Sami Alshorman / Mbed 2 deprecated BluetoothNONIN

Pulse Oximeter (NONIN) communicates with mbed via Bluetooth dongle and sends Heart Rate and Oxygen Saturation via GPRS module

Dependencies:   C12832 GPS GSM mbed

Fork of myBlueUSB_localfix by Nobuaki Aoki

myUSBHost/USBHost.cpp@0:003889bc474f, 2013-12-07 (annotated)

Committer:
nobukuma
Date:
Sat Dec 07 14:19:00 2013 +0000
Revision:
0:003889bc474f
http://mbed.org/users/networker/code/myBlueUSB/ rev13??rev12??????????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nobukuma 0:003889bc474f 1
nobukuma 0:003889bc474f 2 /*
nobukuma 0:003889bc474f 3 Copyright (c) 2010 Peter Barrett
nobukuma 0:003889bc474f 4
nobukuma 0:003889bc474f 5 Permission is hereby granted, free of charge, to any person obtaining a copy
nobukuma 0:003889bc474f 6 of this software and associated documentation files (the "Software"), to deal
nobukuma 0:003889bc474f 7 in the Software without restriction, including without limitation the rights
nobukuma 0:003889bc474f 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
nobukuma 0:003889bc474f 9 copies of the Software, and to permit persons to whom the Software is
nobukuma 0:003889bc474f 10 furnished to do so, subject to the following conditions:
nobukuma 0:003889bc474f 11
nobukuma 0:003889bc474f 12 The above copyright notice and this permission notice shall be included in
nobukuma 0:003889bc474f 13 all copies or substantial portions of the Software.
nobukuma 0:003889bc474f 14
nobukuma 0:003889bc474f 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
nobukuma 0:003889bc474f 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
nobukuma 0:003889bc474f 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
nobukuma 0:003889bc474f 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
nobukuma 0:003889bc474f 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
nobukuma 0:003889bc474f 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
nobukuma 0:003889bc474f 21 THE SOFTWARE.
nobukuma 0:003889bc474f 22 */
nobukuma 0:003889bc474f 23
nobukuma 0:003889bc474f 24 #include "mbed.h"
nobukuma 0:003889bc474f 25 #include "USBHost.h"
nobukuma 0:003889bc474f 26 #include "Utils.h"
nobukuma 0:003889bc474f 27
nobukuma 0:003889bc474f 28 // Config (default uses x bytes)
nobukuma 0:003889bc474f 29 #define MAX_DEVICES 8 // Max number of devices
nobukuma 0:003889bc474f 30 #define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
nobukuma 0:003889bc474f 31 #define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
nobukuma 0:003889bc474f 32
nobukuma 0:003889bc474f 33 #define USBLOG 1
nobukuma 0:003889bc474f 34 #if USBLOG
nobukuma 0:003889bc474f 35 #define LOG(...) printf(__VA_ARGS__)
nobukuma 0:003889bc474f 36 #else
nobukuma 0:003889bc474f 37 #define LOG(...) do {} while(0)
nobukuma 0:003889bc474f 38 #endif
nobukuma 0:003889bc474f 39
nobukuma 0:003889bc474f 40 // USB host structures
nobukuma 0:003889bc474f 41
nobukuma 0:003889bc474f 42 #define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
nobukuma 0:003889bc474f 43 #define USB_RAM_BASE 0x2007C000
nobukuma 0:003889bc474f 44
nobukuma 0:003889bc474f 45 #define TOKEN_SETUP 0
nobukuma 0:003889bc474f 46 #define TOKEN_IN 1
nobukuma 0:003889bc474f 47 #define TOKEN_OUT 2
nobukuma 0:003889bc474f 48
nobukuma 0:003889bc474f 49 // Status flags from hub
nobukuma 0:003889bc474f 50 #define PORT_CONNECTION 0
nobukuma 0:003889bc474f 51 #define PORT_ENABLE 1
nobukuma 0:003889bc474f 52 #define PORT_SUSPEND 2
nobukuma 0:003889bc474f 53 #define PORT_OVER_CURRENT 3
nobukuma 0:003889bc474f 54 #define PORT_RESET 4
nobukuma 0:003889bc474f 55 #define PORT_POWER 8
nobukuma 0:003889bc474f 56 #define PORT_LOW_SPEED 9
nobukuma 0:003889bc474f 57
nobukuma 0:003889bc474f 58 #define C_PORT_CONNECTION 16
nobukuma 0:003889bc474f 59 #define C_PORT_ENABLE 17
nobukuma 0:003889bc474f 60 #define C_PORT_SUSPEND 18
nobukuma 0:003889bc474f 61 #define C_PORT_OVER_CURRENT 19
nobukuma 0:003889bc474f 62 #define C_PORT_RESET 20
nobukuma 0:003889bc474f 63
nobukuma 0:003889bc474f 64 typedef struct {
nobukuma 0:003889bc474f 65 u8 bm_request_type;
nobukuma 0:003889bc474f 66 u8 b_request;
nobukuma 0:003889bc474f 67 u16 w_value;
nobukuma 0:003889bc474f 68 u16 w_index;
nobukuma 0:003889bc474f 69 u16 w_length;
nobukuma 0:003889bc474f 70 } Setup;
nobukuma 0:003889bc474f 71
nobukuma 0:003889bc474f 72
nobukuma 0:003889bc474f 73 // Hub stuff is kept private just to keep api simple
nobukuma 0:003889bc474f 74 int SetPortFeature(int device, int feature, int index);
nobukuma 0:003889bc474f 75 int ClearPortFeature(int device, int feature, int index);
nobukuma 0:003889bc474f 76 int SetPortPower(int device, int port);
nobukuma 0:003889bc474f 77 int SetPortReset(int device, int port);
nobukuma 0:003889bc474f 78 int GetPortStatus(int device, int port, u32* status);
nobukuma 0:003889bc474f 79
nobukuma 0:003889bc474f 80 //===================================================================
nobukuma 0:003889bc474f 81 //===================================================================
nobukuma 0:003889bc474f 82 // Hardware defines
nobukuma 0:003889bc474f 83
nobukuma 0:003889bc474f 84 // HcControl
nobukuma 0:003889bc474f 85 #define PeriodicListEnable 0x00000004
nobukuma 0:003889bc474f 86 #define IsochronousEnable 0x00000008
nobukuma 0:003889bc474f 87 #define ControlListEnable 0x00000010
nobukuma 0:003889bc474f 88 #define BulkListEnable 0x00000020
nobukuma 0:003889bc474f 89 #define OperationalMask 0x00000080
nobukuma 0:003889bc474f 90 #define HostControllerFunctionalState 0x000000C0
nobukuma 0:003889bc474f 91
nobukuma 0:003889bc474f 92 // HcCommandStatus
nobukuma 0:003889bc474f 93 #define HostControllerReset 0x00000001
nobukuma 0:003889bc474f 94 #define ControlListFilled 0x00000002
nobukuma 0:003889bc474f 95 #define BulkListFilled 0x00000004
nobukuma 0:003889bc474f 96
nobukuma 0:003889bc474f 97 // HcInterruptStatus Register
nobukuma 0:003889bc474f 98 #define WritebackDoneHead 0x00000002
nobukuma 0:003889bc474f 99 #define StartofFrame 0x00000004
nobukuma 0:003889bc474f 100 #define ResumeDetected 0x00000008
nobukuma 0:003889bc474f 101 #define UnrecoverableError 0x00000010
nobukuma 0:003889bc474f 102 #define FrameNumberOverflow 0x00000020
nobukuma 0:003889bc474f 103 #define RootHubStatusChange 0x00000040
nobukuma 0:003889bc474f 104 #define OwnershipChange 0x00000080
nobukuma 0:003889bc474f 105 #define MasterInterruptEnable 0x80000000
nobukuma 0:003889bc474f 106
nobukuma 0:003889bc474f 107 // HcRhStatus
nobukuma 0:003889bc474f 108 #define SetGlobalPower 0x00010000
nobukuma 0:003889bc474f 109 #define DeviceRemoteWakeupEnable 0x00008000
nobukuma 0:003889bc474f 110
nobukuma 0:003889bc474f 111 // HcRhPortStatus (hub 0, port 1)
nobukuma 0:003889bc474f 112 #define CurrentConnectStatus 0x00000001
nobukuma 0:003889bc474f 113 #define PortEnableStatus 0x00000002
