WallBot_Simple - うおーるぼっと用プログラム Wiiリモコンからのダイレクト操作モードのみ BlueUSBをベースに…

Users » jksoft » Code » WallBot_Simple

Junichi Katsu / Mbed 2 deprecated WallBot_Simple

うおーるぼっと用プログラム Wiiリモコンからのダイレクト操作モードのみ BlueUSBをベースに使用しています。

Dependencies: BD6211F mbed SimpleFilter

BlueUSB/USBHost.cpp@0:4f749f62c6d7, 2011-04-29 (annotated)

Committer:: jksoft
Date:: Fri Apr 29 15:50:23 2011 +0000
Revision:: 0:4f749f62c6d7

Who changed what in which revision?

User	Revision	Line number	New contents of line
jksoft	0:4f749f62c6d7	1
jksoft	0:4f749f62c6d7	2	/*
jksoft	0:4f749f62c6d7	3	Copyright (c) 2010 Peter Barrett
jksoft	0:4f749f62c6d7	4
jksoft	0:4f749f62c6d7	5	Permission is hereby granted, free of charge, to any person obtaining a copy
jksoft	0:4f749f62c6d7	6	of this software and associated documentation files (the "Software"), to deal
jksoft	0:4f749f62c6d7	7	in the Software without restriction, including without limitation the rights
jksoft	0:4f749f62c6d7	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
jksoft	0:4f749f62c6d7	9	copies of the Software, and to permit persons to whom the Software is
jksoft	0:4f749f62c6d7	10	furnished to do so, subject to the following conditions:
jksoft	0:4f749f62c6d7	11
jksoft	0:4f749f62c6d7	12	The above copyright notice and this permission notice shall be included in
jksoft	0:4f749f62c6d7	13	all copies or substantial portions of the Software.
jksoft	0:4f749f62c6d7	14
jksoft	0:4f749f62c6d7	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jksoft	0:4f749f62c6d7	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jksoft	0:4f749f62c6d7	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jksoft	0:4f749f62c6d7	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jksoft	0:4f749f62c6d7	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jksoft	0:4f749f62c6d7	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
jksoft	0:4f749f62c6d7	21	THE SOFTWARE.
jksoft	0:4f749f62c6d7	22	*/
jksoft	0:4f749f62c6d7	23
jksoft	0:4f749f62c6d7	24	#include "mbed.h"
jksoft	0:4f749f62c6d7	25	#include "USBHost.h"
jksoft	0:4f749f62c6d7	26
jksoft	0:4f749f62c6d7	27	// Config (default uses x bytes)
jksoft	0:4f749f62c6d7	28	#define MAX_DEVICES 8 // Max number of devices
jksoft	0:4f749f62c6d7	29	#define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
jksoft	0:4f749f62c6d7	30	#define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
jksoft	0:4f749f62c6d7	31
jksoft	0:4f749f62c6d7	32	#define USBLOG 1
jksoft	0:4f749f62c6d7	33	#if USBLOG
jksoft	0:4f749f62c6d7	34	#define LOG(...) printf(__VA_ARGS__)
jksoft	0:4f749f62c6d7	35	#else
jksoft	0:4f749f62c6d7	36	#define LOG(...) do {} while(0)
jksoft	0:4f749f62c6d7	37	#endif
jksoft	0:4f749f62c6d7	38
jksoft	0:4f749f62c6d7	39	// USB host structures
jksoft	0:4f749f62c6d7	40
jksoft	0:4f749f62c6d7	41	#define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
jksoft	0:4f749f62c6d7	42	#define USB_RAM_BASE 0x2007C000
jksoft	0:4f749f62c6d7	43
jksoft	0:4f749f62c6d7	44	#define TOKEN_SETUP 0
jksoft	0:4f749f62c6d7	45	#define TOKEN_IN 1
jksoft	0:4f749f62c6d7	46	#define TOKEN_OUT 2
jksoft	0:4f749f62c6d7	47
jksoft	0:4f749f62c6d7	48	// Status flags from hub
jksoft	0:4f749f62c6d7	49	#define PORT_CONNECTION 0
jksoft	0:4f749f62c6d7	50	#define PORT_ENABLE 1
jksoft	0:4f749f62c6d7	51	#define PORT_SUSPEND 2
jksoft	0:4f749f62c6d7	52	#define PORT_OVER_CURRENT 3
jksoft	0:4f749f62c6d7	53	#define PORT_RESET 4
jksoft	0:4f749f62c6d7	54	#define PORT_POWER 8
jksoft	0:4f749f62c6d7	55	#define PORT_LOW_SPEED 9
jksoft	0:4f749f62c6d7	56
jksoft	0:4f749f62c6d7	57	#define C_PORT_CONNECTION 16
jksoft	0:4f749f62c6d7	58	#define C_PORT_ENABLE 17
jksoft	0:4f749f62c6d7	59	#define C_PORT_SUSPEND 18
jksoft	0:4f749f62c6d7	60	#define C_PORT_OVER_CURRENT 19
jksoft	0:4f749f62c6d7	61	#define C_PORT_RESET 20
jksoft	0:4f749f62c6d7	62
jksoft	0:4f749f62c6d7	63	typedef struct {
jksoft	0:4f749f62c6d7	64	u8 bm_request_type;
jksoft	0:4f749f62c6d7	65	u8 b_request;
jksoft	0:4f749f62c6d7	66	u16 w_value;
jksoft	0:4f749f62c6d7	67	u16 w_index;
jksoft	0:4f749f62c6d7	68	u16 w_length;
jksoft	0:4f749f62c6d7	69	} Setup;
jksoft	0:4f749f62c6d7	70
jksoft	0:4f749f62c6d7	71
jksoft	0:4f749f62c6d7	72	// Hub stuff is kept private just to keep api simple
jksoft	0:4f749f62c6d7	73	int SetPortFeature(int device, int feature, int index);
jksoft	0:4f749f62c6d7	74	int ClearPortFeature(int device, int feature, int index);
jksoft	0:4f749f62c6d7	75	int SetPortPower(int device, int port);
jksoft	0:4f749f62c6d7	76	int SetPortReset(int device, int port);
jksoft	0:4f749f62c6d7	77	int GetPortStatus(int device, int port, u32* status);
jksoft	0:4f749f62c6d7	78
jksoft	0:4f749f62c6d7	79	//===================================================================
jksoft	0:4f749f62c6d7	80	//===================================================================
jksoft	0:4f749f62c6d7	81	// Hardware defines
jksoft	0:4f749f62c6d7	82
jksoft	0:4f749f62c6d7	83	// HcControl
jksoft	0:4f749f62c6d7	84	#define PeriodicListEnable 0x00000004
jksoft	0:4f749f62c6d7	85	#define IsochronousEnable 0x00000008
jksoft	0:4f749f62c6d7	86	#define ControlListEnable 0x00000010
jksoft	0:4f749f62c6d7	87	#define BulkListEnable 0x00000020
jksoft	0:4f749f62c6d7	88	#define OperationalMask 0x00000080
jksoft	0:4f749f62c6d7	89	#define HostControllerFunctionalState 0x000000C0
jksoft	0:4f749f62c6d7	90
jksoft	0:4f749f62c6d7	91	// HcCommandStatus
jksoft	0:4f749f62c6d7	92	#define HostControllerReset 0x00000001
jksoft	0:4f749f62c6d7	93	#define ControlListFilled 0x00000002
jksoft	0:4f749f62c6d7	94	#define BulkListFilled 0x00000004
jksoft	0:4f749f62c6d7	95
jksoft	0:4f749f62c6d7	96	// HcInterruptStatus Register
jksoft	0:4f749f62c6d7	97	#define WritebackDoneHead 0x00000002
jksoft	0:4f749f62c6d7	98	#define StartofFrame 0x00000004
jksoft	0:4f749f62c6d7	99	#define ResumeDetected 0x00000008
jksoft	0:4f749f62c6d7	100	#define UnrecoverableError 0x00000010
jksoft	0:4f749f62c6d7	101	#define FrameNumberOverflow 0x00000020
jksoft	0:4f749f62c6d7	102	#define RootHubStatusChange 0x00000040
jksoft	0:4f749f62c6d7	103	#define OwnershipChange 0x00000080
jksoft	0:4f749f62c6d7	104	#define MasterInterruptEnable 0x80000000
jksoft	0:4f749f62c6d7	105
jksoft	0:4f749f62c6d7	106	// HcRhStatus
jksoft	0:4f749f62c6d7	107	#define SetGlobalPower 0x00010000
jksoft	0:4f749f62c6d7	108	#define DeviceRemoteWakeupEnable 0x00008000
jksoft	0:4f749f62c6d7	109
jksoft	0:4f749f62c6d7	110	// HcRhPortStatus (hub 0, port 1)
jksoft	0:4f749f62c6d7	111	#define CurrentConnectStatus 0x00000001
jksoft	0:4f749f62c6d7	112	#define PortEnableStatus 0x00000002
jksoft	0:4f749f62c6d7	113	#define PortSuspendStatus 0x00000004
jksoft	0:4f749f62c6d7	114	#define PortOverCurrentIndicator 0x00000008
jksoft	0:4f749f62c6d7	115	#define PortResetStatus 0x00000010
jksoft	0:4f749f62c6d7	116
jksoft	0:4f749f62c6d7	117	#define PortPowerStatus 0x00000100
jksoft	0:4f749f62c6d7	118	#define LowspeedDevice 0x00000200
jksoft	0:4f749f62c6d7	119	#define HighspeedDevice 0x00000400
jksoft	0:4f749f62c6d7	120
jksoft	0:4f749f62c6d7	121	#define ConnectStatusChange (CurrentConnectStatus << 16)
