AndroidAccessory - Library to allow your mbed device to communicate …

Users » richbayliss » Code » AndroidAccessory

Library to allow your mbed device to communicate with the Android ADK.

USBHost_log.cpp@3:ca0516beb781, 2011-07-12 (annotated)

Committer:: richbayliss
Date:: Tue Jul 12 17:36:58 2011 +0000
Revision:: 3:ca0516beb781
Parent:: 0:8a0d4584ca86

Who changed what in which revision?

User	Revision	Line number	New contents of line
richbayliss	0:8a0d4584ca86	1
richbayliss	0:8a0d4584ca86	2	/*
richbayliss	0:8a0d4584ca86	3	Copyright (c) 2010 Peter Barrett
richbayliss	0:8a0d4584ca86	4
richbayliss	0:8a0d4584ca86	5	Permission is hereby granted, free of charge, to any person obtaining a copy
richbayliss	0:8a0d4584ca86	6	of this software and associated documentation files (the "Software"), to deal
richbayliss	0:8a0d4584ca86	7	in the Software without restriction, including without limitation the rights
richbayliss	0:8a0d4584ca86	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
richbayliss	0:8a0d4584ca86	9	copies of the Software, and to permit persons to whom the Software is
richbayliss	0:8a0d4584ca86	10	furnished to do so, subject to the following conditions:
richbayliss	0:8a0d4584ca86	11
richbayliss	0:8a0d4584ca86	12	The above copyright notice and this permission notice shall be included in
richbayliss	0:8a0d4584ca86	13	all copies or substantial portions of the Software.
richbayliss	0:8a0d4584ca86	14
richbayliss	0:8a0d4584ca86	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
richbayliss	0:8a0d4584ca86	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
richbayliss	0:8a0d4584ca86	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
richbayliss	0:8a0d4584ca86	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
richbayliss	0:8a0d4584ca86	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
richbayliss	0:8a0d4584ca86	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
richbayliss	0:8a0d4584ca86	21	THE SOFTWARE.
richbayliss	0:8a0d4584ca86	22	*/
richbayliss	0:8a0d4584ca86	23
richbayliss	0:8a0d4584ca86	24
richbayliss	0:8a0d4584ca86	25	#include "mbed.h"
richbayliss	0:8a0d4584ca86	26	#include "USBHost.h"
richbayliss	0:8a0d4584ca86	27	//#define USBHOST_LOG
richbayliss	0:8a0d4584ca86	28	#ifdef USBHOST_LOG
richbayliss	0:8a0d4584ca86	29
richbayliss	0:8a0d4584ca86	30	// Config (default uses x bytes)
richbayliss	0:8a0d4584ca86	31	#define MAX_DEVICES 8 // Max number of devices
richbayliss	0:8a0d4584ca86	32	#define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
richbayliss	0:8a0d4584ca86	33	#define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
richbayliss	0:8a0d4584ca86	34
richbayliss	0:8a0d4584ca86	35	#define USBLOG 1
richbayliss	0:8a0d4584ca86	36	#if USBLOG
richbayliss	0:8a0d4584ca86	37	#define LOG(...) printf(__VA_ARGS__)
richbayliss	0:8a0d4584ca86	38	#else
richbayliss	0:8a0d4584ca86	39	#define LOG(...) do {} while(0)
richbayliss	0:8a0d4584ca86	40	#endif
richbayliss	0:8a0d4584ca86	41
richbayliss	0:8a0d4584ca86	42	// USB host structures
richbayliss	0:8a0d4584ca86	43
richbayliss	0:8a0d4584ca86	44	#define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
richbayliss	0:8a0d4584ca86	45	#define USB_RAM_BASE 0x2007C000
richbayliss	0:8a0d4584ca86	46
richbayliss	0:8a0d4584ca86	47	#define TOKEN_SETUP 0
richbayliss	0:8a0d4584ca86	48	#define TOKEN_IN 1
richbayliss	0:8a0d4584ca86	49	#define TOKEN_OUT 2
richbayliss	0:8a0d4584ca86	50
richbayliss	0:8a0d4584ca86	51	// Status flags from hub
richbayliss	0:8a0d4584ca86	52	#define PORT_CONNECTION 0
richbayliss	0:8a0d4584ca86	53	#define PORT_ENABLE 1
richbayliss	0:8a0d4584ca86	54	#define PORT_SUSPEND 2
richbayliss	0:8a0d4584ca86	55	#define PORT_OVER_CURRENT 3
richbayliss	0:8a0d4584ca86	56	#define PORT_RESET 4
richbayliss	0:8a0d4584ca86	57	#define PORT_POWER 8
richbayliss	0:8a0d4584ca86	58	#define PORT_LOW_SPEED 9
richbayliss	0:8a0d4584ca86	59
richbayliss	0:8a0d4584ca86	60	#define C_PORT_CONNECTION 16
richbayliss	0:8a0d4584ca86	61	#define C_PORT_ENABLE 17
richbayliss	0:8a0d4584ca86	62	#define C_PORT_SUSPEND 18
richbayliss	0:8a0d4584ca86	63	#define C_PORT_OVER_CURRENT 19
richbayliss	0:8a0d4584ca86	64	#define C_PORT_RESET 20
richbayliss	0:8a0d4584ca86	65
richbayliss	0:8a0d4584ca86	66	typedef struct {
richbayliss	0:8a0d4584ca86	67	u8 bm_request_type;
richbayliss	0:8a0d4584ca86	68	u8 b_request;
richbayliss	0:8a0d4584ca86	69	u16 w_value;
richbayliss	0:8a0d4584ca86	70	u16 w_index;
richbayliss	0:8a0d4584ca86	71	u16 w_length;
richbayliss	0:8a0d4584ca86	72	} Setup;
richbayliss	0:8a0d4584ca86	73
richbayliss	0:8a0d4584ca86	74
richbayliss	0:8a0d4584ca86	75	// Hub stuff is kept private just to keep api simple
richbayliss	0:8a0d4584ca86	76	int SetPortFeature(int device, int feature, int index);
richbayliss	0:8a0d4584ca86	77	int ClearPortFeature(int device, int feature, int index);
richbayliss	0:8a0d4584ca86	78	int SetPortPower(int device, int port);
richbayliss	0:8a0d4584ca86	79	int SetPortReset(int device, int port);
richbayliss	0:8a0d4584ca86	80	int GetPortStatus(int device, int port, u32* status);
richbayliss	0:8a0d4584ca86	81
richbayliss	0:8a0d4584ca86	82	//===================================================================
richbayliss	0:8a0d4584ca86	83	//===================================================================
richbayliss	0:8a0d4584ca86	84	// Hardware defines
richbayliss	0:8a0d4584ca86	85
richbayliss	0:8a0d4584ca86	86	// HcControl
richbayliss	0:8a0d4584ca86	87	#define PeriodicListEnable 0x00000004
richbayliss	0:8a0d4584ca86	88	#define IsochronousEnable 0x00000008
richbayliss	0:8a0d4584ca86	89	#define ControlListEnable 0x00000010
richbayliss	0:8a0d4584ca86	90	#define BulkListEnable 0x00000020
richbayliss	0:8a0d4584ca86	91	#define OperationalMask 0x00000080
richbayliss	0:8a0d4584ca86	92	#define HostControllerFunctionalState 0x000000C0
richbayliss	0:8a0d4584ca86	93
richbayliss	0:8a0d4584ca86	94	// HcCommandStatus
richbayliss	0:8a0d4584ca86	95	#define HostControllerReset 0x00000001
richbayliss	0:8a0d4584ca86	96	#define ControlListFilled 0x00000002
richbayliss	0:8a0d4584ca86	97	#define BulkListFilled 0x00000004
richbayliss	0:8a0d4584ca86	98
richbayliss	0:8a0d4584ca86	99	// HcInterruptStatus Register
richbayliss	0:8a0d4584ca86	100	#define WritebackDoneHead 0x00000002
richbayliss	0:8a0d4584ca86	101	#define StartofFrame 0x00000004
richbayliss	0:8a0d4584ca86	102	#define ResumeDetected 0x00000008
richbayliss	0:8a0d4584ca86	103	#define UnrecoverableError 0x00000010
richbayliss	0:8a0d4584ca86	104	#define FrameNumberOverflow 0x00000020
richbayliss	0:8a0d4584ca86	105	#define RootHubStatusChange 0x00000040
richbayliss	0:8a0d4584ca86	106	#define OwnershipChange 0x00000080
richbayliss	0:8a0d4584ca86	107	#define MasterInterruptEnable 0x80000000
richbayliss	0:8a0d4584ca86	108
richbayliss	0:8a0d4584ca86	109	// HcRhStatus
richbayliss	0:8a0d4584ca86	110	#define SetGlobalPower 0x00010000
richbayliss	0:8a0d4584ca86	111	#define DeviceRemoteWakeupEnable 0x00008000
richbayliss	0:8a0d4584ca86	112
richbayliss	0:8a0d4584ca86	113	// HcRhPortStatus (hub 0, port 1)
richbayliss	0:8a0d4584ca86	114	#define CurrentConnectStatus 0x00000001
richbayliss	0:8a0d4584ca86	115	#define PortEnableStatus 0x00000002
richbayliss	0:8a0d4584ca86	116	#define PortSuspendStatus 0x00000004
richbayliss	0:8a0d4584ca86	117	#define PortOverCurrentIndicator 0x00000008
richbayliss	0:8a0d4584ca86	118	#define PortResetStatus 0x00000010
richbayliss	0:8a0d4584ca86	119
richbayliss	0:8a0d4584ca86	120	#define PortPowerStatus 0x00000100
richbayliss	0:8a0d4584ca86	121	#define LowspeedDevice 0x00000200
richbayliss	0:8a0d4584ca86	122	#define HighspeedDevice 0x00000400
richbayliss	0:8a0d4584ca86	123
richbayliss	0:8a0d4584ca86	124	#define ConnectStatusChange (CurrentConnectStatus << 16)
richbayliss	0:8a0d4584ca86	125	#define PortResetStatusChange (PortResetStatus << 16)
richbayliss	0:8a0d4584ca86	126
richbayliss	0:8a0d4584ca86	127
richbayliss	0:8a0d4584ca86	128	#define TD_ROUNDING (u32)0x00040000
richbayliss	0:8a0d4584ca86	129	#define TD_SETUP (u32)0x00000000
richbayliss	0:8a0d4584ca86	130	#define TD_IN (u32)0x00100000
richbayliss	0:8a0d4584ca86	131	#define TD_OUT (u32)0x00080000
richbayliss	0:8a0d4584ca86	132	#define TD_DELAY_INT(x) (u32)((x) << 21)
richbayliss	0:8a0d4584ca86	133	#define TD_TOGGLE_0 (u32)0x02000000
