ORTP-L_WiiRemoteTest - ORTP-L_WiiRemoteTest

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Yoonseok Pyo / Mbed 2 deprecated ORTP-L_WiiRemoteTest

ORTP-L_WiiRemoteTest

Dependencies: Motordriver mbed FatFileSystem

Fork of WallbotTypeN by Junichi Katsu

BlueUSB/USBHost.cpp@0:425791fe4b42, 2011-05-01 (annotated)

Committer:: jksoft
Date:: Sun May 01 11:12:52 2011 +0000
Revision:: 0:425791fe4b42

Who changed what in which revision?

User	Revision	Line number	New contents of line
jksoft	0:425791fe4b42	1
jksoft	0:425791fe4b42	2	/*
jksoft	0:425791fe4b42	3	Copyright (c) 2010 Peter Barrett
jksoft	0:425791fe4b42	4
jksoft	0:425791fe4b42	5	Permission is hereby granted, free of charge, to any person obtaining a copy
jksoft	0:425791fe4b42	6	of this software and associated documentation files (the "Software"), to deal
jksoft	0:425791fe4b42	7	in the Software without restriction, including without limitation the rights
jksoft	0:425791fe4b42	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
jksoft	0:425791fe4b42	9	copies of the Software, and to permit persons to whom the Software is
jksoft	0:425791fe4b42	10	furnished to do so, subject to the following conditions:
jksoft	0:425791fe4b42	11
jksoft	0:425791fe4b42	12	The above copyright notice and this permission notice shall be included in
jksoft	0:425791fe4b42	13	all copies or substantial portions of the Software.
jksoft	0:425791fe4b42	14
jksoft	0:425791fe4b42	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jksoft	0:425791fe4b42	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jksoft	0:425791fe4b42	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jksoft	0:425791fe4b42	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jksoft	0:425791fe4b42	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jksoft	0:425791fe4b42	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
jksoft	0:425791fe4b42	21	THE SOFTWARE.
jksoft	0:425791fe4b42	22	*/
jksoft	0:425791fe4b42	23
jksoft	0:425791fe4b42	24	#include "mbed.h"
jksoft	0:425791fe4b42	25	#include "USBHost.h"
jksoft	0:425791fe4b42	26
jksoft	0:425791fe4b42	27	// Config (default uses x bytes)
jksoft	0:425791fe4b42	28	#define MAX_DEVICES 8 // Max number of devices
jksoft	0:425791fe4b42	29	#define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
jksoft	0:425791fe4b42	30	#define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
jksoft	0:425791fe4b42	31
jksoft	0:425791fe4b42	32	#define USBLOG 1
jksoft	0:425791fe4b42	33	#if USBLOG
jksoft	0:425791fe4b42	34	#define LOG(...) printf(__VA_ARGS__)
jksoft	0:425791fe4b42	35	#else
jksoft	0:425791fe4b42	36	#define LOG(...) do {} while(0)
jksoft	0:425791fe4b42	37	#endif
jksoft	0:425791fe4b42	38
jksoft	0:425791fe4b42	39	// USB host structures
jksoft	0:425791fe4b42	40
jksoft	0:425791fe4b42	41	#define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
jksoft	0:425791fe4b42	42	#define USB_RAM_BASE 0x2007C000
jksoft	0:425791fe4b42	43
jksoft	0:425791fe4b42	44	#define TOKEN_SETUP 0
jksoft	0:425791fe4b42	45	#define TOKEN_IN 1
jksoft	0:425791fe4b42	46	#define TOKEN_OUT 2
jksoft	0:425791fe4b42	47
jksoft	0:425791fe4b42	48	// Status flags from hub
jksoft	0:425791fe4b42	49	#define PORT_CONNECTION 0
jksoft	0:425791fe4b42	50	#define PORT_ENABLE 1
jksoft	0:425791fe4b42	51	#define PORT_SUSPEND 2
jksoft	0:425791fe4b42	52	#define PORT_OVER_CURRENT 3
jksoft	0:425791fe4b42	53	#define PORT_RESET 4
jksoft	0:425791fe4b42	54	#define PORT_POWER 8
jksoft	0:425791fe4b42	55	#define PORT_LOW_SPEED 9
jksoft	0:425791fe4b42	56
jksoft	0:425791fe4b42	57	#define C_PORT_CONNECTION 16
jksoft	0:425791fe4b42	58	#define C_PORT_ENABLE 17
jksoft	0:425791fe4b42	59	#define C_PORT_SUSPEND 18
jksoft	0:425791fe4b42	60	#define C_PORT_OVER_CURRENT 19
jksoft	0:425791fe4b42	61	#define C_PORT_RESET 20
jksoft	0:425791fe4b42	62
jksoft	0:425791fe4b42	63	typedef struct {
jksoft	0:425791fe4b42	64	u8 bm_request_type;
jksoft	0:425791fe4b42	65	u8 b_request;
jksoft	0:425791fe4b42	66	u16 w_value;
jksoft	0:425791fe4b42	67	u16 w_index;
jksoft	0:425791fe4b42	68	u16 w_length;
jksoft	0:425791fe4b42	69	} Setup;
jksoft	0:425791fe4b42	70
jksoft	0:425791fe4b42	71
jksoft	0:425791fe4b42	72	// Hub stuff is kept private just to keep api simple
jksoft	0:425791fe4b42	73	int SetPortFeature(int device, int feature, int index);
jksoft	0:425791fe4b42	74	int ClearPortFeature(int device, int feature, int index);
jksoft	0:425791fe4b42	75	int SetPortPower(int device, int port);
jksoft	0:425791fe4b42	76	int SetPortReset(int device, int port);
jksoft	0:425791fe4b42	77	int GetPortStatus(int device, int port, u32* status);
jksoft	0:425791fe4b42	78
jksoft	0:425791fe4b42	79	//===================================================================
jksoft	0:425791fe4b42	80	//===================================================================
jksoft	0:425791fe4b42	81	// Hardware defines
jksoft	0:425791fe4b42	82
jksoft	0:425791fe4b42	83	// HcControl
jksoft	0:425791fe4b42	84	#define PeriodicListEnable 0x00000004
jksoft	0:425791fe4b42	85	#define IsochronousEnable 0x00000008
jksoft	0:425791fe4b42	86	#define ControlListEnable 0x00000010
jksoft	0:425791fe4b42	87	#define BulkListEnable 0x00000020
jksoft	0:425791fe4b42	88	#define OperationalMask 0x00000080
jksoft	0:425791fe4b42	89	#define HostControllerFunctionalState 0x000000C0
jksoft	0:425791fe4b42	90
jksoft	0:425791fe4b42	91	// HcCommandStatus
jksoft	0:425791fe4b42	92	#define HostControllerReset 0x00000001
jksoft	0:425791fe4b42	93	#define ControlListFilled 0x00000002
jksoft	0:425791fe4b42	94	#define BulkListFilled 0x00000004
jksoft	0:425791fe4b42	95
jksoft	0:425791fe4b42	96	// HcInterruptStatus Register
jksoft	0:425791fe4b42	97	#define WritebackDoneHead 0x00000002
jksoft	0:425791fe4b42	98	#define StartofFrame 0x00000004
jksoft	0:425791fe4b42	99	#define ResumeDetected 0x00000008
jksoft	0:425791fe4b42	100	#define UnrecoverableError 0x00000010
jksoft	0:425791fe4b42	101	#define FrameNumberOverflow 0x00000020
jksoft	0:425791fe4b42	102	#define RootHubStatusChange 0x00000040
jksoft	0:425791fe4b42	103	#define OwnershipChange 0x00000080
jksoft	0:425791fe4b42	104	#define MasterInterruptEnable 0x80000000
jksoft	0:425791fe4b42	105
jksoft	0:425791fe4b42	106	// HcRhStatus
jksoft	0:425791fe4b42	107	#define SetGlobalPower 0x00010000
jksoft	0:425791fe4b42	108	#define DeviceRemoteWakeupEnable 0x00008000
jksoft	0:425791fe4b42	109
jksoft	0:425791fe4b42	110	// HcRhPortStatus (hub 0, port 1)
jksoft	0:425791fe4b42	111	#define CurrentConnectStatus 0x00000001
jksoft	0:425791fe4b42	112	#define PortEnableStatus 0x00000002
jksoft	0:425791fe4b42	113	#define PortSuspendStatus 0x00000004
jksoft	0:425791fe4b42	114	#define PortOverCurrentIndicator 0x00000008
jksoft	0:425791fe4b42	115	#define PortResetStatus 0x00000010
jksoft	0:425791fe4b42	116
jksoft	0:425791fe4b42	117	#define PortPowerStatus 0x00000100
jksoft	0:425791fe4b42	118	#define LowspeedDevice 0x00000200
jksoft	0:425791fe4b42	119	#define HighspeedDevice 0x00000400
jksoft	0:425791fe4b42	120
jksoft	0:425791fe4b42	121	#define ConnectStatusChange (CurrentConnectStatus << 16)