jksoft	0:4f749f62c6d7	122	#define PortResetStatusChange (PortResetStatus << 16)
jksoft	0:4f749f62c6d7	123
jksoft	0:4f749f62c6d7	124
jksoft	0:4f749f62c6d7	125	#define TD_ROUNDING (u32)0x00040000
jksoft	0:4f749f62c6d7	126	#define TD_SETUP (u32)0x00000000
jksoft	0:4f749f62c6d7	127	#define TD_IN (u32)0x00100000
jksoft	0:4f749f62c6d7	128	#define TD_OUT (u32)0x00080000
jksoft	0:4f749f62c6d7	129	#define TD_DELAY_INT(x) (u32)((x) << 21)
jksoft	0:4f749f62c6d7	130	#define TD_TOGGLE_0 (u32)0x02000000
jksoft	0:4f749f62c6d7	131	#define TD_TOGGLE_1 (u32)0x03000000
jksoft	0:4f749f62c6d7	132	#define TD_CC (u32)0xF0000000
jksoft	0:4f749f62c6d7	133
jksoft	0:4f749f62c6d7	134	// HostController EndPoint Descriptor
jksoft	0:4f749f62c6d7	135	typedef struct {
jksoft	0:4f749f62c6d7	136	volatile u32 Control;
jksoft	0:4f749f62c6d7	137	volatile u32 TailTd;
jksoft	0:4f749f62c6d7	138	volatile u32 HeadTd;
jksoft	0:4f749f62c6d7	139	volatile u32 Next;
jksoft	0:4f749f62c6d7	140	} HCED;
jksoft	0:4f749f62c6d7	141
jksoft	0:4f749f62c6d7	142	// HostController Transfer Descriptor
jksoft	0:4f749f62c6d7	143	typedef struct {
jksoft	0:4f749f62c6d7	144	volatile u32 Control;
jksoft	0:4f749f62c6d7	145	volatile u32 CurrBufPtr;
jksoft	0:4f749f62c6d7	146	volatile u32 Next;
jksoft	0:4f749f62c6d7	147	volatile u32 BufEnd;
jksoft	0:4f749f62c6d7	148	} HCTD;
jksoft	0:4f749f62c6d7	149
jksoft	0:4f749f62c6d7	150	// Host Controller Communication Area
jksoft	0:4f749f62c6d7	151	typedef struct {
jksoft	0:4f749f62c6d7	152	volatile u32 InterruptTable[32];
jksoft	0:4f749f62c6d7	153	volatile u16 FrameNumber;
jksoft	0:4f749f62c6d7	154	volatile u16 FrameNumberPad;
jksoft	0:4f749f62c6d7	155	volatile u32 DoneHead;
jksoft	0:4f749f62c6d7	156	volatile u8 Reserved[120];
jksoft	0:4f749f62c6d7	157	} HCCA;
jksoft	0:4f749f62c6d7	158
jksoft	0:4f749f62c6d7	159	//====================================================================================
jksoft	0:4f749f62c6d7	160	//====================================================================================
jksoft	0:4f749f62c6d7	161
jksoft	0:4f749f62c6d7	162	class HostController;
jksoft	0:4f749f62c6d7	163	class Endpoint;
jksoft	0:4f749f62c6d7	164	class Device;
jksoft	0:4f749f62c6d7	165
jksoft	0:4f749f62c6d7	166	// must be 3*16 bytes long
jksoft	0:4f749f62c6d7	167	class Endpoint
jksoft	0:4f749f62c6d7	168	{
jksoft	0:4f749f62c6d7	169	public:
jksoft	0:4f749f62c6d7	170	HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
jksoft	0:4f749f62c6d7	171	HCTD TDHead;
jksoft	0:4f749f62c6d7	172
jksoft	0:4f749f62c6d7	173	enum State
jksoft	0:4f749f62c6d7	174	{
jksoft	0:4f749f62c6d7	175	Free,
jksoft	0:4f749f62c6d7	176	NotQueued,
jksoft	0:4f749f62c6d7	177	Idle,
jksoft	0:4f749f62c6d7	178	SetupQueued,
jksoft	0:4f749f62c6d7	179	DataQueued,
jksoft	0:4f749f62c6d7	180	StatusQueued,
jksoft	0:4f749f62c6d7	181	CallbackPending
jksoft	0:4f749f62c6d7	182	};
jksoft	0:4f749f62c6d7	183
jksoft	0:4f749f62c6d7	184	volatile u8 CurrentState;
jksoft	0:4f749f62c6d7	185	u8 Flags; // 0x80 In, 0x03 mask endpoint type
jksoft	0:4f749f62c6d7	186
jksoft	0:4f749f62c6d7	187	u16 Length;
jksoft	0:4f749f62c6d7	188	u8* Data;
jksoft	0:4f749f62c6d7	189	USBCallback Callback; // Must be a multiple of 16 bytes long
jksoft	0:4f749f62c6d7	190	void* UserData;
jksoft	0:4f749f62c6d7	191
jksoft	0:4f749f62c6d7	192	int Address()
jksoft	0:4f749f62c6d7	193	{
jksoft	0:4f749f62c6d7	194	int ep = (EndpointDescriptor.Control >> 7) & 0xF;
jksoft	0:4f749f62c6d7	195	if (ep)
jksoft	0:4f749f62c6d7	196	ep \|= Flags & 0x80;
jksoft	0:4f749f62c6d7	197	return ep;
jksoft	0:4f749f62c6d7	198	}
jksoft	0:4f749f62c6d7	199
jksoft	0:4f749f62c6d7	200	int Device()
jksoft	0:4f749f62c6d7	201	{
jksoft	0:4f749f62c6d7	202	return EndpointDescriptor.Control & 0x7F;
jksoft	0:4f749f62c6d7	203	}
jksoft	0:4f749f62c6d7	204
jksoft	0:4f749f62c6d7	205	int Status()
jksoft	0:4f749f62c6d7	206	{
jksoft	0:4f749f62c6d7	207	return (TDHead.Control >> 28) & 0xF;
jksoft	0:4f749f62c6d7	208	}
jksoft	0:4f749f62c6d7	209
jksoft	0:4f749f62c6d7	210	u32 Enqueue(u32 head)
jksoft	0:4f749f62c6d7	211	{
jksoft	0:4f749f62c6d7	212	if (CurrentState == NotQueued)
jksoft	0:4f749f62c6d7	213	{
jksoft	0:4f749f62c6d7	214	EndpointDescriptor.Next = head;
jksoft	0:4f749f62c6d7	215	head = (u32)&EndpointDescriptor;
jksoft	0:4f749f62c6d7	216	CurrentState = Idle;
jksoft	0:4f749f62c6d7	217	}
jksoft	0:4f749f62c6d7	218	return head;
jksoft	0:4f749f62c6d7	219	}
jksoft	0:4f749f62c6d7	220	};
jksoft	0:4f749f62c6d7	221
jksoft	0:4f749f62c6d7	222	class Device
jksoft	0:4f749f62c6d7	223	{
jksoft	0:4f749f62c6d7	224	public:
jksoft	0:4f749f62c6d7	225	u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
jksoft	0:4f749f62c6d7	226	u8 Hub;
jksoft	0:4f749f62c6d7	227	u8 Port;
jksoft	0:4f749f62c6d7	228	u8 Addr;
jksoft	0:4f749f62c6d7	229	u8 Pad;
jksoft	0:4f749f62c6d7	230
jksoft	0:4f749f62c6d7	231	// Only if this device is a hub
jksoft	0:4f749f62c6d7	232	u8 HubPortCount; // nonzero if this is a hub
jksoft	0:4f749f62c6d7	233	u8 HubInterruptData;
jksoft	0:4f749f62c6d7	234	u8 HubMap;
jksoft	0:4f749f62c6d7	235	u8 HubMask;
jksoft	0:4f749f62c6d7	236
jksoft	0:4f749f62c6d7	237	int Flags; // 1 = Disconnected
jksoft	0:4f749f62c6d7	238
jksoft	0:4f749f62c6d7	239	Setup SetupBuffer;
jksoft	0:4f749f62c6d7	240
jksoft	0:4f749f62c6d7	241	// Allocate endpoint zero
jksoft	0:4f749f62c6d7	242	int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
jksoft	0:4f749f62c6d7	243	{
jksoft	0:4f749f62c6d7	244	Hub = hub;
jksoft	0:4f749f62c6d7	245	Port = port;
jksoft	0:4f749f62c6d7	246	Addr = addr;
jksoft	0:4f749f62c6d7	247	Flags = lowSpeed;
jksoft	0:4f749f62c6d7	248	memset(_endpointMap,0xFF,sizeof(_endpointMap));
jksoft	0:4f749f62c6d7	249	return 0;
jksoft	0:4f749f62c6d7	250	}
jksoft	0:4f749f62c6d7	251
jksoft	0:4f749f62c6d7	252	int SetEndpointIndex(int ep, int endpointIndex)
jksoft	0:4f749f62c6d7	253	{
jksoft	0:4f749f62c6d7	254	for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
jksoft	0:4f749f62c6d7	255	{
jksoft	0:4f749f62c6d7	256	if (_endpointMap[i] == 0xFF) // Add endpoint to map
jksoft	0:4f749f62c6d7	257	{
jksoft	0:4f749f62c6d7	258	_endpointMap[i] = ep;
jksoft	0:4f749f62c6d7	259	_endpointMap[i+1] = endpointIndex;
jksoft	0:4f749f62c6d7	260	return 0;
jksoft	0:4f749f62c6d7	261	}
jksoft	0:4f749f62c6d7	262	}
jksoft	0:4f749f62c6d7	263	return ERR_ENDPOINT_NONE_LEFT;
jksoft	0:4f749f62c6d7	264	}
jksoft	0:4f749f62c6d7	265
jksoft	0:4f749f62c6d7	266	int GetEndpointIndex(int ep)
jksoft	0:4f749f62c6d7	267	{
jksoft	0:4f749f62c6d7	268	for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
jksoft	0:4f749f62c6d7	269	{
jksoft	0:4f749f62c6d7	270	if (_endpointMap[i] == ep)
jksoft	0:4f749f62c6d7	271	return _endpointMap[i+1];
jksoft	0:4f749f62c6d7	272	if (_endpointMap[i] == 0xFF)
jksoft	0:4f749f62c6d7	273	break;
jksoft	0:4f749f62c6d7	274	}
jksoft	0:4f749f62c6d7	275	return -1;
jksoft	0:4f749f62c6d7	276	}
jksoft	0:4f749f62c6d7	277	};
jksoft	0:4f749f62c6d7	278
jksoft	0:4f749f62c6d7	279	class HostController
jksoft	0:4f749f62c6d7	280	{
jksoft	0:4f749f62c6d7	281	public:
jksoft	0:4f749f62c6d7	282	HCCA CommunicationArea;
jksoft	0:4f749f62c6d7	283	Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
jksoft	0:4f749f62c6d7	284
jksoft	0:4f749f62c6d7	285	Endpoint EndpointZero; // For device enumeration
jksoft	0:4f749f62c6d7	286	HCTD _commonTail;
jksoft	0:4f749f62c6d7	287	Setup _setupZero;
jksoft	0:4f749f62c6d7	288
jksoft	0:4f749f62c6d7	289	Device Devices[MAX_DEVICES];
jksoft	0:4f749f62c6d7	290	u32 _frameNumber; // 32 bit ms counter
jksoft	0:4f749f62c6d7	291
jksoft	0:4f749f62c6d7	292	u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
jksoft	0:4f749f62c6d7	293	u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
jksoft	0:4f749f62c6d7	294	u8 _unused0;
jksoft	0:4f749f62c6d7	295	u8 _unused1;
jksoft	0:4f749f62c6d7	296
jksoft	0:4f749f62c6d7	297	u8 _connectPending; // Reset has initiated a connect
jksoft	0:4f749f62c6d7	298	u8 _connectCountdown; // Number of ms left after reset before we can connect
jksoft	0:4f749f62c6d7	299	u8 _connectHub; // Will connect on this hub
jksoft	0:4f749f62c6d7	300	u8 _connectPort; // ... and this port
jksoft	0:4f749f62c6d7	301
jksoft	0:4f749f62c6d7	302	u8 SRAM[0]; // Start of free SRAM
jksoft	0:4f749f62c6d7	303
jksoft	0:4f749f62c6d7	304	void Loop()
jksoft	0:4f749f62c6d7	305	{
jksoft	0:4f749f62c6d7	306	u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
jksoft	0:4f749f62c6d7	307	_frameNumber += elapsed;
jksoft	0:4f749f62c6d7	308
jksoft	0:4f749f62c6d7	309	// Do callbacks, if any
jksoft	0:4f749f62c6d7	310	while (_callbacksPending)
jksoft	0:4f749f62c6d7	311	{
jksoft	0:4f749f62c6d7	312	for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
jksoft	0:4f749f62c6d7	313	{
jksoft	0:4f749f62c6d7	314	Endpoint* endpoint = Endpoints + i;
jksoft	0:4f749f62c6d7	315	if (endpoint->CurrentState == Endpoint::CallbackPending)
jksoft	0:4f749f62c6d7	316	{
jksoft	0:4f749f62c6d7	317	_callbacksPending--;
jksoft	0:4f749f62c6d7	318	endpoint->CurrentState = Endpoint::Idle;
jksoft	0:4f749f62c6d7	319	endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
jksoft	0:4f749f62c6d7	320	}
jksoft	0:4f749f62c6d7	321	}
jksoft	0:4f749f62c6d7	322	}
jksoft	0:4f749f62c6d7	323
jksoft	0:4f749f62c6d7	324	// Deal with changes on the root hub
jksoft	0:4f749f62c6d7	325	if (_rootHubStatusChange)
jksoft	0:4f749f62c6d7	326	{
jksoft	0:4f749f62c6d7	327	u32 status = LPC_USB->HcRhPortStatus1;
jksoft	0:4f749f62c6d7	328	_rootHubStatusChange = 0;
jksoft	0:4f749f62c6d7	329	if (status >> 16)
jksoft	0:4f749f62c6d7	330	{
jksoft	0:4f749f62c6d7	331	HubStatusChange(0,1,status);
jksoft	0:4f749f62c6d7	332	LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
jksoft	0:4f749f62c6d7	333	}
jksoft	0:4f749f62c6d7	334	}
jksoft	0:4f749f62c6d7	335
jksoft	0:4f749f62c6d7	336	// Connect after reset timeout
jksoft	0:4f749f62c6d7	337	if (_connectCountdown)
jksoft	0:4f749f62c6d7	338	{
jksoft	0:4f749f62c6d7	339	if (elapsed >= _connectCountdown)
jksoft	0:4f749f62c6d7	340	{
jksoft	0:4f749f62c6d7	341	_connectCountdown = 0;
jksoft	0:4f749f62c6d7	342	Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
jksoft	0:4f749f62c6d7	343	} else
jksoft	0:4f749f62c6d7	344	_connectCountdown -= elapsed;
jksoft	0:4f749f62c6d7	345	}
jksoft	0:4f749f62c6d7	346	}
jksoft	0:4f749f62c6d7	347
jksoft	0:4f749f62c6d7	348	// HubInterrupt - bitmap in dev->HubInterruptData
jksoft	0:4f749f62c6d7	349	void HubInterrupt(int device)
jksoft	0:4f749f62c6d7	350	{
jksoft	0:4f749f62c6d7	351	Device* dev = &Devices[device-1];
jksoft	0:4f749f62c6d7	352	for (int i = 0; i < dev->HubPortCount; i++)
jksoft	0:4f749f62c6d7	353	{
jksoft	0:4f749f62c6d7	354	int port = i+1;
jksoft	0:4f749f62c6d7	355	if (dev->HubInterruptData & (1 << port))
jksoft	0:4f749f62c6d7	356	{
jksoft	0:4f749f62c6d7	357	u32 status = 0;
jksoft	0:4f749f62c6d7	358	GetPortStatus(device,port,&status);
jksoft	0:4f749f62c6d7	359	if (status >> 16)
jksoft	0:4f749f62c6d7	360	{
jksoft	0:4f749f62c6d7	361	if (_connectPending && (status & ConnectStatusChange))
jksoft	0:4f749f62c6d7	362	continue; // Don't connect again until previous device has been added and addressed
jksoft	0:4f749f62c6d7	363
jksoft	0:4f749f62c6d7	364	HubStatusChange(device,port,status);
jksoft	0:4f749f62c6d7	365	if (status & ConnectStatusChange)
jksoft	0:4f749f62c6d7	366	ClearPortFeature(device,C_PORT_CONNECTION,port);
jksoft	0:4f749f62c6d7	367	if (status & PortResetStatusChange)
jksoft	0:4f749f62c6d7	368	ClearPortFeature(device,C_PORT_RESET,port);
jksoft	0:4f749f62c6d7	369	}
jksoft	0:4f749f62c6d7	370	}
jksoft	0:4f749f62c6d7	371	}
jksoft	0:4f749f62c6d7	372	}
jksoft	0:4f749f62c6d7	373
jksoft	0:4f749f62c6d7	374	static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
jksoft	0:4f749f62c6d7	375	{
jksoft	0:4f749f62c6d7	376	HostController* controller = (HostController*)userData;
jksoft	0:4f749f62c6d7	377	if (status == 0)
jksoft	0:4f749f62c6d7	378	controller->HubInterrupt(device);
jksoft	0:4f749f62c6d7	379	USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
jksoft	0:4f749f62c6d7	380	}
jksoft	0:4f749f62c6d7	381
jksoft	0:4f749f62c6d7	382	int InitHub(int device)
jksoft	0:4f749f62c6d7	383	{
jksoft	0:4f749f62c6d7	384	u8 buf[16];
jksoft	0:4f749f62c6d7	385	int r= USBControlTransfer(device,DEVICE_TO_HOST \| REQUEST_TYPE_CLASS \| RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
jksoft	0:4f749f62c6d7	386	if (r < 0)
jksoft	0:4f749f62c6d7	387	return ERR_HUB_INIT_FAILED;
jksoft	0:4f749f62c6d7	388
jksoft	0:4f749f62c6d7	389	// turn on power on the hubs ports
jksoft	0:4f749f62c6d7	390	Device* dev = &Devices[device-1];
jksoft	0:4f749f62c6d7	391	int ports = buf[2];
jksoft	0:4f749f62c6d7	392	dev->HubPortCount = ports;
jksoft	0:4f749f62c6d7	393	for (int i = 0; i < ports; i++)
jksoft	0:4f749f62c6d7	394	SetPortPower(device,i+1);
jksoft	0:4f749f62c6d7	395
jksoft	0:4f749f62c6d7	396	// Enable hub change interrupts
jksoft	0:4f749f62c6d7	397	return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
jksoft	0:4f749f62c6d7	398	}
jksoft	0:4f749f62c6d7	399
jksoft	0:4f749f62c6d7	400	int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
jksoft	0:4f749f62c6d7	401	{
jksoft	0:4f749f62c6d7	402	LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\n",device,ep,attributes,maxPacketSize,interval);
jksoft	0:4f749f62c6d7	403	Device* dev = &Devices[device-1];
jksoft	0:4f749f62c6d7	404	Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
jksoft	0:4f749f62c6d7	405	if (!endpoint)
jksoft	0:4f749f62c6d7	406	return ERR_ENDPOINT_NONE_LEFT;
jksoft	0:4f749f62c6d7	407	dev->SetEndpointIndex(ep,endpoint - Endpoints);
jksoft	0:4f749f62c6d7	408	endpoint->EndpointDescriptor.Control \|= dev->Flags; // Map in slow speed
jksoft	0:4f749f62c6d7	409	return 0; // TODO ed->bInterval
jksoft	0:4f749f62c6d7	410	}
jksoft	0:4f749f62c6d7	411
jksoft	0:4f749f62c6d7	412	int AddEndpoint(int device, EndpointDescriptor* ed)
jksoft	0:4f749f62c6d7	413	{
jksoft	0:4f749f62c6d7	414	return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
jksoft	0:4f749f62c6d7	415	}
jksoft	0:4f749f62c6d7	416
jksoft	0:4f749f62c6d7	417	// allocate a endpoint