richbayliss	0:8a0d4584ca86	134	#define TD_TOGGLE_1 (u32)0x03000000
richbayliss	0:8a0d4584ca86	135	#define TD_CC (u32)0xF0000000
richbayliss	0:8a0d4584ca86	136
richbayliss	0:8a0d4584ca86	137	// HostController EndPoint Descriptor
richbayliss	0:8a0d4584ca86	138	typedef struct {
richbayliss	0:8a0d4584ca86	139	volatile u32 Control;
richbayliss	0:8a0d4584ca86	140	volatile u32 TailTd;
richbayliss	0:8a0d4584ca86	141	volatile u32 HeadTd;
richbayliss	0:8a0d4584ca86	142	volatile u32 Next;
richbayliss	0:8a0d4584ca86	143	} HCED;
richbayliss	0:8a0d4584ca86	144
richbayliss	0:8a0d4584ca86	145	// HostController Transfer Descriptor
richbayliss	0:8a0d4584ca86	146	typedef struct {
richbayliss	0:8a0d4584ca86	147	volatile u32 Control;
richbayliss	0:8a0d4584ca86	148	volatile u32 CurrBufPtr;
richbayliss	0:8a0d4584ca86	149	volatile u32 Next;
richbayliss	0:8a0d4584ca86	150	volatile u32 BufEnd;
richbayliss	0:8a0d4584ca86	151	} HCTD;
richbayliss	0:8a0d4584ca86	152
richbayliss	0:8a0d4584ca86	153	// Host Controller Communication Area
richbayliss	0:8a0d4584ca86	154	typedef struct {
richbayliss	0:8a0d4584ca86	155	volatile u32 InterruptTable[32];
richbayliss	0:8a0d4584ca86	156	volatile u16 FrameNumber;
richbayliss	0:8a0d4584ca86	157	volatile u16 FrameNumberPad;
richbayliss	0:8a0d4584ca86	158	volatile u32 DoneHead;
richbayliss	0:8a0d4584ca86	159	volatile u8 Reserved[120];
richbayliss	0:8a0d4584ca86	160	} HCCA;
richbayliss	0:8a0d4584ca86	161
richbayliss	0:8a0d4584ca86	162	//====================================================================================
richbayliss	0:8a0d4584ca86	163	//====================================================================================
richbayliss	0:8a0d4584ca86	164
richbayliss	0:8a0d4584ca86	165	class HostController;
richbayliss	0:8a0d4584ca86	166	class Endpoint;
richbayliss	0:8a0d4584ca86	167	class Device;
richbayliss	0:8a0d4584ca86	168
richbayliss	0:8a0d4584ca86	169	// must be 3*16 bytes long
richbayliss	0:8a0d4584ca86	170	class Endpoint
richbayliss	0:8a0d4584ca86	171	{
richbayliss	0:8a0d4584ca86	172	public:
richbayliss	0:8a0d4584ca86	173	HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
richbayliss	0:8a0d4584ca86	174	HCTD TDHead;
richbayliss	0:8a0d4584ca86	175
richbayliss	0:8a0d4584ca86	176	enum State
richbayliss	0:8a0d4584ca86	177	{
richbayliss	0:8a0d4584ca86	178	Free,
richbayliss	0:8a0d4584ca86	179	NotQueued,
richbayliss	0:8a0d4584ca86	180	Idle,
richbayliss	0:8a0d4584ca86	181	SetupQueued,
richbayliss	0:8a0d4584ca86	182	DataQueued,
richbayliss	0:8a0d4584ca86	183	StatusQueued,
richbayliss	0:8a0d4584ca86	184	CallbackPending
richbayliss	0:8a0d4584ca86	185	};
richbayliss	0:8a0d4584ca86	186
richbayliss	0:8a0d4584ca86	187	volatile u8 CurrentState;
richbayliss	0:8a0d4584ca86	188	u8 Flags; // 0x80 In, 0x03 mask endpoint type
richbayliss	0:8a0d4584ca86	189
richbayliss	0:8a0d4584ca86	190	u16 Length;
richbayliss	0:8a0d4584ca86	191	u8* Data;
richbayliss	0:8a0d4584ca86	192	USBCallback Callback; // Must be a multiple of 16 bytes long
richbayliss	0:8a0d4584ca86	193	void* UserData;
richbayliss	0:8a0d4584ca86	194
richbayliss	0:8a0d4584ca86	195	int Address()
richbayliss	0:8a0d4584ca86	196	{
richbayliss	0:8a0d4584ca86	197	int ep = (EndpointDescriptor.Control >> 7) & 0xF;
richbayliss	0:8a0d4584ca86	198	if (ep)
richbayliss	0:8a0d4584ca86	199	ep \|= Flags & 0x80;
richbayliss	0:8a0d4584ca86	200	return ep;
richbayliss	0:8a0d4584ca86	201	}
richbayliss	0:8a0d4584ca86	202
richbayliss	0:8a0d4584ca86	203	int Device()
richbayliss	0:8a0d4584ca86	204	{
richbayliss	0:8a0d4584ca86	205	return EndpointDescriptor.Control & 0x7F;
richbayliss	0:8a0d4584ca86	206	}
richbayliss	0:8a0d4584ca86	207
richbayliss	0:8a0d4584ca86	208	int Status()
richbayliss	0:8a0d4584ca86	209	{
richbayliss	0:8a0d4584ca86	210	return (TDHead.Control >> 28) & 0xF;
richbayliss	0:8a0d4584ca86	211	}
richbayliss	0:8a0d4584ca86	212
richbayliss	0:8a0d4584ca86	213	u32 Enqueue(u32 head)
richbayliss	0:8a0d4584ca86	214	{
richbayliss	0:8a0d4584ca86	215	if (CurrentState == NotQueued)
richbayliss	0:8a0d4584ca86	216	{
richbayliss	0:8a0d4584ca86	217	EndpointDescriptor.Next = head;
richbayliss	0:8a0d4584ca86	218	head = (u32)&EndpointDescriptor;
richbayliss	0:8a0d4584ca86	219	CurrentState = Idle;
richbayliss	0:8a0d4584ca86	220	}
richbayliss	0:8a0d4584ca86	221	return head;
richbayliss	0:8a0d4584ca86	222	}
richbayliss	0:8a0d4584ca86	223	};
richbayliss	0:8a0d4584ca86	224
richbayliss	0:8a0d4584ca86	225	class Device
richbayliss	0:8a0d4584ca86	226	{
richbayliss	0:8a0d4584ca86	227	public:
richbayliss	0:8a0d4584ca86	228	u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
richbayliss	0:8a0d4584ca86	229	u8 Hub;
richbayliss	0:8a0d4584ca86	230	u8 Port;
richbayliss	0:8a0d4584ca86	231	u8 Addr;
richbayliss	0:8a0d4584ca86	232	u8 Pad;
richbayliss	0:8a0d4584ca86	233
richbayliss	0:8a0d4584ca86	234	// Only if this device is a hub
richbayliss	0:8a0d4584ca86	235	u8 HubPortCount; // nonzero if this is a hub
richbayliss	0:8a0d4584ca86	236	u8 HubInterruptData;
richbayliss	0:8a0d4584ca86	237	u8 HubMap;
richbayliss	0:8a0d4584ca86	238	u8 HubMask;
richbayliss	0:8a0d4584ca86	239
richbayliss	0:8a0d4584ca86	240	int Flags; // 1 = Disconnected
richbayliss	0:8a0d4584ca86	241
richbayliss	0:8a0d4584ca86	242	Setup SetupBuffer;
richbayliss	0:8a0d4584ca86	243
richbayliss	0:8a0d4584ca86	244	// Allocate endpoint zero
richbayliss	0:8a0d4584ca86	245	int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
richbayliss	0:8a0d4584ca86	246	{
richbayliss	0:8a0d4584ca86	247	Hub = hub;
richbayliss	0:8a0d4584ca86	248	Port = port;
richbayliss	0:8a0d4584ca86	249	Addr = addr;
richbayliss	0:8a0d4584ca86	250	Flags = lowSpeed;
richbayliss	0:8a0d4584ca86	251	memset(_endpointMap,0xFF,sizeof(_endpointMap));
richbayliss	0:8a0d4584ca86	252	return 0;
richbayliss	0:8a0d4584ca86	253	}
richbayliss	0:8a0d4584ca86	254
richbayliss	0:8a0d4584ca86	255	int SetEndpointIndex(int ep, int endpointIndex)
richbayliss	0:8a0d4584ca86	256	{
richbayliss	0:8a0d4584ca86	257	for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
richbayliss	0:8a0d4584ca86	258	{
richbayliss	0:8a0d4584ca86	259	if (_endpointMap[i] == 0xFF) // Add endpoint to map
richbayliss	0:8a0d4584ca86	260	{
richbayliss	0:8a0d4584ca86	261	_endpointMap[i] = ep;
richbayliss	0:8a0d4584ca86	262	_endpointMap[i+1] = endpointIndex;
richbayliss	0:8a0d4584ca86	263	return 0;
richbayliss	0:8a0d4584ca86	264	}
richbayliss	0:8a0d4584ca86	265	}
richbayliss	0:8a0d4584ca86	266	return ERR_ENDPOINT_NONE_LEFT;
richbayliss	0:8a0d4584ca86	267	}
richbayliss	0:8a0d4584ca86	268
richbayliss	0:8a0d4584ca86	269	int GetEndpointIndex(int ep)
richbayliss	0:8a0d4584ca86	270	{
richbayliss	0:8a0d4584ca86	271	for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
richbayliss	0:8a0d4584ca86	272	{
richbayliss	0:8a0d4584ca86	273	if (_endpointMap[i] == ep)
richbayliss	0:8a0d4584ca86	274	return _endpointMap[i+1];
richbayliss	0:8a0d4584ca86	275	if (_endpointMap[i] == 0xFF)
richbayliss	0:8a0d4584ca86	276	break;
richbayliss	0:8a0d4584ca86	277	}
richbayliss	0:8a0d4584ca86	278	return -1;
richbayliss	0:8a0d4584ca86	279	}
richbayliss	0:8a0d4584ca86	280	};
richbayliss	0:8a0d4584ca86	281
richbayliss	0:8a0d4584ca86	282	class HostController
richbayliss	0:8a0d4584ca86	283	{
richbayliss	0:8a0d4584ca86	284	public:
richbayliss	0:8a0d4584ca86	285	HCCA CommunicationArea;
richbayliss	0:8a0d4584ca86	286	Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
richbayliss	0:8a0d4584ca86	287
richbayliss	0:8a0d4584ca86	288	Endpoint EndpointZero; // For device enumeration
richbayliss	0:8a0d4584ca86	289	HCTD _commonTail;
richbayliss	0:8a0d4584ca86	290	Setup _setupZero;
richbayliss	0:8a0d4584ca86	291
richbayliss	0:8a0d4584ca86	292	Device Devices[MAX_DEVICES];
richbayliss	0:8a0d4584ca86	293	u32 _frameNumber; // 32 bit ms counter
richbayliss	0:8a0d4584ca86	294
richbayliss	0:8a0d4584ca86	295	u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
richbayliss	0:8a0d4584ca86	296	u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
richbayliss	0:8a0d4584ca86	297	u8 _unused0;
richbayliss	0:8a0d4584ca86	298	u8 _unused1;
richbayliss	0:8a0d4584ca86	299
richbayliss	0:8a0d4584ca86	300	u8 _connectPending; // Reset has initiated a connect
richbayliss	0:8a0d4584ca86	301	u8 _connectCountdown; // Number of ms left after reset before we can connect