nobukuma 0:003889bc474f 114 #define PortSuspendStatus 0x00000004
nobukuma 0:003889bc474f 115 #define PortOverCurrentIndicator 0x00000008
nobukuma 0:003889bc474f 116 #define PortResetStatus 0x00000010
nobukuma 0:003889bc474f 117
nobukuma 0:003889bc474f 118 #define PortPowerStatus 0x00000100
nobukuma 0:003889bc474f 119 #define LowspeedDevice 0x00000200
nobukuma 0:003889bc474f 120 #define HighspeedDevice 0x00000400
nobukuma 0:003889bc474f 121
nobukuma 0:003889bc474f 122 #define ConnectStatusChange (CurrentConnectStatus << 16)
nobukuma 0:003889bc474f 123 #define PortResetStatusChange (PortResetStatus << 16)
nobukuma 0:003889bc474f 124
nobukuma 0:003889bc474f 125
nobukuma 0:003889bc474f 126 #define TD_ROUNDING (u32)0x00040000
nobukuma 0:003889bc474f 127 #define TD_SETUP (u32)0x00000000
nobukuma 0:003889bc474f 128 #define TD_IN (u32)0x00100000
nobukuma 0:003889bc474f 129 #define TD_OUT (u32)0x00080000
nobukuma 0:003889bc474f 130 #define TD_DELAY_INT(x) (u32)((x) << 21)
nobukuma 0:003889bc474f 131 #define TD_TOGGLE_0 (u32)0x02000000
nobukuma 0:003889bc474f 132 #define TD_TOGGLE_1 (u32)0x03000000
nobukuma 0:003889bc474f 133 #define TD_CC (u32)0xF0000000
nobukuma 0:003889bc474f 134
nobukuma 0:003889bc474f 135 // HostController EndPoint Descriptor
nobukuma 0:003889bc474f 136 typedef struct {
nobukuma 0:003889bc474f 137 volatile u32 Control;
nobukuma 0:003889bc474f 138 volatile u32 TailTd;
nobukuma 0:003889bc474f 139 volatile u32 HeadTd;
nobukuma 0:003889bc474f 140 volatile u32 Next;
nobukuma 0:003889bc474f 141 } HCED;
nobukuma 0:003889bc474f 142
nobukuma 0:003889bc474f 143 // HostController Transfer Descriptor
nobukuma 0:003889bc474f 144 typedef struct {
nobukuma 0:003889bc474f 145 volatile u32 Control;
nobukuma 0:003889bc474f 146 volatile u32 CurrBufPtr;
nobukuma 0:003889bc474f 147 volatile u32 Next;
nobukuma 0:003889bc474f 148 volatile u32 BufEnd;
nobukuma 0:003889bc474f 149 } HCTD;
nobukuma 0:003889bc474f 150
nobukuma 0:003889bc474f 151 // Host Controller Communication Area
nobukuma 0:003889bc474f 152 typedef struct {
nobukuma 0:003889bc474f 153 volatile u32 InterruptTable[32];
nobukuma 0:003889bc474f 154 volatile u16 FrameNumber;
nobukuma 0:003889bc474f 155 volatile u16 FrameNumberPad;
nobukuma 0:003889bc474f 156 volatile u32 DoneHead;
nobukuma 0:003889bc474f 157 volatile u8 Reserved[120];
nobukuma 0:003889bc474f 158 } HCCA;
nobukuma 0:003889bc474f 159
nobukuma 0:003889bc474f 160 //====================================================================================
nobukuma 0:003889bc474f 161 //====================================================================================
nobukuma 0:003889bc474f 162
nobukuma 0:003889bc474f 163 class HostController;
nobukuma 0:003889bc474f 164 class Endpoint;
nobukuma 0:003889bc474f 165 class Device;
nobukuma 0:003889bc474f 166
nobukuma 0:003889bc474f 167 // must be 3*16 bytes long
nobukuma 0:003889bc474f 168 class Endpoint
nobukuma 0:003889bc474f 169 {
nobukuma 0:003889bc474f 170 public:
nobukuma 0:003889bc474f 171 HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
nobukuma 0:003889bc474f 172 HCTD TDHead;
nobukuma 0:003889bc474f 173
nobukuma 0:003889bc474f 174 enum State
nobukuma 0:003889bc474f 175 {
nobukuma 0:003889bc474f 176 Free,
nobukuma 0:003889bc474f 177 NotQueued,
nobukuma 0:003889bc474f 178 Idle,
nobukuma 0:003889bc474f 179 SetupQueued,
nobukuma 0:003889bc474f 180 DataQueued,
nobukuma 0:003889bc474f 181 StatusQueued,
nobukuma 0:003889bc474f 182 CallbackPending
nobukuma 0:003889bc474f 183 };
nobukuma 0:003889bc474f 184
nobukuma 0:003889bc474f 185 volatile u8 CurrentState;
nobukuma 0:003889bc474f 186 u8 Flags; // 0x80 In, 0x03 mask endpoint type
nobukuma 0:003889bc474f 187
nobukuma 0:003889bc474f 188 u16 Length;
nobukuma 0:003889bc474f 189 u8* Data;
nobukuma 0:003889bc474f 190 USBCallback Callback; // Must be a multiple of 16 bytes long
nobukuma 0:003889bc474f 191 void* UserData;
nobukuma 0:003889bc474f 192
nobukuma 0:003889bc474f 193 int Address()
nobukuma 0:003889bc474f 194 {
nobukuma 0:003889bc474f 195 int ep = (EndpointDescriptor.Control >> 7) & 0xF;
nobukuma 0:003889bc474f 196 if (ep)
nobukuma 0:003889bc474f 197 ep |= Flags & 0x80;
nobukuma 0:003889bc474f 198 return ep;
nobukuma 0:003889bc474f 199 }
nobukuma 0:003889bc474f 200
nobukuma 0:003889bc474f 201 int Device()
nobukuma 0:003889bc474f 202 {
nobukuma 0:003889bc474f 203 return EndpointDescriptor.Control & 0x7F;
nobukuma 0:003889bc474f 204 }
nobukuma 0:003889bc474f 205
nobukuma 0:003889bc474f 206 int Status()
nobukuma 0:003889bc474f 207 {
nobukuma 0:003889bc474f 208 return (TDHead.Control >> 28) & 0xF;
nobukuma 0:003889bc474f 209 }
nobukuma 0:003889bc474f 210
nobukuma 0:003889bc474f 211 u32 Enqueue(u32 head)
nobukuma 0:003889bc474f 212 {
nobukuma 0:003889bc474f 213 if (CurrentState == NotQueued)
nobukuma 0:003889bc474f 214 {
nobukuma 0:003889bc474f 215 EndpointDescriptor.Next = head;
nobukuma 0:003889bc474f 216 head = (u32)&EndpointDescriptor;
nobukuma 0:003889bc474f 217 CurrentState = Idle;
nobukuma 0:003889bc474f 218 }
nobukuma 0:003889bc474f 219 return head;
nobukuma 0:003889bc474f 220 }
nobukuma 0:003889bc474f 221 };
nobukuma 0:003889bc474f 222
nobukuma 0:003889bc474f 223 class Device
nobukuma 0:003889bc474f 224 {
nobukuma 0:003889bc474f 225 public:
nobukuma 0:003889bc474f 226 u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
nobukuma 0:003889bc474f 227 u8 Hub;
nobukuma 0:003889bc474f 228 u8 Port;
nobukuma 0:003889bc474f 229 u8 Addr;
nobukuma 0:003889bc474f 230 u8 Pad;
nobukuma 0:003889bc474f 231
nobukuma 0:003889bc474f 232 // Only if this device is a hub
nobukuma 0:003889bc474f 233 u8 HubPortCount; // nonzero if this is a hub
nobukuma 0:003889bc474f 234 u8 HubInterruptData;
nobukuma 0:003889bc474f 235 u8 HubMap;
nobukuma 0:003889bc474f 236 u8 HubMask;
nobukuma 0:003889bc474f 237
nobukuma 0:003889bc474f 238 int Flags; // 1 = Disconnected
nobukuma 0:003889bc474f 239
nobukuma 0:003889bc474f 240 Setup SetupBuffer;
nobukuma 0:003889bc474f 241
nobukuma 0:003889bc474f 242 // Allocate endpoint zero
nobukuma 0:003889bc474f 243 int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
nobukuma 0:003889bc474f 244 {
nobukuma 0:003889bc474f 245 Hub = hub;
nobukuma 0:003889bc474f 246 Port = port;
nobukuma 0:003889bc474f 247 Addr = addr;
nobukuma 0:003889bc474f 248 Flags = lowSpeed;
nobukuma 0:003889bc474f 249 memset(_endpointMap,0xFF,sizeof(_endpointMap));
nobukuma 0:003889bc474f 250 return 0;
nobukuma 0:003889bc474f 251 }
nobukuma 0:003889bc474f 252
nobukuma 0:003889bc474f 253 int SetEndpointIndex(int ep, int endpointIndex)
nobukuma 0:003889bc474f 254 {
nobukuma 0:003889bc474f 255 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
nobukuma 0:003889bc474f 256 {
nobukuma 0:003889bc474f 257 if (_endpointMap[i] == 0xFF) // Add endpoint to map
nobukuma 0:003889bc474f 258 {
nobukuma 0:003889bc474f 259 _endpointMap[i] = ep;
