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Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_KPSDK_CODE/drivers/interrupt/src/fsl_interrupt_manager.c@324:406fd2029f23, 2014-09-18 (annotated)

Committer:
mbed_official
Date:
Thu Sep 18 14:00:17 2014 +0100
Revision:
324:406fd2029f23
Parent:
168:cf9372ac0a74 
Synchronized with git revision a73f28e6fbca9559fbed2726410eeb4c0534a4a5



Full URL: https://github.com/mbedmicro/mbed/commit/a73f28e6fbca9559fbed2726410eeb4c0534a4a5/



Extended #476, which does not break ethernet for K64F

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 168:cf9372ac0a74 1 /*
mbed_official 168:cf9372ac0a74 2 * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
mbed_official 168:cf9372ac0a74 3 * All rights reserved.
mbed_official 168:cf9372ac0a74 4 *
mbed_official 168:cf9372ac0a74 5 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 168:cf9372ac0a74 6 * are permitted provided that the following conditions are met:
mbed_official 168:cf9372ac0a74 7 *
mbed_official 168:cf9372ac0a74 8 * o Redistributions of source code must retain the above copyright notice, this list
mbed_official 168:cf9372ac0a74 9 * of conditions and the following disclaimer.
mbed_official 168:cf9372ac0a74 10 *
mbed_official 168:cf9372ac0a74 11 * o Redistributions in binary form must reproduce the above copyright notice, this
mbed_official 168:cf9372ac0a74 12 * list of conditions and the following disclaimer in the documentation and/or
mbed_official 168:cf9372ac0a74 13 * other materials provided with the distribution.
mbed_official 168:cf9372ac0a74 14 *
mbed_official 168:cf9372ac0a74 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
mbed_official 168:cf9372ac0a74 16 * contributors may be used to endorse or promote products derived from this
mbed_official 168:cf9372ac0a74 17 * software without specific prior written permission.
mbed_official 168:cf9372ac0a74 18 *
mbed_official 168:cf9372ac0a74 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
mbed_official 168:cf9372ac0a74 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
mbed_official 168:cf9372ac0a74 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 168:cf9372ac0a74 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
mbed_official 168:cf9372ac0a74 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
mbed_official 168:cf9372ac0a74 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
mbed_official 168:cf9372ac0a74 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
mbed_official 168:cf9372ac0a74 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mbed_official 168:cf9372ac0a74 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
mbed_official 168:cf9372ac0a74 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 168:cf9372ac0a74 29 */
mbed_official 168:cf9372ac0a74 30
mbed_official 168:cf9372ac0a74 31 #include <assert.h>
mbed_official 168:cf9372ac0a74 32 #include "fsl_interrupt_manager.h"
mbed_official 168:cf9372ac0a74 33
mbed_official 168:cf9372ac0a74 34 /*******************************************************************************
mbed_official 168:cf9372ac0a74 35 * Definitions
mbed_official 168:cf9372ac0a74 36 ******************************************************************************/
mbed_official 168:cf9372ac0a74 37
mbed_official 168:cf9372ac0a74 38 /*!
mbed_official 168:cf9372ac0a74 39 * @brief Counter to manage the nested callings of global disable/enable interrupt.
mbed_official 168:cf9372ac0a74 40 */
mbed_official 324:406fd2029f23 41 uint32_t g_interruptDisableCount = 0;
mbed_official 168:cf9372ac0a74 42
mbed_official 168:cf9372ac0a74 43 /*******************************************************************************
mbed_official 168:cf9372ac0a74 44 * Code
mbed_official 168:cf9372ac0a74 45 ******************************************************************************/
mbed_official 168:cf9372ac0a74 46
mbed_official 168:cf9372ac0a74 47 /*FUNCTION**********************************************************************
mbed_official 168:cf9372ac0a74 48 *
mbed_official 324:406fd2029f23 49 * Function Name : INT_SYS_InstallHandler
mbed_official 168:cf9372ac0a74 50 * Description : Install an interrupt handler routine for a given IRQ number
mbed_official 168:cf9372ac0a74 51 * This function will let application to register/replace the interrupt
mbed_official 168:cf9372ac0a74 52 * handler for specified IRQ number. IRQ number is different with Vector