jksoft	0:425791fe4b42	122	#define PortResetStatusChange (PortResetStatus << 16)
jksoft	0:425791fe4b42	123
jksoft	0:425791fe4b42	124
jksoft	0:425791fe4b42	125	#define TD_ROUNDING (u32)0x00040000
jksoft	0:425791fe4b42	126	#define TD_SETUP (u32)0x00000000
jksoft	0:425791fe4b42	127	#define TD_IN (u32)0x00100000
jksoft	0:425791fe4b42	128	#define TD_OUT (u32)0x00080000
jksoft	0:425791fe4b42	129	#define TD_DELAY_INT(x) (u32)((x) << 21)
jksoft	0:425791fe4b42	130	#define TD_TOGGLE_0 (u32)0x02000000
jksoft	0:425791fe4b42	131	#define TD_TOGGLE_1 (u32)0x03000000
jksoft	0:425791fe4b42	132	#define TD_CC (u32)0xF0000000
jksoft	0:425791fe4b42	133
jksoft	0:425791fe4b42	134	// HostController EndPoint Descriptor
jksoft	0:425791fe4b42	135	typedef struct {
jksoft	0:425791fe4b42	136	volatile u32 Control;
jksoft	0:425791fe4b42	137	volatile u32 TailTd;
jksoft	0:425791fe4b42	138	volatile u32 HeadTd;
jksoft	0:425791fe4b42	139	volatile u32 Next;
jksoft	0:425791fe4b42	140	} HCED;
jksoft	0:425791fe4b42	141
jksoft	0:425791fe4b42	142	// HostController Transfer Descriptor
jksoft	0:425791fe4b42	143	typedef struct {
jksoft	0:425791fe4b42	144	volatile u32 Control;
jksoft	0:425791fe4b42	145	volatile u32 CurrBufPtr;
jksoft	0:425791fe4b42	146	volatile u32 Next;
jksoft	0:425791fe4b42	147	volatile u32 BufEnd;
jksoft	0:425791fe4b42	148	} HCTD;
jksoft	0:425791fe4b42	149
jksoft	0:425791fe4b42	150	// Host Controller Communication Area
jksoft	0:425791fe4b42	151	typedef struct {
jksoft	0:425791fe4b42	152	volatile u32 InterruptTable[32];
jksoft	0:425791fe4b42	153	volatile u16 FrameNumber;
jksoft	0:425791fe4b42	154	volatile u16 FrameNumberPad;
jksoft	0:425791fe4b42	155	volatile u32 DoneHead;
jksoft	0:425791fe4b42	156	volatile u8 Reserved[120];
jksoft	0:425791fe4b42	157	} HCCA;
jksoft	0:425791fe4b42	158
jksoft	0:425791fe4b42	159	//====================================================================================
jksoft	0:425791fe4b42	160	//====================================================================================
jksoft	0:425791fe4b42	161
jksoft	0:425791fe4b42	162	class HostController;
jksoft	0:425791fe4b42	163	class Endpoint;
jksoft	0:425791fe4b42	164	class Device;
jksoft	0:425791fe4b42	165
jksoft	0:425791fe4b42	166	// must be 3*16 bytes long
jksoft	0:425791fe4b42	167	class Endpoint
jksoft	0:425791fe4b42	168	{
jksoft	0:425791fe4b42	169	public:
jksoft	0:425791fe4b42	170	HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
jksoft	0:425791fe4b42	171	HCTD TDHead;
jksoft	0:425791fe4b42	172
jksoft	0:425791fe4b42	173	enum State
jksoft	0:425791fe4b42	174	{
jksoft	0:425791fe4b42	175	Free,
jksoft	0:425791fe4b42	176	NotQueued,
jksoft	0:425791fe4b42	177	Idle,
jksoft	0:425791fe4b42	178	SetupQueued,
jksoft	0:425791fe4b42	179	DataQueued,
jksoft	0:425791fe4b42	180	StatusQueued,
jksoft	0:425791fe4b42	181	CallbackPending
jksoft	0:425791fe4b42	182	};
jksoft	0:425791fe4b42	183
jksoft	0:425791fe4b42	184	volatile u8 CurrentState;
jksoft	0:425791fe4b42	185	u8 Flags; // 0x80 In, 0x03 mask endpoint type
jksoft	0:425791fe4b42	186
jksoft	0:425791fe4b42	187	u16 Length;
jksoft	0:425791fe4b42	188	u8* Data;
jksoft	0:425791fe4b42	189	USBCallback Callback; // Must be a multiple of 16 bytes long
jksoft	0:425791fe4b42	190	void* UserData;
jksoft	0:425791fe4b42	191
jksoft	0:425791fe4b42	192	int Address()
jksoft	0:425791fe4b42	193	{
jksoft	0:425791fe4b42	194	int ep = (EndpointDescriptor.Control >> 7) & 0xF;
jksoft	0:425791fe4b42	195	if (ep)
jksoft	0:425791fe4b42	196	ep \|= Flags & 0x80;
jksoft	0:425791fe4b42	197	return ep;
jksoft	0:425791fe4b42	198	}
jksoft	0:425791fe4b42	199
jksoft	0:425791fe4b42	200	int Device()
jksoft	0:425791fe4b42	201	{
jksoft	0:425791fe4b42	202	return EndpointDescriptor.Control & 0x7F;
jksoft	0:425791fe4b42	203	}
jksoft	0:425791fe4b42	204
jksoft	0:425791fe4b42	205	int Status()
jksoft	0:425791fe4b42	206	{
jksoft	0:425791fe4b42	207	return (TDHead.Control >> 28) & 0xF;
jksoft	0:425791fe4b42	208	}
jksoft	0:425791fe4b42	209
jksoft	0:425791fe4b42	210	u32 Enqueue(u32 head)
jksoft	0:425791fe4b42	211	{
jksoft	0:425791fe4b42	212	if (CurrentState == NotQueued)
jksoft	0:425791fe4b42	213	{
jksoft	0:425791fe4b42	214	EndpointDescriptor.Next = head;
jksoft	0:425791fe4b42	215	head = (u32)&EndpointDescriptor;
jksoft	0:425791fe4b42	216	CurrentState = Idle;
jksoft	0:425791fe4b42	217	}
jksoft	0:425791fe4b42	218	return head;
jksoft	0:425791fe4b42	219	}
jksoft	0:425791fe4b42	220	};
jksoft	0:425791fe4b42	221
jksoft	0:425791fe4b42	222	class Device
jksoft	0:425791fe4b42	223	{
jksoft	0:425791fe4b42	224	public:
jksoft	0:425791fe4b42	225	u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
jksoft	0:425791fe4b42	226	u8 Hub;
jksoft	0:425791fe4b42	227	u8 Port;
jksoft	0:425791fe4b42	228	u8 Addr;
jksoft	0:425791fe4b42	229	u8 Pad;
jksoft	0:425791fe4b42	230
jksoft	0:425791fe4b42	231	// Only if this device is a hub
jksoft	0:425791fe4b42	232	u8 HubPortCount; // nonzero if this is a hub
jksoft	0:425791fe4b42	233	u8 HubInterruptData;
jksoft	0:425791fe4b42	234	u8 HubMap;
jksoft	0:425791fe4b42	235	u8 HubMask;
jksoft	0:425791fe4b42	236
jksoft	0:425791fe4b42	237	int Flags; // 1 = Disconnected
jksoft	0:425791fe4b42	238
jksoft	0:425791fe4b42	239	Setup SetupBuffer;
jksoft	0:425791fe4b42	240
jksoft	0:425791fe4b42	241	// Allocate endpoint zero
jksoft	0:425791fe4b42	242	int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
jksoft	0:425791fe4b42	243	{
jksoft	0:425791fe4b42	244	Hub = hub;
jksoft	0:425791fe4b42	245	Port = port;
jksoft	0:425791fe4b42	246	Addr = addr;
jksoft	0:425791fe4b42	247	Flags = lowSpeed;
jksoft	0:425791fe4b42	248	memset(_endpointMap,0xFF,sizeof(_endpointMap));
jksoft	0:425791fe4b42	249	return 0;
jksoft	0:425791fe4b42	250	}
jksoft	0:425791fe4b42	251
jksoft	0:425791fe4b42	252	int SetEndpointIndex(int ep, int endpointIndex)
jksoft	0:425791fe4b42	253	{
jksoft	0:425791fe4b42	254	for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
jksoft	0:425791fe4b42	255	{
jksoft	0:425791fe4b42	256	if (_endpointMap[i] == 0xFF) // Add endpoint to map
jksoft	0:425791fe4b42	257	{
jksoft	0:425791fe4b42	258	_endpointMap[i] = ep;
jksoft	0:425791fe4b42	259	_endpointMap[i+1] = endpointIndex;
jksoft	0:425791fe4b42	260	return 0;
jksoft	0:425791fe4b42	261	}
jksoft	0:425791fe4b42	262	}
jksoft	0:425791fe4b42	263	return ERR_ENDPOINT_NONE_LEFT;
jksoft	0:425791fe4b42	264	}
jksoft	0:425791fe4b42	265
jksoft	0:425791fe4b42	266	int GetEndpointIndex(int ep)
jksoft	0:425791fe4b42	267	{
jksoft	0:425791fe4b42	268	for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
jksoft	0:425791fe4b42	269	{
jksoft	0:425791fe4b42	270	if (_endpointMap[i] == ep)
jksoft	0:425791fe4b42	271	return _endpointMap[i+1];
jksoft	0:425791fe4b42	272	if (_endpointMap[i] == 0xFF)
jksoft	0:425791fe4b42	273	break;
jksoft	0:425791fe4b42	274	}
jksoft	0:425791fe4b42	275	return -1;
jksoft	0:425791fe4b42	276	}
jksoft	0:425791fe4b42	277	};
jksoft	0:425791fe4b42	278
jksoft	0:425791fe4b42	279	class HostController
jksoft	0:425791fe4b42	280	{
jksoft	0:425791fe4b42	281	public:
jksoft	0:425791fe4b42	282	HCCA CommunicationArea;
jksoft	0:425791fe4b42	283	Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
jksoft	0:425791fe4b42	284
jksoft	0:425791fe4b42	285	Endpoint EndpointZero; // For device enumeration
jksoft	0:425791fe4b42	286	HCTD _commonTail;
jksoft	0:425791fe4b42	287	Setup _setupZero;
jksoft	0:425791fe4b42	288
jksoft	0:425791fe4b42	289	Device Devices[MAX_DEVICES];
jksoft	0:425791fe4b42	290	u32 _frameNumber; // 32 bit ms counter
jksoft	0:425791fe4b42	291
jksoft	0:425791fe4b42	292	u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
jksoft	0:425791fe4b42	293	u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
jksoft	0:425791fe4b42	294	u8 _unused0;
jksoft	0:425791fe4b42	295	u8 _unused1;
jksoft	0:425791fe4b42	296
jksoft	0:425791fe4b42	297	u8 _connectPending; // Reset has initiated a connect
jksoft	0:425791fe4b42	298	u8 _connectCountdown; // Number of ms left after reset before we can connect
jksoft	0:425791fe4b42	299	u8 _connectHub; // Will connect on this hub
jksoft	0:425791fe4b42	300	u8 _connectPort; // ... and this port
jksoft	0:425791fe4b42	301
jksoft	0:425791fe4b42	302	u8 SRAM[0]; // Start of free SRAM
jksoft	0:425791fe4b42	303
jksoft	0:425791fe4b42	304	void Loop()
jksoft	0:425791fe4b42	305	{
jksoft	0:425791fe4b42	306	u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
jksoft	0:425791fe4b42	307	_frameNumber += elapsed;
jksoft	0:425791fe4b42	308
jksoft	0:425791fe4b42	309	// Do callbacks, if any
jksoft	0:425791fe4b42	310	while (_callbacksPending)
jksoft	0:425791fe4b42	311	{
jksoft	0:425791fe4b42	312	for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
jksoft	0:425791fe4b42	313	{
jksoft	0:425791fe4b42	314	Endpoint* endpoint = Endpoints + i;
jksoft	0:425791fe4b42	315	if (endpoint->CurrentState == Endpoint::CallbackPending)
jksoft	0:425791fe4b42	316	{
jksoft	0:425791fe4b42	317	_callbacksPending--;
jksoft	0:425791fe4b42	318	endpoint->CurrentState = Endpoint::Idle;
jksoft	0:425791fe4b42	319	endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
jksoft	0:425791fe4b42	320	}
jksoft	0:425791fe4b42	321	}
jksoft	0:425791fe4b42	322	}
jksoft	0:425791fe4b42	323
jksoft	0:425791fe4b42	324	// Deal with changes on the root hub
jksoft	0:425791fe4b42	325	if (_rootHubStatusChange)
jksoft	0:425791fe4b42	326	{
jksoft	0:425791fe4b42	327	u32 status = LPC_USB->HcRhPortStatus1;
jksoft	0:425791fe4b42	328	_rootHubStatusChange = 0;
jksoft	0:425791fe4b42	329	if (status >> 16)
jksoft	0:425791fe4b42	330	{
jksoft	0:425791fe4b42	331	HubStatusChange(0,1,status);
jksoft	0:425791fe4b42	332	LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
jksoft	0:425791fe4b42	333	}
jksoft	0:425791fe4b42	334	}
jksoft	0:425791fe4b42	335
jksoft	0:425791fe4b42	336	// Connect after reset timeout
jksoft	0:425791fe4b42	337	if (_connectCountdown)
jksoft	0:425791fe4b42	338	{
jksoft	0:425791fe4b42	339	if (elapsed >= _connectCountdown)
jksoft	0:425791fe4b42	340	{
jksoft	0:425791fe4b42	341	_connectCountdown = 0;
jksoft	0:425791fe4b42	342	Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
jksoft	0:425791fe4b42	343	} else
jksoft	0:425791fe4b42	344	_connectCountdown -= elapsed;
jksoft	0:425791fe4b42	345	}
jksoft	0:425791fe4b42	346	}
jksoft	0:425791fe4b42	347
jksoft	0:425791fe4b42	348	// HubInterrupt - bitmap in dev->HubInterruptData
jksoft	0:425791fe4b42	349	void HubInterrupt(int device)
jksoft	0:425791fe4b42	350	{
jksoft	0:425791fe4b42	351	Device* dev = &Devices[device-1];
jksoft	0:425791fe4b42	352	for (int i = 0; i < dev->HubPortCount; i++)
jksoft	0:425791fe4b42	353	{
jksoft	0:425791fe4b42	354	int port = i+1;
jksoft	0:425791fe4b42	355	if (dev->HubInterruptData & (1 << port))
jksoft	0:425791fe4b42	356	{
jksoft	0:425791fe4b42	357	u32 status = 0;
jksoft	0:425791fe4b42	358	GetPortStatus(device,port,&status);
jksoft	0:425791fe4b42	359	if (status >> 16)
jksoft	0:425791fe4b42	360	{
jksoft	0:425791fe4b42	361	if (_connectPending && (status & ConnectStatusChange))
jksoft	0:425791fe4b42	362	continue; // Don't connect again until previous device has been added and addressed
jksoft	0:425791fe4b42	363
jksoft	0:425791fe4b42	364	HubStatusChange(device,port,status);
jksoft	0:425791fe4b42	365	if (status & ConnectStatusChange)
jksoft	0:425791fe4b42	366	ClearPortFeature(device,C_PORT_CONNECTION,port);
jksoft	0:425791fe4b42	367	if (status & PortResetStatusChange)
jksoft	0:425791fe4b42	368	ClearPortFeature(device,C_PORT_RESET,port);
jksoft	0:425791fe4b42	369	}
jksoft	0:425791fe4b42	370	}
jksoft	0:425791fe4b42	371	}
jksoft	0:425791fe4b42	372	}
jksoft	0:425791fe4b42	373
jksoft	0:425791fe4b42	374	static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
jksoft	0:425791fe4b42	375	{
jksoft	0:425791fe4b42	376	HostController* controller = (HostController*)userData;
jksoft	0:425791fe4b42	377	if (status == 0)
jksoft	0:425791fe4b42	378	controller->HubInterrupt(device);
jksoft	0:425791fe4b42	379	USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
jksoft	0:425791fe4b42	380	}
jksoft	0:425791fe4b42	381
jksoft	0:425791fe4b42	382	int InitHub(int device)
jksoft	0:425791fe4b42	383	{
jksoft	0:425791fe4b42	384	u8 buf[16];
jksoft	0:425791fe4b42	385	int r= USBControlTransfer(device,DEVICE_TO_HOST \| REQUEST_TYPE_CLASS \| RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
jksoft	0:425791fe4b42	386	if (r < 0)
jksoft	0:425791fe4b42	387	return ERR_HUB_INIT_FAILED;
jksoft	0:425791fe4b42	388
jksoft	0:425791fe4b42	389	// turn on power on the hubs ports
jksoft	0:425791fe4b42	390	Device* dev = &Devices[device-1];
jksoft	0:425791fe4b42	391	int ports = buf[2];
jksoft	0:425791fe4b42	392	dev->HubPortCount = ports;
jksoft	0:425791fe4b42	393	for (int i = 0; i < ports; i++)
jksoft	0:425791fe4b42	394	SetPortPower(device,i+1);
jksoft	0:425791fe4b42	395
jksoft	0:425791fe4b42	396	// Enable hub change interrupts
jksoft	0:425791fe4b42	397	return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
jksoft	0:425791fe4b42	398	}
jksoft	0:425791fe4b42	399
jksoft	0:425791fe4b42	400	int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
jksoft	0:425791fe4b42	401	{
jksoft	0:425791fe4b42	402	LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\n",device,ep,attributes,maxPacketSize,interval);
jksoft	0:425791fe4b42	403	Device* dev = &Devices[device-1];
jksoft	0:425791fe4b42	404	Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
jksoft	0:425791fe4b42	405	if (!endpoint)
jksoft	0:425791fe4b42	406	return ERR_ENDPOINT_NONE_LEFT;
jksoft	0:425791fe4b42	407	dev->SetEndpointIndex(ep,endpoint - Endpoints);
jksoft	0:425791fe4b42	408	endpoint->EndpointDescriptor.Control \|= dev->Flags; // Map in slow speed
jksoft	0:425791fe4b42	409	return 0; // TODO ed->bInterval
jksoft	0:425791fe4b42	410	}
jksoft	0:425791fe4b42	411
jksoft	0:425791fe4b42	412	int AddEndpoint(int device, EndpointDescriptor* ed)
jksoft	0:425791fe4b42	413	{
jksoft	0:425791fe4b42	414	return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
jksoft	0:425791fe4b42	415	}
jksoft	0:425791fe4b42	416
jksoft	0:425791fe4b42	417	// allocate a endpoint