nobukuma 0:003889bc474f 260 _endpointMap[i+1] = endpointIndex;
nobukuma 0:003889bc474f 261 return 0;
nobukuma 0:003889bc474f 262 }
nobukuma 0:003889bc474f 263 }
nobukuma 0:003889bc474f 264 return ERR_ENDPOINT_NONE_LEFT;
nobukuma 0:003889bc474f 265 }
nobukuma 0:003889bc474f 266
nobukuma 0:003889bc474f 267 int GetEndpointIndex(int ep)
nobukuma 0:003889bc474f 268 {
nobukuma 0:003889bc474f 269 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
nobukuma 0:003889bc474f 270 {
nobukuma 0:003889bc474f 271 if (_endpointMap[i] == ep)
nobukuma 0:003889bc474f 272 return _endpointMap[i+1];
nobukuma 0:003889bc474f 273 if (_endpointMap[i] == 0xFF)
nobukuma 0:003889bc474f 274 break;
nobukuma 0:003889bc474f 275 }
nobukuma 0:003889bc474f 276 return -1;
nobukuma 0:003889bc474f 277 }
nobukuma 0:003889bc474f 278 };
nobukuma 0:003889bc474f 279
nobukuma 0:003889bc474f 280 class HostController
nobukuma 0:003889bc474f 281 {
nobukuma 0:003889bc474f 282 public:
nobukuma 0:003889bc474f 283 HCCA CommunicationArea;
nobukuma 0:003889bc474f 284 Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
nobukuma 0:003889bc474f 285
nobukuma 0:003889bc474f 286 Endpoint EndpointZero; // For device enumeration
nobukuma 0:003889bc474f 287 HCTD _commonTail;
nobukuma 0:003889bc474f 288 Setup _setupZero;
nobukuma 0:003889bc474f 289
nobukuma 0:003889bc474f 290 Device Devices[MAX_DEVICES];
nobukuma 0:003889bc474f 291 u32 _frameNumber; // 32 bit ms counter
nobukuma 0:003889bc474f 292
nobukuma 0:003889bc474f 293 u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
nobukuma 0:003889bc474f 294 u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
nobukuma 0:003889bc474f 295 u8 _unused0;
nobukuma 0:003889bc474f 296 u8 _unused1;
nobukuma 0:003889bc474f 297
nobukuma 0:003889bc474f 298 u8 _connectPending; // Reset has initiated a connect
nobukuma 0:003889bc474f 299 u8 _connectCountdown; // Number of ms left after reset before we can connect
nobukuma 0:003889bc474f 300 u8 _connectHub; // Will connect on this hub
nobukuma 0:003889bc474f 301 u8 _connectPort; // ... and this port
nobukuma 0:003889bc474f 302
nobukuma 0:003889bc474f 303 u8 SRAM[0]; // Start of free SRAM
nobukuma 0:003889bc474f 304
nobukuma 0:003889bc474f 305 void Loop()
nobukuma 0:003889bc474f 306 {
nobukuma 0:003889bc474f 307 u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
nobukuma 0:003889bc474f 308 _frameNumber += elapsed;
nobukuma 0:003889bc474f 309
nobukuma 0:003889bc474f 310 // Do callbacks, if any
nobukuma 0:003889bc474f 311 while (_callbacksPending)
nobukuma 0:003889bc474f 312 {
nobukuma 0:003889bc474f 313 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
nobukuma 0:003889bc474f 314 {
nobukuma 0:003889bc474f 315 Endpoint* endpoint = Endpoints + i;
nobukuma 0:003889bc474f 316 if (endpoint->CurrentState == Endpoint::CallbackPending)
nobukuma 0:003889bc474f 317 {
nobukuma 0:003889bc474f 318 _callbacksPending--;
nobukuma 0:003889bc474f 319 endpoint->CurrentState = Endpoint::Idle;
nobukuma 0:003889bc474f 320 endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
nobukuma 0:003889bc474f 321 }
nobukuma 0:003889bc474f 322 }
nobukuma 0:003889bc474f 323 }
nobukuma 0:003889bc474f 324
nobukuma 0:003889bc474f 325 // Deal with changes on the root hub
nobukuma 0:003889bc474f 326 if (_rootHubStatusChange)
nobukuma 0:003889bc474f 327 {
nobukuma 0:003889bc474f 328 u32 status = LPC_USB->HcRhPortStatus1;
nobukuma 0:003889bc474f 329 _rootHubStatusChange = 0;
nobukuma 0:003889bc474f 330 if (status >> 16)
nobukuma 0:003889bc474f 331 {
nobukuma 0:003889bc474f 332 HubStatusChange(0,1,status);
nobukuma 0:003889bc474f 333 LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
nobukuma 0:003889bc474f 334 }
nobukuma 0:003889bc474f 335 }
nobukuma 0:003889bc474f 336
nobukuma 0:003889bc474f 337 // Connect after reset timeout
nobukuma 0:003889bc474f 338 if (_connectCountdown)
nobukuma 0:003889bc474f 339 {
nobukuma 0:003889bc474f 340 if (elapsed >= _connectCountdown)
nobukuma 0:003889bc474f 341 {
nobukuma 0:003889bc474f 342 _connectCountdown = 0;
nobukuma 0:003889bc474f 343 Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
nobukuma 0:003889bc474f 344 } else
nobukuma 0:003889bc474f 345 _connectCountdown -= elapsed;
nobukuma 0:003889bc474f 346 }
nobukuma 0:003889bc474f 347 }
nobukuma 0:003889bc474f 348
nobukuma 0:003889bc474f 349 // HubInterrupt - bitmap in dev->HubInterruptData
nobukuma 0:003889bc474f 350 void HubInterrupt(int device)
nobukuma 0:003889bc474f 351 {
nobukuma 0:003889bc474f 352 Device* dev = &Devices[device-1];
nobukuma 0:003889bc474f 353 for (int i = 0; i < dev->HubPortCount; i++)
nobukuma 0:003889bc474f 354 {
nobukuma 0:003889bc474f 355 int port = i+1;
nobukuma 0:003889bc474f 356 if (dev->HubInterruptData & (1 << port))
nobukuma 0:003889bc474f 357 {
nobukuma 0:003889bc474f 358 u32 status = 0;
nobukuma 0:003889bc474f 359 GetPortStatus(device,port,&status);
nobukuma 0:003889bc474f 360 if (status >> 16)
nobukuma 0:003889bc474f 361 {
nobukuma 0:003889bc474f 362 if (_connectPending && (status & ConnectStatusChange))
nobukuma 0:003889bc474f 363 continue; // Don't connect again until previous device has been added and addressed
nobukuma 0:003889bc474f 364
nobukuma 0:003889bc474f 365 HubStatusChange(device,port,status);
nobukuma 0:003889bc474f 366 if (status & ConnectStatusChange)
nobukuma 0:003889bc474f 367 ClearPortFeature(device,C_PORT_CONNECTION,port);
nobukuma 0:003889bc474f 368 if (status & PortResetStatusChange)
nobukuma 0:003889bc474f 369 ClearPortFeature(device,C_PORT_RESET,port);
nobukuma 0:003889bc474f 370 }
nobukuma 0:003889bc474f 371 }
nobukuma 0:003889bc474f 372 }
nobukuma 0:003889bc474f 373 }
nobukuma 0:003889bc474f 374
nobukuma 0:003889bc474f 375 static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
nobukuma 0:003889bc474f 376 {
nobukuma 0:003889bc474f 377 HostController* controller = (HostController*)userData;
nobukuma 0:003889bc474f 378 if (status == 0)
nobukuma 0:003889bc474f 379 controller->HubInterrupt(device);
nobukuma 0:003889bc474f 380 USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
nobukuma 0:003889bc474f 381 }
nobukuma 0:003889bc474f 382
nobukuma 0:003889bc474f 383 int InitHub(int device)
nobukuma 0:003889bc474f 384 {
nobukuma 0:003889bc474f 385 u8 buf[16];
nobukuma 0:003889bc474f 386 int r= USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
nobukuma 0:003889bc474f 387 if (r < 0)
nobukuma 0:003889bc474f 388 return ERR_HUB_INIT_FAILED;
nobukuma 0:003889bc474f 389
nobukuma 0:003889bc474f 390 // turn on power on the hubs ports
nobukuma 0:003889bc474f 391 Device* dev = &Devices[device-1];
nobukuma 0:003889bc474f 392 int ports = buf[2];
nobukuma 0:003889bc474f 393 dev->HubPortCount = ports;
nobukuma 0:003889bc474f 394 for (int i = 0; i < ports; i++)
nobukuma 0:003889bc474f 395 SetPortPower(device,i+1);
nobukuma 0:003889bc474f 396
