e4604045	1072	if (ptcb == NULL) return 0x80000000;
mbed_official	49:77c8e4604045	1073
mbed_official	49:77c8e4604045	1074	if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
mbed_official	49:77c8e4604045	1075
mbed_official	49:77c8e4604045	1076	sig = ptcb->events; // Previous signal flags
mbed_official	49:77c8e4604045	1077
mbed_official	49:77c8e4604045	1078	rt_evt_clr(signals, ptcb->task_id); // Clear event flags
mbed_official	49:77c8e4604045	1079
mbed_official	49:77c8e4604045	1080	return sig;
mbed_official	49:77c8e4604045	1081	}
mbed_official	49:77c8e4604045	1082
mbed_official	49:77c8e4604045	1083	/// Get Signal Flags status of an active thread
mbed_official	49:77c8e4604045	1084	int32_t svcSignalGet (osThreadId thread_id) {
mbed_official	49:77c8e4604045	1085	P_TCB ptcb;
mbed_official	49:77c8e4604045	1086
mbed_official	49:77c8e4604045	1087	ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
mbed_official	49:77c8e4604045	1088	if (ptcb == NULL) return 0x80000000;
mbed_official	49:77c8e4604045	1089
mbed_official	49:77c8e4604045	1090	return ptcb->events; // Return event flags
mbed_official	49:77c8e4604045	1091	}
mbed_official	49:77c8e4604045	1092
mbed_official	49:77c8e4604045	1093	/// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
mbed_official	49:77c8e4604045	1094	os_InRegs osEvent_type svcSignalWait (int32_t signals, uint32_t millisec) {
mbed_official	49:77c8e4604045	1095	OS_RESULT res;
mbed_official	49:77c8e4604045	1096	osEvent ret;
mbed_official	49:77c8e4604045	1097
mbed_official	49:77c8e4604045	1098	if (signals & (0xFFFFFFFF << osFeature_Signals)) {
mbed_official	49:77c8e4604045	1099	ret.status = osErrorValue;
mbed_official	49:77c8e4604045	1100	return osEvent_ret_status;
mbed_official	49:77c8e4604045	1101	}
mbed_official	49:77c8e4604045	1102
mbed_official	49:77c8e4604045	1103	if (signals != 0) { // Wait for all specified signals
mbed_official	49:77c8e4604045	1104	res = rt_evt_wait(signals, rt_ms2tick(millisec), __TRUE);
mbed_official	49:77c8e4604045	1105	} else { // Wait for any signal
mbed_official	49:77c8e4604045	1106	res = rt_evt_wait(0xFFFF, rt_ms2tick(millisec), __FALSE);
mbed_official	49:77c8e4604045	1107	}
mbed_official	49:77c8e4604045	1108
mbed_official	49:77c8e4604045	1109	if (res == OS_R_EVT) {
mbed_official	49:77c8e4604045	1110	ret.status = osEventSignal;
mbed_official	49:77c8e4604045	1111	ret.value.signals = signals ? signals : os_tsk.run->waits;
mbed_official	49:77c8e4604045	1112	} else {
mbed_official	49:77c8e4604045	1113	ret.status = millisec ? osEventTimeout : osOK;
mbed_official	49:77c8e4604045	1114	ret.value.signals = 0;
mbed_official	49:77c8e4604045	1115	}
mbed_official	49:77c8e4604045	1116
mbed_official	49:77c8e4604045	1117	return osEvent_ret_value;
mbed_official	49:77c8e4604045	1118	}
mbed_official	49:77c8e4604045	1119
mbed_official	49:77c8e4604045	1120
mbed_official	49:77c8e4604045	1121	// Signal ISR Calls
mbed_official	49:77c8e4604045	1122
mbed_official	49:77c8e4604045	1123	/// Set the specified Signal Flags of an active thread
mbed_official	49:77c8e4604045	1124	static __INLINE int32_t isrSignalSet (osThreadId thread_id, int32_t signals) {
mbed_official	49:77c8e4604045	1125	P_TCB ptcb;
mbed_official	49:77c8e4604045	1126	int32_t sig;
mbed_official	49:77c8e4604045	1127
mbed_official	49:77c8e4604045	1128	ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
mbed_official	49:77c8e4604045	1129	if (ptcb == NULL) return 0x80000000;
mbed_official	49:77c8e4604045	1130
mbed_official	49:77c8e4604045	1131	if (signals & (0xFFFFFFFF << osFeature_Signals)) return 0x80000000;
mbed_official	49:77c8e4604045	1132
mbed_official	49:77c8e4604045	1133	sig = ptcb->events; // Previous signal flags
mbed_official	49:77c8e4604045	1134
mbed_official	49:77c8e4604045	1135	isr_evt_set(signals, ptcb->task_id); // Set event flags
mbed_official	49:77c8e4604045	1136
mbed_official	49:77c8e4604045	1137	return sig;
mbed_official	49:77c8e4604045	1138	}
mbed_official	49:77c8e4604045	1139
mbed_official	49:77c8e4604045	1140
mbed_official	49:77c8e4604045	1141	// Signal Public API
mbed_official	49:77c8e4604045	1142
mbed_official	49:77c8e4604045	1143	/// Set the specified Signal Flags of an active thread
mbed_official	49:77c8e4604045	1144	int32_t osSignalSet (osThreadId thread_id, int32_t signals) {
mbed_official	49:77c8e4604045	1145	if (__get_IPSR() != 0) { // in ISR
mbed_official	49:77c8e4604045	1146	return isrSignalSet(thread_id, signals);
mbed_official	49:77c8e4604045	1147	} else { // in Thread
mbed_official	49:77c8e4604045	1148	return __svcSignalSet(thread_id, signals);
mbed_official	49:77c8e4604045	1149	}
mbed_official	49:77c8e4604045	1150	}
mbed_official	49:77c8e4604045	1151
mbed_official	49:77c8e4604045	1152	/// Clear the specified Signal Flags of an active thread
mbed_official	49:77c8e4604045	1153	int32_t osSignalClear (osThreadId thread_id, int32_t signals) {
mbed_official	49:77c8e4604045	1154	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	1155	return __svcSignalClear(thread_id, signals);
mbed_official	49:77c8e4604045	1156	}
mbed_official	49:77c8e4604045	1157
mbed_official	49:77c8e4604045	1158	/// Get Signal Flags status of an active thread
mbed_official	49:77c8e4604045	1159	int32_t osSignalGet (osThreadId thread_id) {
mbed_official	49:77c8e4604045	1160	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	1161	return __svcSignalGet(thread_id);
mbed_official	49:77c8e4604045	1162	}
mbed_official	49:77c8e4604045	1163
mbed_official	49:77c8e4604045	1164	/// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
mbed_official	49:77c8e4604045	1165	os_InRegs osEvent osSignalWait (int32_t signals, uint32_t millisec) {
mbed_official	49:77c8e4604045	1166	osEvent ret;
mbed_official	49:77c8e4604045	1167
mbed_official	49:77c8e4604045	1168	if (__get_IPSR() != 0) { // Not allowed in ISR
mbed_official	49:77c8e4604045	1169	ret.status = osErrorISR;
mbed_official	49:77c8e4604045	1170	return ret;
mbed_official	49:77c8e4604045	1171	}