jksoft	0:4f749f62c6d7	418	Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
jksoft	0:4f749f62c6d7	419	{
jksoft	0:4f749f62c6d7	420	for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
jksoft	0:4f749f62c6d7	421	{
jksoft	0:4f749f62c6d7	422	Endpoint* ep = &Endpoints[i];
jksoft	0:4f749f62c6d7	423	if (ep->CurrentState == 0)
jksoft	0:4f749f62c6d7	424	{
jksoft	0:4f749f62c6d7	425	//LOG("Allocated endpoint %d to %02X:%02X\n",i,device,endpointAddress);
jksoft	0:4f749f62c6d7	426	ep->Flags = (endpointAddress & 0x80) \| (type & 3);
jksoft	0:4f749f62c6d7	427	ep->CurrentState = Endpoint::NotQueued;
jksoft	0:4f749f62c6d7	428	ep->EndpointDescriptor.Control = (maxPacketSize << 16) \| ((endpointAddress & 0x7F) << 7) \| device;
jksoft	0:4f749f62c6d7	429	return ep;
jksoft	0:4f749f62c6d7	430	}
jksoft	0:4f749f62c6d7	431	}
jksoft	0:4f749f62c6d7	432	return 0;
jksoft	0:4f749f62c6d7	433	}
jksoft	0:4f749f62c6d7	434
jksoft	0:4f749f62c6d7	435	Endpoint* GetEndpoint(int device, int ep)
jksoft	0:4f749f62c6d7	436	{
jksoft	0:4f749f62c6d7	437	if (device == 0)
jksoft	0:4f749f62c6d7	438	{
jksoft	0:4f749f62c6d7	439	//printf("WARNING: USING DEVICE 0\n");
jksoft	0:4f749f62c6d7	440	return &EndpointZero;
jksoft	0:4f749f62c6d7	441	}
jksoft	0:4f749f62c6d7	442	if (device > MAX_DEVICES)
jksoft	0:4f749f62c6d7	443	return 0;
jksoft	0:4f749f62c6d7	444	int i = Devices[device-1].GetEndpointIndex(ep);
jksoft	0:4f749f62c6d7	445	if (i == -1)
jksoft	0:4f749f62c6d7	446	return 0;
jksoft	0:4f749f62c6d7	447	return Endpoints + i;
jksoft	0:4f749f62c6d7	448	}
jksoft	0:4f749f62c6d7	449
jksoft	0:4f749f62c6d7	450	int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
jksoft	0:4f749f62c6d7	451	{
jksoft	0:4f749f62c6d7	452	//LOG("Transfer %02X T:%d Len:%d S:%d\n",endpoint->Address(),token,len,state);
jksoft	0:4f749f62c6d7	453
jksoft	0:4f749f62c6d7	454	int toggle = 0;
jksoft	0:4f749f62c6d7	455	if (endpoint->Address() == 0)
jksoft	0:4f749f62c6d7	456	toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
jksoft	0:4f749f62c6d7	457
jksoft	0:4f749f62c6d7	458	if (token != TOKEN_SETUP)
jksoft	0:4f749f62c6d7	459	token = (token == TOKEN_IN ? TD_IN : TD_OUT);
jksoft	0:4f749f62c6d7	460
jksoft	0:4f749f62c6d7	461	HCTD* head = &endpoint->TDHead;
jksoft	0:4f749f62c6d7	462	HCTD* tail = &_commonTail;
jksoft	0:4f749f62c6d7	463
jksoft	0:4f749f62c6d7	464	head->Control = TD_ROUNDING \| token \| TD_DELAY_INT(0) \| toggle \| TD_CC;
jksoft	0:4f749f62c6d7	465	head->CurrBufPtr = (u32)data;
jksoft	0:4f749f62c6d7	466	head->BufEnd = (u32)(data + len - 1);
jksoft	0:4f749f62c6d7	467	head->Next = (u32)tail;
jksoft	0:4f749f62c6d7	468
jksoft	0:4f749f62c6d7	469	HCED* ed = &endpoint->EndpointDescriptor;
jksoft	0:4f749f62c6d7	470	ed->HeadTd = (u32)head \| (ed->HeadTd & 0x00000002); // carry toggle
jksoft	0:4f749f62c6d7	471	ed->TailTd = (u32)tail;
jksoft	0:4f749f62c6d7	472
jksoft	0:4f749f62c6d7	473	//HCTD* td = head;
jksoft	0:4f749f62c6d7	474	//LOG("%04X TD %08X %08X %08X Next:%08X\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
jksoft	0:4f749f62c6d7	475	//LOG("%04X ED %08X %08X %08X\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
jksoft	0:4f749f62c6d7	476
jksoft	0:4f749f62c6d7	477	switch (endpoint->Flags & 3)
jksoft	0:4f749f62c6d7	478	{
jksoft	0:4f749f62c6d7	479	case ENDPOINT_CONTROL:
jksoft	0:4f749f62c6d7	480	LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
jksoft	0:4f749f62c6d7	481	endpoint->CurrentState = state; // Get in before an int
jksoft	0:4f749f62c6d7	482	LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus \| ControlListFilled;
jksoft	0:4f749f62c6d7	483	LPC_USB->HcControl = LPC_USB->HcControl \| ControlListEnable;
jksoft	0:4f749f62c6d7	484	break;
jksoft	0:4f749f62c6d7	485
jksoft	0:4f749f62c6d7	486	case ENDPOINT_BULK:
jksoft	0:4f749f62c6d7	487	LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
jksoft	0:4f749f62c6d7	488	endpoint->CurrentState = state;
jksoft	0:4f749f62c6d7	489	LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus \| BulkListFilled;
jksoft	0:4f749f62c6d7	490	LPC_USB->HcControl = LPC_USB->HcControl \| BulkListEnable;
jksoft	0:4f749f62c6d7	491	break;
jksoft	0:4f749f62c6d7	492
jksoft	0:4f749f62c6d7	493	case ENDPOINT_INTERRUPT:
jksoft	0:4f749f62c6d7	494	CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
jksoft	0:4f749f62c6d7	495	endpoint->CurrentState = state;
jksoft	0:4f749f62c6d7	496	LPC_USB->HcControl \|= PeriodicListEnable;
jksoft	0:4f749f62c6d7	497	break;
jksoft	0:4f749f62c6d7	498	}
jksoft	0:4f749f62c6d7	499	return 0;
jksoft	0:4f749f62c6d7	500	}
jksoft	0:4f749f62c6d7	501
jksoft	0:4f749f62c6d7	502	// Remove an endpoint from an active queue
jksoft	0:4f749f62c6d7	503	bool Remove(HCED* ed, volatile HCED** queue)
jksoft	0:4f749f62c6d7	504	{
jksoft	0:4f749f62c6d7	505	if (*queue == 0)
jksoft	0:4f749f62c6d7	506	return false;
jksoft	0:4f749f62c6d7	507	if (queue == (volatile HCED)ed)
jksoft	0:4f749f62c6d7	508	{
jksoft	0:4f749f62c6d7	509	queue = (volatile HCED)ed->Next; // At head of queue
jksoft	0:4f749f62c6d7	510	return true;
jksoft	0:4f749f62c6d7	511	}
jksoft	0:4f749f62c6d7	512
jksoft	0:4f749f62c6d7	513	volatile HCED* head = *queue;
jksoft	0:4f749f62c6d7	514	while (head)
jksoft	0:4f749f62c6d7	515	{
jksoft	0:4f749f62c6d7	516	if (head->Next == (u32)ed)
jksoft	0:4f749f62c6d7	517	{
jksoft	0:4f749f62c6d7	518	head->Next = ed->Next;
jksoft	0:4f749f62c6d7	519	return true;
jksoft	0:4f749f62c6d7	520	}
jksoft	0:4f749f62c6d7	521	head = (volatile HCED*)head->Next;
jksoft	0:4f749f62c6d7	522	}
jksoft	0:4f749f62c6d7	523	return false;
jksoft	0:4f749f62c6d7	524	}
jksoft	0:4f749f62c6d7	525
jksoft	0:4f749f62c6d7	526	void Release(Endpoint* endpoint)
jksoft	0:4f749f62c6d7	527	{
jksoft	0:4f749f62c6d7	528	if (endpoint->CurrentState == Endpoint::NotQueued)
jksoft	0:4f749f62c6d7	529	{
jksoft	0:4f749f62c6d7	530	// Never event used it, nothing to do
jksoft	0:4f749f62c6d7	531	}
jksoft	0:4f749f62c6d7	532	else
jksoft	0:4f749f62c6d7	533	{
jksoft	0:4f749f62c6d7	534	HCED* ed = (HCED*)endpoint;
jksoft	0:4f749f62c6d7	535	ed->Control \|= 0x4000; // SKIP
jksoft	0:4f749f62c6d7	536	switch (endpoint->Flags & 0x03)
jksoft	0:4f749f62c6d7	537	{
jksoft	0:4f749f62c6d7	538	case ENDPOINT_CONTROL:
jksoft	0:4f749f62c6d7	539	Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
jksoft	0:4f749f62c6d7	540	break;
jksoft	0:4f749f62c6d7	541	case ENDPOINT_BULK:
jksoft	0:4f749f62c6d7	542	Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
jksoft	0:4f749f62c6d7	543	break;
jksoft	0:4f749f62c6d7	544	case ENDPOINT_INTERRUPT:
jksoft	0:4f749f62c6d7	545	for (int i = 0; i < 32; i++)
jksoft	0:4f749f62c6d7	546	Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
jksoft	0:4f749f62c6d7	547	break;
jksoft	0:4f749f62c6d7	548	}
jksoft	0:4f749f62c6d7	549
jksoft	0:4f749f62c6d7	550	u16 fn = CommunicationArea.FrameNumber;
jksoft	0:4f749f62c6d7	551	while (fn == CommunicationArea.FrameNumber)
jksoft	0:4f749f62c6d7	552	; // Wait for next frame
jksoft	0:4f749f62c6d7	553
jksoft	0:4f749f62c6d7	554	}
jksoft	0:4f749f62c6d7	555
jksoft	0:4f749f62c6d7	556	// In theory, the endpoint is now dead.