nobukuma 0:003889bc474f 397 // Enable hub change interrupts
nobukuma 0:003889bc474f 398 return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
nobukuma 0:003889bc474f 399 }
nobukuma 0:003889bc474f 400
nobukuma 0:003889bc474f 401 int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
nobukuma 0:003889bc474f 402 {
nobukuma 0:003889bc474f 403 LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\n",device,ep,attributes,maxPacketSize,interval);
nobukuma 0:003889bc474f 404 Device* dev = &Devices[device-1];
nobukuma 0:003889bc474f 405 Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
nobukuma 0:003889bc474f 406 if (!endpoint)
nobukuma 0:003889bc474f 407 return ERR_ENDPOINT_NONE_LEFT;
nobukuma 0:003889bc474f 408 dev->SetEndpointIndex(ep,endpoint - Endpoints);
nobukuma 0:003889bc474f 409 endpoint->EndpointDescriptor.Control |= dev->Flags; // Map in slow speed
nobukuma 0:003889bc474f 410 return 0; // TODO ed->bInterval
nobukuma 0:003889bc474f 411 }
nobukuma 0:003889bc474f 412
nobukuma 0:003889bc474f 413 int AddEndpoint(int device, EndpointDescriptor* ed)
nobukuma 0:003889bc474f 414 {
nobukuma 0:003889bc474f 415 return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
nobukuma 0:003889bc474f 416 }
nobukuma 0:003889bc474f 417
nobukuma 0:003889bc474f 418 // allocate a endpoint
nobukuma 0:003889bc474f 419 Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
nobukuma 0:003889bc474f 420 {
nobukuma 0:003889bc474f 421 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
nobukuma 0:003889bc474f 422 {
nobukuma 0:003889bc474f 423 Endpoint* ep = &Endpoints[i];
nobukuma 0:003889bc474f 424 if (ep->CurrentState == 0)
nobukuma 0:003889bc474f 425 {
nobukuma 0:003889bc474f 426 //LOG("Allocated endpoint %d to %02X:%02X\n",i,device,endpointAddress);
nobukuma 0:003889bc474f 427 ep->Flags = (endpointAddress & 0x80) | (type & 3);
nobukuma 0:003889bc474f 428 ep->CurrentState = Endpoint::NotQueued;
nobukuma 0:003889bc474f 429 ep->EndpointDescriptor.Control = (maxPacketSize << 16) | ((endpointAddress & 0x7F) << 7) | device;
nobukuma 0:003889bc474f 430 return ep;
nobukuma 0:003889bc474f 431 }
nobukuma 0:003889bc474f 432 }
nobukuma 0:003889bc474f 433 return 0;
nobukuma 0:003889bc474f 434 }
nobukuma 0:003889bc474f 435
nobukuma 0:003889bc474f 436 Endpoint* GetEndpoint(int device, int ep)
nobukuma 0:003889bc474f 437 {
nobukuma 0:003889bc474f 438 if (device == 0)
nobukuma 0:003889bc474f 439 {
nobukuma 0:003889bc474f 440 //printf("WARNING: USING DEVICE 0\n");
nobukuma 0:003889bc474f 441 return &EndpointZero;
nobukuma 0:003889bc474f 442 }
nobukuma 0:003889bc474f 443 if (device > MAX_DEVICES)
nobukuma 0:003889bc474f 444 return 0;
nobukuma 0:003889bc474f 445 int i = Devices[device-1].GetEndpointIndex(ep);
nobukuma 0:003889bc474f 446 if (i == -1)
nobukuma 0:003889bc474f 447 return 0;
nobukuma 0:003889bc474f 448 return Endpoints + i;
nobukuma 0:003889bc474f 449 }
nobukuma 0:003889bc474f 450
nobukuma 0:003889bc474f 451 int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
nobukuma 0:003889bc474f 452 {
nobukuma 0:003889bc474f 453 //LOG("Transfer %02X T:%d Len:%d S:%d\n",endpoint->Address(),token,len,state);
nobukuma 0:003889bc474f 454
nobukuma 0:003889bc474f 455 int toggle = 0;
nobukuma 0:003889bc474f 456 if (endpoint->Address() == 0)
nobukuma 0:003889bc474f 457 toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
nobukuma 0:003889bc474f 458
nobukuma 0:003889bc474f 459 if (token != TOKEN_SETUP)
nobukuma 0:003889bc474f 460 token = (token == TOKEN_IN ? TD_IN : TD_OUT);
nobukuma 0:003889bc474f 461
nobukuma 0:003889bc474f 462 HCTD* head = &endpoint->TDHead;
nobukuma 0:003889bc474f 463 HCTD* tail = &_commonTail;
nobukuma 0:003889bc474f 464
nobukuma 0:003889bc474f 465 head->Control = TD_ROUNDING | token | TD_DELAY_INT(0) | toggle | TD_CC;
nobukuma 0:003889bc474f 466 head->CurrBufPtr = (u32)data;
nobukuma 0:003889bc474f 467 head->BufEnd = (u32)(data + len - 1);
nobukuma 0:003889bc474f 468 head->Next = (u32)tail;
nobukuma 0:003889bc474f 469
nobukuma 0:003889bc474f 470 HCED* ed = &endpoint->EndpointDescriptor;
nobukuma 0:003889bc474f 471 ed->HeadTd = (u32)head | (ed->HeadTd & 0x00000002); // carry toggle
nobukuma 0:003889bc474f 472 ed->TailTd = (u32)tail;
nobukuma 0:003889bc474f 473
nobukuma 0:003889bc474f 474 //HCTD* td = head;
nobukuma 0:003889bc474f 475 //LOG("%04X TD %08X %08X %08X Next:%08X\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
nobukuma 0:003889bc474f 476 //LOG("%04X ED %08X %08X %08X\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
nobukuma 0:003889bc474f 477
nobukuma 0:003889bc474f 478 switch (endpoint->Flags & 3)
nobukuma 0:003889bc474f 479 {
nobukuma 0:003889bc474f 480 case ENDPOINT_CONTROL:
nobukuma 0:003889bc474f 481 LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
nobukuma 0:003889bc474f 482 endpoint->CurrentState = state; // Get in before an int
nobukuma 0:003889bc474f 483 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | ControlListFilled;
nobukuma 0:003889bc474f 484 LPC_USB->HcControl = LPC_USB->HcControl | ControlListEnable;
nobukuma 0:003889bc474f 485 break;
nobukuma 0:003889bc474f 486
nobukuma 0:003889bc474f 487 case ENDPOINT_BULK:
nobukuma 0:003889bc474f 488 LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
nobukuma 0:003889bc474f 489 endpoint->CurrentState = state;
nobukuma 0:003889bc474f 490 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | BulkListFilled;
nobukuma 0:003889bc474f 491 LPC_USB->HcControl = LPC_USB->HcControl | BulkListEnable;
nobukuma 0:003889bc474f 492 break;
nobukuma 0:003889bc474f 493
nobukuma 0:003889bc474f 494 case ENDPOINT_INTERRUPT:
nobukuma 0:003889bc474f 495 CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
nobukuma 0:003889bc474f 496 endpoint->CurrentState = state;
nobukuma 0:003889bc474f 497 LPC_USB->HcControl |= PeriodicListEnable;
nobukuma 0:003889bc474f 498 break;
nobukuma 0:003889bc474f 499 }
nobukuma 0:003889bc474f 500 return 0;
nobukuma 0:003889bc474f 501 }
nobukuma 0:003889bc474f 502
nobukuma 0:003889bc474f 503 // Remove an endpoint from an active queue
nobukuma 0:003889bc474f 504 bool Remove(HCED* ed, volatile HCED** queue)
nobukuma 0:003889bc474f 505 {
nobukuma 0:003889bc474f 506 if (*queue == 0)
nobukuma 0:003889bc474f 507 return false;
nobukuma 0:003889bc474f 508 if (*queue == (volatile HCED*)ed)
nobukuma 0:003889bc474f 509 {
nobukuma 0:003889bc474f 510 *queue = (volatile HCED*)ed->Next; // At head of queue
nobukuma 0:003889bc474f 511 return true;
nobukuma 0:003889bc474f 512 }
nobukuma 0:003889bc474f 513
nobukuma 0:003889bc474f 514 volatile HCED* head = *queue;
nobukuma 0:003889bc474f 515 while (head)
nobukuma 0:003889bc474f 516 {
nobukuma 0:003889bc474f 517 if (head->Next == (u32)ed)
nobukuma 0:003889bc474f 518 {
nobukuma 0:003889bc474f 519 head->Next = ed->Next;
nobukuma 0:003889bc474f 520 return true;
nobukuma 0:003889bc474f 521 }