richbayliss	0:8a0d4584ca86	302	u8 _connectHub; // Will connect on this hub
richbayliss	0:8a0d4584ca86	303	u8 _connectPort; // ... and this port
richbayliss	0:8a0d4584ca86	304
richbayliss	0:8a0d4584ca86	305	u8 SRAM[0]; // Start of free SRAM
richbayliss	0:8a0d4584ca86	306
richbayliss	0:8a0d4584ca86	307	void Loop()
richbayliss	0:8a0d4584ca86	308	{
richbayliss	0:8a0d4584ca86	309	// printf("Enter Loop \r\n");
richbayliss	0:8a0d4584ca86	310	u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
richbayliss	0:8a0d4584ca86	311	_frameNumber += elapsed;
richbayliss	0:8a0d4584ca86	312
richbayliss	0:8a0d4584ca86	313	// Do callbacks, if any
richbayliss	0:8a0d4584ca86	314	while (_callbacksPending)
richbayliss	0:8a0d4584ca86	315	{
richbayliss	0:8a0d4584ca86	316	for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
richbayliss	0:8a0d4584ca86	317	{
richbayliss	0:8a0d4584ca86	318	Endpoint* endpoint = Endpoints + i;
richbayliss	0:8a0d4584ca86	319	if (endpoint->CurrentState == Endpoint::CallbackPending)
richbayliss	0:8a0d4584ca86	320	{
richbayliss	0:8a0d4584ca86	321	_callbacksPending--;
richbayliss	0:8a0d4584ca86	322	endpoint->CurrentState = Endpoint::Idle;
richbayliss	0:8a0d4584ca86	323	LOG("CurrentState Change Idle endpoint(%d) currentState =%d\r\n",endpoint->Address(),endpoint->CurrentState);
richbayliss	0:8a0d4584ca86	324	endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
richbayliss	0:8a0d4584ca86	325	}
richbayliss	0:8a0d4584ca86	326	}
richbayliss	0:8a0d4584ca86	327	}
richbayliss	0:8a0d4584ca86	328
richbayliss	0:8a0d4584ca86	329	// Deal with changes on the root hub
richbayliss	0:8a0d4584ca86	330	if (_rootHubStatusChange)
richbayliss	0:8a0d4584ca86	331	{
richbayliss	0:8a0d4584ca86	332	u32 status = LPC_USB->HcRhPortStatus1;
richbayliss	0:8a0d4584ca86	333	_rootHubStatusChange = 0;
richbayliss	0:8a0d4584ca86	334	if (status >> 16)
richbayliss	0:8a0d4584ca86	335	{
richbayliss	0:8a0d4584ca86	336	HubStatusChange(0,1,status);
richbayliss	0:8a0d4584ca86	337	LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
richbayliss	0:8a0d4584ca86	338	}
richbayliss	0:8a0d4584ca86	339	}
richbayliss	0:8a0d4584ca86	340
richbayliss	0:8a0d4584ca86	341	// Connect after reset timeout
richbayliss	0:8a0d4584ca86	342	if (_connectCountdown)
richbayliss	0:8a0d4584ca86	343	{
richbayliss	0:8a0d4584ca86	344	if (elapsed >= _connectCountdown)
richbayliss	0:8a0d4584ca86	345	{
richbayliss	0:8a0d4584ca86	346	_connectCountdown = 0;
richbayliss	0:8a0d4584ca86	347	Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
richbayliss	0:8a0d4584ca86	348	} else
richbayliss	0:8a0d4584ca86	349	_connectCountdown -= elapsed;
richbayliss	0:8a0d4584ca86	350	}
richbayliss	0:8a0d4584ca86	351
richbayliss	0:8a0d4584ca86	352	// printf("Outer Loop \r\n");
richbayliss	0:8a0d4584ca86	353	}
richbayliss	0:8a0d4584ca86	354
richbayliss	0:8a0d4584ca86	355	// HubInterrupt - bitmap in dev->HubInterruptData
richbayliss	0:8a0d4584ca86	356	void HubInterrupt(int device)
richbayliss	0:8a0d4584ca86	357	{
richbayliss	0:8a0d4584ca86	358	Device* dev = &Devices[device-1];
richbayliss	0:8a0d4584ca86	359	for (int i = 0; i < dev->HubPortCount; i++)
richbayliss	0:8a0d4584ca86	360	{
richbayliss	0:8a0d4584ca86	361	int port = i+1;
richbayliss	0:8a0d4584ca86	362	if (dev->HubInterruptData & (1 << port))
richbayliss	0:8a0d4584ca86	363	{
richbayliss	0:8a0d4584ca86	364	u32 status = 0;
richbayliss	0:8a0d4584ca86	365	GetPortStatus(device,port,&status);
richbayliss	0:8a0d4584ca86	366	if (status >> 16)
richbayliss	0:8a0d4584ca86	367	{
richbayliss	0:8a0d4584ca86	368	if (_connectPending && (status & ConnectStatusChange))
richbayliss	0:8a0d4584ca86	369	continue; // Don't connect again until previous device has been added and addressed
richbayliss	0:8a0d4584ca86	370
richbayliss	0:8a0d4584ca86	371	HubStatusChange(device,port,status);
richbayliss	0:8a0d4584ca86	372	if (status & ConnectStatusChange)
richbayliss	0:8a0d4584ca86	373	ClearPortFeature(device,C_PORT_CONNECTION,port);
richbayliss	0:8a0d4584ca86	374	if (status & PortResetStatusChange)
richbayliss	0:8a0d4584ca86	375	ClearPortFeature(device,C_PORT_RESET,port);
richbayliss	0:8a0d4584ca86	376	}
richbayliss	0:8a0d4584ca86	377	}
richbayliss	0:8a0d4584ca86	378	}
richbayliss	0:8a0d4584ca86	379	}
richbayliss	0:8a0d4584ca86	380
richbayliss	0:8a0d4584ca86	381	static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
richbayliss	0:8a0d4584ca86	382	{
richbayliss	0:8a0d4584ca86	383	HostController* controller = (HostController*)userData;
richbayliss	0:8a0d4584ca86	384	if (status == 0)
richbayliss	0:8a0d4584ca86	385	controller->HubInterrupt(device);
richbayliss	0:8a0d4584ca86	386	USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
richbayliss	0:8a0d4584ca86	387	}
richbayliss	0:8a0d4584ca86	388
richbayliss	0:8a0d4584ca86	389	int InitHub(int device)
richbayliss	0:8a0d4584ca86	390	{
richbayliss	0:8a0d4584ca86	391	u8 buf[16];
richbayliss	0:8a0d4584ca86	392	int r= USBControlTransfer(device,DEVICE_TO_HOST \| REQUEST_TYPE_CLASS \| RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
richbayliss	0:8a0d4584ca86	393	if (r < 0)
richbayliss	0:8a0d4584ca86	394	return ERR_HUB_INIT_FAILED;
richbayliss	0:8a0d4584ca86	395
richbayliss	0:8a0d4584ca86	396	// turn on power on the hubs ports
richbayliss	0:8a0d4584ca86	397	Device* dev = &Devices[device-1];
richbayliss	0:8a0d4584ca86	398	int ports = buf[2];
richbayliss	0:8a0d4584ca86	399	dev->HubPortCount = ports;
richbayliss	0:8a0d4584ca86	400	for (int i = 0; i < ports; i++)
richbayliss	0:8a0d4584ca86	401	SetPortPower(device,i+1);
richbayliss	0:8a0d4584ca86	402
richbayliss	0:8a0d4584ca86	403	// Enable hub change interrupts
richbayliss	0:8a0d4584ca86	404	return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
richbayliss	0:8a0d4584ca86	405	}
richbayliss	0:8a0d4584ca86	406
richbayliss	0:8a0d4584ca86	407	int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
richbayliss	0:8a0d4584ca86	408	{
richbayliss	0:8a0d4584ca86	409	LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\r\n",device,ep,attributes,maxPacketSize,interval);
richbayliss	0:8a0d4584ca86	410	Device* dev = &Devices[device-1];
richbayliss	0:8a0d4584ca86	411	Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
richbayliss	0:8a0d4584ca86	412	if (!endpoint)
richbayliss	0:8a0d4584ca86	413	return ERR_ENDPOINT_NONE_LEFT;
richbayliss	0:8a0d4584ca86	414	dev->SetEndpointIndex(ep,endpoint - Endpoints);
richbayliss	0:8a0d4584ca86	415	endpoint->EndpointDescriptor.Control \|= dev->Flags; // Map in slow speed
richbayliss	0:8a0d4584ca86	416	return 0; // TODO ed->bInterval
richbayliss	0:8a0d4584ca86	417	}
richbayliss	0:8a0d4584ca86	418
richbayliss	0:8a0d4584ca86	419	int AddEndpoint(int device, EndpointDescriptor* ed)
richbayliss	0:8a0d4584ca86	420	{
richbayliss	0:8a0d4584ca86	421	return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
richbayliss	0:8a0d4584ca86	422	}
richbayliss	0:8a0d4584ca86	423
richbayliss	0:8a0d4584ca86	424	// allocate a endpoint
richbayliss	0:8a0d4584ca86	425	Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
richbayliss	0:8a0d4584ca86	426	{
richbayliss	0:8a0d4584ca86	427	for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
richbayliss	0:8a0d4584ca86	428	{
richbayliss	0:8a0d4584ca86	429	Endpoint* ep = &Endpoints[i];
richbayliss	0:8a0d4584ca86	430	if (ep->CurrentState == 0)
richbayliss	0:8a0d4584ca86	431	{
richbayliss	0:8a0d4584ca86	432	//LOG("Allocated endpoint %d to %02X:%02X\r\n",i,device,endpointAddress);
richbayliss	0:8a0d4584ca86	433	ep->Flags = (endpointAddress & 0x80) \| (type & 3);
richbayliss	0:8a0d4584ca86	434	ep->CurrentState = Endpoint::NotQueued;
richbayliss	0:8a0d4584ca86	435	ep->EndpointDescriptor.Control = (maxPacketSize << 16) \| ((endpointAddress & 0x7F) << 7) \| device;
richbayliss	0:8a0d4584ca86	436	return ep;
richbayliss	0:8a0d4584ca86	437	}
richbayliss	0:8a0d4584ca86	438	}
richbayliss	0:8a0d4584ca86	439	return 0;
richbayliss	0:8a0d4584ca86	440	}
richbayliss	0:8a0d4584ca86	441
richbayliss	0:8a0d4584ca86	442	Endpoint* GetEndpoint(int device, int ep)
richbayliss	0:8a0d4584ca86	443	{
richbayliss	0:8a0d4584ca86	444	if (device == 0)
richbayliss	0:8a0d4584ca86	445	{
richbayliss	0:8a0d4584ca86	446	//printf("WARNING: USING DEVICE 0\n");
richbayliss	0:8a0d4584ca86	447	return &EndpointZero;