mbed_official	49:77c8e4604045	1172	return __svcSignalWait(signals, millisec);
mbed_official	49:77c8e4604045	1173	}
mbed_official	49:77c8e4604045	1174
mbed_official	49:77c8e4604045	1175
mbed_official	49:77c8e4604045	1176	// ==== Mutex Management ====
mbed_official	49:77c8e4604045	1177
mbed_official	49:77c8e4604045	1178	// Mutex Service Calls declarations
mbed_official	49:77c8e4604045	1179	SVC_1_1(svcMutexCreate, osMutexId, osMutexDef_t *, RET_pointer)
mbed_official	49:77c8e4604045	1180	SVC_2_1(svcMutexWait, osStatus, osMutexId, uint32_t, RET_osStatus)
mbed_official	49:77c8e4604045	1181	SVC_1_1(svcMutexRelease, osStatus, osMutexId, RET_osStatus)
mbed_official	49:77c8e4604045	1182	SVC_1_1(svcMutexDelete, osStatus, osMutexId, RET_osStatus)
mbed_official	49:77c8e4604045	1183
mbed_official	49:77c8e4604045	1184	// Mutex Service Calls
mbed_official	49:77c8e4604045	1185
mbed_official	49:77c8e4604045	1186	/// Create and Initialize a Mutex object
mbed_official	49:77c8e4604045	1187	osMutexId svcMutexCreate (osMutexDef_t *mutex_def) {
mbed_official	49:77c8e4604045	1188	OS_ID mut;
mbed_official	49:77c8e4604045	1189
mbed_official	49:77c8e4604045	1190	if (mutex_def == NULL) {
mbed_official	49:77c8e4604045	1191	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1192	return NULL;
mbed_official	49:77c8e4604045	1193	}
mbed_official	49:77c8e4604045	1194
mbed_official	49:77c8e4604045	1195	mut = mutex_def->mutex;
mbed_official	49:77c8e4604045	1196	if (mut == NULL) {
mbed_official	49:77c8e4604045	1197	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1198	return NULL;
mbed_official	49:77c8e4604045	1199	}
mbed_official	49:77c8e4604045	1200
mbed_official	49:77c8e4604045	1201	if (((P_MUCB)mut)->cb_type != 0) {
mbed_official	49:77c8e4604045	1202	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1203	return NULL;
mbed_official	49:77c8e4604045	1204	}
mbed_official	49:77c8e4604045	1205
mbed_official	49:77c8e4604045	1206	rt_mut_init(mut); // Initialize Mutex
mbed_official	49:77c8e4604045	1207
mbed_official	49:77c8e4604045	1208	return mut;
mbed_official	49:77c8e4604045	1209	}
mbed_official	49:77c8e4604045	1210
mbed_official	49:77c8e4604045	1211	/// Wait until a Mutex becomes available
mbed_official	49:77c8e4604045	1212	osStatus svcMutexWait (osMutexId mutex_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1213	OS_ID mut;
mbed_official	49:77c8e4604045	1214	OS_RESULT res;
mbed_official	49:77c8e4604045	1215
mbed_official	49:77c8e4604045	1216	mut = rt_id2obj(mutex_id);
mbed_official	49:77c8e4604045	1217	if (mut == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1218
mbed_official	49:77c8e4604045	1219	if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
mbed_official	49:77c8e4604045	1220
mbed_official	49:77c8e4604045	1221	res = rt_mut_wait(mut, rt_ms2tick(millisec)); // Wait for Mutex
mbed_official	49:77c8e4604045	1222
mbed_official	49:77c8e4604045	1223	if (res == OS_R_TMO) {
mbed_official	49:77c8e4604045	1224	return (millisec ? osErrorTimeoutResource : osErrorResource);
mbed_official	49:77c8e4604045	1225	}
mbed_official	49:77c8e4604045	1226
mbed_official	49:77c8e4604045	1227	return osOK;
mbed_official	49:77c8e4604045	1228	}
mbed_official	49:77c8e4604045	1229
mbed_official	49:77c8e4604045	1230	/// Release a Mutex that was obtained with osMutexWait
mbed_official	49:77c8e4604045	1231	osStatus svcMutexRelease (osMutexId mutex_id) {
mbed_official	49:77c8e4604045	1232	OS_ID mut;
mbed_official	49:77c8e4604045	1233	OS_RESULT res;
mbed_official	49:77c8e4604045	1234
mbed_official	49:77c8e4604045	1235	mut = rt_id2obj(mutex_id);
mbed_official	49:77c8e4604045	1236	if (mut == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1237
mbed_official	49:77c8e4604045	1238	if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
mbed_official	49:77c8e4604045	1239
mbed_official	49:77c8e4604045	1240	res = rt_mut_release(mut); // Release Mutex
mbed_official	49:77c8e4604045	1241
mbed_official	49:77c8e4604045	1242	if (res == OS_R_NOK) return osErrorResource; // Thread not owner or Zero Counter
mbed_official	49:77c8e4604045	1243
mbed_official	49:77c8e4604045	1244	return osOK;
mbed_official	49:77c8e4604045	1245	}
mbed_official	49:77c8e4604045	1246
mbed_official	49:77c8e4604045	1247	/// Delete a Mutex that was created by osMutexCreate
mbed_official	49:77c8e4604045	1248	osStatus svcMutexDelete (osMutexId mutex_id) {
mbed_official	49:77c8e4604045	1249	OS_ID mut;
mbed_official	49:77c8e4604045	1250
mbed_official	49:77c8e4604045	1251	mut = rt_id2obj(mutex_id);
mbed_official	49:77c8e4604045	1252	if (mut == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1253
mbed_official	49:77c8e4604045	1254	if (((P_MUCB)mut)->cb_type != MUCB) return osErrorParameter;
mbed_official	49:77c8e4604045	1255
mbed_official	49:77c8e4604045	1256	rt_mut_delete(mut); // Release Mutex
mbed_official	49:77c8e4604045	1257
mbed_official	49:77c8e4604045	1258	return osOK;
mbed_official	49:77c8e4604045	1259	}
mbed_official	49:77c8e4604045	1260
mbed_official	49:77c8e4604045	1261
mbed_official	49:77c8e4604045	1262	// Mutex Public API
mbed_official	49:77c8e4604045	1263
mbed_official	49:77c8e4604045	1264	/// Create and Initialize a Mutex object
mbed_official	49:77c8e4604045	1265	osMutexId osMutexCreate (osMutexDef_t *mutex_def) {
mbed_official	49:77c8e4604045	1266	if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
mbed_official	49:77c8e4604045	1267	if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
mbed_official	49:77c8e4604045	1268	// Privileged and not running
mbed_official	49:77c8e4604045	1269	return svcMutexCreate(mutex_def);
mbed_official	49:77c8e4604045	1270	} else {
mbed_official	49:77c8e4604045	1271	return __svcMutexCreate(mutex_def);
mbed_official	49:77c8e4604045	1272	}
mbed_official	49:77c8e4604045	1273	}
mbed_official	49:77c8e4604045	1274
mbed_official	49:77c8e4604045	1275	/// Wait until a Mutex becomes available
mbed_official	49:77c8e4604045	1276	osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1277	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	1278	return __svcMutexWait(mutex_id, millisec);