jksoft	0:425791fe4b42	418	Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
jksoft	0:425791fe4b42	419	{
jksoft	0:425791fe4b42	420	for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
jksoft	0:425791fe4b42	421	{
jksoft	0:425791fe4b42	422	Endpoint* ep = &Endpoints[i];
jksoft	0:425791fe4b42	423	if (ep->CurrentState == 0)
jksoft	0:425791fe4b42	424	{
jksoft	0:425791fe4b42	425	//LOG("Allocated endpoint %d to %02X:%02X\n",i,device,endpointAddress);
jksoft	0:425791fe4b42	426	ep->Flags = (endpointAddress & 0x80) \| (type & 3);
jksoft	0:425791fe4b42	427	ep->CurrentState = Endpoint::NotQueued;
jksoft	0:425791fe4b42	428	ep->EndpointDescriptor.Control = (maxPacketSize << 16) \| ((endpointAddress & 0x7F) << 7) \| device;
jksoft	0:425791fe4b42	429	return ep;
jksoft	0:425791fe4b42	430	}
jksoft	0:425791fe4b42	431	}
jksoft	0:425791fe4b42	432	return 0;
jksoft	0:425791fe4b42	433	}
jksoft	0:425791fe4b42	434
jksoft	0:425791fe4b42	435	Endpoint* GetEndpoint(int device, int ep)
jksoft	0:425791fe4b42	436	{
jksoft	0:425791fe4b42	437	if (device == 0)
jksoft	0:425791fe4b42	438	{
jksoft	0:425791fe4b42	439	//printf("WARNING: USING DEVICE 0\n");
jksoft	0:425791fe4b42	440	return &EndpointZero;
jksoft	0:425791fe4b42	441	}
jksoft	0:425791fe4b42	442	if (device > MAX_DEVICES)
jksoft	0:425791fe4b42	443	return 0;
jksoft	0:425791fe4b42	444	int i = Devices[device-1].GetEndpointIndex(ep);
jksoft	0:425791fe4b42	445	if (i == -1)
jksoft	0:425791fe4b42	446	return 0;
jksoft	0:425791fe4b42	447	return Endpoints + i;
jksoft	0:425791fe4b42	448	}
jksoft	0:425791fe4b42	449
jksoft	0:425791fe4b42	450	int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
jksoft	0:425791fe4b42	451	{
jksoft	0:425791fe4b42	452	//LOG("Transfer %02X T:%d Len:%d S:%d\n",endpoint->Address(),token,len,state);
jksoft	0:425791fe4b42	453
jksoft	0:425791fe4b42	454	int toggle = 0;
jksoft	0:425791fe4b42	455	if (endpoint->Address() == 0)
jksoft	0:425791fe4b42	456	toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
jksoft	0:425791fe4b42	457
jksoft	0:425791fe4b42	458	if (token != TOKEN_SETUP)
jksoft	0:425791fe4b42	459	token = (token == TOKEN_IN ? TD_IN : TD_OUT);
jksoft	0:425791fe4b42	460
jksoft	0:425791fe4b42	461	HCTD* head = &endpoint->TDHead;
jksoft	0:425791fe4b42	462	HCTD* tail = &_commonTail;
jksoft	0:425791fe4b42	463
jksoft	0:425791fe4b42	464	head->Control = TD_ROUNDING \| token \| TD_DELAY_INT(0) \| toggle \| TD_CC;
jksoft	0:425791fe4b42	465	head->CurrBufPtr = (u32)data;
jksoft	0:425791fe4b42	466	head->BufEnd = (u32)(data + len - 1);
jksoft	0:425791fe4b42	467	head->Next = (u32)tail;
jksoft	0:425791fe4b42	468
jksoft	0:425791fe4b42	469	HCED* ed = &endpoint->EndpointDescriptor;
jksoft	0:425791fe4b42	470	ed->HeadTd = (u32)head \| (ed->HeadTd & 0x00000002); // carry toggle
jksoft	0:425791fe4b42	471	ed->TailTd = (u32)tail;
jksoft	0:425791fe4b42	472
jksoft	0:425791fe4b42	473	//HCTD* td = head;
jksoft	0:425791fe4b42	474	//LOG("%04X TD %08X %08X %08X Next:%08X\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
jksoft	0:425791fe4b42	475	//LOG("%04X ED %08X %08X %08X\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
jksoft	0:425791fe4b42	476
jksoft	0:425791fe4b42	477	switch (endpoint->Flags & 3)
jksoft	0:425791fe4b42	478	{
jksoft	0:425791fe4b42	479	case ENDPOINT_CONTROL:
jksoft	0:425791fe4b42	480	LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
jksoft	0:425791fe4b42	481	endpoint->CurrentState = state; // Get in before an int
jksoft	0:425791fe4b42	482	LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus \| ControlListFilled;
jksoft	0:425791fe4b42	483	LPC_USB->HcControl = LPC_USB->HcControl \| ControlListEnable;
jksoft	0:425791fe4b42	484	break;
jksoft	0:425791fe4b42	485
jksoft	0:425791fe4b42	486	case ENDPOINT_BULK:
jksoft	0:425791fe4b42	487	LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
jksoft	0:425791fe4b42	488	endpoint->CurrentState = state;
jksoft	0:425791fe4b42	489	LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus \| BulkListFilled;
jksoft	0:425791fe4b42	490	LPC_USB->HcControl = LPC_USB->HcControl \| BulkListEnable;
jksoft	0:425791fe4b42	491	break;
jksoft	0:425791fe4b42	492
jksoft	0:425791fe4b42	493	case ENDPOINT_INTERRUPT:
jksoft	0:425791fe4b42	494	CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
jksoft	0:425791fe4b42	495	endpoint->CurrentState = state;
jksoft	0:425791fe4b42	496	LPC_USB->HcControl \|= PeriodicListEnable;
jksoft	0:425791fe4b42	497	break;
jksoft	0:425791fe4b42	498	}
jksoft	0:425791fe4b42	499	return 0;
jksoft	0:425791fe4b42	500	}
jksoft	0:425791fe4b42	501
jksoft	0:425791fe4b42	502	// Remove an endpoint from an active queue
jksoft	0:425791fe4b42	503	bool Remove(HCED* ed, volatile HCED** queue)
jksoft	0:425791fe4b42	504	{
jksoft	0:425791fe4b42	505	if (*queue == 0)
jksoft	0:425791fe4b42	506	return false;
jksoft	0:425791fe4b42	507	if (queue == (volatile HCED)ed)
jksoft	0:425791fe4b42	508	{
jksoft	0:425791fe4b42	509	queue = (volatile HCED)ed->Next; // At head of queue
jksoft	0:425791fe4b42	510	return true;
jksoft	0:425791fe4b42	511	}
jksoft	0:425791fe4b42	512
jksoft	0:425791fe4b42	513	volatile HCED* head = *queue;
jksoft	0:425791fe4b42	514	while (head)
jksoft	0:425791fe4b42	515	{
jksoft	0:425791fe4b42	516	if (head->Next == (u32)ed)
jksoft	0:425791fe4b42	517	{
jksoft	0:425791fe4b42	518	head->Next = ed->Next;
jksoft	0:425791fe4b42	519	return true;
jksoft	0:425791fe4b42	520	}
jksoft	0:425791fe4b42	521	head = (volatile HCED*)head->Next;
jksoft	0:425791fe4b42	522	}
jksoft	0:425791fe4b42	523	return false;
jksoft	0:425791fe4b42	524	}
jksoft	0:425791fe4b42	525
jksoft	0:425791fe4b42	526	void Release(Endpoint* endpoint)
jksoft	0:425791fe4b42	527	{
jksoft	0:425791fe4b42	528	if (endpoint->CurrentState == Endpoint::NotQueued)
jksoft	0:425791fe4b42	529	{
jksoft	0:425791fe4b42	530	// Never event used it, nothing to do
jksoft	0:425791fe4b42	531	}
jksoft	0:425791fe4b42	532	else
jksoft	0:425791fe4b42	533	{
jksoft	0:425791fe4b42	534	HCED* ed = (HCED*)endpoint;
jksoft	0:425791fe4b42	535	ed->Control \|= 0x4000; // SKIP
jksoft	0:425791fe4b42	536	switch (endpoint->Flags & 0x03)
jksoft	0:425791fe4b42	537	{
jksoft	0:425791fe4b42	538	case ENDPOINT_CONTROL:
jksoft	0:425791fe4b42	539	Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
jksoft	0:425791fe4b42	540	break;
jksoft	0:425791fe4b42	541	case ENDPOINT_BULK:
jksoft	0:425791fe4b42	542	Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
jksoft	0:425791fe4b42	543	break;
jksoft	0:425791fe4b42	544	case ENDPOINT_INTERRUPT:
jksoft	0:425791fe4b42	545	for (int i = 0; i < 32; i++)
jksoft	0:425791fe4b42	546	Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
jksoft	0:425791fe4b42	547	break;
jksoft	0:425791fe4b42	548	}
jksoft	0:425791fe4b42	549
jksoft	0:425791fe4b42	550	u16 fn = CommunicationArea.FrameNumber;
jksoft	0:425791fe4b42	551	while (fn == CommunicationArea.FrameNumber)
jksoft	0:425791fe4b42	552	; // Wait for next frame
jksoft	0:425791fe4b42	553
jksoft	0:425791fe4b42	554	}
jksoft	0:425791fe4b42	555
jksoft	0:425791fe4b42	556	// In theory, the endpoint is now dead.