richbayliss	0:8a0d4584ca86	448	}
richbayliss	0:8a0d4584ca86	449	if (device > MAX_DEVICES)
richbayliss	0:8a0d4584ca86	450	return 0;
richbayliss	0:8a0d4584ca86	451	int i = Devices[device-1].GetEndpointIndex(ep);
richbayliss	0:8a0d4584ca86	452	if (i == -1)
richbayliss	0:8a0d4584ca86	453	return 0;
richbayliss	0:8a0d4584ca86	454	return Endpoints + i;
richbayliss	0:8a0d4584ca86	455	}
richbayliss	0:8a0d4584ca86	456
richbayliss	0:8a0d4584ca86	457	int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
richbayliss	0:8a0d4584ca86	458	{
richbayliss	0:8a0d4584ca86	459	//Makoto edit comment out
richbayliss	0:8a0d4584ca86	460	// LOG("Transfer start\r\n");
richbayliss	0:8a0d4584ca86	461	LOG("Transfer ep=%02X Token:%d Len:%d State:%d\r\n",endpoint->Address(),token,len,state);
richbayliss	0:8a0d4584ca86	462
richbayliss	0:8a0d4584ca86	463	int toggle = 0;
richbayliss	0:8a0d4584ca86	464	if (endpoint->Address() == 0)
richbayliss	0:8a0d4584ca86	465	toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
richbayliss	0:8a0d4584ca86	466
richbayliss	0:8a0d4584ca86	467	if (token != TOKEN_SETUP)
richbayliss	0:8a0d4584ca86	468	token = (token == TOKEN_IN ? TD_IN : TD_OUT);
richbayliss	0:8a0d4584ca86	469
richbayliss	0:8a0d4584ca86	470	HCTD* head = &endpoint->TDHead;
richbayliss	0:8a0d4584ca86	471	HCTD* tail = &_commonTail;
richbayliss	0:8a0d4584ca86	472
richbayliss	0:8a0d4584ca86	473	head->Control = TD_ROUNDING \| token \| TD_DELAY_INT(0) \| toggle \| TD_CC;
richbayliss	0:8a0d4584ca86	474	head->CurrBufPtr = (u32)data;
richbayliss	0:8a0d4584ca86	475	head->BufEnd = (u32)(data + len - 1);
richbayliss	0:8a0d4584ca86	476	head->Next = (u32)tail;
richbayliss	0:8a0d4584ca86	477
richbayliss	0:8a0d4584ca86	478	HCED* ed = &endpoint->EndpointDescriptor;
richbayliss	0:8a0d4584ca86	479	ed->HeadTd = (u32)head \| (ed->HeadTd & 0x00000002); // carry toggle
richbayliss	0:8a0d4584ca86	480	ed->TailTd = (u32)tail;
richbayliss	0:8a0d4584ca86	481
richbayliss	0:8a0d4584ca86	482	//HCTD* td = head;
richbayliss	0:8a0d4584ca86	483	//LOG("%04X TD %08X %08X %08X Next:%08X\r\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
richbayliss	0:8a0d4584ca86	484	//LOG("%04X ED %08X %08X %08X\r\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
richbayliss	0:8a0d4584ca86	485
richbayliss	0:8a0d4584ca86	486	//LOG("Transfer run01\r\n");
richbayliss	0:8a0d4584ca86	487	switch (endpoint->Flags & 3)
richbayliss	0:8a0d4584ca86	488	{
richbayliss	0:8a0d4584ca86	489	case ENDPOINT_CONTROL:
richbayliss	0:8a0d4584ca86	490	LOG("Transfer run ENDPOINT_CONTROL\r\n");
richbayliss	0:8a0d4584ca86	491	LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
richbayliss	0:8a0d4584ca86	492	//LOG("Transfer run02\r\n");
richbayliss	0:8a0d4584ca86	493	LOG("endpoint->CurrentState change %d->%d\r\n",endpoint->CurrentState,state);
richbayliss	0:8a0d4584ca86	494	endpoint->CurrentState = state; // Get in before an int
richbayliss	0:8a0d4584ca86	495	LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus \| ControlListFilled;
richbayliss	0:8a0d4584ca86	496	LPC_USB->HcControl = LPC_USB->HcControl \| ControlListEnable;
richbayliss	0:8a0d4584ca86	497
richbayliss	0:8a0d4584ca86	498	break;
richbayliss	0:8a0d4584ca86	499
richbayliss	0:8a0d4584ca86	500	case ENDPOINT_BULK:
richbayliss	0:8a0d4584ca86	501	LOG("Transfer run ENDPOINT_BULK\r\n");
richbayliss	0:8a0d4584ca86	502	LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
richbayliss	0:8a0d4584ca86	503	LOG("endpoint->CurrentState change %d->%d\r\n",endpoint->CurrentState,state);
richbayliss	0:8a0d4584ca86	504	endpoint->CurrentState = state;
richbayliss	0:8a0d4584ca86	505	LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus \| BulkListFilled;
richbayliss	0:8a0d4584ca86	506	LPC_USB->HcControl = LPC_USB->HcControl \| BulkListEnable;
richbayliss	0:8a0d4584ca86	507	break;
richbayliss	0:8a0d4584ca86	508
richbayliss	0:8a0d4584ca86	509	case ENDPOINT_INTERRUPT:
richbayliss	0:8a0d4584ca86	510	LOG("Transfer run ENDPOINT_INTERRUPT\r\n");
richbayliss	0:8a0d4584ca86	511	CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
richbayliss	0:8a0d4584ca86	512	LOG("endpoint->CurrentState change %d->%d\r\n",endpoint->CurrentState,state);
richbayliss	0:8a0d4584ca86	513	endpoint->CurrentState = state;
richbayliss	0:8a0d4584ca86	514	LPC_USB->HcControl \|= PeriodicListEnable;
richbayliss	0:8a0d4584ca86	515	break;
richbayliss	0:8a0d4584ca86	516	}
richbayliss	0:8a0d4584ca86	517
richbayliss	0:8a0d4584ca86	518	LOG("Transfer end\r\n");
richbayliss	0:8a0d4584ca86	519	return 0;
richbayliss	0:8a0d4584ca86	520	}
richbayliss	0:8a0d4584ca86	521
richbayliss	0:8a0d4584ca86	522	// Remove an endpoint from an active queue
richbayliss	0:8a0d4584ca86	523	bool Remove(HCED* ed, volatile HCED** queue)
richbayliss	0:8a0d4584ca86	524	{
richbayliss	0:8a0d4584ca86	525	if (*queue == 0)
richbayliss	0:8a0d4584ca86	526	return false;
richbayliss	0:8a0d4584ca86	527	if (queue == (volatile HCED)ed)
richbayliss	0:8a0d4584ca86	528	{
richbayliss	0:8a0d4584ca86	529	queue = (volatile HCED)ed->Next; // At head of queue
richbayliss	0:8a0d4584ca86	530	return true;
richbayliss	0:8a0d4584ca86	531	}
richbayliss	0:8a0d4584ca86	532
richbayliss	0:8a0d4584ca86	533	volatile HCED* head = *queue;
richbayliss	0:8a0d4584ca86	534	while (head)
richbayliss	0:8a0d4584ca86	535	{
richbayliss	0:8a0d4584ca86	536	if (head->Next == (u32)ed)
richbayliss	0:8a0d4584ca86	537	{
richbayliss	0:8a0d4584ca86	538	head->Next = ed->Next;
richbayliss	0:8a0d4584ca86	539	return true;
richbayliss	0:8a0d4584ca86	540	}
richbayliss	0:8a0d4584ca86	541	head = (volatile HCED*)head->Next;
richbayliss	0:8a0d4584ca86	542	}
richbayliss	0:8a0d4584ca86	543	return false;
richbayliss	0:8a0d4584ca86	544	}
richbayliss	0:8a0d4584ca86	545
richbayliss	0:8a0d4584ca86	546	void Release(Endpoint* endpoint)
richbayliss	0:8a0d4584ca86	547	{
richbayliss	0:8a0d4584ca86	548	if (endpoint->CurrentState == Endpoint::NotQueued)
richbayliss	0:8a0d4584ca86	549	{
richbayliss	0:8a0d4584ca86	550	// Never event used it, nothing to do
richbayliss	0:8a0d4584ca86	551	}
richbayliss	0:8a0d4584ca86	552	else
richbayliss	0:8a0d4584ca86	553	{
richbayliss	0:8a0d4584ca86	554	HCED* ed = (HCED*)endpoint;
richbayliss	0:8a0d4584ca86	555	ed->Control \|= 0x4000; // SKIP
richbayliss	0:8a0d4584ca86	556	switch (endpoint->Flags & 0x03)
richbayliss	0:8a0d4584ca86	557	{
richbayliss	0:8a0d4584ca86	558	case ENDPOINT_CONTROL:
richbayliss	0:8a0d4584ca86	559	Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
richbayliss	0:8a0d4584ca86	560	break;
richbayliss	0:8a0d4584ca86	561	case ENDPOINT_BULK:
richbayliss	0:8a0d4584ca86	562	Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
richbayliss	0:8a0d4584ca86	563	break;
richbayliss	0:8a0d4584ca86	564	case ENDPOINT_INTERRUPT:
richbayliss	0:8a0d4584ca86	565	for (int i = 0; i < 32; i++)
richbayliss	0:8a0d4584ca86	566	Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
richbayliss	0:8a0d4584ca86	567	break;
richbayliss	0:8a0d4584ca86	568	}
richbayliss	0:8a0d4584ca86	569
richbayliss	0:8a0d4584ca86	570	u16 fn = CommunicationArea.FrameNumber;
richbayliss	0:8a0d4584ca86	571	while (fn == CommunicationArea.FrameNumber)
richbayliss	0:8a0d4584ca86	572	; // Wait for next frame
richbayliss	0:8a0d4584ca86	573
richbayliss	0:8a0d4584ca86	574	}
richbayliss	0:8a0d4584ca86	575
richbayliss	0:8a0d4584ca86	576	// In theory, the endpoint is now dead.
richbayliss	0:8a0d4584ca86	577	// TODO: Will Callbacks ever be pending? BUGBUG
richbayliss	0:8a0d4584ca86	578	memset(endpoint,0,sizeof(Endpoint));
richbayliss	0:8a0d4584ca86	579	}
richbayliss	0:8a0d4584ca86	580
richbayliss	0:8a0d4584ca86	581	// Pop the last TD from the list
richbayliss	0:8a0d4584ca86	582	HCTD* Reverse(HCTD* current)
richbayliss	0:8a0d4584ca86	583	{
richbayliss	0:8a0d4584ca86	584	HCTD result = NULL,temp;
richbayliss	0:8a0d4584ca86	585	while (current)
richbayliss	0:8a0d4584ca86	586	{
richbayliss	0:8a0d4584ca86	587	temp = (HCTD*)current->Next;
richbayliss	0:8a0d4584ca86	588	current->Next = (u32)result;
richbayliss	0:8a0d4584ca86	589	result = current;
richbayliss	0:8a0d4584ca86	590	current = temp;
richbayliss	0:8a0d4584ca86	591	}
richbayliss	0:8a0d4584ca86	592	return result;
richbayliss	0:8a0d4584ca86	593	}
richbayliss	0:8a0d4584ca86	594
richbayliss	0:8a0d4584ca86	595	// Called from interrupt...