mbed_official	49:77c8e4604045	1279	}
mbed_official	49:77c8e4604045	1280
mbed_official	49:77c8e4604045	1281	/// Release a Mutex that was obtained with osMutexWait
mbed_official	49:77c8e4604045	1282	osStatus osMutexRelease (osMutexId mutex_id) {
mbed_official	49:77c8e4604045	1283	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	1284	return __svcMutexRelease(mutex_id);
mbed_official	49:77c8e4604045	1285	}
mbed_official	49:77c8e4604045	1286
mbed_official	49:77c8e4604045	1287	/// Delete a Mutex that was created by osMutexCreate
mbed_official	49:77c8e4604045	1288	osStatus osMutexDelete (osMutexId mutex_id) {
mbed_official	49:77c8e4604045	1289	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	1290	return __svcMutexDelete(mutex_id);
mbed_official	49:77c8e4604045	1291	}
mbed_official	49:77c8e4604045	1292
mbed_official	49:77c8e4604045	1293
mbed_official	49:77c8e4604045	1294	// ==== Semaphore Management ====
mbed_official	49:77c8e4604045	1295
mbed_official	49:77c8e4604045	1296	// Semaphore Service Calls declarations
mbed_official	49:77c8e4604045	1297	SVC_2_1(svcSemaphoreCreate, osSemaphoreId, const osSemaphoreDef_t *, int32_t, RET_pointer)
mbed_official	49:77c8e4604045	1298	SVC_2_1(svcSemaphoreWait, int32_t, osSemaphoreId, uint32_t, RET_int32_t)
mbed_official	49:77c8e4604045	1299	SVC_1_1(svcSemaphoreRelease, osStatus, osSemaphoreId, RET_osStatus)
mbed_official	49:77c8e4604045	1300	SVC_1_1(svcSemaphoreDelete, osStatus, osSemaphoreId, RET_osStatus)
mbed_official	49:77c8e4604045	1301
mbed_official	49:77c8e4604045	1302	// Semaphore Service Calls
mbed_official	49:77c8e4604045	1303
mbed_official	49:77c8e4604045	1304	/// Create and Initialize a Semaphore object
mbed_official	49:77c8e4604045	1305	osSemaphoreId svcSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) {
mbed_official	49:77c8e4604045	1306	OS_ID sem;
mbed_official	49:77c8e4604045	1307
mbed_official	49:77c8e4604045	1308	if (semaphore_def == NULL) {
mbed_official	49:77c8e4604045	1309	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1310	return NULL;
mbed_official	49:77c8e4604045	1311	}
mbed_official	49:77c8e4604045	1312
mbed_official	49:77c8e4604045	1313	sem = semaphore_def->semaphore;
mbed_official	49:77c8e4604045	1314	if (sem == NULL) {
mbed_official	49:77c8e4604045	1315	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1316	return NULL;
mbed_official	49:77c8e4604045	1317	}
mbed_official	49:77c8e4604045	1318
mbed_official	49:77c8e4604045	1319	if (((P_SCB)sem)->cb_type != 0) {
mbed_official	49:77c8e4604045	1320	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1321	return NULL;
mbed_official	49:77c8e4604045	1322	}
mbed_official	49:77c8e4604045	1323
mbed_official	49:77c8e4604045	1324	if (count > osFeature_Semaphore) {
mbed_official	49:77c8e4604045	1325	sysThreadError(osErrorValue);
mbed_official	49:77c8e4604045	1326	return NULL;
mbed_official	49:77c8e4604045	1327	}
mbed_official	49:77c8e4604045	1328
mbed_official	49:77c8e4604045	1329	rt_sem_init(sem, count); // Initialize Semaphore
mbed_official	49:77c8e4604045	1330
mbed_official	49:77c8e4604045	1331	return sem;
mbed_official	49:77c8e4604045	1332	}
mbed_official	49:77c8e4604045	1333
mbed_official	49:77c8e4604045	1334	/// Wait until a Semaphore becomes available
mbed_official	49:77c8e4604045	1335	int32_t svcSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1336	OS_ID sem;
mbed_official	49:77c8e4604045	1337	OS_RESULT res;
mbed_official	49:77c8e4604045	1338
mbed_official	49:77c8e4604045	1339	sem = rt_id2obj(semaphore_id);
mbed_official	49:77c8e4604045	1340	if (sem == NULL) return -1;
mbed_official	49:77c8e4604045	1341
mbed_official	49:77c8e4604045	1342	if (((P_SCB)sem)->cb_type != SCB) return -1;
mbed_official	49:77c8e4604045	1343
mbed_official	49:77c8e4604045	1344	res = rt_sem_wait(sem, rt_ms2tick(millisec)); // Wait for Semaphore
mbed_official	49:77c8e4604045	1345
mbed_official	49:77c8e4604045	1346	if (res == OS_R_TMO) return 0; // Timeout
mbed_official	49:77c8e4604045	1347
mbed_official	49:77c8e4604045	1348	return (((P_SCB)sem)->tokens + 1);
mbed_official	49:77c8e4604045	1349	}
mbed_official	49:77c8e4604045	1350
mbed_official	49:77c8e4604045	1351	/// Release a Semaphore
mbed_official	49:77c8e4604045	1352	osStatus svcSemaphoreRelease (osSemaphoreId semaphore_id) {
mbed_official	49:77c8e4604045	1353	OS_ID sem;
mbed_official	49:77c8e4604045	1354
mbed_official	49:77c8e4604045	1355	sem = rt_id2obj(semaphore_id);
mbed_official	49:77c8e4604045	1356	if (sem == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1357
mbed_official	49:77c8e4604045	1358	if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
mbed_official	49:77c8e4604045	1359
mbed_official	49:77c8e4604045	1360	if (((P_SCB)sem)->tokens == osFeature_Semaphore) return osErrorResource;
mbed_official	49:77c8e4604045	1361
mbed_official	49:77c8e4604045	1362	rt_sem_send(sem); // Release Semaphore
mbed_official	49:77c8e4604045	1363
mbed_official	49:77c8e4604045	1364	return osOK;
mbed_official	49:77c8e4604045	1365	}
mbed_official	49:77c8e4604045	1366
mbed_official	49:77c8e4604045	1367	/// Delete a Semaphore that was created by osSemaphoreCreate
mbed_official	49:77c8e4604045	1368	osStatus svcSemaphoreDelete (osSemaphoreId semaphore_id) {
mbed_official	49:77c8e4604045	1369	OS_ID sem;
mbed_official	49:77c8e4604045	1370
mbed_official	49:77c8e4604045	1371	sem = rt_id2obj(semaphore_id);
mbed_official	49:77c8e4604045	1372	if (sem == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1373
mbed_official	49:77c8e4604045	1374	if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
mbed_official	49:77c8e4604045	1375
mbed_official	49:77c8e4604045	1376	rt_sem_delete(sem); // Delete Semaphore
mbed_official	49:77c8e4604045	1377
mbed_official	49:77c8e4604045	1378	return osOK;
mbed_official	49:77c8e4604045	1379	}
mbed_official	49:77c8e4604045	1380
mbed_official	49:77c8e4604045	1381