nobukuma 0:003889bc474f 522 head = (volatile HCED*)head->Next;
nobukuma 0:003889bc474f 523 }
nobukuma 0:003889bc474f 524 return false;
nobukuma 0:003889bc474f 525 }
nobukuma 0:003889bc474f 526
nobukuma 0:003889bc474f 527 void Release(Endpoint* endpoint)
nobukuma 0:003889bc474f 528 {
nobukuma 0:003889bc474f 529 if (endpoint->CurrentState == Endpoint::NotQueued)
nobukuma 0:003889bc474f 530 {
nobukuma 0:003889bc474f 531 // Never event used it, nothing to do
nobukuma 0:003889bc474f 532 }
nobukuma 0:003889bc474f 533 else
nobukuma 0:003889bc474f 534 {
nobukuma 0:003889bc474f 535 HCED* ed = (HCED*)endpoint;
nobukuma 0:003889bc474f 536 ed->Control |= 0x4000; // SKIP
nobukuma 0:003889bc474f 537 switch (endpoint->Flags & 0x03)
nobukuma 0:003889bc474f 538 {
nobukuma 0:003889bc474f 539 case ENDPOINT_CONTROL:
nobukuma 0:003889bc474f 540 Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
nobukuma 0:003889bc474f 541 break;
nobukuma 0:003889bc474f 542 case ENDPOINT_BULK:
nobukuma 0:003889bc474f 543 Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
nobukuma 0:003889bc474f 544 break;
nobukuma 0:003889bc474f 545 case ENDPOINT_INTERRUPT:
nobukuma 0:003889bc474f 546 for (int i = 0; i < 32; i++)
nobukuma 0:003889bc474f 547 Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
nobukuma 0:003889bc474f 548 break;
nobukuma 0:003889bc474f 549 }
nobukuma 0:003889bc474f 550
nobukuma 0:003889bc474f 551 u16 fn = CommunicationArea.FrameNumber;
nobukuma 0:003889bc474f 552 while (fn == CommunicationArea.FrameNumber)
nobukuma 0:003889bc474f 553 ; // Wait for next frame
nobukuma 0:003889bc474f 554
nobukuma 0:003889bc474f 555 }
nobukuma 0:003889bc474f 556
nobukuma 0:003889bc474f 557 // In theory, the endpoint is now dead.
nobukuma 0:003889bc474f 558 // TODO: Will Callbacks ever be pending? BUGBUG
nobukuma 0:003889bc474f 559 memset(endpoint,0,sizeof(Endpoint));
nobukuma 0:003889bc474f 560 }
nobukuma 0:003889bc474f 561
nobukuma 0:003889bc474f 562 // Pop the last TD from the list
nobukuma 0:003889bc474f 563 HCTD* Reverse(HCTD* current)
nobukuma 0:003889bc474f 564 { //int n = 0;
nobukuma 0:003889bc474f 565 HCTD *result = NULL,*temp;
nobukuma 0:003889bc474f 566 while (current)
nobukuma 0:003889bc474f 567 { //n++;
nobukuma 0:003889bc474f 568 temp = (HCTD*)current->Next;
nobukuma 0:003889bc474f 569 current->Next = (u32)result;
nobukuma 0:003889bc474f 570 result = current;
nobukuma 0:003889bc474f 571 current = temp;
nobukuma 0:003889bc474f 572 }
nobukuma 0:003889bc474f 573 //if (n>1) printf("%d TD's on Done Queue\n", n);
nobukuma 0:003889bc474f 574 return result;
nobukuma 0:003889bc474f 575 }
nobukuma 0:003889bc474f 576
nobukuma 0:003889bc474f 577 // Called from interrupt...
nobukuma 0:003889bc474f 578 // Control endpoints use a state machine to progress through the transfers
nobukuma 0:003889bc474f 579 void ProcessDoneQueue(u32 tdList)
nobukuma 0:003889bc474f 580 {
nobukuma 0:003889bc474f 581 HCTD* list = Reverse((HCTD*)tdList);//because completed transfers were added to the head of the list
nobukuma 0:003889bc474f 582 while (list)
nobukuma 0:003889bc474f 583 {//horrible hack: an Endpoint starts with an HCED and an HCTD and apparently all HCTDs are contained in Endpoints this way
nobukuma 0:003889bc474f 584 //furthermore the sizeof an HCTD equeals the size of an HCED, hence the next expression gives indeed the Endpoint* for the HCTD
nobukuma 0:003889bc474f 585 Endpoint* endpoint = (Endpoint*)(list-1);
nobukuma 0:003889bc474f 586 list = (HCTD*)list->Next;
nobukuma 0:003889bc474f 587 int ep = endpoint->Address();
nobukuma 0:003889bc474f 588 bool in = endpoint->Flags & 0x80;
nobukuma 0:003889bc474f 589 int status = (endpoint->TDHead.Control >> 28) & 0xF;
nobukuma 0:003889bc474f 590 //the printf below is essential for correct working !?!? remove it and some messages will be missed
nobukuma 0:003889bc474f 591 //LOG("ProcessDoneQueue %02X %08X\n",ep,endpoint->TDHead.Control);
nobukuma 0:003889bc474f 592 wait_us(0);//200, 100, 50, 20, 10, 5, 2, 1,0 works, deleting the statement does not work
nobukuma 0:003889bc474f 593 //I suspect it has to do with interrupt priorities rather than with delays
nobukuma 0:003889bc474f 594 if (status != 0)
nobukuma 0:003889bc474f 595 {
nobukuma 0:003889bc474f 596 LOG("ProcessDoneQueue status %02X %d\n",ep,status);
nobukuma 0:003889bc474f 597 endpoint->CurrentState = Endpoint::Idle;
nobukuma 0:003889bc474f 598 } else {
nobukuma 0:003889bc474f 599 switch (endpoint->CurrentState)
nobukuma 0:003889bc474f 600 {
nobukuma 0:003889bc474f 601 case Endpoint::SetupQueued:
nobukuma 0:003889bc474f 602 if (endpoint->Length == 0){
nobukuma 0:003889bc474f 603 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
nobukuma 0:003889bc474f 604 } else {//here is a potential deadlock
nobukuma 0:003889bc474f 605 //printf("Deadlock Avoidance, ep=%02x, in=%d\n", ep, in);//with printf before transfer -> no deadlock
nobukuma 0:003889bc474f 606 Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
nobukuma 0:003889bc474f 607 //printf("SetupQueued->DataQueued\n");//with printf after Transfer ->deadlock
nobukuma 0:003889bc474f 608 }
nobukuma 0:003889bc474f 609 break;
nobukuma 0:003889bc474f 610
nobukuma 0:003889bc474f 611 case Endpoint::DataQueued:
nobukuma 0:003889bc474f 612 if (endpoint->TDHead.CurrBufPtr)
nobukuma 0:003889bc474f 613 endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
nobukuma 0:003889bc474f 614
nobukuma 0:003889bc474f 615 if (ep == 0){
nobukuma 0:003889bc474f 616 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
nobukuma 0:003889bc474f 617 } else
nobukuma 0:003889bc474f 618 endpoint->CurrentState = Endpoint::Idle;
nobukuma 0:003889bc474f 619 break;
nobukuma 0:003889bc474f 620
nobukuma 0:003889bc474f 621 case Endpoint::StatusQueued: // Transaction is done
nobukuma 0:003889bc474f 622 endpoint->CurrentState = Endpoint::Idle;
nobukuma 0:003889bc474f 623 break;
nobukuma 0:003889bc474f 624 }
nobukuma 0:003889bc474f 625 }
nobukuma 0:003889bc474f 626
nobukuma 0:003889bc474f 627 // Complete, flag if we need a callback
nobukuma 0:003889bc474f 628 if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
nobukuma 0:003889bc474f 629 {
nobukuma 0:003889bc474f 630 endpoint->CurrentState = Endpoint::CallbackPending;
nobukuma 0:003889bc474f 631 _callbacksPending++;
nobukuma 0:003889bc474f 632 }
nobukuma 0:003889bc474f 633 }
nobukuma 0:003889bc474f 634 }
nobukuma 0:003889bc474f 635
nobukuma 0:003889bc474f 636 // Hack to reset devices that don't want to connect
nobukuma 0:003889bc474f 637 int AddDevice(int hub, int port, bool isLowSpeed)
nobukuma 0:003889bc474f 638 {
nobukuma 0:003889bc474f 639 int device = AddDeviceCore(hub,port,isLowSpeed);
nobukuma 0:003889bc474f 640 if (device < 0)
nobukuma 0:003889bc474f 641 {
nobukuma 0:003889bc474f 642 LOG("========RETRY ADD DEVICE========\n"); // This will go for ever.. TODO power cycle root?