jksoft	0:4f749f62c6d7	557	// TODO: Will Callbacks ever be pending? BUGBUG
jksoft	0:4f749f62c6d7	558	memset(endpoint,0,sizeof(Endpoint));
jksoft	0:4f749f62c6d7	559	}
jksoft	0:4f749f62c6d7	560
jksoft	0:4f749f62c6d7	561	// Pop the last TD from the list
jksoft	0:4f749f62c6d7	562	HCTD* Reverse(HCTD* current)
jksoft	0:4f749f62c6d7	563	{
jksoft	0:4f749f62c6d7	564	HCTD result = NULL,temp;
jksoft	0:4f749f62c6d7	565	while (current)
jksoft	0:4f749f62c6d7	566	{
jksoft	0:4f749f62c6d7	567	temp = (HCTD*)current->Next;
jksoft	0:4f749f62c6d7	568	current->Next = (u32)result;
jksoft	0:4f749f62c6d7	569	result = current;
jksoft	0:4f749f62c6d7	570	current = temp;
jksoft	0:4f749f62c6d7	571	}
jksoft	0:4f749f62c6d7	572	return result;
jksoft	0:4f749f62c6d7	573	}
jksoft	0:4f749f62c6d7	574
jksoft	0:4f749f62c6d7	575	// Called from interrupt...
jksoft	0:4f749f62c6d7	576	// Control endpoints use a state machine to progress through the transfers
jksoft	0:4f749f62c6d7	577	void ProcessDoneQueue(u32 tdList)
jksoft	0:4f749f62c6d7	578	{
jksoft	0:4f749f62c6d7	579	HCTD* list = Reverse((HCTD*)tdList);
jksoft	0:4f749f62c6d7	580	while (list)
jksoft	0:4f749f62c6d7	581	{
jksoft	0:4f749f62c6d7	582	Endpoint* endpoint = (Endpoint*)(list-1);
jksoft	0:4f749f62c6d7	583	list = (HCTD*)list->Next;
jksoft	0:4f749f62c6d7	584	int ep = endpoint->Address();
jksoft	0:4f749f62c6d7	585	bool in = endpoint->Flags & 0x80;
jksoft	0:4f749f62c6d7	586	int status = (endpoint->TDHead.Control >> 28) & 0xF;
jksoft	0:4f749f62c6d7	587
jksoft	0:4f749f62c6d7	588	//LOG("ProcessDoneQueue %02X %08X\n",ep,endpoint->TDHead.Control);
jksoft	0:4f749f62c6d7	589
jksoft	0:4f749f62c6d7	590	if (status != 0)
jksoft	0:4f749f62c6d7	591	{
jksoft	0:4f749f62c6d7	592	LOG("ProcessDoneQueue status %02X %d\n",ep,status);
jksoft	0:4f749f62c6d7	593	endpoint->CurrentState = Endpoint::Idle;
jksoft	0:4f749f62c6d7	594	} else {
jksoft	0:4f749f62c6d7	595	switch (endpoint->CurrentState)
jksoft	0:4f749f62c6d7	596	{
jksoft	0:4f749f62c6d7	597	case Endpoint::SetupQueued:
jksoft	0:4f749f62c6d7	598	if (endpoint->Length == 0)
jksoft	0:4f749f62c6d7	599	Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
jksoft	0:4f749f62c6d7	600	else
jksoft	0:4f749f62c6d7	601	Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
jksoft	0:4f749f62c6d7	602	break;
jksoft	0:4f749f62c6d7	603
jksoft	0:4f749f62c6d7	604	case Endpoint::DataQueued:
jksoft	0:4f749f62c6d7	605	if (endpoint->TDHead.CurrBufPtr)
jksoft	0:4f749f62c6d7	606	endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
jksoft	0:4f749f62c6d7	607
jksoft	0:4f749f62c6d7	608	if (ep == 0)
jksoft	0:4f749f62c6d7	609	Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
jksoft	0:4f749f62c6d7	610	else
jksoft	0:4f749f62c6d7	611	endpoint->CurrentState = Endpoint::Idle;
jksoft	0:4f749f62c6d7	612	break;
jksoft	0:4f749f62c6d7	613
jksoft	0:4f749f62c6d7	614	case Endpoint::StatusQueued: // Transaction is done
jksoft	0:4f749f62c6d7	615	endpoint->CurrentState = Endpoint::Idle;
jksoft	0:4f749f62c6d7	616	break;
jksoft	0:4f749f62c6d7	617	}
jksoft	0:4f749f62c6d7	618	}
jksoft	0:4f749f62c6d7	619
jksoft	0:4f749f62c6d7	620	// Complete, flag if we need a callback
jksoft	0:4f749f62c6d7	621	if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
jksoft	0:4f749f62c6d7	622	{
jksoft	0:4f749f62c6d7	623	endpoint->CurrentState = Endpoint::CallbackPending;
jksoft	0:4f749f62c6d7	624	_callbacksPending++;
jksoft	0:4f749f62c6d7	625	}
jksoft	0:4f749f62c6d7	626	}
jksoft	0:4f749f62c6d7	627	}
jksoft	0:4f749f62c6d7	628
jksoft	0:4f749f62c6d7	629	// Hack to reset devices that don't want to connect
jksoft	0:4f749f62c6d7	630	int AddDevice(int hub, int port, bool isLowSpeed)
jksoft	0:4f749f62c6d7	631	{
jksoft	0:4f749f62c6d7	632	int device = AddDeviceCore(hub,port,isLowSpeed);
jksoft	0:4f749f62c6d7	633	if (device < 0)
jksoft	0:4f749f62c6d7	634	{
jksoft	0:4f749f62c6d7	635	LOG("========RETRY ADD DEVICE========\n"); // This will go for ever.. TODO power cycle root?
jksoft	0:4f749f62c6d7	636	Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
jksoft	0:4f749f62c6d7	637	ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
jksoft	0:4f749f62c6d7	638	return -1;
jksoft	0:4f749f62c6d7	639	}
jksoft	0:4f749f62c6d7	640	return device;
jksoft	0:4f749f62c6d7	641	}
jksoft	0:4f749f62c6d7	642
jksoft	0:4f749f62c6d7	643	int AddDeviceCore(int hub, int port, bool isLowSpeed)
jksoft	0:4f749f62c6d7	644	{
jksoft	0:4f749f62c6d7	645	int lowSpeed = isLowSpeed ? 0x2000 : 0;
jksoft	0:4f749f62c6d7	646	DeviceDescriptor desc;
jksoft	0:4f749f62c6d7	647	EndpointZero.EndpointDescriptor.Control = (8 << 16) \| lowSpeed; // MaxPacketSize == 8
jksoft	0:4f749f62c6d7	648	int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
jksoft	0:4f749f62c6d7	649	if (r < 0)
jksoft	0:4f749f62c6d7	650	{
jksoft	0:4f749f62c6d7	651	LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\n");
jksoft	0:4f749f62c6d7	652	return r;
jksoft	0:4f749f62c6d7	653	}
jksoft	0:4f749f62c6d7	654
jksoft	0:4f749f62c6d7	655	EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) \| lowSpeed; // Actual MaxPacketSize
jksoft	0:4f749f62c6d7	656	r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
jksoft	0:4f749f62c6d7	657	if (r < 0)
jksoft	0:4f749f62c6d7	658	return r;
jksoft	0:4f749f62c6d7	659
jksoft	0:4f749f62c6d7	660	LOG("\nClass %02X found %04X:%04X\n\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
jksoft	0:4f749f62c6d7	661
jksoft	0:4f749f62c6d7	662	// Now assign the device an address, move off EndpointZero
jksoft	0:4f749f62c6d7	663	int device = 0;
jksoft	0:4f749f62c6d7	664	for (int i = 0; i < MAX_DEVICES; i++)
jksoft	0:4f749f62c6d7	665	{
jksoft	0:4f749f62c6d7	666	if (Devices[i].Port == 0)
jksoft	0:4f749f62c6d7	667	{
jksoft	0:4f749f62c6d7	668	device = i+1;
jksoft	0:4f749f62c6d7	669	break;
jksoft	0:4f749f62c6d7	670	}
jksoft	0:4f749f62c6d7	671	}
jksoft	0:4f749f62c6d7	672	if (!device)
jksoft	0:4f749f62c6d7	673	return ERR_DEVICE_NONE_LEFT;
jksoft	0:4f749f62c6d7	674
jksoft	0:4f749f62c6d7	675	r = SetAddress(0,device);
jksoft	0:4f749f62c6d7	676	if (r)
jksoft	0:4f749f62c6d7	677	return r;
jksoft	0:4f749f62c6d7	678	DelayMS(2);
jksoft	0:4f749f62c6d7	679
jksoft	0:4f749f62c6d7	680	// Now at a nonzero address, create control endpoint
jksoft	0:4f749f62c6d7	681	Device* dev = &Devices[device-1];
jksoft	0:4f749f62c6d7	682	dev->Init(&desc,hub,port,device,lowSpeed);
jksoft	0:4f749f62c6d7	683	AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
jksoft	0:4f749f62c6d7	684	_connectPending = 0;
jksoft	0:4f749f62c6d7	685
jksoft	0:4f749f62c6d7	686	// Verify this all works
jksoft	0:4f749f62c6d7	687	r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
jksoft	0:4f749f62c6d7	688	if (r < 0)
jksoft	0:4f749f62c6d7	689	return r;
jksoft	0:4f749f62c6d7	690
jksoft	0:4f749f62c6d7	691	// Set to interface 0 by default
jksoft	0:4f749f62c6d7	692	// Calls LoadDevice if interface is found
jksoft	0:4f749f62c6d7	693	r = SetConfigurationAndInterface(device,1,0,&desc);
jksoft	0:4f749f62c6d7	694
jksoft	0:4f749f62c6d7	695	if (desc.bDeviceClass == CLASS_HUB)
jksoft	0:4f749f62c6d7	696	InitHub(device); // Handle hubs in this code
jksoft	0:4f749f62c6d7	697
jksoft	0:4f749f62c6d7	698	return device;
jksoft	0:4f749f62c6d7	699	}
jksoft	0:4f749f62c6d7	700
jksoft	0:4f749f62c6d7	701	// Walk descriptors and create endpoints for a given device
jksoft	0:4f749f62c6d7	702	// TODO configuration !=1, alternate settings etc.