mbed_official	49:77c8e4604045	1382	// Semaphore ISR Calls
mbed_official	49:77c8e4604045	1383
mbed_official	49:77c8e4604045	1384	/// Release a Semaphore
mbed_official	49:77c8e4604045	1385	static __INLINE osStatus isrSemaphoreRelease (osSemaphoreId semaphore_id) {
mbed_official	49:77c8e4604045	1386	OS_ID sem;
mbed_official	49:77c8e4604045	1387
mbed_official	49:77c8e4604045	1388	sem = rt_id2obj(semaphore_id);
mbed_official	49:77c8e4604045	1389	if (sem == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1390
mbed_official	49:77c8e4604045	1391	if (((P_SCB)sem)->cb_type != SCB) return osErrorParameter;
mbed_official	49:77c8e4604045	1392
mbed_official	49:77c8e4604045	1393	if (((P_SCB)sem)->tokens == osFeature_Semaphore) return osErrorResource;
mbed_official	49:77c8e4604045	1394
mbed_official	49:77c8e4604045	1395	isr_sem_send(sem); // Release Semaphore
mbed_official	49:77c8e4604045	1396
mbed_official	49:77c8e4604045	1397	return osOK;
mbed_official	49:77c8e4604045	1398	}
mbed_official	49:77c8e4604045	1399
mbed_official	49:77c8e4604045	1400
mbed_official	49:77c8e4604045	1401	// Semaphore Public API
mbed_official	49:77c8e4604045	1402
mbed_official	49:77c8e4604045	1403	/// Create and Initialize a Semaphore object
mbed_official	49:77c8e4604045	1404	osSemaphoreId osSemaphoreCreate (osSemaphoreDef_t *semaphore_def, int32_t count) {
mbed_official	49:77c8e4604045	1405	if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
mbed_official	49:77c8e4604045	1406	if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
mbed_official	49:77c8e4604045	1407	// Privileged and not running
mbed_official	49:77c8e4604045	1408	return svcSemaphoreCreate(semaphore_def, count);
mbed_official	49:77c8e4604045	1409	} else {
mbed_official	49:77c8e4604045	1410	return __svcSemaphoreCreate(semaphore_def, count);
mbed_official	49:77c8e4604045	1411	}
mbed_official	49:77c8e4604045	1412	}
mbed_official	49:77c8e4604045	1413
mbed_official	49:77c8e4604045	1414	/// Wait until a Semaphore becomes available
mbed_official	49:77c8e4604045	1415	int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1416	if (__get_IPSR() != 0) return -1; // Not allowed in ISR
mbed_official	49:77c8e4604045	1417	return __svcSemaphoreWait(semaphore_id, millisec);
mbed_official	49:77c8e4604045	1418	}
mbed_official	49:77c8e4604045	1419
mbed_official	49:77c8e4604045	1420	/// Release a Semaphore
mbed_official	49:77c8e4604045	1421	osStatus osSemaphoreRelease (osSemaphoreId semaphore_id) {
mbed_official	49:77c8e4604045	1422	if (__get_IPSR() != 0) { // in ISR
mbed_official	49:77c8e4604045	1423	return isrSemaphoreRelease(semaphore_id);
mbed_official	49:77c8e4604045	1424	} else { // in Thread
mbed_official	49:77c8e4604045	1425	return __svcSemaphoreRelease(semaphore_id);
mbed_official	49:77c8e4604045	1426	}
mbed_official	49:77c8e4604045	1427	}
mbed_official	49:77c8e4604045	1428
mbed_official	49:77c8e4604045	1429	/// Delete a Semaphore that was created by osSemaphoreCreate
mbed_official	49:77c8e4604045	1430	osStatus osSemaphoreDelete (osSemaphoreId semaphore_id) {
mbed_official	49:77c8e4604045	1431	if (__get_IPSR() != 0) return osErrorISR; // Not allowed in ISR
mbed_official	49:77c8e4604045	1432	return __svcSemaphoreDelete(semaphore_id);
mbed_official	49:77c8e4604045	1433	}
mbed_official	49:77c8e4604045	1434
mbed_official	49:77c8e4604045	1435
mbed_official	49:77c8e4604045	1436	// ==== Memory Management Functions ====
mbed_official	49:77c8e4604045	1437
mbed_official	49:77c8e4604045	1438	// Memory Management Helper Functions
mbed_official	49:77c8e4604045	1439
mbed_official	49:77c8e4604045	1440	// Clear Memory Box (Zero init)
mbed_official	49:77c8e4604045	1441	static void rt_clr_box (void box_mem, void box) {
mbed_official	49:77c8e4604045	1442	uint32_t *p, n;
mbed_official	49:77c8e4604045	1443
mbed_official	49:77c8e4604045	1444	if (box) {
mbed_official	49:77c8e4604045	1445	p = box;
mbed_official	49:77c8e4604045	1446	for (n = ((P_BM)box_mem)->blk_size; n; n -= 4) {
mbed_official	49:77c8e4604045	1447	*p++ = 0;
mbed_official	49:77c8e4604045	1448	}
mbed_official	49:77c8e4604045	1449	}
mbed_official	49:77c8e4604045	1450	}
mbed_official	49:77c8e4604045	1451
mbed_official	49:77c8e4604045	1452	// Memory Management Service Calls declarations
mbed_official	49:77c8e4604045	1453	SVC_1_1(svcPoolCreate, osPoolId, const osPoolDef_t *, RET_pointer)
mbed_official	49:77c8e4604045	1454	SVC_2_1(sysPoolAlloc, void *, osPoolId, uint32_t, RET_pointer)
mbed_official	49:77c8e4604045	1455	SVC_2_1(sysPoolFree, osStatus, osPoolId, void *, RET_osStatus)
mbed_official	49:77c8e4604045	1456
mbed_official	49:77c8e4604045	1457	// Memory Management Service & ISR Calls
mbed_official	49:77c8e4604045	1458
mbed_official	49:77c8e4604045	1459	/// Create and Initialize memory pool
mbed_official	49:77c8e4604045	1460	osPoolId svcPoolCreate (const osPoolDef_t *pool_def) {
mbed_official	49:77c8e4604045	1461	uint32_t blk_sz;
mbed_official	49:77c8e4604045	1462
mbed_official	49:77c8e4604045	1463	if ((pool_def == NULL) \|\|
mbed_official	49:77c8e4604045	1464	(pool_def->pool_sz == 0) \|\|
mbed_official	49:77c8e4604045	1465	(pool_def->item_sz == 0) \|\|
mbed_official	49:77c8e4604045	1466	(pool_def->pool == NULL)) {
mbed_official	49:77c8e4604045	1467	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1468	return NULL;
mbed_official	49:77c8e4604045	1469	}
mbed_official	49:77c8e4604045	1470
mbed_official	49:77c8e4604045	1471	blk_sz = (pool_def->item_sz + 3) & ~3;
mbed_official	49:77c8e4604045	1472
mbed_official	49:77c8e4604045	1473	_init_box(pool_def->pool, sizeof(struct OS_BM) + pool_def->pool_sz * blk_sz, blk_sz);
mbed_official	49:77c8e4604045	1474
mbed_official	49:77c8e4604045	1475	return pool_def->pool;
mbed_official	49:77c8e4604045	1476	}
mbed_official	49:77c8e4604045	1477
mbed_official	49:77c8e4604045	1478	/// Allocate a memory block from a memory pool
mbed_official	49:77c8e4604045	1479	void *sysPoolAlloc (osPoolId pool_id, uint32_t clr) {
mbed_official	49:77c8e4604045	1480	void *ptr;