nobukuma 0:003889bc474f 643 Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
nobukuma 0:003889bc474f 644 ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
nobukuma 0:003889bc474f 645 return -1;
nobukuma 0:003889bc474f 646 }
nobukuma 0:003889bc474f 647 return device;
nobukuma 0:003889bc474f 648 }
nobukuma 0:003889bc474f 649
nobukuma 0:003889bc474f 650 int AddDeviceCore(int hub, int port, bool isLowSpeed)
nobukuma 0:003889bc474f 651 {
nobukuma 0:003889bc474f 652 int lowSpeed = isLowSpeed ? 0x2000 : 0;
nobukuma 0:003889bc474f 653 DeviceDescriptor desc;
nobukuma 0:003889bc474f 654 EndpointZero.EndpointDescriptor.Control = (8 << 16) | lowSpeed; // MaxPacketSize == 8
nobukuma 0:003889bc474f 655 int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
nobukuma 0:003889bc474f 656 if (r < 0)
nobukuma 0:003889bc474f 657 {
nobukuma 0:003889bc474f 658 LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\n");
nobukuma 0:003889bc474f 659 return r;
nobukuma 0:003889bc474f 660 }
nobukuma 0:003889bc474f 661
nobukuma 0:003889bc474f 662 EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) | lowSpeed; // Actual MaxPacketSize
nobukuma 0:003889bc474f 663 r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
nobukuma 0:003889bc474f 664 if (r < 0)
nobukuma 0:003889bc474f 665 return r;
nobukuma 0:003889bc474f 666
nobukuma 0:003889bc474f 667 LOG("\nClass %02X found %04X:%04X\n\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
nobukuma 0:003889bc474f 668
nobukuma 0:003889bc474f 669 // Now assign the device an address, move off EndpointZero
nobukuma 0:003889bc474f 670 int device = 0;
nobukuma 0:003889bc474f 671 for (int i = 0; i < MAX_DEVICES; i++)
nobukuma 0:003889bc474f 672 {
nobukuma 0:003889bc474f 673 if (Devices[i].Port == 0)
nobukuma 0:003889bc474f 674 {
nobukuma 0:003889bc474f 675 device = i+1;
nobukuma 0:003889bc474f 676 break;
nobukuma 0:003889bc474f 677 }
nobukuma 0:003889bc474f 678 }
nobukuma 0:003889bc474f 679 if (!device)
nobukuma 0:003889bc474f 680 return ERR_DEVICE_NONE_LEFT;
nobukuma 0:003889bc474f 681
nobukuma 0:003889bc474f 682 r = SetAddress(0,device);
nobukuma 0:003889bc474f 683 if (r)
nobukuma 0:003889bc474f 684 return r;
nobukuma 0:003889bc474f 685 DelayMS(2);
nobukuma 0:003889bc474f 686
nobukuma 0:003889bc474f 687 // Now at a nonzero address, create control endpoint
nobukuma 0:003889bc474f 688 Device* dev = &Devices[device-1];
nobukuma 0:003889bc474f 689 dev->Init(&desc,hub,port,device,lowSpeed);
nobukuma 0:003889bc474f 690 AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
nobukuma 0:003889bc474f 691 _connectPending = 0;
nobukuma 0:003889bc474f 692
nobukuma 0:003889bc474f 693 // Verify this all works
nobukuma 0:003889bc474f 694 r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
nobukuma 0:003889bc474f 695 if (r < 0)
nobukuma 0:003889bc474f 696 return r;
nobukuma 0:003889bc474f 697
nobukuma 0:003889bc474f 698 // Set to interface 0 by default
nobukuma 0:003889bc474f 699 // Calls LoadDevice if interface is found
nobukuma 0:003889bc474f 700 r = SetConfigurationAndInterface(device,1,0,&desc);
nobukuma 0:003889bc474f 701
nobukuma 0:003889bc474f 702 if (desc.bDeviceClass == CLASS_HUB)
nobukuma 0:003889bc474f 703 InitHub(device); // Handle hubs in this code
nobukuma 0:003889bc474f 704
nobukuma 0:003889bc474f 705 return device;
nobukuma 0:003889bc474f 706 }
nobukuma 0:003889bc474f 707
nobukuma 0:003889bc474f 708 // Walk descriptors and create endpoints for a given device
nobukuma 0:003889bc474f 709 // TODO configuration !=1, alternate settings etc.
nobukuma 0:003889bc474f 710 int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
nobukuma 0:003889bc474f 711 {
nobukuma 0:003889bc474f 712 u8 buffer[255];
nobukuma 0:003889bc474f 713 int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
nobukuma 0:003889bc474f 714 if (err < 0)
nobukuma 0:003889bc474f 715 return err;
nobukuma 0:003889bc474f 716
nobukuma 0:003889bc474f 717 err = SetConfiguration(device,configuration);
nobukuma 0:003889bc474f 718 if (err < 0)
nobukuma 0:003889bc474f 719 return err;
nobukuma 0:003889bc474f 720
nobukuma 0:003889bc474f 721 // Add the endpoints for this interface
nobukuma 0:003889bc474f 722 int len = buffer[2] | (buffer[3] << 8);
nobukuma 0:003889bc474f 723 u8* d = buffer;
nobukuma 0:003889bc474f 724 u8* end = d + len;
nobukuma 0:003889bc474f 725 InterfaceDescriptor* found = 0;
nobukuma 0:003889bc474f 726 while (d < end)
nobukuma 0:003889bc474f 727 {
nobukuma 0:003889bc474f 728 if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
nobukuma 0:003889bc474f 729 {
nobukuma 0:003889bc474f 730 InterfaceDescriptor* id = (InterfaceDescriptor*)d;
nobukuma 0:003889bc474f 731 if (id->bInterfaceNumber == interfaceNumber)
nobukuma 0:003889bc474f 732 {
nobukuma 0:003889bc474f 733 found = id;
nobukuma 0:003889bc474f 734 d += d[0];
nobukuma 0:003889bc474f 735 while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
nobukuma 0:003889bc474f 736 {
nobukuma 0:003889bc474f 737 switch (d[1])
nobukuma 0:003889bc474f 738 {
nobukuma 0:003889bc474f 739 case DESCRIPTOR_TYPE_ENDPOINT:
nobukuma 0:003889bc474f 740 AddEndpoint(device,(EndpointDescriptor*)d);
nobukuma 0:003889bc474f 741 break;
nobukuma 0:003889bc474f 742 default:
nobukuma 0:003889bc474f 743 LOG("Skipping descriptor %02X (%d bytes)\n",d[1],d[0]);
nobukuma 0:003889bc474f 744 }
nobukuma 0:003889bc474f 745 d += d[0];
nobukuma 0:003889bc474f 746 }
nobukuma 0:003889bc474f 747 }
nobukuma 0:003889bc474f 748 }
nobukuma 0:003889bc474f 749 d += d[0];
nobukuma 0:003889bc474f 750 }
nobukuma 0:003889bc474f 751
nobukuma 0:003889bc474f 752 if (!found)
nobukuma 0:003889bc474f 753 return ERR_INTERFACE_NOT_FOUND;
nobukuma 0:003889bc474f 754 OnLoadDevice(device,desc,found);
nobukuma 0:003889bc474f 755 return 0;
nobukuma 0:003889bc474f 756 }
nobukuma 0:003889bc474f 757
nobukuma 0:003889bc474f 758 void Init()
nobukuma 0:003889bc474f 759 {
nobukuma 0:003889bc474f 760 LOG("USB INIT (Controller is %d bytes)\n",sizeof(*this));
nobukuma 0:003889bc474f 761 memset(this,0,sizeof(HostController));
nobukuma 0:003889bc474f 762 EndpointZero.CurrentState = Endpoint::NotQueued;
nobukuma 0:003889bc474f 763 HWInit(&CommunicationArea);
nobukuma 0:003889bc474f 764 DelayMS(10);
nobukuma 0:003889bc474f 765 }
nobukuma 0:003889bc474f 766