mbed_official 168:cf9372ac0a74 53 * number. IRQ 0 will start from Vector 16 address. Refer to reference
mbed_official 168:cf9372ac0a74 54 * manual for details. Also refer to startup_MKxxxx.s file for each chip
mbed_official 168:cf9372ac0a74 55 * family to find out the default interrut handler for each device. This
mbed_official 168:cf9372ac0a74 56 * function will convert the IRQ number to vector number by adding 16 to
mbed_official 168:cf9372ac0a74 57 * it.
mbed_official 168:cf9372ac0a74 58 *
mbed_official 168:cf9372ac0a74 59 *END**************************************************************************/
mbed_official 324:406fd2029f23 60 void INT_SYS_InstallHandler(IRQn_Type irqNumber, void (*handler)(void))
mbed_official 168:cf9372ac0a74 61 {
mbed_official 324:406fd2029f23 62 #if (defined(KEIL))
mbed_official 324:406fd2029f23 63 extern uint32_t Image$$VECTOR_RAM$$Base[];
mbed_official 324:406fd2029f23 64 #define __VECTOR_RAM Image$$VECTOR_RAM$$Base
mbed_official 324:406fd2029f23 65 #else
mbed_official 324:406fd2029f23 66 extern uint32_t __VECTOR_RAM[];
mbed_official 324:406fd2029f23 67 #endif
mbed_official 324:406fd2029f23 68
mbed_official 324:406fd2029f23 69 /* check IRQ number */
mbed_official 324:406fd2029f23 70 assert(FSL_FEATURE_INTERRUPT_IRQ_MIN <= irqNumber);
mbed_official 324:406fd2029f23 71 assert(irqNumber <= FSL_FEATURE_INTERRUPT_IRQ_MAX);
mbed_official 324:406fd2029f23 72
mbed_official 324:406fd2029f23 73 /* set handler into vector table*/
mbed_official 324:406fd2029f23 74 __VECTOR_RAM[irqNumber + 16] = (uint32_t)handler;
mbed_official 168:cf9372ac0a74 75 }
mbed_official 168:cf9372ac0a74 76
mbed_official 168:cf9372ac0a74 77 /*FUNCTION**********************************************************************
mbed_official 168:cf9372ac0a74 78 *
mbed_official 324:406fd2029f23 79 * Function Name : INT_SYS_EnableIRQGlobal
mbed_official 168:cf9372ac0a74 80 * Description : Enable system interrupt
mbed_official 168:cf9372ac0a74 81 * This function will enable the global interrupt by calling the core API
mbed_official 168:cf9372ac0a74 82 *
mbed_official 168:cf9372ac0a74 83 *END**************************************************************************/
mbed_official 324:406fd2029f23 84 void INT_SYS_EnableIRQGlobal(void)
mbed_official 168:cf9372ac0a74 85 {
mbed_official 168:cf9372ac0a74 86 /* check and update */
mbed_official 324:406fd2029f23 87 if (g_interruptDisableCount > 0)
mbed_official 168:cf9372ac0a74 88 {
mbed_official 324:406fd2029f23 89 g_interruptDisableCount--;
mbed_official 168:cf9372ac0a74 90
mbed_official 324:406fd2029f23 91 if (g_interruptDisableCount > 0)
mbed_official 168:cf9372ac0a74 92 {
mbed_official 168:cf9372ac0a74 93 return;
mbed_official 168:cf9372ac0a74 94 }
mbed_official 168:cf9372ac0a74 95
mbed_official 168:cf9372ac0a74 96 /* call core API to enable the global interrupt*/
mbed_official 168:cf9372ac0a74 97 __enable_irq();
mbed_official 168:cf9372ac0a74 98 }
mbed_official 168:cf9372ac0a74 99 }
mbed_official 168:cf9372ac0a74 100
mbed_official 168:cf9372ac0a74 101 /*FUNCTION**********************************************************************
mbed_official 168:cf9372ac0a74 102 *
mbed_official 324:406fd2029f23 103 * Function Name : INT_SYS_DisableIRQGlobal
mbed_official 168:cf9372ac0a74 104 * Description : Disnable system interrupt
mbed_official 168:cf9372ac0a74 105 * This function will disable the global interrupt by calling the core API
mbed_official 168:cf9372ac0a74 106 *
mbed_official 168:cf9372ac0a74 107 *END**************************************************************************/
mbed_official 324:406fd2029f23 108 void INT_SYS_DisableIRQGlobal(void)
mbed_official 168:cf9372ac0a74 109 {
mbed_official 168:cf9372ac0a74 110 /* call core API to disable the global interrupt*/
mbed_official 168:cf9372ac0a74 111 __disable_irq();
mbed_official 168:cf9372ac0a74 112
mbed_official 168:cf9372ac0a74 113 /* update counter*/
mbed_official 324:406fd2029f23 114 g_interruptDisableCount++;
mbed_official 168:cf9372ac0a74 115 }
mbed_official 168:cf9372ac0a74 116
mbed_official 168:cf9372ac0a74 117 /*******************************************************************************
mbed_official 168:cf9372ac0a74 118 * EOF
mbed_official 168:cf9372ac0a74 119 ******************************************************************************/
mbed_official 168:cf9372ac0a74 120