jksoft	0:4f749f62c6d7	703	int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
jksoft	0:4f749f62c6d7	704	{
jksoft	0:4f749f62c6d7	705	u8 buffer[255];
jksoft	0:4f749f62c6d7	706	int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
jksoft	0:4f749f62c6d7	707	if (err < 0)
jksoft	0:4f749f62c6d7	708	return err;
jksoft	0:4f749f62c6d7	709
jksoft	0:4f749f62c6d7	710	err = SetConfiguration(device,configuration);
jksoft	0:4f749f62c6d7	711	if (err < 0)
jksoft	0:4f749f62c6d7	712	return err;
jksoft	0:4f749f62c6d7	713
jksoft	0:4f749f62c6d7	714	// Add the endpoints for this interface
jksoft	0:4f749f62c6d7	715	int len = buffer[2] \| (buffer[3] << 8);
jksoft	0:4f749f62c6d7	716	u8* d = buffer;
jksoft	0:4f749f62c6d7	717	u8* end = d + len;
jksoft	0:4f749f62c6d7	718	InterfaceDescriptor* found = 0;
jksoft	0:4f749f62c6d7	719	while (d < end)
jksoft	0:4f749f62c6d7	720	{
jksoft	0:4f749f62c6d7	721	if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
jksoft	0:4f749f62c6d7	722	{
jksoft	0:4f749f62c6d7	723	InterfaceDescriptor* id = (InterfaceDescriptor*)d;
jksoft	0:4f749f62c6d7	724	if (id->bInterfaceNumber == interfaceNumber)
jksoft	0:4f749f62c6d7	725	{
jksoft	0:4f749f62c6d7	726	found = id;
jksoft	0:4f749f62c6d7	727	d += d[0];
jksoft	0:4f749f62c6d7	728	while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
jksoft	0:4f749f62c6d7	729	{
jksoft	0:4f749f62c6d7	730	switch (d[1])
jksoft	0:4f749f62c6d7	731	{
jksoft	0:4f749f62c6d7	732	case DESCRIPTOR_TYPE_ENDPOINT:
jksoft	0:4f749f62c6d7	733	AddEndpoint(device,(EndpointDescriptor*)d);
jksoft	0:4f749f62c6d7	734	break;
jksoft	0:4f749f62c6d7	735	default:
jksoft	0:4f749f62c6d7	736	LOG("Skipping descriptor %02X (%d bytes)\n",d[1],d[0]);
jksoft	0:4f749f62c6d7	737	}
jksoft	0:4f749f62c6d7	738	d += d[0];
jksoft	0:4f749f62c6d7	739	}
jksoft	0:4f749f62c6d7	740	}
jksoft	0:4f749f62c6d7	741	}
jksoft	0:4f749f62c6d7	742	d += d[0];
jksoft	0:4f749f62c6d7	743	}
jksoft	0:4f749f62c6d7	744
jksoft	0:4f749f62c6d7	745	if (!found)
jksoft	0:4f749f62c6d7	746	return ERR_INTERFACE_NOT_FOUND;
jksoft	0:4f749f62c6d7	747	OnLoadDevice(device,desc,found);
jksoft	0:4f749f62c6d7	748	return 0;
jksoft	0:4f749f62c6d7	749	}
jksoft	0:4f749f62c6d7	750
jksoft	0:4f749f62c6d7	751	void Init()
jksoft	0:4f749f62c6d7	752	{
jksoft	0:4f749f62c6d7	753	LOG("USB INIT (Controller is %d bytes)\n",sizeof(*this));
jksoft	0:4f749f62c6d7	754	memset(this,0,sizeof(HostController));
jksoft	0:4f749f62c6d7	755	EndpointZero.CurrentState = Endpoint::NotQueued;
jksoft	0:4f749f62c6d7	756	HWInit(&CommunicationArea);
jksoft	0:4f749f62c6d7	757	DelayMS(10);
jksoft	0:4f749f62c6d7	758	}
jksoft	0:4f749f62c6d7	759
jksoft	0:4f749f62c6d7	760	void ResetPort(int hub, int port)
jksoft	0:4f749f62c6d7	761	{
jksoft	0:4f749f62c6d7	762	LOG("ResetPort Hub:%d Port:%d\n",hub,port);
jksoft	0:4f749f62c6d7	763	_connectPending++; // Only reset/add 1 device at a time
jksoft	0:4f749f62c6d7	764	if (hub == 0)
jksoft	0:4f749f62c6d7	765	LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
jksoft	0:4f749f62c6d7	766	else
jksoft	0:4f749f62c6d7	767	SetPortReset(hub,port); // or reset other hub
jksoft	0:4f749f62c6d7	768	}
jksoft	0:4f749f62c6d7	769
jksoft	0:4f749f62c6d7	770	void Disconnect(int hub, int port)
jksoft	0:4f749f62c6d7	771	{
jksoft	0:4f749f62c6d7	772	LOG("Disconnect Hub:%d Port:%d\n",hub,port); // Mark a device for destruction
jksoft	0:4f749f62c6d7	773	for (int i = 0; i < MAX_DEVICES; i++)
jksoft	0:4f749f62c6d7	774	{
jksoft	0:4f749f62c6d7	775	Device* dev = Devices + i;
jksoft	0:4f749f62c6d7	776	if (dev->Port == port && dev->Hub == hub)
jksoft	0:4f749f62c6d7	777	{
jksoft	0:4f749f62c6d7	778	// Disconnect everything that is attached to this device if it is a hub
jksoft	0:4f749f62c6d7	779	for (int p = 0; p < dev->HubPortCount; p++)
jksoft	0:4f749f62c6d7	780	Disconnect(i+1,p+1);
jksoft	0:4f749f62c6d7	781
jksoft	0:4f749f62c6d7	782	// Now release endpoints
jksoft	0:4f749f62c6d7	783	for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
jksoft	0:4f749f62c6d7	784	{
jksoft	0:4f749f62c6d7	785	u8 endpointIndex = dev->_endpointMap[j];
jksoft	0:4f749f62c6d7	786	if (endpointIndex != 0xFF)
jksoft	0:4f749f62c6d7	787	Release(Endpoints + endpointIndex);
jksoft	0:4f749f62c6d7	788	}
jksoft	0:4f749f62c6d7	789	dev->Port = 0; // Device is now free
jksoft	0:4f749f62c6d7	790	dev->Flags = 0;
jksoft	0:4f749f62c6d7	791	return;
jksoft	0:4f749f62c6d7	792	}
jksoft	0:4f749f62c6d7	793	}
jksoft	0:4f749f62c6d7	794	}
jksoft	0:4f749f62c6d7	795
jksoft	0:4f749f62c6d7	796	// called after reset
jksoft	0:4f749f62c6d7	797	void Connect(int hub, int port, bool lowspeed)
jksoft	0:4f749f62c6d7	798	{
jksoft	0:4f749f62c6d7	799	LOG("Connect Hub:%d Port:%d %s\n",hub,port,lowspeed ? "slow" : "full");
jksoft	0:4f749f62c6d7	800	AddDevice(hub,port,lowspeed);
jksoft	0:4f749f62c6d7	801	}
jksoft	0:4f749f62c6d7	802
jksoft	0:4f749f62c6d7	803	// Called from interrupt
jksoft	0:4f749f62c6d7	804	void HubStatusChange(int hub, int port, u32 status)
jksoft	0:4f749f62c6d7	805	{
jksoft	0:4f749f62c6d7	806	LOG("HubStatusChange Hub:%d Port:%d %08X\n",hub,port,status);
jksoft	0:4f749f62c6d7	807	if (status & ConnectStatusChange)
jksoft	0:4f749f62c6d7	808	{
jksoft	0:4f749f62c6d7	809	if (status & CurrentConnectStatus) // Connecting
jksoft	0:4f749f62c6d7	810	ResetPort(hub,port); // Reset to initiate connect (state machine?)