nobukuma 0:003889bc474f 767 void ResetPort(int hub, int port)
nobukuma 0:003889bc474f 768 {
nobukuma 0:003889bc474f 769 LOG("ResetPort Hub:%d Port:%d\n",hub,port);
nobukuma 0:003889bc474f 770 _connectPending++; // Only reset/add 1 device at a time
nobukuma 0:003889bc474f 771 if (hub == 0)
nobukuma 0:003889bc474f 772 LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
nobukuma 0:003889bc474f 773 else
nobukuma 0:003889bc474f 774 SetPortReset(hub,port); // or reset other hub
nobukuma 0:003889bc474f 775 }
nobukuma 0:003889bc474f 776
nobukuma 0:003889bc474f 777 void Disconnect(int hub, int port)
nobukuma 0:003889bc474f 778 {
nobukuma 0:003889bc474f 779 LOG("Disconnect Hub:%d Port:%d\n",hub,port); // Mark a device for destruction
nobukuma 0:003889bc474f 780 for (int i = 0; i < MAX_DEVICES; i++)
nobukuma 0:003889bc474f 781 {
nobukuma 0:003889bc474f 782 Device* dev = Devices + i;
nobukuma 0:003889bc474f 783 if (dev->Port == port && dev->Hub == hub)
nobukuma 0:003889bc474f 784 {
nobukuma 0:003889bc474f 785 // Disconnect everything that is attached to this device if it is a hub
nobukuma 0:003889bc474f 786 for (int p = 0; p < dev->HubPortCount; p++)
nobukuma 0:003889bc474f 787 Disconnect(i+1,p+1);
nobukuma 0:003889bc474f 788
nobukuma 0:003889bc474f 789 // Now release endpoints
nobukuma 0:003889bc474f 790 for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
nobukuma 0:003889bc474f 791 {
nobukuma 0:003889bc474f 792 u8 endpointIndex = dev->_endpointMap[j];
nobukuma 0:003889bc474f 793 if (endpointIndex != 0xFF)
nobukuma 0:003889bc474f 794 Release(Endpoints + endpointIndex);
nobukuma 0:003889bc474f 795 }
nobukuma 0:003889bc474f 796 dev->Port = 0; // Device is now free
nobukuma 0:003889bc474f 797 dev->Flags = 0;
nobukuma 0:003889bc474f 798 return;
nobukuma 0:003889bc474f 799 }
nobukuma 0:003889bc474f 800 }
nobukuma 0:003889bc474f 801 }
nobukuma 0:003889bc474f 802
nobukuma 0:003889bc474f 803 // called after reset
nobukuma 0:003889bc474f 804 void Connect(int hub, int port, bool lowspeed)
nobukuma 0:003889bc474f 805 {
nobukuma 0:003889bc474f 806 LOG("Connect Hub:%d Port:%d %s\n",hub,port,lowspeed ? "slow" : "full");
nobukuma 0:003889bc474f 807 AddDevice(hub,port,lowspeed);
nobukuma 0:003889bc474f 808 }
nobukuma 0:003889bc474f 809
nobukuma 0:003889bc474f 810 // Called from interrupt
nobukuma 0:003889bc474f 811 void HubStatusChange(int hub, int port, u32 status)
nobukuma 0:003889bc474f 812 {
nobukuma 0:003889bc474f 813 LOG("HubStatusChange Hub:%d Port:%d %08X\n",hub,port,status);
nobukuma 0:003889bc474f 814 if (status & ConnectStatusChange)
nobukuma 0:003889bc474f 815 {
nobukuma 0:003889bc474f 816 if (status & CurrentConnectStatus) // Connecting
nobukuma 0:003889bc474f 817 ResetPort(hub,port); // Reset to initiate connect (state machine?)
nobukuma 0:003889bc474f 818 else
nobukuma 0:003889bc474f 819 Disconnect(hub,port);
nobukuma 0:003889bc474f 820 }
nobukuma 0:003889bc474f 821
nobukuma 0:003889bc474f 822 if (status & PortResetStatusChange)
nobukuma 0:003889bc474f 823 {
nobukuma 0:003889bc474f 824 if (!(status & PortResetStatus))
nobukuma 0:003889bc474f 825 {
nobukuma 0:003889bc474f 826 _connectCountdown = 200; // Schedule a connection in 200ms
nobukuma 0:003889bc474f 827 if (status & LowspeedDevice)
nobukuma 0:003889bc474f 828 port |= 0x80;
nobukuma 0:003889bc474f 829 _connectHub = hub;
nobukuma 0:003889bc474f 830 _connectPort = port;
nobukuma 0:003889bc474f 831 }
nobukuma 0:003889bc474f 832 }
nobukuma 0:003889bc474f 833 }
nobukuma 0:003889bc474f 834
nobukuma 0:003889bc474f 835 #define HOST_CLK_EN (1<<0)
nobukuma 0:003889bc474f 836 #define PORTSEL_CLK_EN (1<<3)
nobukuma 0:003889bc474f 837 #define AHB_CLK_EN (1<<4)
nobukuma 0:003889bc474f 838 #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
nobukuma 0:003889bc474f 839
nobukuma 0:003889bc474f 840 #define FRAMEINTERVAL (12000-1) // 1ms
nobukuma 0:003889bc474f 841 #define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) | FRAMEINTERVAL)
nobukuma 0:003889bc474f 842
nobukuma 0:003889bc474f 843 void DelayMS(int ms)
nobukuma 0:003889bc474f 844 {
nobukuma 0:003889bc474f 845 u16 f = ms + CommunicationArea.FrameNumber;
nobukuma 0:003889bc474f 846 while (f != CommunicationArea.FrameNumber)
nobukuma 0:003889bc474f 847 ;
nobukuma 0:003889bc474f 848 }
nobukuma 0:003889bc474f 849
nobukuma 0:003889bc474f 850 static void HWInit(HCCA* cca)
nobukuma 0:003889bc474f 851 {
nobukuma 0:003889bc474f 852 NVIC_DisableIRQ(USB_IRQn);
nobukuma 0:003889bc474f 853
nobukuma 0:003889bc474f 854 // turn on power for USB
nobukuma 0:003889bc474f 855 LPC_SC->PCONP |= (1UL<<31);
nobukuma 0:003889bc474f 856 // Enable USB host clock, port selection and AHB clock
nobukuma 0:003889bc474f 857 LPC_USB->USBClkCtrl |= CLOCK_MASK;
nobukuma 0:003889bc474f 858 // Wait for clocks to become available
nobukuma 0:003889bc474f 859 while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
nobukuma 0:003889bc474f 860 ;
nobukuma 0:003889bc474f 861
nobukuma 0:003889bc474f 862 // We are a Host
nobukuma 0:003889bc474f 863 LPC_USB->OTGStCtrl |= 1;
nobukuma 0:003889bc474f 864 LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
nobukuma 0:003889bc474f 865
nobukuma 0:003889bc474f 866 // configure USB pins
nobukuma 0:003889bc474f 867 LPC_PINCON->PINSEL1 &= ~((3<<26)|(3<<28));
nobukuma 0:003889bc474f 868 LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // USB D+/D-
nobukuma 0:003889bc474f 869
nobukuma 0:003889bc474f 870 LPC_PINCON->PINSEL3 &= ~((3 << 6) | (3 << 22)); // USB_PPWR, USB_OVRCR
nobukuma 0:003889bc474f 871 LPC_PINCON->PINSEL3 |= ((2 << 6) | (2 << 22));
nobukuma 0:003889bc474f 872
nobukuma 0:003889bc474f 873 LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
nobukuma 0:003889bc474f 874 LPC_PINCON->PINSEL4 |= (1 << 18);
nobukuma 0:003889bc474f 875
nobukuma 0:003889bc474f 876 // Reset OHCI block
nobukuma 0:003889bc474f 877 LPC_USB->HcControl = 0;
nobukuma 0:003889bc474f 878 LPC_USB->HcControlHeadED = 0;
nobukuma 0:003889bc474f 879 LPC_USB->HcBulkHeadED = 0;
nobukuma 0:003889bc474f 880
nobukuma 0:003889bc474f 881 LPC_USB->HcCommandStatus = HostControllerReset;
nobukuma 0:003889bc474f 882 LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
nobukuma 0:003889bc474f 883 LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