jksoft	0:425791fe4b42	557	// TODO: Will Callbacks ever be pending? BUGBUG
jksoft	0:425791fe4b42	558	memset(endpoint,0,sizeof(Endpoint));
jksoft	0:425791fe4b42	559	}
jksoft	0:425791fe4b42	560
jksoft	0:425791fe4b42	561	// Pop the last TD from the list
jksoft	0:425791fe4b42	562	HCTD* Reverse(HCTD* current)
jksoft	0:425791fe4b42	563	{
jksoft	0:425791fe4b42	564	HCTD result = NULL,temp;
jksoft	0:425791fe4b42	565	while (current)
jksoft	0:425791fe4b42	566	{
jksoft	0:425791fe4b42	567	temp = (HCTD*)current->Next;
jksoft	0:425791fe4b42	568	current->Next = (u32)result;
jksoft	0:425791fe4b42	569	result = current;
jksoft	0:425791fe4b42	570	current = temp;
jksoft	0:425791fe4b42	571	}
jksoft	0:425791fe4b42	572	return result;
jksoft	0:425791fe4b42	573	}
jksoft	0:425791fe4b42	574
jksoft	0:425791fe4b42	575	// Called from interrupt...
jksoft	0:425791fe4b42	576	// Control endpoints use a state machine to progress through the transfers
jksoft	0:425791fe4b42	577	void ProcessDoneQueue(u32 tdList)
jksoft	0:425791fe4b42	578	{
jksoft	0:425791fe4b42	579	HCTD* list = Reverse((HCTD*)tdList);
jksoft	0:425791fe4b42	580	while (list)
jksoft	0:425791fe4b42	581	{
jksoft	0:425791fe4b42	582	Endpoint* endpoint = (Endpoint*)(list-1);
jksoft	0:425791fe4b42	583	list = (HCTD*)list->Next;
jksoft	0:425791fe4b42	584	int ep = endpoint->Address();
jksoft	0:425791fe4b42	585	bool in = endpoint->Flags & 0x80;
jksoft	0:425791fe4b42	586	int status = (endpoint->TDHead.Control >> 28) & 0xF;
jksoft	0:425791fe4b42	587
jksoft	0:425791fe4b42	588	//LOG("ProcessDoneQueue %02X %08X\n",ep,endpoint->TDHead.Control);
jksoft	0:425791fe4b42	589
jksoft	0:425791fe4b42	590	if (status != 0)
jksoft	0:425791fe4b42	591	{
jksoft	0:425791fe4b42	592	LOG("ProcessDoneQueue status %02X %d\n",ep,status);
jksoft	0:425791fe4b42	593	endpoint->CurrentState = Endpoint::Idle;
jksoft	0:425791fe4b42	594	} else {
jksoft	0:425791fe4b42	595	switch (endpoint->CurrentState)
jksoft	0:425791fe4b42	596	{
jksoft	0:425791fe4b42	597	case Endpoint::SetupQueued:
jksoft	0:425791fe4b42	598	if (endpoint->Length == 0)
jksoft	0:425791fe4b42	599	Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
jksoft	0:425791fe4b42	600	else
jksoft	0:425791fe4b42	601	Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
jksoft	0:425791fe4b42	602	break;
jksoft	0:425791fe4b42	603
jksoft	0:425791fe4b42	604	case Endpoint::DataQueued:
jksoft	0:425791fe4b42	605	if (endpoint->TDHead.CurrBufPtr)
jksoft	0:425791fe4b42	606	endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
jksoft	0:425791fe4b42	607
jksoft	0:425791fe4b42	608	if (ep == 0)
jksoft	0:425791fe4b42	609	Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
jksoft	0:425791fe4b42	610	else
jksoft	0:425791fe4b42	611	endpoint->CurrentState = Endpoint::Idle;
jksoft	0:425791fe4b42	612	break;
jksoft	0:425791fe4b42	613
jksoft	0:425791fe4b42	614	case Endpoint::StatusQueued: // Transaction is done
jksoft	0:425791fe4b42	615	endpoint->CurrentState = Endpoint::Idle;
jksoft	0:425791fe4b42	616	break;
jksoft	0:425791fe4b42	617	}
jksoft	0:425791fe4b42	618	}
jksoft	0:425791fe4b42	619
jksoft	0:425791fe4b42	620	// Complete, flag if we need a callback
jksoft	0:425791fe4b42	621	if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
jksoft	0:425791fe4b42	622	{
jksoft	0:425791fe4b42	623	endpoint->CurrentState = Endpoint::CallbackPending;
jksoft	0:425791fe4b42	624	_callbacksPending++;
jksoft	0:425791fe4b42	625	}
jksoft	0:425791fe4b42	626	}
jksoft	0:425791fe4b42	627	}
jksoft	0:425791fe4b42	628
jksoft	0:425791fe4b42	629	// Hack to reset devices that don't want to connect
jksoft	0:425791fe4b42	630	int AddDevice(int hub, int port, bool isLowSpeed)
jksoft	0:425791fe4b42	631	{
jksoft	0:425791fe4b42	632	int device = AddDeviceCore(hub,port,isLowSpeed);
jksoft	0:425791fe4b42	633	if (device < 0)
jksoft	0:425791fe4b42	634	{
jksoft	0:425791fe4b42	635	LOG("========RETRY ADD DEVICE========\n"); // This will go for ever.. TODO power cycle root?
jksoft	0:425791fe4b42	636	Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
jksoft	0:425791fe4b42	637	ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
jksoft	0:425791fe4b42	638	return -1;
jksoft	0:425791fe4b42	639	}
jksoft	0:425791fe4b42	640	return device;
jksoft	0:425791fe4b42	641	}
jksoft	0:425791fe4b42	642
jksoft	0:425791fe4b42	643	int AddDeviceCore(int hub, int port, bool isLowSpeed)
jksoft	0:425791fe4b42	644	{
jksoft	0:425791fe4b42	645	int lowSpeed = isLowSpeed ? 0x2000 : 0;
jksoft	0:425791fe4b42	646	DeviceDescriptor desc;
jksoft	0:425791fe4b42	647	EndpointZero.EndpointDescriptor.Control = (8 << 16) \| lowSpeed; // MaxPacketSize == 8
jksoft	0:425791fe4b42	648	int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
jksoft	0:425791fe4b42	649	if (r < 0)
jksoft	0:425791fe4b42	650	{
jksoft	0:425791fe4b42	651	LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\n");
jksoft	0:425791fe4b42	652	return r;
jksoft	0:425791fe4b42	653	}
jksoft	0:425791fe4b42	654
jksoft	0:425791fe4b42	655	EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) \| lowSpeed; // Actual MaxPacketSize
jksoft	0:425791fe4b42	656	r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
jksoft	0:425791fe4b42	657	if (r < 0)
jksoft	0:425791fe4b42	658	return r;
jksoft	0:425791fe4b42	659
jksoft	0:425791fe4b42	660	LOG("\nClass %02X found %04X:%04X\n\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
jksoft	0:425791fe4b42	661
jksoft	0:425791fe4b42	662	// Now assign the device an address, move off EndpointZero
jksoft	0:425791fe4b42	663	int device = 0;
jksoft	0:425791fe4b42	664	for (int i = 0; i < MAX_DEVICES; i++)
jksoft	0:425791fe4b42	665	{
jksoft	0:425791fe4b42	666	if (Devices[i].Port == 0)
jksoft	0:425791fe4b42	667	{
jksoft	0:425791fe4b42	668	device = i+1;
jksoft	0:425791fe4b42	669	break;
jksoft	0:425791fe4b42	670	}
jksoft	0:425791fe4b42	671	}
jksoft	0:425791fe4b42	672	if (!device)
jksoft	0:425791fe4b42	673	return ERR_DEVICE_NONE_LEFT;
jksoft	0:425791fe4b42	674
jksoft	0:425791fe4b42	675	r = SetAddress(0,device);
jksoft	0:425791fe4b42	676	if (r)
jksoft	0:425791fe4b42	677	return r;
jksoft	0:425791fe4b42	678	DelayMS(2);
jksoft	0:425791fe4b42	679
jksoft	0:425791fe4b42	680	// Now at a nonzero address, create control endpoint
jksoft	0:425791fe4b42	681	Device* dev = &Devices[device-1];
jksoft	0:425791fe4b42	682	dev->Init(&desc,hub,port,device,lowSpeed);
jksoft	0:425791fe4b42	683	AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
jksoft	0:425791fe4b42	684	_connectPending = 0;
jksoft	0:425791fe4b42	685
jksoft	0:425791fe4b42	686	// Verify this all works
jksoft	0:425791fe4b42	687	r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
jksoft	0:425791fe4b42	688	if (r < 0)
jksoft	0:425791fe4b42	689	return r;
jksoft	0:425791fe4b42	690
jksoft	0:425791fe4b42	691	// Set to interface 0 by default
jksoft	0:425791fe4b42	692	// Calls LoadDevice if interface is found
jksoft	0:425791fe4b42	693	r = SetConfigurationAndInterface(device,1,0,&desc);
jksoft	0:425791fe4b42	694
jksoft	0:425791fe4b42	695	if (desc.bDeviceClass == CLASS_HUB)
jksoft	0:425791fe4b42	696	InitHub(device); // Handle hubs in this code
jksoft	0:425791fe4b42	697
jksoft	0:425791fe4b42	698	return device;
jksoft	0:425791fe4b42	699	}
jksoft	0:425791fe4b42	700
jksoft	0:425791fe4b42	701	// Walk descriptors and create endpoints for a given device
jksoft	0:425791fe4b42	702	// TODO configuration !=1, alternate settings etc.