mbed_official	49:77c8e4604045	1481
mbed_official	49:77c8e4604045	1482	if (pool_id == NULL) return NULL;
mbed_official	49:77c8e4604045	1483
mbed_official	49:77c8e4604045	1484	ptr = rt_alloc_box(pool_id);
mbed_official	49:77c8e4604045	1485	if (clr) {
mbed_official	49:77c8e4604045	1486	rt_clr_box(pool_id, ptr);
mbed_official	49:77c8e4604045	1487	}
mbed_official	49:77c8e4604045	1488
mbed_official	49:77c8e4604045	1489	return ptr;
mbed_official	49:77c8e4604045	1490	}
mbed_official	49:77c8e4604045	1491
mbed_official	49:77c8e4604045	1492	/// Return an allocated memory block back to a specific memory pool
mbed_official	49:77c8e4604045	1493	osStatus sysPoolFree (osPoolId pool_id, void *block) {
mbed_official	49:77c8e4604045	1494	int32_t res;
mbed_official	49:77c8e4604045	1495
mbed_official	49:77c8e4604045	1496	if (pool_id == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1497
mbed_official	49:77c8e4604045	1498	res = rt_free_box(pool_id, block);
mbed_official	49:77c8e4604045	1499	if (res != 0) return osErrorValue;
mbed_official	49:77c8e4604045	1500
mbed_official	49:77c8e4604045	1501	return osOK;
mbed_official	49:77c8e4604045	1502	}
mbed_official	49:77c8e4604045	1503
mbed_official	49:77c8e4604045	1504
mbed_official	49:77c8e4604045	1505	// Memory Management Public API
mbed_official	49:77c8e4604045	1506
mbed_official	49:77c8e4604045	1507	/// Create and Initialize memory pool
mbed_official	49:77c8e4604045	1508	osPoolId osPoolCreate (osPoolDef_t *pool_def) {
mbed_official	49:77c8e4604045	1509	if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
mbed_official	49:77c8e4604045	1510	if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
mbed_official	49:77c8e4604045	1511	// Privileged and not running
mbed_official	49:77c8e4604045	1512	return svcPoolCreate(pool_def);
mbed_official	49:77c8e4604045	1513	} else {
mbed_official	49:77c8e4604045	1514	return __svcPoolCreate(pool_def);
mbed_official	49:77c8e4604045	1515	}
mbed_official	49:77c8e4604045	1516	}
mbed_official	49:77c8e4604045	1517
mbed_official	49:77c8e4604045	1518	/// Allocate a memory block from a memory pool
mbed_official	49:77c8e4604045	1519	void *osPoolAlloc (osPoolId pool_id) {
mbed_official	49:77c8e4604045	1520	if ((__get_IPSR() != 0) \|\| ((__get_CONTROL() & 1) == 0)) { // in ISR or Privileged
mbed_official	49:77c8e4604045	1521	return sysPoolAlloc(pool_id, 0);
mbed_official	49:77c8e4604045	1522	} else { // in Thread
mbed_official	49:77c8e4604045	1523	return __sysPoolAlloc(pool_id, 0);
mbed_official	49:77c8e4604045	1524	}
mbed_official	49:77c8e4604045	1525	}
mbed_official	49:77c8e4604045	1526
mbed_official	49:77c8e4604045	1527	/// Allocate a memory block from a memory pool and set memory block to zero
mbed_official	49:77c8e4604045	1528	void *osPoolCAlloc (osPoolId pool_id) {
mbed_official	49:77c8e4604045	1529	if ((__get_IPSR() != 0) \|\| ((__get_CONTROL() & 1) == 0)) { // in ISR or Privileged
mbed_official	49:77c8e4604045	1530	return sysPoolAlloc(pool_id, 1);
mbed_official	49:77c8e4604045	1531	} else { // in Thread
mbed_official	49:77c8e4604045	1532	return __sysPoolAlloc(pool_id, 1);
mbed_official	49:77c8e4604045	1533	}
mbed_official	49:77c8e4604045	1534	}
mbed_official	49:77c8e4604045	1535
mbed_official	49:77c8e4604045	1536	/// Return an allocated memory block back to a specific memory pool
mbed_official	49:77c8e4604045	1537	osStatus osPoolFree (osPoolId pool_id, void *block) {
mbed_official	49:77c8e4604045	1538	if ((__get_IPSR() != 0) \|\| ((__get_CONTROL() & 1) == 0)) { // in ISR or Privileged
mbed_official	49:77c8e4604045	1539	return sysPoolFree(pool_id, block);
mbed_official	49:77c8e4604045	1540	} else { // in Thread
mbed_official	49:77c8e4604045	1541	return __sysPoolFree(pool_id, block);
mbed_official	49:77c8e4604045	1542	}
mbed_official	49:77c8e4604045	1543	}
mbed_official	49:77c8e4604045	1544
mbed_official	49:77c8e4604045	1545
mbed_official	49:77c8e4604045	1546	// ==== Message Queue Management Functions ====
mbed_official	49:77c8e4604045	1547
mbed_official	49:77c8e4604045	1548	// Message Queue Management Service Calls declarations
mbed_official	49:77c8e4604045	1549	SVC_2_1(svcMessageCreate, osMessageQId, osMessageQDef_t *, osThreadId, RET_pointer)
mbed_official	49:77c8e4604045	1550	SVC_3_1(svcMessagePut, osStatus, osMessageQId, uint32_t, uint32_t, RET_osStatus)
mbed_official	49:77c8e4604045	1551	SVC_2_3(svcMessageGet, os_InRegs osEvent, osMessageQId, uint32_t, RET_osEvent)
mbed_official	49:77c8e4604045	1552
mbed_official	49:77c8e4604045	1553	// Message Queue Service Calls
mbed_official	49:77c8e4604045	1554
mbed_official	49:77c8e4604045	1555	/// Create and Initialize Message Queue
mbed_official	49:77c8e4604045	1556	osMessageQId svcMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id) {
mbed_official	49:77c8e4604045	1557
mbed_official	49:77c8e4604045	1558	if ((queue_def == NULL) \|\|
mbed_official	49:77c8e4604045	1559	(queue_def->queue_sz == 0) \|\|
mbed_official	49:77c8e4604045	1560	(queue_def->pool == NULL)) {
mbed_official	49:77c8e4604045	1561	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1562	return NULL;
mbed_official	49:77c8e4604045	1563	}
mbed_official	49:77c8e4604045	1564
mbed_official	49:77c8e4604045	1565	if (((P_MCB)queue_def->pool)->cb_type != 0) {
mbed_official	49:77c8e4604045	1566	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1567	return NULL;
mbed_official	49:77c8e4604045	1568	}
mbed_official	49:77c8e4604045	1569
mbed_official	49:77c8e4604045	1570	rt_mbx_init(queue_def->pool, 4*(queue_def->queue_sz + 4));
mbed_official	49:77c8e4604045	1571
mbed_official	49:77c8e4604045	1572	return queue_def->pool;
mbed_official	49:77c8e4604045	1573	}
mbed_official	49:77c8e4604045	1574
mbed_official	49:77c8e4604045	1575	/// Put a Message to a Queue
mbed_official	49:77c8e4604045	1576	osStatus svcMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
mbed_official	49:77c8e4604045	1577	OS_RESULT res;
mbed_official	49:77c8e4604045	1578