richbayliss	0:8a0d4584ca86	596	// Control endpoints use a state machine to progress through the transfers
richbayliss	0:8a0d4584ca86	597	void ProcessDoneQueue(u32 tdList)
richbayliss	0:8a0d4584ca86	598	{
richbayliss	0:8a0d4584ca86	599
richbayliss	0:8a0d4584ca86	600	LOG("<<ProcessDoneQueue enter>>\r\n");
richbayliss	0:8a0d4584ca86	601	HCTD* list = Reverse((HCTD*)tdList);
richbayliss	0:8a0d4584ca86	602	while (list)
richbayliss	0:8a0d4584ca86	603	{
richbayliss	0:8a0d4584ca86	604	Endpoint* endpoint = (Endpoint*)(list-1);
richbayliss	0:8a0d4584ca86	605	list = (HCTD*)list->Next;
richbayliss	0:8a0d4584ca86	606	int ep = endpoint->Address();
richbayliss	0:8a0d4584ca86	607	bool in = endpoint->Flags & 0x80;
richbayliss	0:8a0d4584ca86	608	int status = (endpoint->TDHead.Control >> 28) & 0xF;
richbayliss	0:8a0d4584ca86	609
richbayliss	0:8a0d4584ca86	610	//LOG("ProcessDoneQueue %02X %08X\r\n",ep,endpoint->TDHead.Control);
richbayliss	0:8a0d4584ca86	611
richbayliss	0:8a0d4584ca86	612	if (status != 0)
richbayliss	0:8a0d4584ca86	613	{
richbayliss	0:8a0d4584ca86	614	LOG("ProcessDoneQueue status %02X %d\r\n",ep,status);
richbayliss	0:8a0d4584ca86	615	LOG("CurrentState Change Idle endpoint(%d) currentState =%d\r\n",endpoint->Address(),endpoint->CurrentState);
richbayliss	0:8a0d4584ca86	616	endpoint->CurrentState = Endpoint::Idle;
richbayliss	0:8a0d4584ca86	617
richbayliss	0:8a0d4584ca86	618
richbayliss	0:8a0d4584ca86	619	} else {
richbayliss	0:8a0d4584ca86	620	switch (endpoint->CurrentState)
richbayliss	0:8a0d4584ca86	621	{
richbayliss	0:8a0d4584ca86	622	case Endpoint::SetupQueued:
richbayliss	0:8a0d4584ca86	623	if (endpoint->Length == 0)
richbayliss	0:8a0d4584ca86	624	{
richbayliss	0:8a0d4584ca86	625	LOG("ProcessDoneQueue endpoint->Length == 0 endpoint->CurrentState=%d\r\n",endpoint->CurrentState);
richbayliss	0:8a0d4584ca86	626	Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
richbayliss	0:8a0d4584ca86	627	}
richbayliss	0:8a0d4584ca86	628	else
richbayliss	0:8a0d4584ca86	629	{
richbayliss	0:8a0d4584ca86	630	LOG("ProcessDoneQueue endpoint->Length != 0 endpoint->CurrentState=%d\r\n",endpoint->CurrentState);
richbayliss	0:8a0d4584ca86	631	Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
richbayliss	0:8a0d4584ca86	632	}
richbayliss	0:8a0d4584ca86	633	break;
richbayliss	0:8a0d4584ca86	634
richbayliss	0:8a0d4584ca86	635	case Endpoint::DataQueued:
richbayliss	0:8a0d4584ca86	636	if (endpoint->TDHead.CurrBufPtr)
richbayliss	0:8a0d4584ca86	637	endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
richbayliss	0:8a0d4584ca86	638
richbayliss	0:8a0d4584ca86	639	if (ep == 0)
richbayliss	0:8a0d4584ca86	640	{
richbayliss	0:8a0d4584ca86	641	LOG("ProcessDoneQueue ep == 0 endpoint->CurrentState=%d\r\n",endpoint->CurrentState);
richbayliss	0:8a0d4584ca86	642	Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
richbayliss	0:8a0d4584ca86	643	}
richbayliss	0:8a0d4584ca86	644	else
richbayliss	0:8a0d4584ca86	645	{
richbayliss	0:8a0d4584ca86	646
richbayliss	0:8a0d4584ca86	647	LOG("ProcessDoneQueue ep != 0 endpoint->CurrentState=%d\r\n",endpoint->CurrentState);
richbayliss	0:8a0d4584ca86	648	endpoint->CurrentState = Endpoint::Idle;
richbayliss	0:8a0d4584ca86	649	LOG("CurrentState Change Idle endpoint(%d) currentState =%d\r\n",endpoint->Address(),endpoint->CurrentState);
richbayliss	0:8a0d4584ca86	650	}
richbayliss	0:8a0d4584ca86	651	break;
richbayliss	0:8a0d4584ca86	652
richbayliss	0:8a0d4584ca86	653	case Endpoint::StatusQueued: // Transaction is done
richbayliss	0:8a0d4584ca86	654	LOG("CurrentState Change Idle endpoint(%d) currentState =%d\r\n",endpoint->Address(),endpoint->CurrentState);
richbayliss	0:8a0d4584ca86	655	endpoint->CurrentState = Endpoint::Idle;
richbayliss	0:8a0d4584ca86	656	break;
richbayliss	0:8a0d4584ca86	657	}
richbayliss	0:8a0d4584ca86	658	}
richbayliss	0:8a0d4584ca86	659
richbayliss	0:8a0d4584ca86	660	// Complete, flag if we need a callback
richbayliss	0:8a0d4584ca86	661	if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
richbayliss	0:8a0d4584ca86	662	{
richbayliss	0:8a0d4584ca86	663	endpoint->CurrentState = Endpoint::CallbackPending;
richbayliss	0:8a0d4584ca86	664	_callbacksPending++;
richbayliss	0:8a0d4584ca86	665	}
richbayliss	0:8a0d4584ca86	666	}
richbayliss	0:8a0d4584ca86	667	LOG("<<ProcessDoneQueue out>>\r\n");
richbayliss	0:8a0d4584ca86	668	}
richbayliss	0:8a0d4584ca86	669
richbayliss	0:8a0d4584ca86	670	// Hack to reset devices that don't want to connect
richbayliss	0:8a0d4584ca86	671	int AddDevice(int hub, int port, bool isLowSpeed)
richbayliss	0:8a0d4584ca86	672	{
richbayliss	0:8a0d4584ca86	673	int device = AddDeviceCore(hub,port,isLowSpeed);
richbayliss	0:8a0d4584ca86	674	if (device < 0)
richbayliss	0:8a0d4584ca86	675	{
richbayliss	0:8a0d4584ca86	676	LOG("========RETRY ADD DEVICE========\r\n"); // This will go for ever.. TODO power cycle root?
richbayliss	0:8a0d4584ca86	677	Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
richbayliss	0:8a0d4584ca86	678	ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
richbayliss	0:8a0d4584ca86	679	return -1;
richbayliss	0:8a0d4584ca86	680	}
richbayliss	0:8a0d4584ca86	681	return device;
richbayliss	0:8a0d4584ca86	682	}
richbayliss	0:8a0d4584ca86	683
richbayliss	0:8a0d4584ca86	684	int AddDeviceCore(int hub, int port, bool isLowSpeed)
richbayliss	0:8a0d4584ca86	685	{
richbayliss	0:8a0d4584ca86	686	int lowSpeed = isLowSpeed ? 0x2000 : 0;
richbayliss	0:8a0d4584ca86	687	DeviceDescriptor desc;
richbayliss	0:8a0d4584ca86	688	EndpointZero.EndpointDescriptor.Control = (8 << 16) \| lowSpeed; // MaxPacketSize == 8
richbayliss	0:8a0d4584ca86	689	int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
richbayliss	0:8a0d4584ca86	690	if (r < 0)
richbayliss	0:8a0d4584ca86	691	{
richbayliss	0:8a0d4584ca86	692	LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\r\n");
richbayliss	0:8a0d4584ca86	693	return r;
richbayliss	0:8a0d4584ca86	694	}
richbayliss	0:8a0d4584ca86	695
richbayliss	0:8a0d4584ca86	696	EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) \| lowSpeed; // Actual MaxPacketSize
richbayliss	0:8a0d4584ca86	697	r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
richbayliss	0:8a0d4584ca86	698	if (r < 0)
richbayliss	0:8a0d4584ca86	699	return r;
richbayliss	0:8a0d4584ca86	700
richbayliss	0:8a0d4584ca86	701	LOG("\nClass %02X found %04X:%04X\r\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
richbayliss	0:8a0d4584ca86	702
richbayliss	0:8a0d4584ca86	703	// Now assign the device an address, move off EndpointZero
richbayliss	0:8a0d4584ca86	704	int device = 0;
richbayliss	0:8a0d4584ca86	705	for (int i = 0; i < MAX_DEVICES; i++)
richbayliss	0:8a0d4584ca86	706	{
richbayliss	0:8a0d4584ca86	707	if (Devices[i].Port == 0)
richbayliss	0:8a0d4584ca86	708	{
richbayliss	0:8a0d4584ca86	709	device = i+1;
richbayliss	0:8a0d4584ca86	710	break;
richbayliss	0:8a0d4584ca86	711	}
richbayliss	0:8a0d4584ca86	712	}
richbayliss	0:8a0d4584ca86	713	if (!device)
richbayliss	0:8a0d4584ca86	714	return ERR_DEVICE_NONE_LEFT;
richbayliss	0:8a0d4584ca86	715
richbayliss	0:8a0d4584ca86	716	r = SetAddress(0,device);
richbayliss	0:8a0d4584ca86	717	if (r)
richbayliss	0:8a0d4584ca86	718	return r;
richbayliss	0:8a0d4584ca86	719	DelayMS(2);
richbayliss	0:8a0d4584ca86	720
richbayliss	0:8a0d4584ca86	721	// Now at a nonzero address, create control endpoint
richbayliss	0:8a0d4584ca86	722	Device* dev = &Devices[device-1];
richbayliss	0:8a0d4584ca86	723	dev->Init(&desc,hub,port,device,lowSpeed);
richbayliss	0:8a0d4584ca86	724	AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
richbayliss	0:8a0d4584ca86	725	_connectPending = 0;
richbayliss	0:8a0d4584ca86	726
richbayliss	0:8a0d4584ca86	727	// Verify this all works
richbayliss	0:8a0d4584ca86	728	r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
richbayliss	0:8a0d4584ca86	729	if (r < 0)
richbayliss	0:8a0d4584ca86	730	return r;
richbayliss	0:8a0d4584ca86	731
richbayliss	0:8a0d4584ca86	732	// Set to interface 0 by default
richbayliss	0:8a0d4584ca86	733	// Calls LoadDevice if interface is found
richbayliss	0:8a0d4584ca86	734	r = SetConfigurationAndInterface(device,1,0,&desc);
richbayliss	0:8a0d4584ca86	735
richbayliss	0:8a0d4584ca86	736	if (desc.bDeviceClass == CLASS_HUB)
richbayliss	0:8a0d4584ca86	737	InitHub(device); // Handle hubs in this code
richbayliss	0:8a0d4584ca86	738
richbayliss	0:8a0d4584ca86	739	return device;
richbayliss	0:8a0d4584ca86	740	}
richbayliss	0:8a0d4584ca86	741
richbayliss	0:8a0d4584ca86	742	// Walk descriptors and create endpoints for a given device
richbayliss	0:8a0d4584ca86	743	// TODO configuration !=1, alternate settings etc.