jksoft	0:425791fe4b42	703	int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
jksoft	0:425791fe4b42	704	{
jksoft	0:425791fe4b42	705	u8 buffer[255];
jksoft	0:425791fe4b42	706	int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
jksoft	0:425791fe4b42	707	if (err < 0)
jksoft	0:425791fe4b42	708	return err;
jksoft	0:425791fe4b42	709
jksoft	0:425791fe4b42	710	err = SetConfiguration(device,configuration);
jksoft	0:425791fe4b42	711	if (err < 0)
jksoft	0:425791fe4b42	712	return err;
jksoft	0:425791fe4b42	713
jksoft	0:425791fe4b42	714	// Add the endpoints for this interface
jksoft	0:425791fe4b42	715	int len = buffer[2] \| (buffer[3] << 8);
jksoft	0:425791fe4b42	716	u8* d = buffer;
jksoft	0:425791fe4b42	717	u8* end = d + len;
jksoft	0:425791fe4b42	718	InterfaceDescriptor* found = 0;
jksoft	0:425791fe4b42	719	while (d < end)
jksoft	0:425791fe4b42	720	{
jksoft	0:425791fe4b42	721	if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
jksoft	0:425791fe4b42	722	{
jksoft	0:425791fe4b42	723	InterfaceDescriptor* id = (InterfaceDescriptor*)d;
jksoft	0:425791fe4b42	724	if (id->bInterfaceNumber == interfaceNumber)
jksoft	0:425791fe4b42	725	{
jksoft	0:425791fe4b42	726	found = id;
jksoft	0:425791fe4b42	727	d += d[0];
jksoft	0:425791fe4b42	728	while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
jksoft	0:425791fe4b42	729	{
jksoft	0:425791fe4b42	730	switch (d[1])
jksoft	0:425791fe4b42	731	{
jksoft	0:425791fe4b42	732	case DESCRIPTOR_TYPE_ENDPOINT:
jksoft	0:425791fe4b42	733	AddEndpoint(device,(EndpointDescriptor*)d);
jksoft	0:425791fe4b42	734	break;
jksoft	0:425791fe4b42	735	default:
jksoft	0:425791fe4b42	736	LOG("Skipping descriptor %02X (%d bytes)\n",d[1],d[0]);
jksoft	0:425791fe4b42	737	}
jksoft	0:425791fe4b42	738	d += d[0];
jksoft	0:425791fe4b42	739	}
jksoft	0:425791fe4b42	740	}
jksoft	0:425791fe4b42	741	}
jksoft	0:425791fe4b42	742	d += d[0];
jksoft	0:425791fe4b42	743	}
jksoft	0:425791fe4b42	744
jksoft	0:425791fe4b42	745	if (!found)
jksoft	0:425791fe4b42	746	return ERR_INTERFACE_NOT_FOUND;
jksoft	0:425791fe4b42	747	OnLoadDevice(device,desc,found);
jksoft	0:425791fe4b42	748	return 0;
jksoft	0:425791fe4b42	749	}
jksoft	0:425791fe4b42	750
jksoft	0:425791fe4b42	751	void Init()
jksoft	0:425791fe4b42	752	{
jksoft	0:425791fe4b42	753	LOG("USB INIT (Controller is %d bytes)\n",sizeof(*this));
jksoft	0:425791fe4b42	754	memset(this,0,sizeof(HostController));
jksoft	0:425791fe4b42	755	EndpointZero.CurrentState = Endpoint::NotQueued;
jksoft	0:425791fe4b42	756	HWInit(&CommunicationArea);
jksoft	0:425791fe4b42	757	DelayMS(10);
jksoft	0:425791fe4b42	758	}
jksoft	0:425791fe4b42	759
jksoft	0:425791fe4b42	760	void ResetPort(int hub, int port)
jksoft	0:425791fe4b42	761	{
jksoft	0:425791fe4b42	762	LOG("ResetPort Hub:%d Port:%d\n",hub,port);
jksoft	0:425791fe4b42	763	_connectPending++; // Only reset/add 1 device at a time
jksoft	0:425791fe4b42	764	if (hub == 0)
jksoft	0:425791fe4b42	765	LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
jksoft	0:425791fe4b42	766	else
jksoft	0:425791fe4b42	767	SetPortReset(hub,port); // or reset other hub
jksoft	0:425791fe4b42	768	}
jksoft	0:425791fe4b42	769
jksoft	0:425791fe4b42	770	void Disconnect(int hub, int port)
jksoft	0:425791fe4b42	771	{
jksoft	0:425791fe4b42	772	LOG("Disconnect Hub:%d Port:%d\n",hub,port); // Mark a device for destruction
jksoft	0:425791fe4b42	773	for (int i = 0; i < MAX_DEVICES; i++)
jksoft	0:425791fe4b42	774	{
jksoft	0:425791fe4b42	775	Device* dev = Devices + i;
jksoft	0:425791fe4b42	776	if (dev->Port == port && dev->Hub == hub)
jksoft	0:425791fe4b42	777	{
jksoft	0:425791fe4b42	778	// Disconnect everything that is attached to this device if it is a hub
jksoft	0:425791fe4b42	779	for (int p = 0; p < dev->HubPortCount; p++)
jksoft	0:425791fe4b42	780	Disconnect(i+1,p+1);
jksoft	0:425791fe4b42	781
jksoft	0:425791fe4b42	782	// Now release endpoints
jksoft	0:425791fe4b42	783	for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
jksoft	0:425791fe4b42	784	{
jksoft	0:425791fe4b42	785	u8 endpointIndex = dev->_endpointMap[j];
jksoft	0:425791fe4b42	786	if (endpointIndex != 0xFF)
jksoft	0:425791fe4b42	787	Release(Endpoints + endpointIndex);
jksoft	0:425791fe4b42	788	}
jksoft	0:425791fe4b42	789	dev->Port = 0; // Device is now free
jksoft	0:425791fe4b42	790	dev->Flags = 0;
jksoft	0:425791fe4b42	791	return;
jksoft	0:425791fe4b42	792	}
jksoft	0:425791fe4b42	793	}
jksoft	0:425791fe4b42	794	}
jksoft	0:425791fe4b42	795
jksoft	0:425791fe4b42	796	// called after reset
jksoft	0:425791fe4b42	797	void Connect(int hub, int port, bool lowspeed)
jksoft	0:425791fe4b42	798	{
jksoft	0:425791fe4b42	799	LOG("Connect Hub:%d Port:%d %s\n",hub,port,lowspeed ? "slow" : "full");
jksoft	0:425791fe4b42	800	AddDevice(hub,port,lowspeed);
jksoft	0:425791fe4b42	801	}
jksoft	0:425791fe4b42	802
jksoft	0:425791fe4b42	803	// Called from interrupt
jksoft	0:425791fe4b42	804	void HubStatusChange(int hub, int port, u32 status)
jksoft	0:425791fe4b42	805	{
jksoft	0:425791fe4b42	806	LOG("HubStatusChange Hub:%d Port:%d %08X\n",hub,port,status);
jksoft	0:425791fe4b42	807	if (status & ConnectStatusChange)
jksoft	0:425791fe4b42	808	{
jksoft	0:425791fe4b42	809	if (status & CurrentConnectStatus) // Connecting
jksoft	0:425791fe4b42	810	ResetPort(hub,port); // Reset to initiate connect (state machine?)