jksoft	0:4f749f62c6d7	811	else
jksoft	0:4f749f62c6d7	812	Disconnect(hub,port);
jksoft	0:4f749f62c6d7	813	}
jksoft	0:4f749f62c6d7	814
jksoft	0:4f749f62c6d7	815	if (status & PortResetStatusChange)
jksoft	0:4f749f62c6d7	816	{
jksoft	0:4f749f62c6d7	817	if (!(status & PortResetStatus))
jksoft	0:4f749f62c6d7	818	{
jksoft	0:4f749f62c6d7	819	_connectCountdown = 200; // Schedule a connection in 200ms
jksoft	0:4f749f62c6d7	820	if (status & LowspeedDevice)
jksoft	0:4f749f62c6d7	821	port \|= 0x80;
jksoft	0:4f749f62c6d7	822	_connectHub = hub;
jksoft	0:4f749f62c6d7	823	_connectPort = port;
jksoft	0:4f749f62c6d7	824	}
jksoft	0:4f749f62c6d7	825	}
jksoft	0:4f749f62c6d7	826	}
jksoft	0:4f749f62c6d7	827
jksoft	0:4f749f62c6d7	828	#define HOST_CLK_EN (1<<0)
jksoft	0:4f749f62c6d7	829	#define PORTSEL_CLK_EN (1<<3)
jksoft	0:4f749f62c6d7	830	#define AHB_CLK_EN (1<<4)
jksoft	0:4f749f62c6d7	831	#define CLOCK_MASK (HOST_CLK_EN \| PORTSEL_CLK_EN \| AHB_CLK_EN)
jksoft	0:4f749f62c6d7	832
jksoft	0:4f749f62c6d7	833	#define FRAMEINTERVAL (12000-1) // 1ms
jksoft	0:4f749f62c6d7	834	#define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) \| FRAMEINTERVAL)
jksoft	0:4f749f62c6d7	835
jksoft	0:4f749f62c6d7	836	void DelayMS(int ms)
jksoft	0:4f749f62c6d7	837	{
jksoft	0:4f749f62c6d7	838	u16 f = ms + CommunicationArea.FrameNumber;
jksoft	0:4f749f62c6d7	839	while (f != CommunicationArea.FrameNumber)
jksoft	0:4f749f62c6d7	840	;
jksoft	0:4f749f62c6d7	841	}
jksoft	0:4f749f62c6d7	842
jksoft	0:4f749f62c6d7	843	static void HWInit(HCCA* cca)
jksoft	0:4f749f62c6d7	844	{
jksoft	0:4f749f62c6d7	845	NVIC_DisableIRQ(USB_IRQn);
jksoft	0:4f749f62c6d7	846
jksoft	0:4f749f62c6d7	847	// turn on power for USB
jksoft	0:4f749f62c6d7	848	LPC_SC->PCONP \|= (1UL<<31);
jksoft	0:4f749f62c6d7	849	// Enable USB host clock, port selection and AHB clock
jksoft	0:4f749f62c6d7	850	LPC_USB->USBClkCtrl \|= CLOCK_MASK;
jksoft	0:4f749f62c6d7	851	// Wait for clocks to become available
jksoft	0:4f749f62c6d7	852	while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
jksoft	0:4f749f62c6d7	853	;
jksoft	0:4f749f62c6d7	854
jksoft	0:4f749f62c6d7	855	// We are a Host
jksoft	0:4f749f62c6d7	856	LPC_USB->OTGStCtrl \|= 1;
jksoft	0:4f749f62c6d7	857	LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
jksoft	0:4f749f62c6d7	858
jksoft	0:4f749f62c6d7	859	// configure USB pins
jksoft	0:4f749f62c6d7	860	LPC_PINCON->PINSEL1 &= ~((3<<26)\|(3<<28));
jksoft	0:4f749f62c6d7	861	LPC_PINCON->PINSEL1 \|= ((1<<26)\|(1<<28)); // USB D+/D-
jksoft	0:4f749f62c6d7	862
jksoft	0:4f749f62c6d7	863	LPC_PINCON->PINSEL3 &= ~((3 << 6) \| (3 << 22)); // USB_PPWR, USB_OVRCR
jksoft	0:4f749f62c6d7	864	LPC_PINCON->PINSEL3 \|= ((2 << 6) \| (2 << 22));
jksoft	0:4f749f62c6d7	865
jksoft	0:4f749f62c6d7	866	LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
jksoft	0:4f749f62c6d7	867	LPC_PINCON->PINSEL4 \|= (1 << 18);
jksoft	0:4f749f62c6d7	868
jksoft	0:4f749f62c6d7	869	// Reset OHCI block
jksoft	0:4f749f62c6d7	870	LPC_USB->HcControl = 0;
jksoft	0:4f749f62c6d7	871	LPC_USB->HcControlHeadED = 0;
jksoft	0:4f749f62c6d7	872	LPC_USB->HcBulkHeadED = 0;
jksoft	0:4f749f62c6d7	873
jksoft	0:4f749f62c6d7	874	LPC_USB->HcCommandStatus = HostControllerReset;
jksoft	0:4f749f62c6d7	875	LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
jksoft	0:4f749f62c6d7	876	LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
jksoft	0:4f749f62c6d7	877
jksoft	0:4f749f62c6d7	878	LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) \| OperationalMask;
jksoft	0:4f749f62c6d7	879	LPC_USB->HcRhStatus = SetGlobalPower;
jksoft	0:4f749f62c6d7	880
jksoft	0:4f749f62c6d7	881	LPC_USB->HcHCCA = (u32)cca;
jksoft	0:4f749f62c6d7	882	LPC_USB->HcInterruptStatus \|= LPC_USB->HcInterruptStatus;
jksoft	0:4f749f62c6d7	883	LPC_USB->HcInterruptEnable = MasterInterruptEnable \| WritebackDoneHead \| RootHubStatusChange \| FrameNumberOverflow;
jksoft	0:4f749f62c6d7	884
jksoft	0:4f749f62c6d7	885	NVIC_SetPriority(USB_IRQn, 0);
jksoft	0:4f749f62c6d7	886	NVIC_EnableIRQ(USB_IRQn);
jksoft	0:4f749f62c6d7	887	while (cca->FrameNumber < 10)
jksoft	0:4f749f62c6d7	888	; // 10ms delay before diving in
jksoft	0:4f749f62c6d7	889	}
jksoft	0:4f749f62c6d7	890	};
jksoft	0:4f749f62c6d7	891
jksoft	0:4f749f62c6d7	892	//====================================================================================
jksoft	0:4f749f62c6d7	893	//====================================================================================
jksoft	0:4f749f62c6d7	894	// Host controller instance and Interrupt handler
jksoft	0:4f749f62c6d7	895
jksoft	0:4f749f62c6d7	896	static HostController _controller __attribute__((at(USB_RAM_BASE)));
jksoft	0:4f749f62c6d7	897
jksoft	0:4f749f62c6d7	898	extern "C" void USB_IRQHandler(void) __irq;
jksoft	0:4f749f62c6d7	899	void USB_IRQHandler (void) __irq
jksoft	0:4f749f62c6d7	900	{
jksoft	0:4f749f62c6d7	901	u32 int_status = LPC_USB->HcInterruptStatus;
jksoft	0:4f749f62c6d7	902
jksoft	0:4f749f62c6d7	903	if (int_status & RootHubStatusChange) // Root hub status change
jksoft	0:4f749f62c6d7	904	_controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
jksoft	0:4f749f62c6d7	905
jksoft	0:4f749f62c6d7	906	u32 head = 0;
jksoft	0:4f749f62c6d7	907	if (int_status & WritebackDoneHead)
jksoft	0:4f749f62c6d7	908	{
jksoft	0:4f749f62c6d7	909	head = _controller.CommunicationArea.DoneHead; // Writeback Done
jksoft	0:4f749f62c6d7	910	_controller.CommunicationArea.DoneHead = 0;
jksoft	0:4f749f62c6d7	911	}
jksoft	0:4f749f62c6d7	912	LPC_USB->HcInterruptStatus = int_status;
jksoft	0:4f749f62c6d7	913
jksoft	0:4f749f62c6d7	914	if (head)
jksoft	0:4f749f62c6d7	915	_controller.ProcessDoneQueue(head); // TODO - low bit can be set BUGBUG
jksoft	0:4f749f62c6d7	916	}
jksoft	0:4f749f62c6d7	917
jksoft	0:4f749f62c6d7	918	//====================================================================================
jksoft	0:4f749f62c6d7	919	//====================================================================================
jksoft	0:4f749f62c6d7	920	// API Methods
jksoft	0:4f749f62c6d7	921
jksoft	0:4f749f62c6d7	922	void USBInit()
jksoft	0:4f749f62c6d7	923	{
jksoft	0:4f749f62c6d7	924	return _controller.Init();
jksoft	0:4f749f62c6d7	925	}
jksoft	0:4f749f62c6d7	926
jksoft	0:4f749f62c6d7	927	void USBLoop()
jksoft	0:4f749f62c6d7	928	{
jksoft	0:4f749f62c6d7	929	return _controller.Loop();
jksoft	0:4f749f62c6d7	930	}
jksoft	0:4f749f62c6d7	931
jksoft	0:4f749f62c6d7	932	u8* USBGetBuffer(u32* len)
jksoft	0:4f749f62c6d7	933	{
jksoft	0:4f749f62c6d7	934	*len = USB_RAM_SIZE - sizeof(HostController);
jksoft	0:4f749f62c6d7	935	return _controller.SRAM;
jksoft	0:4f749f62c6d7	936	}
jksoft	0:4f749f62c6d7	937
jksoft	0:4f749f62c6d7	938	static Setup* GetSetup(int device)
jksoft	0:4f749f62c6d7	939	{
jksoft	0:4f749f62c6d7	940	if (device == 0)
jksoft	0:4f749f62c6d7	941	return &_controller._setupZero;
jksoft	0:4f749f62c6d7	942
jksoft	0:4f749f62c6d7	943	if (device < 1 \|\| device > MAX_DEVICES)
jksoft	0:4f749f62c6d7	944	return 0;
jksoft	0:4f749f62c6d7	945	return &_controller.Devices[device-1].SetupBuffer;
jksoft	0:4f749f62c6d7	946	}
jksoft	0:4f749f62c6d7	947