richbayliss	0:8a0d4584ca86	744	int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
richbayliss	0:8a0d4584ca86	745	{
richbayliss	0:8a0d4584ca86	746	u8 buffer[255];
richbayliss	0:8a0d4584ca86	747	int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
richbayliss	0:8a0d4584ca86	748	if (err < 0)
richbayliss	0:8a0d4584ca86	749	return err;
richbayliss	0:8a0d4584ca86	750
richbayliss	0:8a0d4584ca86	751	err = SetConfiguration(device,configuration);
richbayliss	0:8a0d4584ca86	752	if (err < 0)
richbayliss	0:8a0d4584ca86	753	return err;
richbayliss	0:8a0d4584ca86	754
richbayliss	0:8a0d4584ca86	755	// Add the endpoints for this interface
richbayliss	0:8a0d4584ca86	756	int len = buffer[2] \| (buffer[3] << 8);
richbayliss	0:8a0d4584ca86	757	u8* d = buffer;
richbayliss	0:8a0d4584ca86	758	u8* end = d + len;
richbayliss	0:8a0d4584ca86	759	InterfaceDescriptor* found = 0;
richbayliss	0:8a0d4584ca86	760	while (d < end)
richbayliss	0:8a0d4584ca86	761	{
richbayliss	0:8a0d4584ca86	762	if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
richbayliss	0:8a0d4584ca86	763	{
richbayliss	0:8a0d4584ca86	764	InterfaceDescriptor* id = (InterfaceDescriptor*)d;
richbayliss	0:8a0d4584ca86	765	if (id->bInterfaceNumber == interfaceNumber)
richbayliss	0:8a0d4584ca86	766	{
richbayliss	0:8a0d4584ca86	767	found = id;
richbayliss	0:8a0d4584ca86	768	d += d[0];
richbayliss	0:8a0d4584ca86	769	while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
richbayliss	0:8a0d4584ca86	770	{
richbayliss	0:8a0d4584ca86	771	switch (d[1])
richbayliss	0:8a0d4584ca86	772	{
richbayliss	0:8a0d4584ca86	773	case DESCRIPTOR_TYPE_ENDPOINT:
richbayliss	0:8a0d4584ca86	774	AddEndpoint(device,(EndpointDescriptor*)d);
richbayliss	0:8a0d4584ca86	775	break;
richbayliss	0:8a0d4584ca86	776	default:
richbayliss	0:8a0d4584ca86	777	LOG("Skipping descriptor %02X (%d bytes)\r\n",d[1],d[0]);
richbayliss	0:8a0d4584ca86	778	}
richbayliss	0:8a0d4584ca86	779	d += d[0];
richbayliss	0:8a0d4584ca86	780	}
richbayliss	0:8a0d4584ca86	781	}
richbayliss	0:8a0d4584ca86	782	}
richbayliss	0:8a0d4584ca86	783	d += d[0];
richbayliss	0:8a0d4584ca86	784	}
richbayliss	0:8a0d4584ca86	785
richbayliss	0:8a0d4584ca86	786	if (!found)
richbayliss	0:8a0d4584ca86	787	return ERR_INTERFACE_NOT_FOUND;
richbayliss	0:8a0d4584ca86	788	OnLoadDevice(device,desc,found);
richbayliss	0:8a0d4584ca86	789	return 0;
richbayliss	0:8a0d4584ca86	790	}
richbayliss	0:8a0d4584ca86	791
richbayliss	0:8a0d4584ca86	792	void Init()
richbayliss	0:8a0d4584ca86	793	{
richbayliss	0:8a0d4584ca86	794	LOG("USB INIT (Controller is %d bytes)\r\n",sizeof(*this));
richbayliss	0:8a0d4584ca86	795	memset(this,0,sizeof(HostController));
richbayliss	0:8a0d4584ca86	796	EndpointZero.CurrentState = Endpoint::NotQueued;
richbayliss	0:8a0d4584ca86	797	HWInit(&CommunicationArea);
richbayliss	0:8a0d4584ca86	798	DelayMS(10);
richbayliss	0:8a0d4584ca86	799	}
richbayliss	0:8a0d4584ca86	800
richbayliss	0:8a0d4584ca86	801	void ResetPort(int hub, int port)
richbayliss	0:8a0d4584ca86	802	{
richbayliss	0:8a0d4584ca86	803	LOG("ResetPort Hub:%d Port:%d\r\n",hub,port);
richbayliss	0:8a0d4584ca86	804	_connectPending++; // Only reset/add 1 device at a time
richbayliss	0:8a0d4584ca86	805	if (hub == 0)
richbayliss	0:8a0d4584ca86	806	LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
richbayliss	0:8a0d4584ca86	807	else
richbayliss	0:8a0d4584ca86	808	SetPortReset(hub,port); // or reset other hub
richbayliss	0:8a0d4584ca86	809	}
richbayliss	0:8a0d4584ca86	810
richbayliss	0:8a0d4584ca86	811	void Disconnect(int hub, int port)
richbayliss	0:8a0d4584ca86	812	{
richbayliss	0:8a0d4584ca86	813	LOG("Disconnect Hub:%d Port:%d\r\n",hub,port); // Mark a device for destruction
richbayliss	0:8a0d4584ca86	814	for (int i = 0; i < MAX_DEVICES; i++)
richbayliss	0:8a0d4584ca86	815	{
richbayliss	0:8a0d4584ca86	816	Device* dev = Devices + i;
richbayliss	0:8a0d4584ca86	817	if (dev->Port == port && dev->Hub == hub)
richbayliss	0:8a0d4584ca86	818	{
richbayliss	0:8a0d4584ca86	819	// Disconnect everything that is attached to this device if it is a hub
richbayliss	0:8a0d4584ca86	820	for (int p = 0; p < dev->HubPortCount; p++)
richbayliss	0:8a0d4584ca86	821	Disconnect(i+1,p+1);
richbayliss	0:8a0d4584ca86	822
richbayliss	0:8a0d4584ca86	823	// Now release endpoints
richbayliss	0:8a0d4584ca86	824	for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
richbayliss	0:8a0d4584ca86	825	{
richbayliss	0:8a0d4584ca86	826	u8 endpointIndex = dev->_endpointMap[j];
richbayliss	0:8a0d4584ca86	827	if (endpointIndex != 0xFF)
richbayliss	0:8a0d4584ca86	828	Release(Endpoints + endpointIndex);
richbayliss	0:8a0d4584ca86	829	}
richbayliss	0:8a0d4584ca86	830	dev->Port = 0; // Device is now free
richbayliss	0:8a0d4584ca86	831	dev->Flags = 0;
richbayliss	0:8a0d4584ca86	832	return;
richbayliss	0:8a0d4584ca86	833	}
richbayliss	0:8a0d4584ca86	834	}
richbayliss	0:8a0d4584ca86	835	}
richbayliss	0:8a0d4584ca86	836
richbayliss	0:8a0d4584ca86	837	// called after reset
richbayliss	0:8a0d4584ca86	838	void Connect(int hub, int port, bool lowspeed)
richbayliss	0:8a0d4584ca86	839	{
richbayliss	0:8a0d4584ca86	840	LOG("Connect Hub:%d Port:%d %s\r\n",hub,port,lowspeed ? "slow" : "full");
richbayliss	0:8a0d4584ca86	841	AddDevice(hub,port,lowspeed);
richbayliss	0:8a0d4584ca86	842	}
richbayliss	0:8a0d4584ca86	843
richbayliss	0:8a0d4584ca86	844	// Called from interrupt
richbayliss	0:8a0d4584ca86	845	void HubStatusChange(int hub, int port, u32 status)
richbayliss	0:8a0d4584ca86	846	{
richbayliss	0:8a0d4584ca86	847	LOG("HubStatusChange Hub:%d Port:%d %08X\r\n",hub,port,status);
richbayliss	0:8a0d4584ca86	848	if (status & ConnectStatusChange)
richbayliss	0:8a0d4584ca86	849	{
richbayliss	0:8a0d4584ca86	850	if (status & CurrentConnectStatus) // Connecting
richbayliss	0:8a0d4584ca86	851	ResetPort(hub,port); // Reset to initiate connect (state machine?)