jksoft	0:425791fe4b42	811	else
jksoft	0:425791fe4b42	812	Disconnect(hub,port);
jksoft	0:425791fe4b42	813	}
jksoft	0:425791fe4b42	814
jksoft	0:425791fe4b42	815	if (status & PortResetStatusChange)
jksoft	0:425791fe4b42	816	{
jksoft	0:425791fe4b42	817	if (!(status & PortResetStatus))
jksoft	0:425791fe4b42	818	{
jksoft	0:425791fe4b42	819	_connectCountdown = 200; // Schedule a connection in 200ms
jksoft	0:425791fe4b42	820	if (status & LowspeedDevice)
jksoft	0:425791fe4b42	821	port \|= 0x80;
jksoft	0:425791fe4b42	822	_connectHub = hub;
jksoft	0:425791fe4b42	823	_connectPort = port;
jksoft	0:425791fe4b42	824	}
jksoft	0:425791fe4b42	825	}
jksoft	0:425791fe4b42	826	}
jksoft	0:425791fe4b42	827
jksoft	0:425791fe4b42	828	#define HOST_CLK_EN (1<<0)
jksoft	0:425791fe4b42	829	#define PORTSEL_CLK_EN (1<<3)
jksoft	0:425791fe4b42	830	#define AHB_CLK_EN (1<<4)
jksoft	0:425791fe4b42	831	#define CLOCK_MASK (HOST_CLK_EN \| PORTSEL_CLK_EN \| AHB_CLK_EN)
jksoft	0:425791fe4b42	832
jksoft	0:425791fe4b42	833	#define FRAMEINTERVAL (12000-1) // 1ms
jksoft	0:425791fe4b42	834	#define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) \| FRAMEINTERVAL)
jksoft	0:425791fe4b42	835
jksoft	0:425791fe4b42	836	void DelayMS(int ms)
jksoft	0:425791fe4b42	837	{
jksoft	0:425791fe4b42	838	u16 f = ms + CommunicationArea.FrameNumber;
jksoft	0:425791fe4b42	839	while (f != CommunicationArea.FrameNumber)
jksoft	0:425791fe4b42	840	;
jksoft	0:425791fe4b42	841	}
jksoft	0:425791fe4b42	842
jksoft	0:425791fe4b42	843	static void HWInit(HCCA* cca)
jksoft	0:425791fe4b42	844	{
jksoft	0:425791fe4b42	845	NVIC_DisableIRQ(USB_IRQn);
jksoft	0:425791fe4b42	846
jksoft	0:425791fe4b42	847	// turn on power for USB
jksoft	0:425791fe4b42	848	LPC_SC->PCONP \|= (1UL<<31);
jksoft	0:425791fe4b42	849	// Enable USB host clock, port selection and AHB clock
jksoft	0:425791fe4b42	850	LPC_USB->USBClkCtrl \|= CLOCK_MASK;
jksoft	0:425791fe4b42	851	// Wait for clocks to become available
jksoft	0:425791fe4b42	852	while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
jksoft	0:425791fe4b42	853	;
jksoft	0:425791fe4b42	854
jksoft	0:425791fe4b42	855	// We are a Host
jksoft	0:425791fe4b42	856	LPC_USB->OTGStCtrl \|= 1;
jksoft	0:425791fe4b42	857	LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
jksoft	0:425791fe4b42	858
jksoft	0:425791fe4b42	859	// configure USB pins
jksoft	0:425791fe4b42	860	LPC_PINCON->PINSEL1 &= ~((3<<26)\|(3<<28));
jksoft	0:425791fe4b42	861	LPC_PINCON->PINSEL1 \|= ((1<<26)\|(1<<28)); // USB D+/D-
jksoft	0:425791fe4b42	862
jksoft	0:425791fe4b42	863	LPC_PINCON->PINSEL3 &= ~((3 << 6) \| (3 << 22)); // USB_PPWR, USB_OVRCR
jksoft	0:425791fe4b42	864	LPC_PINCON->PINSEL3 \|= ((2 << 6) \| (2 << 22));
jksoft	0:425791fe4b42	865
jksoft	0:425791fe4b42	866	LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
jksoft	0:425791fe4b42	867	LPC_PINCON->PINSEL4 \|= (1 << 18);
jksoft	0:425791fe4b42	868
jksoft	0:425791fe4b42	869	// Reset OHCI block
jksoft	0:425791fe4b42	870	LPC_USB->HcControl = 0;
jksoft	0:425791fe4b42	871	LPC_USB->HcControlHeadED = 0;
jksoft	0:425791fe4b42	872	LPC_USB->HcBulkHeadED = 0;
jksoft	0:425791fe4b42	873
jksoft	0:425791fe4b42	874	LPC_USB->HcCommandStatus = HostControllerReset;
jksoft	0:425791fe4b42	875	LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
jksoft	0:425791fe4b42	876	LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
jksoft	0:425791fe4b42	877
jksoft	0:425791fe4b42	878	LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) \| OperationalMask;
jksoft	0:425791fe4b42	879	LPC_USB->HcRhStatus = SetGlobalPower;
jksoft	0:425791fe4b42	880
jksoft	0:425791fe4b42	881	LPC_USB->HcHCCA = (u32)cca;
jksoft	0:425791fe4b42	882	LPC_USB->HcInterruptStatus \|= LPC_USB->HcInterruptStatus;
jksoft	0:425791fe4b42	883	LPC_USB->HcInterruptEnable = MasterInterruptEnable \| WritebackDoneHead \| RootHubStatusChange \| FrameNumberOverflow;
jksoft	0:425791fe4b42	884
jksoft	0:425791fe4b42	885	NVIC_SetPriority(USB_IRQn, 0);
jksoft	0:425791fe4b42	886	NVIC_EnableIRQ(USB_IRQn);
jksoft	0:425791fe4b42	887	while (cca->FrameNumber < 10)
jksoft	0:425791fe4b42	888	; // 10ms delay before diving in
jksoft	0:425791fe4b42	889	}
jksoft	0:425791fe4b42	890	};
jksoft	0:425791fe4b42	891
jksoft	0:425791fe4b42	892	//====================================================================================
jksoft	0:425791fe4b42	893	//====================================================================================
jksoft	0:425791fe4b42	894	// Host controller instance and Interrupt handler
jksoft	0:425791fe4b42	895
jksoft	0:425791fe4b42	896	static HostController _controller __attribute__((at(USB_RAM_BASE)));
jksoft	0:425791fe4b42	897
jksoft	0:425791fe4b42	898	extern "C" void USB_IRQHandler(void) __irq;
jksoft	0:425791fe4b42	899	void USB_IRQHandler (void) __irq
jksoft	0:425791fe4b42	900	{
jksoft	0:425791fe4b42	901	u32 int_status = LPC_USB->HcInterruptStatus;
jksoft	0:425791fe4b42	902
jksoft	0:425791fe4b42	903	if (int_status & RootHubStatusChange) // Root hub status change
jksoft	0:425791fe4b42	904	_controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
jksoft	0:425791fe4b42	905
jksoft	0:425791fe4b42	906	u32 head = 0;
jksoft	0:425791fe4b42	907	if (int_status & WritebackDoneHead)
jksoft	0:425791fe4b42	908	{
jksoft	0:425791fe4b42	909	head = _controller.CommunicationArea.DoneHead; // Writeback Done
jksoft	0:425791fe4b42	910	_controller.CommunicationArea.DoneHead = 0;
jksoft	0:425791fe4b42	911	}
jksoft	0:425791fe4b42	912	LPC_USB->HcInterruptStatus = int_status;
jksoft	0:425791fe4b42	913
jksoft	0:425791fe4b42	914	if (head)
jksoft	0:425791fe4b42	915	_controller.ProcessDoneQueue(head); // TODO - low bit can be set BUGBUG
jksoft	0:425791fe4b42	916	}
jksoft	0:425791fe4b42	917
jksoft	0:425791fe4b42	918	//====================================================================================
jksoft	0:425791fe4b42	919	//====================================================================================
jksoft	0:425791fe4b42	920	// API Methods
jksoft	0:425791fe4b42	921
jksoft	0:425791fe4b42	922	void USBInit()
jksoft	0:425791fe4b42	923	{
jksoft	0:425791fe4b42	924	return _controller.Init();
jksoft	0:425791fe4b42	925	}
jksoft	0:425791fe4b42	926
jksoft	0:425791fe4b42	927	void USBLoop()
jksoft	0:425791fe4b42	928	{
jksoft	0:425791fe4b42	929	return _controller.Loop();
jksoft	0:425791fe4b42	930	}
jksoft	0:425791fe4b42	931
jksoft	0:425791fe4b42	932	u8* USBGetBuffer(u32* len)
jksoft	0:425791fe4b42	933	{
jksoft	0:425791fe4b42	934	*len = USB_RAM_SIZE - sizeof(HostController);
jksoft	0:425791fe4b42	935	return _controller.SRAM;
jksoft	0:425791fe4b42	936	}
jksoft	0:425791fe4b42	937
jksoft	0:425791fe4b42	938	static Setup* GetSetup(int device)
jksoft	0:425791fe4b42	939	{
jksoft	0:425791fe4b42	940	if (device == 0)
jksoft	0:425791fe4b42	941	return &_controller._setupZero;
jksoft	0:425791fe4b42	942
jksoft	0:425791fe4b42	943	if (device < 1 \|\| device > MAX_DEVICES)
jksoft	0:425791fe4b42	944	return 0;
jksoft	0:425791fe4b42	945	return &_controller.Devices[device-1].SetupBuffer;
jksoft	0:425791fe4b42	946	}
jksoft	0:425791fe4b42	947