jksoft	0:4f749f62c6d7	948	// Loop until IO on endpoint is complete
jksoft	0:4f749f62c6d7	949	static int WaitIODone(Endpoint* endpoint)
jksoft	0:4f749f62c6d7	950	{
jksoft	0:4f749f62c6d7	951	if (endpoint->CurrentState == Endpoint::NotQueued)
jksoft	0:4f749f62c6d7	952	return 0;
jksoft	0:4f749f62c6d7	953	while (endpoint->CurrentState != Endpoint::Idle)
jksoft	0:4f749f62c6d7	954	USBLoop(); // May generate callbacks, mount or unmount devices etc
jksoft	0:4f749f62c6d7	955	int status = endpoint->Status();
jksoft	0:4f749f62c6d7	956	if (status == 0)
jksoft	0:4f749f62c6d7	957	return endpoint->Length;
jksoft	0:4f749f62c6d7	958	return -status;
jksoft	0:4f749f62c6d7	959	}
jksoft	0:4f749f62c6d7	960
jksoft	0:4f749f62c6d7	961	int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
jksoft	0:4f749f62c6d7	962	{
jksoft	0:4f749f62c6d7	963	Endpoint* endpoint = _controller.GetEndpoint(device,ep);
jksoft	0:4f749f62c6d7	964	if (!endpoint)
jksoft	0:4f749f62c6d7	965	return ERR_ENDPOINT_NOT_FOUND;
jksoft	0:4f749f62c6d7	966
jksoft	0:4f749f62c6d7	967	WaitIODone(endpoint);
jksoft	0:4f749f62c6d7	968	endpoint->Flags = flags;
jksoft	0:4f749f62c6d7	969	endpoint->Data = data;
jksoft	0:4f749f62c6d7	970	endpoint->Length = length;
jksoft	0:4f749f62c6d7	971	endpoint->Callback = callback;
jksoft	0:4f749f62c6d7	972	endpoint->UserData = userData;
jksoft	0:4f749f62c6d7	973	if (ep == 0)
jksoft	0:4f749f62c6d7	974	_controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
jksoft	0:4f749f62c6d7	975	else
jksoft	0:4f749f62c6d7	976	_controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
jksoft	0:4f749f62c6d7	977	if (callback)
jksoft	0:4f749f62c6d7	978	return IO_PENDING;
jksoft	0:4f749f62c6d7	979	return WaitIODone(endpoint);
jksoft	0:4f749f62c6d7	980	}
jksoft	0:4f749f62c6d7	981
jksoft	0:4f749f62c6d7	982	int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
jksoft	0:4f749f62c6d7	983	{
jksoft	0:4f749f62c6d7	984	Setup* setup = GetSetup(device);
jksoft	0:4f749f62c6d7	985	if (!setup)
jksoft	0:4f749f62c6d7	986	return ERR_DEVICE_NOT_FOUND;
jksoft	0:4f749f62c6d7	987
jksoft	0:4f749f62c6d7	988	// Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
jksoft	0:4f749f62c6d7	989	WaitIODone(_controller.GetEndpoint(device,0));
jksoft	0:4f749f62c6d7	990
jksoft	0:4f749f62c6d7	991	setup->bm_request_type = request_type;
jksoft	0:4f749f62c6d7	992	setup->b_request = request;
jksoft	0:4f749f62c6d7	993	setup->w_value = value;
jksoft	0:4f749f62c6d7	994	setup->w_index = index;
jksoft	0:4f749f62c6d7	995	setup->w_length = length;
jksoft	0:4f749f62c6d7	996	return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
jksoft	0:4f749f62c6d7	997	}
jksoft	0:4f749f62c6d7	998
jksoft	0:4f749f62c6d7	999	int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
jksoft	0:4f749f62c6d7	1000	{
jksoft	0:4f749f62c6d7	1001	return USBTransfer(device,ep,(ep & 0x80) \| ENDPOINT_INTERRUPT,data,length,callback,userData);
jksoft	0:4f749f62c6d7	1002	}
jksoft	0:4f749f62c6d7	1003
jksoft	0:4f749f62c6d7	1004	int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
jksoft	0:4f749f62c6d7	1005	{
jksoft	0:4f749f62c6d7	1006	return USBTransfer(device,ep,(ep & 0x80) \| ENDPOINT_BULK,data,length,callback,userData);
jksoft	0:4f749f62c6d7	1007	}
jksoft	0:4f749f62c6d7	1008
jksoft	0:4f749f62c6d7	1009	int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
jksoft	0:4f749f62c6d7	1010	{
jksoft	0:4f749f62c6d7	1011	return USBControlTransfer(device,DEVICE_TO_HOST \| RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)\|(descIndex), 0, data, length, 0);
jksoft	0:4f749f62c6d7	1012	}
jksoft	0:4f749f62c6d7	1013
jksoft	0:4f749f62c6d7	1014	int GetString(int device, int index, char* dst, int length)
jksoft	0:4f749f62c6d7	1015	{
jksoft	0:4f749f62c6d7	1016	u8 buffer[255];
jksoft	0:4f749f62c6d7	1017	int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
jksoft	0:4f749f62c6d7	1018	if (le < 0)
jksoft	0:4f749f62c6d7	1019	return le;
jksoft	0:4f749f62c6d7	1020	if (length < 1)
jksoft	0:4f749f62c6d7	1021	return -1;
jksoft	0:4f749f62c6d7	1022	length <<= 1;
jksoft	0:4f749f62c6d7	1023	if (le > length)
jksoft	0:4f749f62c6d7	1024	le = length;
jksoft	0:4f749f62c6d7	1025	for (int j = 2; j < le; j += 2)
jksoft	0:4f749f62c6d7	1026	*dst++ = buffer[j];
jksoft	0:4f749f62c6d7	1027	*dst = 0;
jksoft	0:4f749f62c6d7	1028	return (le>>1)-1;
jksoft	0:4f749f62c6d7	1029	}
jksoft	0:4f749f62c6d7	1030
jksoft	0:4f749f62c6d7	1031	int SetAddress(int device, int new_addr)
jksoft	0:4f749f62c6d7	1032	{
jksoft	0:4f749f62c6d7	1033	return USBControlTransfer(device,HOST_TO_DEVICE \| RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
jksoft	0:4f749f62c6d7	1034	}
jksoft	0:4f749f62c6d7	1035
jksoft	0:4f749f62c6d7	1036	int SetConfiguration(int device, int configNum)
jksoft	0:4f749f62c6d7	1037	{
jksoft	0:4f749f62c6d7	1038	return USBControlTransfer(device,HOST_TO_DEVICE \| RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
jksoft	0:4f749f62c6d7	1039	}
jksoft	0:4f749f62c6d7	1040
jksoft	0:4f749f62c6d7	1041	int SetInterface(int device, int ifNum, int altNum)
jksoft	0:4f749f62c6d7	1042	{
jksoft	0:4f749f62c6d7	1043	return USBControlTransfer(device,HOST_TO_DEVICE \| RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
jksoft	0:4f749f62c6d7	1044	}
jksoft	0:4f749f62c6d7	1045
jksoft	0:4f749f62c6d7	1046	// HUB stuff
jksoft	0:4f749f62c6d7	1047	int SetPortFeature(int device, int feature, int index)
jksoft	0:4f749f62c6d7	1048	{
jksoft	0:4f749f62c6d7	1049	return USBControlTransfer(device,HOST_TO_DEVICE \| REQUEST_TYPE_CLASS \| RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
jksoft	0:4f749f62c6d7	1050	}
jksoft	0:4f749f62c6d7	1051
jksoft	0:4f749f62c6d7	1052	int ClearPortFeature(int device, int feature, int index)
jksoft	0:4f749f62c6d7	1053	{
jksoft	0:4f749f62c6d7	1054	return USBControlTransfer(device,HOST_TO_DEVICE \| REQUEST_TYPE_CLASS \| RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
jksoft	0:4f749f62c6d7	1055	}
jksoft	0:4f749f62c6d7	1056
jksoft	0:4f749f62c6d7	1057	int SetPortPower(int device, int port)
jksoft	0:4f749f62c6d7	1058	{
jksoft	0:4f749f62c6d7	1059	int r = SetPortFeature(device,PORT_POWER,port);
jksoft	0:4f749f62c6d7	1060	_controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
jksoft	0:4f749f62c6d7	1061	return r;
jksoft	0:4f749f62c6d7	1062	}
jksoft	0:4f749f62c6d7	1063
jksoft	0:4f749f62c6d7	1064	int SetPortReset(int device, int port)
jksoft	0:4f749f62c6d7	1065	{
jksoft	0:4f749f62c6d7	1066	return SetPortFeature(device,PORT_RESET,port);
jksoft	0:4f749f62c6d7	1067	}
jksoft	0:4f749f62c6d7	1068
jksoft	0:4f749f62c6d7	1069	int GetPortStatus(int device, int port, u32* status)
jksoft	0:4f749f62c6d7	1070	{
jksoft	0:4f749f62c6d7	1071	return USBControlTransfer(device,DEVICE_TO_HOST \| REQUEST_TYPE_CLASS \| RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
jksoft	0:4f749f62c6d7	1072	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	29 Apr 2011
Imports:	42
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	3
Followers:	2

BlueUSB/USBHost.cpp@0:4f749f62c6d7, 2011-04-29 (annotated)

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