richbayliss	0:8a0d4584ca86	852	else
richbayliss	0:8a0d4584ca86	853	Disconnect(hub,port);
richbayliss	0:8a0d4584ca86	854	}
richbayliss	0:8a0d4584ca86	855
richbayliss	0:8a0d4584ca86	856	if (status & PortResetStatusChange)
richbayliss	0:8a0d4584ca86	857	{
richbayliss	0:8a0d4584ca86	858	if (!(status & PortResetStatus))
richbayliss	0:8a0d4584ca86	859	{
richbayliss	0:8a0d4584ca86	860	_connectCountdown = 200; // Schedule a connection in 200ms
richbayliss	0:8a0d4584ca86	861	if (status & LowspeedDevice)
richbayliss	0:8a0d4584ca86	862	port \|= 0x80;
richbayliss	0:8a0d4584ca86	863	_connectHub = hub;
richbayliss	0:8a0d4584ca86	864	_connectPort = port;
richbayliss	0:8a0d4584ca86	865	}
richbayliss	0:8a0d4584ca86	866	}
richbayliss	0:8a0d4584ca86	867	}
richbayliss	0:8a0d4584ca86	868
richbayliss	0:8a0d4584ca86	869	#define HOST_CLK_EN (1<<0)
richbayliss	0:8a0d4584ca86	870	#define PORTSEL_CLK_EN (1<<3)
richbayliss	0:8a0d4584ca86	871	#define AHB_CLK_EN (1<<4)
richbayliss	0:8a0d4584ca86	872	#define CLOCK_MASK (HOST_CLK_EN \| PORTSEL_CLK_EN \| AHB_CLK_EN)
richbayliss	0:8a0d4584ca86	873
richbayliss	0:8a0d4584ca86	874	#define FRAMEINTERVAL (12000-1) // 1ms
richbayliss	0:8a0d4584ca86	875	#define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) \| FRAMEINTERVAL)
richbayliss	0:8a0d4584ca86	876
richbayliss	0:8a0d4584ca86	877	void DelayMS(int ms)
richbayliss	0:8a0d4584ca86	878	{
richbayliss	0:8a0d4584ca86	879	u16 f = ms + CommunicationArea.FrameNumber;
richbayliss	0:8a0d4584ca86	880	while (f != CommunicationArea.FrameNumber)
richbayliss	0:8a0d4584ca86	881	;
richbayliss	0:8a0d4584ca86	882	}
richbayliss	0:8a0d4584ca86	883
richbayliss	0:8a0d4584ca86	884	static void HWInit(HCCA* cca)
richbayliss	0:8a0d4584ca86	885	{
richbayliss	0:8a0d4584ca86	886	NVIC_DisableIRQ(USB_IRQn);
richbayliss	0:8a0d4584ca86	887
richbayliss	0:8a0d4584ca86	888	// turn on power for USB
richbayliss	0:8a0d4584ca86	889	LPC_SC->PCONP \|= (1UL<<31);
richbayliss	0:8a0d4584ca86	890	// Enable USB host clock, port selection and AHB clock
richbayliss	0:8a0d4584ca86	891	LPC_USB->USBClkCtrl \|= CLOCK_MASK;
richbayliss	0:8a0d4584ca86	892	// Wait for clocks to become available
richbayliss	0:8a0d4584ca86	893	while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
richbayliss	0:8a0d4584ca86	894	;
richbayliss	0:8a0d4584ca86	895
richbayliss	0:8a0d4584ca86	896	// We are a Host
richbayliss	0:8a0d4584ca86	897	LPC_USB->OTGStCtrl \|= 1;
richbayliss	0:8a0d4584ca86	898	LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
richbayliss	0:8a0d4584ca86	899
richbayliss	0:8a0d4584ca86	900	// configure USB pins
richbayliss	0:8a0d4584ca86	901	LPC_PINCON->PINSEL1 &= ~((3<<26)\|(3<<28));
richbayliss	0:8a0d4584ca86	902	LPC_PINCON->PINSEL1 \|= ((1<<26)\|(1<<28)); // USB D+/D-
richbayliss	0:8a0d4584ca86	903
richbayliss	0:8a0d4584ca86	904	LPC_PINCON->PINSEL3 &= ~((3 << 6) \| (3 << 22)); // USB_PPWR, USB_OVRCR
richbayliss	0:8a0d4584ca86	905	LPC_PINCON->PINSEL3 \|= ((2 << 6) \| (2 << 22));
richbayliss	0:8a0d4584ca86	906
richbayliss	0:8a0d4584ca86	907	LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
richbayliss	0:8a0d4584ca86	908	LPC_PINCON->PINSEL4 \|= (1 << 18);
richbayliss	0:8a0d4584ca86	909
richbayliss	0:8a0d4584ca86	910	// Reset OHCI block
richbayliss	0:8a0d4584ca86	911	LPC_USB->HcControl = 0;
richbayliss	0:8a0d4584ca86	912	LPC_USB->HcControlHeadED = 0;
richbayliss	0:8a0d4584ca86	913	LPC_USB->HcBulkHeadED = 0;
richbayliss	0:8a0d4584ca86	914
richbayliss	0:8a0d4584ca86	915	LPC_USB->HcCommandStatus = HostControllerReset;
richbayliss	0:8a0d4584ca86	916	LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
richbayliss	0:8a0d4584ca86	917	LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
richbayliss	0:8a0d4584ca86	918
richbayliss	0:8a0d4584ca86	919	LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) \| OperationalMask;
richbayliss	0:8a0d4584ca86	920	LPC_USB->HcRhStatus = SetGlobalPower;
richbayliss	0:8a0d4584ca86	921
richbayliss	0:8a0d4584ca86	922	LPC_USB->HcHCCA = (u32)cca;
richbayliss	0:8a0d4584ca86	923	LPC_USB->HcInterruptStatus \|= LPC_USB->HcInterruptStatus;
richbayliss	0:8a0d4584ca86	924	LPC_USB->HcInterruptEnable = MasterInterruptEnable \| WritebackDoneHead \| RootHubStatusChange \| FrameNumberOverflow;
richbayliss	0:8a0d4584ca86	925
richbayliss	0:8a0d4584ca86	926	NVIC_SetPriority(USB_IRQn, 0);
richbayliss	0:8a0d4584ca86	927	NVIC_EnableIRQ(USB_IRQn);
richbayliss	0:8a0d4584ca86	928	while (cca->FrameNumber < 10)
richbayliss	0:8a0d4584ca86	929	; // 10ms delay before diving in
richbayliss	0:8a0d4584ca86	930	}
richbayliss	0:8a0d4584ca86	931	};
richbayliss	0:8a0d4584ca86	932
richbayliss	0:8a0d4584ca86	933	//====================================================================================
richbayliss	0:8a0d4584ca86	934	//====================================================================================
richbayliss	0:8a0d4584ca86	935	// Host controller instance and Interrupt handler
richbayliss	0:8a0d4584ca86	936
richbayliss	0:8a0d4584ca86	937	static HostController _controller __attribute__((at(USB_RAM_BASE)));
richbayliss	0:8a0d4584ca86	938
richbayliss	0:8a0d4584ca86	939	extern "C" void USB_IRQHandler(void) __irq;
richbayliss	0:8a0d4584ca86	940	void USB_IRQHandler (void) __irq
richbayliss	0:8a0d4584ca86	941	{
richbayliss	0:8a0d4584ca86	942	LOG("USB_IRQHandler start \r\n");
richbayliss	0:8a0d4584ca86	943	u32 int_status = LPC_USB->HcInterruptStatus;
richbayliss	0:8a0d4584ca86	944	LOG("USB_IRQHandler int_status=%0x\r\n",int_status);
richbayliss	0:8a0d4584ca86	945
richbayliss	0:8a0d4584ca86	946	if(int_status & UnrecoverableError) //Error
richbayliss	0:8a0d4584ca86	947	{
richbayliss	0:8a0d4584ca86	948	LOG("USB_IRQHandler UnrecoverableError Please reset\r\n");
richbayliss	0:8a0d4584ca86	949	}
richbayliss	0:8a0d4584ca86	950
richbayliss	0:8a0d4584ca86	951	if(int_status & MasterInterruptEnable)
richbayliss	0:8a0d4584ca86	952	{
richbayliss	0:8a0d4584ca86	953	LOG("USB_IRQHandler MasterInterruptEnable\r\n");
richbayliss	0:8a0d4584ca86	954	}
richbayliss	0:8a0d4584ca86	955
richbayliss	0:8a0d4584ca86	956	if(int_status &OwnershipChange)
richbayliss	0:8a0d4584ca86	957	{
richbayliss	0:8a0d4584ca86	958	LOG("USB_IRQHandler OwnershipChange\r\n");
richbayliss	0:8a0d4584ca86	959	}
richbayliss	0:8a0d4584ca86	960
richbayliss	0:8a0d4584ca86	961	if(int_status &FrameNumberOverflow)
richbayliss	0:8a0d4584ca86	962	{
richbayliss	0:8a0d4584ca86	963	LOG("USB_IRQHandler FrameNumberOverflow\r\n");
richbayliss	0:8a0d4584ca86	964	}
richbayliss	0:8a0d4584ca86	965	if(int_status&ResumeDetected)
richbayliss	0:8a0d4584ca86	966	{
richbayliss	0:8a0d4584ca86	967	LOG("USB_IRQHandler ResumeDetected\r\n");
richbayliss	0:8a0d4584ca86	968	}
richbayliss	0:8a0d4584ca86	969	if(int_status&StartofFrame)
richbayliss	0:8a0d4584ca86	970	{
richbayliss	0:8a0d4584ca86	971	LOG("USB_IRQHandler StartofFrame\r\n");
richbayliss	0:8a0d4584ca86	972	}
richbayliss	0:8a0d4584ca86	973
richbayliss	0:8a0d4584ca86	974
richbayliss	0:8a0d4584ca86	975	if (int_status & RootHubStatusChange) // Root hub status change
richbayliss	0:8a0d4584ca86	976	{
richbayliss	0:8a0d4584ca86	977	LOG("USB_IRQHandler _rootHubStatusChange %0x->%0x \r\n", _controller._rootHubStatusChange, _controller._rootHubStatusChange+1);
richbayliss	0:8a0d4584ca86	978	_controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
richbayliss	0:8a0d4584ca86	979	}
richbayliss	0:8a0d4584ca86	980
richbayliss	0:8a0d4584ca86	981	u32 head = 0;
richbayliss	0:8a0d4584ca86	982	if (int_status & WritebackDoneHead)
richbayliss	0:8a0d4584ca86	983	{
richbayliss	0:8a0d4584ca86	984	head = _controller.CommunicationArea.DoneHead; // Writeback Done
richbayliss	0:8a0d4584ca86	985	_controller.CommunicationArea.DoneHead = 0;
richbayliss	0:8a0d4584ca86	986	LOG("USB_IRQHandler head=%0x\r\n",head);
richbayliss	0:8a0d4584ca86	987	}
richbayliss	0:8a0d4584ca86	988	LPC_USB->HcInterruptStatus = int_status;
richbayliss	0:8a0d4584ca86	989
richbayliss	0:8a0d4584ca86	990	if (head)
richbayliss	0:8a0d4584ca86	991	_controller.ProcessDoneQueue(head); // TODO - low bit can be set BUGBUG
richbayliss	0:8a0d4584ca86	992	LOG("USB_IRQHandler end \r\n");
richbayliss	0:8a0d4584ca86	993	}
richbayliss	0:8a0d4584ca86	994
richbayliss	0:8a0d4584ca86	995	//====================================================================================
richbayliss	0:8a0d4584ca86	996	//====================================================================================
richbayliss	0:8a0d4584ca86	997	// API Methods
richbayliss	0:8a0d4584ca86	998
richbayliss	0:8a0d4584ca86	999	void USBInit()
richbayliss	0:8a0d4584ca86	1000	{
richbayliss	0:8a0d4584ca86	1001	return _controller.Init();
richbayliss	0:8a0d4584ca86	1002	}
richbayliss	0:8a0d4584ca86	1003
richbayliss	0:8a0d4584ca86	1004	void USBLoop()
richbayliss	0:8a0d4584ca86	1005	{
richbayliss	0:8a0d4584ca86	1006	return _controller.Loop();
richbayliss	0:8a0d4584ca86	1007	}
richbayliss	0:8a0d4584ca86	1008
richbayliss	0:8a0d4584ca86	1009	u8* USBGetBuffer(u32* len)
richbayliss	0:8a0d4584ca86	1010	{
richbayliss	0:8a0d4584ca86	1011	*len = USB_RAM_SIZE - sizeof(HostController);
richbayliss	0:8a0d4584ca86	1012	return _controller.SRAM;
richbayliss	0:8a0d4584ca86	1013	}
richbayliss	0:8a0d4584ca86	1014
richbayliss	0:8a0d4584ca86	1015	static Setup* GetSetup(int device)
richbayliss	0:8a0d4584ca86	1016	{
richbayliss	0:8a0d4584ca86	1017	if (device == 0)
richbayliss	0:8a0d4584ca86	1018	return &_controller._setupZero;
richbayliss	0:8a0d4584ca86	1019
richbayliss	0:8a0d4584ca86	1020	if (device < 1 \|\| device > MAX_DEVICES)