jksoft	0:425791fe4b42	948	// Loop until IO on endpoint is complete
jksoft	0:425791fe4b42	949	static int WaitIODone(Endpoint* endpoint)
jksoft	0:425791fe4b42	950	{
jksoft	0:425791fe4b42	951	if (endpoint->CurrentState == Endpoint::NotQueued)
jksoft	0:425791fe4b42	952	return 0;
jksoft	0:425791fe4b42	953	while (endpoint->CurrentState != Endpoint::Idle)
jksoft	0:425791fe4b42	954	USBLoop(); // May generate callbacks, mount or unmount devices etc
jksoft	0:425791fe4b42	955	int status = endpoint->Status();
jksoft	0:425791fe4b42	956	if (status == 0)
jksoft	0:425791fe4b42	957	return endpoint->Length;
jksoft	0:425791fe4b42	958	return -status;
jksoft	0:425791fe4b42	959	}
jksoft	0:425791fe4b42	960
jksoft	0:425791fe4b42	961	int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
jksoft	0:425791fe4b42	962	{
jksoft	0:425791fe4b42	963	Endpoint* endpoint = _controller.GetEndpoint(device,ep);
jksoft	0:425791fe4b42	964	if (!endpoint)
jksoft	0:425791fe4b42	965	return ERR_ENDPOINT_NOT_FOUND;
jksoft	0:425791fe4b42	966
jksoft	0:425791fe4b42	967	WaitIODone(endpoint);
jksoft	0:425791fe4b42	968	endpoint->Flags = flags;
jksoft	0:425791fe4b42	969	endpoint->Data = data;
jksoft	0:425791fe4b42	970	endpoint->Length = length;
jksoft	0:425791fe4b42	971	endpoint->Callback = callback;
jksoft	0:425791fe4b42	972	endpoint->UserData = userData;
jksoft	0:425791fe4b42	973	if (ep == 0)
jksoft	0:425791fe4b42	974	_controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
jksoft	0:425791fe4b42	975	else
jksoft	0:425791fe4b42	976	_controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
jksoft	0:425791fe4b42	977	if (callback)
jksoft	0:425791fe4b42	978	return IO_PENDING;
jksoft	0:425791fe4b42	979	return WaitIODone(endpoint);
jksoft	0:425791fe4b42	980	}
jksoft	0:425791fe4b42	981
jksoft	0:425791fe4b42	982	int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
jksoft	0:425791fe4b42	983	{
jksoft	0:425791fe4b42	984	Setup* setup = GetSetup(device);
jksoft	0:425791fe4b42	985	if (!setup)
jksoft	0:425791fe4b42	986	return ERR_DEVICE_NOT_FOUND;
jksoft	0:425791fe4b42	987
jksoft	0:425791fe4b42	988	// Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
jksoft	0:425791fe4b42	989	WaitIODone(_controller.GetEndpoint(device,0));
jksoft	0:425791fe4b42	990
jksoft	0:425791fe4b42	991	setup->bm_request_type = request_type;
jksoft	0:425791fe4b42	992	setup->b_request = request;
jksoft	0:425791fe4b42	993	setup->w_value = value;
jksoft	0:425791fe4b42	994	setup->w_index = index;
jksoft	0:425791fe4b42	995	setup->w_length = length;
jksoft	0:425791fe4b42	996	return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
jksoft	0:425791fe4b42	997	}
jksoft	0:425791fe4b42	998
jksoft	0:425791fe4b42	999	int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
jksoft	0:425791fe4b42	1000	{
jksoft	0:425791fe4b42	1001	return USBTransfer(device,ep,(ep & 0x80) \| ENDPOINT_INTERRUPT,data,length,callback,userData);
jksoft	0:425791fe4b42	1002	}
jksoft	0:425791fe4b42	1003
jksoft	0:425791fe4b42	1004	int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
jksoft	0:425791fe4b42	1005	{
jksoft	0:425791fe4b42	1006	return USBTransfer(device,ep,(ep & 0x80) \| ENDPOINT_BULK,data,length,callback,userData);
jksoft	0:425791fe4b42	1007	}
jksoft	0:425791fe4b42	1008
jksoft	0:425791fe4b42	1009	int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
jksoft	0:425791fe4b42	1010	{
jksoft	0:425791fe4b42	1011	return USBControlTransfer(device,DEVICE_TO_HOST \| RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)\|(descIndex), 0, data, length, 0);
jksoft	0:425791fe4b42	1012	}
jksoft	0:425791fe4b42	1013
jksoft	0:425791fe4b42	1014	int GetString(int device, int index, char* dst, int length)
jksoft	0:425791fe4b42	1015	{
jksoft	0:425791fe4b42	1016	u8 buffer[255];
jksoft	0:425791fe4b42	1017	int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
jksoft	0:425791fe4b42	1018	if (le < 0)
jksoft	0:425791fe4b42	1019	return le;
jksoft	0:425791fe4b42	1020	if (length < 1)
jksoft	0:425791fe4b42	1021	return -1;
jksoft	0:425791fe4b42	1022	length <<= 1;
jksoft	0:425791fe4b42	1023	if (le > length)
jksoft	0:425791fe4b42	1024	le = length;
jksoft	0:425791fe4b42	1025	for (int j = 2; j < le; j += 2)
jksoft	0:425791fe4b42	1026	*dst++ = buffer[j];
jksoft	0:425791fe4b42	1027	*dst = 0;
jksoft	0:425791fe4b42	1028	return (le>>1)-1;
jksoft	0:425791fe4b42	1029	}
jksoft	0:425791fe4b42	1030
jksoft	0:425791fe4b42	1031	int SetAddress(int device, int new_addr)
jksoft	0:425791fe4b42	1032	{
jksoft	0:425791fe4b42	1033	return USBControlTransfer(device,HOST_TO_DEVICE \| RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
jksoft	0:425791fe4b42	1034	}
jksoft	0:425791fe4b42	1035
jksoft	0:425791fe4b42	1036	int SetConfiguration(int device, int configNum)
jksoft	0:425791fe4b42	1037	{
jksoft	0:425791fe4b42	1038	return USBControlTransfer(device,HOST_TO_DEVICE \| RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
jksoft	0:425791fe4b42	1039	}
jksoft	0:425791fe4b42	1040
jksoft	0:425791fe4b42	1041	int SetInterface(int device, int ifNum, int altNum)
jksoft	0:425791fe4b42	1042	{
jksoft	0:425791fe4b42	1043	return USBControlTransfer(device,HOST_TO_DEVICE \| RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
jksoft	0:425791fe4b42	1044	}
jksoft	0:425791fe4b42	1045
jksoft	0:425791fe4b42	1046	// HUB stuff
jksoft	0:425791fe4b42	1047	int SetPortFeature(int device, int feature, int index)
jksoft	0:425791fe4b42	1048	{
jksoft	0:425791fe4b42	1049	return USBControlTransfer(device,HOST_TO_DEVICE \| REQUEST_TYPE_CLASS \| RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
jksoft	0:425791fe4b42	1050	}
jksoft	0:425791fe4b42	1051
jksoft	0:425791fe4b42	1052	int ClearPortFeature(int device, int feature, int index)
jksoft	0:425791fe4b42	1053	{
jksoft	0:425791fe4b42	1054	return USBControlTransfer(device,HOST_TO_DEVICE \| REQUEST_TYPE_CLASS \| RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
jksoft	0:425791fe4b42	1055	}
jksoft	0:425791fe4b42	1056
jksoft	0:425791fe4b42	1057	int SetPortPower(int device, int port)
jksoft	0:425791fe4b42	1058	{
jksoft	0:425791fe4b42	1059	int r = SetPortFeature(device,PORT_POWER,port);
jksoft	0:425791fe4b42	1060	_controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
jksoft	0:425791fe4b42	1061	return r;
jksoft	0:425791fe4b42	1062	}
jksoft	0:425791fe4b42	1063
jksoft	0:425791fe4b42	1064	int SetPortReset(int device, int port)
jksoft	0:425791fe4b42	1065	{
jksoft	0:425791fe4b42	1066	return SetPortFeature(device,PORT_RESET,port);
jksoft	0:425791fe4b42	1067	}
jksoft	0:425791fe4b42	1068
jksoft	0:425791fe4b42	1069	int GetPortStatus(int device, int port, u32* status)
jksoft	0:425791fe4b42	1070	{
jksoft	0:425791fe4b42	1071	return USBControlTransfer(device,DEVICE_TO_HOST \| REQUEST_TYPE_CLASS \| RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
jksoft	0:425791fe4b42	1072	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	29 Mar 2013
Imports:	13
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	3
Followers:	1

BlueUSB/USBHost.cpp@0:425791fe4b42, 2011-05-01 (annotated)

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