mbed_official	49:77c8e4604045	1579	if (queue_id == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1580
mbed_official	49:77c8e4604045	1581	if (((P_MCB)queue_id)->cb_type != MCB) return osErrorParameter;
mbed_official	49:77c8e4604045	1582
mbed_official	49:77c8e4604045	1583	res = rt_mbx_send(queue_id, (void *)info, rt_ms2tick(millisec));
mbed_official	49:77c8e4604045	1584
mbed_official	49:77c8e4604045	1585	if (res == OS_R_TMO) {
mbed_official	49:77c8e4604045	1586	return (millisec ? osErrorTimeoutResource : osErrorResource);
mbed_official	49:77c8e4604045	1587	}
mbed_official	49:77c8e4604045	1588
mbed_official	49:77c8e4604045	1589	return osOK;
mbed_official	49:77c8e4604045	1590	}
mbed_official	49:77c8e4604045	1591
mbed_official	49:77c8e4604045	1592	/// Get a Message or Wait for a Message from a Queue
mbed_official	49:77c8e4604045	1593	os_InRegs osEvent_type svcMessageGet (osMessageQId queue_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1594	OS_RESULT res;
mbed_official	49:77c8e4604045	1595	osEvent ret;
mbed_official	49:77c8e4604045	1596
mbed_official	49:77c8e4604045	1597	if (queue_id == NULL) {
mbed_official	49:77c8e4604045	1598	ret.status = osErrorParameter;
mbed_official	49:77c8e4604045	1599	return osEvent_ret_status;
mbed_official	49:77c8e4604045	1600	}
mbed_official	49:77c8e4604045	1601
mbed_official	49:77c8e4604045	1602	if (((P_MCB)queue_id)->cb_type != MCB) {
mbed_official	49:77c8e4604045	1603	ret.status = osErrorParameter;
mbed_official	49:77c8e4604045	1604	return osEvent_ret_status;
mbed_official	49:77c8e4604045	1605	}
mbed_official	49:77c8e4604045	1606
mbed_official	49:77c8e4604045	1607	res = rt_mbx_wait(queue_id, &ret.value.p, rt_ms2tick(millisec));
mbed_official	49:77c8e4604045	1608
mbed_official	49:77c8e4604045	1609	if (res == OS_R_TMO) {
mbed_official	49:77c8e4604045	1610	ret.status = millisec ? osEventTimeout : osOK;
mbed_official	49:77c8e4604045	1611	return osEvent_ret_value;
mbed_official	49:77c8e4604045	1612	}
mbed_official	49:77c8e4604045	1613
mbed_official	49:77c8e4604045	1614	ret.status = osEventMessage;
mbed_official	49:77c8e4604045	1615
mbed_official	49:77c8e4604045	1616	return osEvent_ret_value;
mbed_official	49:77c8e4604045	1617	}
mbed_official	49:77c8e4604045	1618
mbed_official	49:77c8e4604045	1619
mbed_official	49:77c8e4604045	1620	// Message Queue ISR Calls
mbed_official	49:77c8e4604045	1621
mbed_official	49:77c8e4604045	1622	/// Put a Message to a Queue
mbed_official	49:77c8e4604045	1623	static __INLINE osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
mbed_official	49:77c8e4604045	1624
mbed_official	49:77c8e4604045	1625	if ((queue_id == NULL) \|\| (millisec != 0)) {
mbed_official	49:77c8e4604045	1626	return osErrorParameter;
mbed_official	49:77c8e4604045	1627	}
mbed_official	49:77c8e4604045	1628
mbed_official	49:77c8e4604045	1629	if (((P_MCB)queue_id)->cb_type != MCB) return osErrorParameter;
mbed_official	49:77c8e4604045	1630
mbed_official	49:77c8e4604045	1631	if (rt_mbx_check(queue_id) == 0) { // Check if Queue is full
mbed_official	49:77c8e4604045	1632	return osErrorResource;
mbed_official	49:77c8e4604045	1633	}
mbed_official	49:77c8e4604045	1634
mbed_official	49:77c8e4604045	1635	isr_mbx_send(queue_id, (void *)info);
mbed_official	49:77c8e4604045	1636
mbed_official	49:77c8e4604045	1637	return osOK;
mbed_official	49:77c8e4604045	1638	}
mbed_official	49:77c8e4604045	1639
mbed_official	49:77c8e4604045	1640	/// Get a Message or Wait for a Message from a Queue
mbed_official	49:77c8e4604045	1641	static __INLINE os_InRegs osEvent isrMessageGet (osMessageQId queue_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1642	OS_RESULT res;
mbed_official	49:77c8e4604045	1643	osEvent ret;
mbed_official	49:77c8e4604045	1644
mbed_official	49:77c8e4604045	1645	if ((queue_id == NULL) \|\| (millisec != 0)) {
mbed_official	49:77c8e4604045	1646	ret.status = osErrorParameter;
mbed_official	49:77c8e4604045	1647	return ret;
mbed_official	49:77c8e4604045	1648	}
mbed_official	49:77c8e4604045	1649
mbed_official	49:77c8e4604045	1650	if (((P_MCB)queue_id)->cb_type != MCB) {
mbed_official	49:77c8e4604045	1651	ret.status = osErrorParameter;
mbed_official	49:77c8e4604045	1652	return ret;
mbed_official	49:77c8e4604045	1653	}
mbed_official	49:77c8e4604045	1654
mbed_official	49:77c8e4604045	1655	res = isr_mbx_receive(queue_id, &ret.value.p);
mbed_official	49:77c8e4604045	1656
mbed_official	49:77c8e4604045	1657	if (res != OS_R_MBX) {
mbed_official	49:77c8e4604045	1658	ret.status = osOK;
mbed_official	49:77c8e4604045	1659	return ret;
mbed_official	49:77c8e4604045	1660	}
mbed_official	49:77c8e4604045	1661
mbed_official	49:77c8e4604045	1662	ret.status = osEventMessage;
mbed_official	49:77c8e4604045	1663
mbed_official	49:77c8e4604045	1664	return ret;
mbed_official	49:77c8e4604045	1665	}
mbed_official	49:77c8e4604045	1666
mbed_official	49:77c8e4604045	1667
mbed_official	49:77c8e4604045	1668	// Message Queue Management Public API
mbed_official	49:77c8e4604045	1669
mbed_official	49:77c8e4604045	1670	/// Create and Initialize Message Queue
mbed_official	49:77c8e4604045	1671	osMessageQId osMessageCreate (osMessageQDef_t *queue_def, osThreadId thread_id) {
mbed_official	49:77c8e4604045	1672	if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
mbed_official	49:77c8e4604045	1673	if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
mbed_official	49:77c8e4604045	1674	// Privileged and not running
mbed_official	49:77c8e4604045	1675	return svcMessageCreate(queue_def, thread_id);
mbed_official	49:77c8e4604045	1676	} else {
mbed_official	49:77c8e4604045	1677	return __svcMessageCreate(queue_def, thread_id);
mbed_official	49:77c8e4604045	1678	}
mbed_official	49:77c8e4604045	1679	}
mbed_official	49:77c8e4604045	1680
mbed_official	49:77c8e4604045	1681	/// Put a Message to a Queue
mbed_official	49:77c8e4604045	1682	osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
mbed_official	49:77c8e4604045	1683	if (__get_IPSR() != 0) { // in ISR
