Yoonseok Pyo / Mbed 2 deprecated ORTP-L_WiiRemoteTest

ORTP-L_WiiRemoteTest

Dependencies:   Motordriver mbed FatFileSystem

Fork of WallbotTypeN by Junichi Katsu

BlueUSB/USBHost.cpp@1:df4118878dc4, 2013-03-29 (annotated)

Committer:
passionvirus
Date:
Fri Mar 29 09:05:28 2013 +0000
Revision:
1:df4118878dc4
Parent:
0:425791fe4b42 
init

Who changed what in which revision?

UserRevisionLine numberNew 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 }