richbayliss	0:8a0d4584ca86	1021	return 0;
richbayliss	0:8a0d4584ca86	1022	return &_controller.Devices[device-1].SetupBuffer;
richbayliss	0:8a0d4584ca86	1023	}
richbayliss	0:8a0d4584ca86	1024
richbayliss	0:8a0d4584ca86	1025	// Loop until IO on endpoint is complete
richbayliss	0:8a0d4584ca86	1026	static int WaitIODone(Endpoint* endpoint)
richbayliss	0:8a0d4584ca86	1027	{
richbayliss	0:8a0d4584ca86	1028	LOG("WaitIODone start\r\n");
richbayliss	0:8a0d4584ca86	1029	if (endpoint->CurrentState == Endpoint::NotQueued)
richbayliss	0:8a0d4584ca86	1030	return 0;
richbayliss	0:8a0d4584ca86	1031	while (endpoint->CurrentState != Endpoint::Idle)
richbayliss	0:8a0d4584ca86	1032	{
richbayliss	0:8a0d4584ca86	1033	LOG("WaitIODone goto USBloop endpoint->CurrentState =%d \r\n",endpoint->CurrentState);
richbayliss	0:8a0d4584ca86	1034	USBLoop(); // May generate callbacks, mount or unmount devices etc
richbayliss	0:8a0d4584ca86	1035	}
richbayliss	0:8a0d4584ca86	1036	int status = endpoint->Status();
richbayliss	0:8a0d4584ca86	1037
richbayliss	0:8a0d4584ca86	1038	LOG("WaitIODone end\r\n");
richbayliss	0:8a0d4584ca86	1039	if (status == 0)
richbayliss	0:8a0d4584ca86	1040	return endpoint->Length;
richbayliss	0:8a0d4584ca86	1041	return -status;
richbayliss	0:8a0d4584ca86	1042	}
richbayliss	0:8a0d4584ca86	1043
richbayliss	0:8a0d4584ca86	1044	int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
richbayliss	0:8a0d4584ca86	1045	{
richbayliss	0:8a0d4584ca86	1046	//LOG("USBTRANSFER start\r\n");
richbayliss	0:8a0d4584ca86	1047	Endpoint* endpoint = _controller.GetEndpoint(device,ep);
richbayliss	0:8a0d4584ca86	1048	if (!endpoint)
richbayliss	0:8a0d4584ca86	1049	{
richbayliss	0:8a0d4584ca86	1050	LOG("USBTRANSFER error Endpoint not found!!\r\n");
richbayliss	0:8a0d4584ca86	1051	return ERR_ENDPOINT_NOT_FOUND;
richbayliss	0:8a0d4584ca86	1052	}
richbayliss	0:8a0d4584ca86	1053
richbayliss	0:8a0d4584ca86	1054	//LOG("USBTRANSFER run01\r\n");
richbayliss	0:8a0d4584ca86	1055	WaitIODone(endpoint);
richbayliss	0:8a0d4584ca86	1056	endpoint->Flags = flags;
richbayliss	0:8a0d4584ca86	1057	endpoint->Data = data;
richbayliss	0:8a0d4584ca86	1058	endpoint->Length = length;
richbayliss	0:8a0d4584ca86	1059	endpoint->Callback = callback;
richbayliss	0:8a0d4584ca86	1060	endpoint->UserData = userData;
richbayliss	0:8a0d4584ca86	1061	//LOG("USBTRANSFER run02\r\n");
richbayliss	0:8a0d4584ca86	1062	if (ep == 0)
richbayliss	0:8a0d4584ca86	1063	{
richbayliss	0:8a0d4584ca86	1064	LOG("USBTRANSFER ep == 0(Setup) ------------------------------\r\n");
richbayliss	0:8a0d4584ca86	1065	_controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
richbayliss	0:8a0d4584ca86	1066	}
richbayliss	0:8a0d4584ca86	1067	else
richbayliss	0:8a0d4584ca86	1068	{
richbayliss	0:8a0d4584ca86	1069	LOG("USBTRANSFER ep != 0\r\n");
richbayliss	0:8a0d4584ca86	1070	_controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
richbayliss	0:8a0d4584ca86	1071	}
richbayliss	0:8a0d4584ca86	1072	if (callback)
richbayliss	0:8a0d4584ca86	1073	{
richbayliss	0:8a0d4584ca86	1074	LOG("USBTRANSFER end io_pending\r\n");
richbayliss	0:8a0d4584ca86	1075	return IO_PENDING;
richbayliss	0:8a0d4584ca86	1076	}
richbayliss	0:8a0d4584ca86	1077	LOG("USBTRANSFER end wait io done \r\n");
richbayliss	0:8a0d4584ca86	1078	return WaitIODone(endpoint);
richbayliss	0:8a0d4584ca86	1079	}
richbayliss	0:8a0d4584ca86	1080
richbayliss	0:8a0d4584ca86	1081	int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
richbayliss	0:8a0d4584ca86	1082	{
richbayliss	0:8a0d4584ca86	1083	Setup* setup = GetSetup(device);
richbayliss	0:8a0d4584ca86	1084	if (!setup)
richbayliss	0:8a0d4584ca86	1085	return ERR_DEVICE_NOT_FOUND;
richbayliss	0:8a0d4584ca86	1086
richbayliss	0:8a0d4584ca86	1087	// Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
richbayliss	0:8a0d4584ca86	1088	WaitIODone(_controller.GetEndpoint(device,0));
richbayliss	0:8a0d4584ca86	1089
richbayliss	0:8a0d4584ca86	1090	setup->bm_request_type = request_type;
richbayliss	0:8a0d4584ca86	1091	setup->b_request = request;
richbayliss	0:8a0d4584ca86	1092	setup->w_value = value;
richbayliss	0:8a0d4584ca86	1093	setup->w_index = index;
richbayliss	0:8a0d4584ca86	1094	setup->w_length = length;
richbayliss	0:8a0d4584ca86	1095	LOG("USBControlTransfer(device=%d,reqtype=%d,req=%d,value=%d,index=%d,data=%p,len=%d,callbak=%p,udata=%p)\r\n",
richbayliss	0:8a0d4584ca86	1096	device,request_type,request,value,index,data,length,callback,userData);
richbayliss	0:8a0d4584ca86	1097	return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
richbayliss	0:8a0d4584ca86	1098	}
richbayliss	0:8a0d4584ca86	1099
richbayliss	0:8a0d4584ca86	1100	int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
richbayliss	0:8a0d4584ca86	1101	{
richbayliss	0:8a0d4584ca86	1102	return USBTransfer(device,ep,(ep & 0x80) \| ENDPOINT_INTERRUPT,data,length,callback,userData);
richbayliss	0:8a0d4584ca86	1103	}
richbayliss	0:8a0d4584ca86	1104
richbayliss	0:8a0d4584ca86	1105	int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
richbayliss	0:8a0d4584ca86	1106	{
richbayliss	0:8a0d4584ca86	1107	return USBTransfer(device,ep,(ep & 0x80) \| ENDPOINT_BULK,data,length,callback,userData);
richbayliss	0:8a0d4584ca86	1108	}
richbayliss	0:8a0d4584ca86	1109
richbayliss	0:8a0d4584ca86	1110	int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
richbayliss	0:8a0d4584ca86	1111	{
richbayliss	0:8a0d4584ca86	1112	return USBControlTransfer(device,DEVICE_TO_HOST \| RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)\|(descIndex), 0, data, length, 0);
richbayliss	0:8a0d4584ca86	1113	}
richbayliss	0:8a0d4584ca86	1114
richbayliss	0:8a0d4584ca86	1115	int GetString(int device, int index, char* dst, int length)
richbayliss	0:8a0d4584ca86	1116	{
richbayliss	0:8a0d4584ca86	1117	u8 buffer[255];
richbayliss	0:8a0d4584ca86	1118	int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
richbayliss	0:8a0d4584ca86	1119	if (le < 0)
richbayliss	0:8a0d4584ca86	1120	return le;
richbayliss	0:8a0d4584ca86	1121	if (length < 1)
richbayliss	0:8a0d4584ca86	1122	return -1;
richbayliss	0:8a0d4584ca86	1123	length <<= 1;
richbayliss	0:8a0d4584ca86	1124	if (le > length)
richbayliss	0:8a0d4584ca86	1125	le = length;
richbayliss	0:8a0d4584ca86	1126	for (int j = 2; j < le; j += 2)
richbayliss	0:8a0d4584ca86	1127	*dst++ = buffer[j];
richbayliss	0:8a0d4584ca86	1128	*dst = 0;
richbayliss	0:8a0d4584ca86	1129	return (le>>1)-1;
richbayliss	0:8a0d4584ca86	1130	}
richbayliss	0:8a0d4584ca86	1131
richbayliss	0:8a0d4584ca86	1132	int SetAddress(int device, int new_addr)
richbayliss	0:8a0d4584ca86	1133	{
richbayliss	0:8a0d4584ca86	1134	return USBControlTransfer(device,HOST_TO_DEVICE \| RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
richbayliss	0:8a0d4584ca86	1135	}
richbayliss	0:8a0d4584ca86	1136
richbayliss	0:8a0d4584ca86	1137	int SetConfiguration(int device, int configNum)
richbayliss	0:8a0d4584ca86	1138	{
richbayliss	0:8a0d4584ca86	1139	return USBControlTransfer(device,HOST_TO_DEVICE \| RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
richbayliss	0:8a0d4584ca86	1140	}
richbayliss	0:8a0d4584ca86	1141
richbayliss	0:8a0d4584ca86	1142	int SetInterface(int device, int ifNum, int altNum)
richbayliss	0:8a0d4584ca86	1143	{
richbayliss	0:8a0d4584ca86	1144	return USBControlTransfer(device,HOST_TO_DEVICE \| RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
richbayliss	0:8a0d4584ca86	1145	}
richbayliss	0:8a0d4584ca86	1146
richbayliss	0:8a0d4584ca86	1147	// HUB stuff
richbayliss	0:8a0d4584ca86	1148	int SetPortFeature(int device, int feature, int index)
richbayliss	0:8a0d4584ca86	1149	{
richbayliss	0:8a0d4584ca86	1150	return USBControlTransfer(device,HOST_TO_DEVICE \| REQUEST_TYPE_CLASS \| RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
richbayliss	0:8a0d4584ca86	1151	}
richbayliss	0:8a0d4584ca86	1152
richbayliss	0:8a0d4584ca86	1153	int ClearPortFeature(int device, int feature, int index)
richbayliss	0:8a0d4584ca86	1154	{
richbayliss	0:8a0d4584ca86	1155	return USBControlTransfer(device,HOST_TO_DEVICE \| REQUEST_TYPE_CLASS \| RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
richbayliss	0:8a0d4584ca86	1156	}
richbayliss	0:8a0d4584ca86	1157
richbayliss	0:8a0d4584ca86	1158	int SetPortPower(int device, int port)
richbayliss	0:8a0d4584ca86	1159	{
richbayliss	0:8a0d4584ca86	1160	int r = SetPortFeature(device,PORT_POWER,port);
richbayliss	0:8a0d4584ca86	1161	_controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
richbayliss	0:8a0d4584ca86	1162	return r;
richbayliss	0:8a0d4584ca86	1163	}
richbayliss	0:8a0d4584ca86	1164
richbayliss	0:8a0d4584ca86	1165	int SetPortReset(int device, int port)
richbayliss	0:8a0d4584ca86	1166	{
richbayliss	0:8a0d4584ca86	1167	return SetPortFeature(device,PORT_RESET,port);
richbayliss	0:8a0d4584ca86	1168	}
richbayliss	0:8a0d4584ca86	1169
richbayliss	0:8a0d4584ca86	1170	int GetPortStatus(int device, int port, u32* status)
richbayliss	0:8a0d4584ca86	1171	{
richbayliss	0:8a0d4584ca86	1172	return USBControlTransfer(device,DEVICE_TO_HOST \| REQUEST_TYPE_CLASS \| RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
richbayliss	0:8a0d4584ca86	1173	}
richbayliss	0:8a0d4584ca86	1174
richbayliss	0:8a0d4584ca86	1175	#endif

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Type:	Library
Created:	11 Jul 2011
Imports:	57
Forks:	0
Commits:	4
Dependents:	0
Dependencies:	0
Followers:	6

USBHost_log.cpp@3:ca0516beb781, 2011-07-12 (annotated)

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