mbed_official	49:77c8e4604045	1684	return isrMessagePut(queue_id, info, millisec);
mbed_official	49:77c8e4604045	1685	} else { // in Thread
mbed_official	49:77c8e4604045	1686	return __svcMessagePut(queue_id, info, millisec);
mbed_official	49:77c8e4604045	1687	}
mbed_official	49:77c8e4604045	1688	}
mbed_official	49:77c8e4604045	1689
mbed_official	49:77c8e4604045	1690	/// Get a Message or Wait for a Message from a Queue
mbed_official	49:77c8e4604045	1691	os_InRegs osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1692	if (__get_IPSR() != 0) { // in ISR
mbed_official	49:77c8e4604045	1693	return isrMessageGet(queue_id, millisec);
mbed_official	49:77c8e4604045	1694	} else { // in Thread
mbed_official	49:77c8e4604045	1695	return __svcMessageGet(queue_id, millisec);
mbed_official	49:77c8e4604045	1696	}
mbed_official	49:77c8e4604045	1697	}
mbed_official	49:77c8e4604045	1698
mbed_official	49:77c8e4604045	1699
mbed_official	49:77c8e4604045	1700	// ==== Mail Queue Management Functions ====
mbed_official	49:77c8e4604045	1701
mbed_official	49:77c8e4604045	1702	// Mail Queue Management Service Calls declarations
mbed_official	49:77c8e4604045	1703	SVC_2_1(svcMailCreate, osMailQId, osMailQDef_t *, osThreadId, RET_pointer)
mbed_official	49:77c8e4604045	1704	SVC_4_1(sysMailAlloc, void *, osMailQId, uint32_t, uint32_t, uint32_t, RET_pointer)
mbed_official	49:77c8e4604045	1705	SVC_3_1(sysMailFree, osStatus, osMailQId, void *, uint32_t, RET_osStatus)
mbed_official	49:77c8e4604045	1706
mbed_official	49:77c8e4604045	1707	// Mail Queue Management Service & ISR Calls
mbed_official	49:77c8e4604045	1708
mbed_official	49:77c8e4604045	1709	/// Create and Initialize mail queue
mbed_official	49:77c8e4604045	1710	osMailQId svcMailCreate (osMailQDef_t *queue_def, osThreadId thread_id) {
mbed_official	49:77c8e4604045	1711	uint32_t blk_sz;
mbed_official	49:77c8e4604045	1712	P_MCB pmcb;
mbed_official	49:77c8e4604045	1713	void *pool;
mbed_official	49:77c8e4604045	1714
mbed_official	49:77c8e4604045	1715	if ((queue_def == NULL) \|\|
mbed_official	49:77c8e4604045	1716	(queue_def->queue_sz == 0) \|\|
mbed_official	49:77c8e4604045	1717	(queue_def->item_sz == 0) \|\|
mbed_official	49:77c8e4604045	1718	(queue_def->pool == NULL)) {
mbed_official	49:77c8e4604045	1719	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1720	return NULL;
mbed_official	49:77c8e4604045	1721	}
mbed_official	49:77c8e4604045	1722
mbed_official	49:77c8e4604045	1723	pmcb = (((void *)queue_def->pool) + 0);
mbed_official	49:77c8e4604045	1724	pool = (((void *)queue_def->pool) + 1);
mbed_official	49:77c8e4604045	1725
mbed_official	49:77c8e4604045	1726	if ((pool == NULL) \|\| (pmcb == NULL) \|\| (pmcb->cb_type != 0)) {
mbed_official	49:77c8e4604045	1727	sysThreadError(osErrorParameter);
mbed_official	49:77c8e4604045	1728	return NULL;
mbed_official	49:77c8e4604045	1729	}
mbed_official	49:77c8e4604045	1730
mbed_official	49:77c8e4604045	1731	blk_sz = (queue_def->item_sz + 3) & ~3;
mbed_official	49:77c8e4604045	1732
mbed_official	49:77c8e4604045	1733	_init_box(pool, sizeof(struct OS_BM) + queue_def->queue_sz * blk_sz, blk_sz);
mbed_official	49:77c8e4604045	1734
mbed_official	49:77c8e4604045	1735	rt_mbx_init(pmcb, 4*(queue_def->queue_sz + 4));
mbed_official	49:77c8e4604045	1736
mbed_official	49:77c8e4604045	1737
mbed_official	49:77c8e4604045	1738	return queue_def->pool;
mbed_official	49:77c8e4604045	1739	}
mbed_official	49:77c8e4604045	1740
mbed_official	49:77c8e4604045	1741	/// Allocate a memory block from a mail
mbed_official	49:77c8e4604045	1742	void *sysMailAlloc (osMailQId queue_id, uint32_t millisec, uint32_t isr, uint32_t clr) {
mbed_official	49:77c8e4604045	1743	P_MCB pmcb;
mbed_official	49:77c8e4604045	1744	void *pool;
mbed_official	49:77c8e4604045	1745	void *mem;
mbed_official	49:77c8e4604045	1746
mbed_official	49:77c8e4604045	1747	if (queue_id == NULL) return NULL;
mbed_official	49:77c8e4604045	1748
mbed_official	49:77c8e4604045	1749	pmcb = (((void *)queue_id) + 0);
mbed_official	49:77c8e4604045	1750	pool = (((void *)queue_id) + 1);
mbed_official	49:77c8e4604045	1751
mbed_official	49:77c8e4604045	1752	if ((pool == NULL) \|\| (pmcb == NULL)) return NULL;
mbed_official	49:77c8e4604045	1753
mbed_official	49:77c8e4604045	1754	if (isr && (millisec != 0)) return NULL;
mbed_official	49:77c8e4604045	1755
mbed_official	49:77c8e4604045	1756	mem = rt_alloc_box(pool);
mbed_official	49:77c8e4604045	1757	if (clr) {
mbed_official	49:77c8e4604045	1758	rt_clr_box(pool, mem);
mbed_official	49:77c8e4604045	1759	}
mbed_official	49:77c8e4604045	1760
mbed_official	49:77c8e4604045	1761	if ((mem == NULL) && (millisec != 0)) {
mbed_official	49:77c8e4604045	1762	// Put Task to sleep when Memory not available
mbed_official	49:77c8e4604045	1763	if (pmcb->p_lnk != NULL) {
mbed_official	49:77c8e4604045	1764	rt_put_prio((P_XCB)pmcb, os_tsk.run);
mbed_official	49:77c8e4604045	1765	} else {
mbed_official	49:77c8e4604045	1766	pmcb->p_lnk = os_tsk.run;
mbed_official	49:77c8e4604045	1767	os_tsk.run->p_lnk = NULL;
mbed_official	49:77c8e4604045	1768	os_tsk.run->p_rlnk = (P_TCB)pmcb;
mbed_official	49:77c8e4604045	1769	// Task is waiting to allocate a message
mbed_official	49:77c8e4604045	1770	pmcb->state = 3;
mbed_official	49:77c8e4604045	1771	}
mbed_official	49:77c8e4604045	1772	rt_block(rt_ms2tick(millisec), WAIT_MBX);
mbed_official	49:77c8e4604045	1773	}
mbed_official	49:77c8e4604045	1774
mbed_official	49:77c8e4604045	1775	return mem;
mbed_official	49:77c8e4604045	1776	}
mbed_official	49:77c8e4604045	1777
mbed_official	49:77c8e4604045	1778	/// Free a memory block from a mail
mbed_official	49:77c8e4604045	1779	osStatus sysMailFree (osMailQId queue_id, void *mail, uint32_t isr) {
mbed_official	49:77c8e4604045	1780	P_MCB pmcb;
mbed_official	49:77c8e4604045	1781	P_TCB ptcb;
mbed_official	49:77c8e4604045	1782	void *pool;
mbed_official	49:77c8e4604045	1783	void *mem;
mbed_official	49:77c8e4604045	1784	int32_t res;
mbed_official	49:77c8e4604045	1785
mbed_official	49:77c8e4604045	1786	if (queue_id == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1787
mbed_official	49:77c8e4604045	1788	pmcb = (((void *)queue_id) + 0);
mbed_official	49:77c8e4604045	1789	pool = (((void *)queue_id) + 1);
mbed_official	49:77c8e4604045	1790
mbed_official	49:77c8e4604045	1791	if ((pmcb == NULL) \|\| (pool == NULL)) return osErrorParameter;
mbed_official	49:77c8e4604045	1792
mbed_official	49:77c8e4604045	1793	res = rt_free_box(pool, mail);
mbed_official	49:77c8e4604045	1794
mbed_official	49:77c8e4604045	1795	if (res != 0) return osErrorValue;
mbed_official	49:77c8e4604045	1796
mbed_official	49:77c8e4604045	1797	if (pmcb->state == 3) {
mbed_official	49:77c8e4604045	1798	// Task is waiting to allocate a message
mbed_official	49:77c8e4604045	1799	if (isr) {
mbed_official	49:77c8e4604045	1800	rt_psq_enq (pmcb, (U32)pool);
mbed_official	49:77c8e4604045	1801	rt_psh_req ();
mbed_official	49:77c8e4604045	1802	} else {
mbed_official	49:77c8e4604045	1803	mem = rt_alloc_box(pool);
mbed_official	49:77c8e4604045	1804	if (mem != NULL) {
mbed_official	49:77c8e4604045	1805	ptcb = rt_get_first((P_XCB)pmcb);
mbed_official	49:77c8e4604045	1806	if (pmcb->p_lnk == NULL) {
mbed_official	49:77c8e4604045	1807	pmcb->state = 0;
mbed_official	49:77c8e4604045	1808	}
mbed_official	49:77c8e4604045	1809	rt_ret_val(ptcb, (U32)mem);
mbed_official	49:77c8e4604045	1810	rt_rmv_dly(ptcb);
mbed_official	49:77c8e4604045	1811	rt_dispatch(ptcb);
mbed_official	49:77c8e4604045	1812	}
mbed_official	49:77c8e4604045	1813	}
mbed_official	49:77c8e4604045	1814	}
mbed_official	49:77c8e4604045	1815
mbed_official	49:77c8e4604045	1816	return osOK;
mbed_official	49:77c8e4604045	1817	}
mbed_official	49:77c8e4604045	1818
mbed_official	49:77c8e4604045	1819
mbed_official	49:77c8e4604045	1820	// Mail Queue Management Public API
mbed_official	49:77c8e4604045	1821
mbed_official	49:77c8e4604045	1822	/// Create and Initialize mail queue
mbed_official	49:77c8e4604045	1823	osMailQId osMailCreate (osMailQDef_t *queue_def, osThreadId thread_id) {
mbed_official	49:77c8e4604045	1824	if (__get_IPSR() != 0) return NULL; // Not allowed in ISR
mbed_official	49:77c8e4604045	1825	if (((__get_CONTROL() & 1) == 0) && (os_running == 0)) {
mbed_official	49:77c8e4604045	1826	// Privileged and not running
mbed_official	49:77c8e4604045	1827	return svcMailCreate(queue_def, thread_id);
mbed_official	49:77c8e4604045	1828	} else {
mbed_official	49:77c8e4604045	1829	return __svcMailCreate(queue_def, thread_id);
mbed_official	49:77c8e4604045	1830	}
mbed_official	49:77c8e4604045	1831	}
mbed_official	49:77c8e4604045	1832
mbed_official	49:77c8e4604045	1833	/// Allocate a memory block from a mail
mbed_official	49:77c8e4604045	1834	void *osMailAlloc (osMailQId queue_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1835	if (__get_IPSR() != 0) { // in ISR
mbed_official	49:77c8e4604045	1836	return sysMailAlloc(queue_id, millisec, 1, 0);
mbed_official	49:77c8e4604045	1837	} else { // in Thread
mbed_official	49:77c8e4604045	1838	return __sysMailAlloc(queue_id, millisec, 0, 0);
mbed_official	49:77c8e4604045	1839	}
mbed_official	49:77c8e4604045	1840	}
mbed_official	49:77c8e4604045	1841
mbed_official	49:77c8e4604045	1842	/// Allocate a memory block from a mail and set memory block to zero
mbed_official	49:77c8e4604045	1843	void *osMailCAlloc (osMailQId queue_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1844	if (__get_IPSR() != 0) { // in ISR
mbed_official	49:77c8e4604045	1845	return sysMailAlloc(queue_id, millisec, 1, 1);
mbed_official	49:77c8e4604045	1846	} else { // in Thread
mbed_official	49:77c8e4604045	1847	return __sysMailAlloc(queue_id, millisec, 0, 1);
mbed_official	49:77c8e4604045	1848	}
mbed_official	49:77c8e4604045	1849	}
mbed_official	49:77c8e4604045	1850
mbed_official	49:77c8e4604045	1851	/// Free a memory block from a mail
mbed_official	49:77c8e4604045	1852	osStatus osMailFree (osMailQId queue_id, void *mail) {
mbed_official	49:77c8e4604045	1853	if (__get_IPSR() != 0) { // in ISR
mbed_official	49:77c8e4604045	1854	return sysMailFree(queue_id, mail, 1);
mbed_official	49:77c8e4604045	1855	} else { // in Thread
mbed_official	49:77c8e4604045	1856	return __sysMailFree(queue_id, mail, 0);
mbed_official	49:77c8e4604045	1857	}
mbed_official	49:77c8e4604045	1858	}
mbed_official	49:77c8e4604045	1859
mbed_official	49:77c8e4604045	1860	/// Put a mail to a queue
mbed_official	49:77c8e4604045	1861	osStatus osMailPut (osMailQId queue_id, void *mail) {
mbed_official	49:77c8e4604045	1862	if (queue_id == NULL) return osErrorParameter;
mbed_official	49:77c8e4604045	1863	if (mail == NULL) return osErrorValue;
mbed_official	49:77c8e4604045	1864	return osMessagePut(((void *)queue_id), (uint32_t)mail, 0);
mbed_official	49:77c8e4604045	1865	}
mbed_official	49:77c8e4604045	1866
mbed_official	72:83895f30f8f2	1867	#ifdef __CC_ARM
mbed_official	70:3295e347fd88	1868	#pragma push
mbed_official	70:3295e347fd88	1869	#pragma Ospace
mbed_official	70:3295e347fd88	1870	#endif // __arm__
mbed_official	49:77c8e4604045	1871	/// Get a mail from a queue
mbed_official	49:77c8e4604045	1872	os_InRegs osEvent osMailGet (osMailQId queue_id, uint32_t millisec) {
mbed_official	49:77c8e4604045	1873	osEvent ret;
mbed_official	49:77c8e4604045	1874
mbed_official	49:77c8e4604045	1875	if (queue_id == NULL) {
mbed_official	49:77c8e4604045	1876	ret.status = osErrorParameter;
mbed_official	49:77c8e4604045	1877	return ret;
mbed_official	49:77c8e4604045	1878	}
mbed_official	49:77c8e4604045	1879
mbed_official	49:77c8e4604045	1880	ret = osMessageGet(((void *)queue_id), millisec);
mbed_official	49:77c8e4604045	1881	if (ret.status == osEventMessage) ret.status = osEventMail;
mbed_official	49:77c8e4604045	1882
mbed_official	49:77c8e4604045	1883	return ret;
mbed_official	49:77c8e4604045	1884	}
mbed_official	72:83895f30f8f2	1885	#ifdef __CC_ARM
mbed_official	70:3295e347fd88	1886	#pragma pop
mbed_official	70:3295e347fd88	1887	#endif // __arm__