nobukuma 0:003889bc474f 884
nobukuma 0:003889bc474f 885 LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) | OperationalMask;
nobukuma 0:003889bc474f 886 LPC_USB->HcRhStatus = SetGlobalPower;
nobukuma 0:003889bc474f 887
nobukuma 0:003889bc474f 888 LPC_USB->HcHCCA = (u32)cca;
nobukuma 0:003889bc474f 889 LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus;
nobukuma 0:003889bc474f 890 LPC_USB->HcInterruptEnable = MasterInterruptEnable | WritebackDoneHead | RootHubStatusChange | FrameNumberOverflow;
nobukuma 0:003889bc474f 891
nobukuma 0:003889bc474f 892 NVIC_SetPriority(USB_IRQn, 0);
nobukuma 0:003889bc474f 893 NVIC_EnableIRQ(USB_IRQn);
nobukuma 0:003889bc474f 894 while (cca->FrameNumber < 10)
nobukuma 0:003889bc474f 895 ; // 10ms delay before diving in
nobukuma 0:003889bc474f 896 }
nobukuma 0:003889bc474f 897 };
nobukuma 0:003889bc474f 898
nobukuma 0:003889bc474f 899 //====================================================================================
nobukuma 0:003889bc474f 900 //====================================================================================
nobukuma 0:003889bc474f 901 // Host controller instance and Interrupt handler
nobukuma 0:003889bc474f 902
nobukuma 0:003889bc474f 903 static HostController _controller __attribute__((at(USB_RAM_BASE)));
nobukuma 0:003889bc474f 904
nobukuma 0:003889bc474f 905 extern "C" void USB_IRQHandler(void) __irq;
nobukuma 0:003889bc474f 906 void USB_IRQHandler (void) __irq
nobukuma 0:003889bc474f 907 {
nobukuma 0:003889bc474f 908 u32 int_status = LPC_USB->HcInterruptStatus;
nobukuma 0:003889bc474f 909
nobukuma 0:003889bc474f 910 if (int_status & RootHubStatusChange) // Root hub status change
nobukuma 0:003889bc474f 911 _controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
nobukuma 0:003889bc474f 912
nobukuma 0:003889bc474f 913 u32 head = 0;
nobukuma 0:003889bc474f 914 if (int_status & WritebackDoneHead)
nobukuma 0:003889bc474f 915 {
nobukuma 0:003889bc474f 916 head = _controller.CommunicationArea.DoneHead; // Writeback Done
nobukuma 0:003889bc474f 917 _controller.CommunicationArea.DoneHead = 0;
nobukuma 0:003889bc474f 918 }
nobukuma 0:003889bc474f 919 // LPC_USB->HcInterruptStatus = int_status;
nobukuma 0:003889bc474f 920
nobukuma 0:003889bc474f 921 if (head){
nobukuma 0:003889bc474f 922 _controller.ProcessDoneQueue(head & ~1U); // TODO - low bit can be set BUGBUG
nobukuma 0:003889bc474f 923 if (head & 1) {
nobukuma 0:003889bc474f 924 int othercause = int_status ^ WritebackDoneHead;
nobukuma 0:003889bc474f 925 printf("HcInterruptStatus = %08X\n", int_status);
nobukuma 0:003889bc474f 926 }
nobukuma 0:003889bc474f 927 }
nobukuma 0:003889bc474f 928 else
nobukuma 0:003889bc474f 929 int othercause = int_status;
nobukuma 0:003889bc474f 930 LPC_USB->HcInterruptStatus = int_status;
nobukuma 0:003889bc474f 931 //See page 435 of OHCI Specification
nobukuma 0:003889bc474f 932 //if the LSb=1 int_status should be checked for other causes
nobukuma 0:003889bc474f 933 //if the head=0 there are no TDs on the DoneQueue and int_status should be checked to see what caused this interrupt
nobukuma 0:003889bc474f 934 }
nobukuma 0:003889bc474f 935
nobukuma 0:003889bc474f 936 //====================================================================================
nobukuma 0:003889bc474f 937 //====================================================================================
nobukuma 0:003889bc474f 938 // API Methods
nobukuma 0:003889bc474f 939
nobukuma 0:003889bc474f 940 void USBInit()
nobukuma 0:003889bc474f 941 {
nobukuma 0:003889bc474f 942 return _controller.Init();
nobukuma 0:003889bc474f 943 }
nobukuma 0:003889bc474f 944
nobukuma 0:003889bc474f 945 void USBLoop()
nobukuma 0:003889bc474f 946 {
nobukuma 0:003889bc474f 947 return _controller.Loop();
nobukuma 0:003889bc474f 948 }
nobukuma 0:003889bc474f 949
nobukuma 0:003889bc474f 950 u8* USBGetBuffer(u32* len)
nobukuma 0:003889bc474f 951 {
nobukuma 0:003889bc474f 952 *len = USB_RAM_SIZE - sizeof(HostController);
nobukuma 0:003889bc474f 953 return _controller.SRAM;
nobukuma 0:003889bc474f 954 }
nobukuma 0:003889bc474f 955
nobukuma 0:003889bc474f 956 static Setup* GetSetup(int device)
nobukuma 0:003889bc474f 957 {
nobukuma 0:003889bc474f 958 if (device == 0)
nobukuma 0:003889bc474f 959 return &_controller._setupZero;
nobukuma 0:003889bc474f 960
nobukuma 0:003889bc474f 961 if (device < 1 || device > MAX_DEVICES)
nobukuma 0:003889bc474f 962 return 0;
nobukuma 0:003889bc474f 963 return &_controller.Devices[device-1].SetupBuffer;
nobukuma 0:003889bc474f 964 }
nobukuma 0:003889bc474f 965
nobukuma 0:003889bc474f 966 // Loop until IO on endpoint is complete
nobukuma 0:003889bc474f 967 static int WaitIODone(Endpoint* endpoint)
nobukuma 0:003889bc474f 968 {
nobukuma 0:003889bc474f 969 if (endpoint->CurrentState == Endpoint::NotQueued)
nobukuma 0:003889bc474f 970 return 0;
nobukuma 0:003889bc474f 971 while (endpoint->CurrentState != Endpoint::Idle)
nobukuma 0:003889bc474f 972 USBLoop(); // May generate callbacks, mount or unmount devices etc
nobukuma 0:003889bc474f 973 int status = endpoint->Status();
nobukuma 0:003889bc474f 974 if (status == 0)
nobukuma 0:003889bc474f 975 return endpoint->Length;
nobukuma 0:003889bc474f 976 return -status;
nobukuma 0:003889bc474f 977 }
nobukuma 0:003889bc474f 978
nobukuma 0:003889bc474f 979 int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
nobukuma 0:003889bc474f 980 {
nobukuma 0:003889bc474f 981 Endpoint* endpoint = _controller.GetEndpoint(device,ep);
nobukuma 0:003889bc474f 982 if (!endpoint)
nobukuma 0:003889bc474f 983 return ERR_ENDPOINT_NOT_FOUND;
nobukuma 0:003889bc474f 984
nobukuma 0:003889bc474f 985 WaitIODone(endpoint);
nobukuma 0:003889bc474f 986 endpoint->Flags = flags;
nobukuma 0:003889bc474f 987 endpoint->Data = data;
nobukuma 0:003889bc474f 988 endpoint->Length = length;
nobukuma 0:003889bc474f 989 endpoint->Callback = callback;
nobukuma 0:003889bc474f 990 endpoint->UserData = userData;
nobukuma 0:003889bc474f 991 if (ep == 0)
nobukuma 0:003889bc474f 992 _controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
nobukuma 0:003889bc474f 993 else
nobukuma 0:003889bc474f 994 _controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
nobukuma 0:003889bc474f 995 if (callback)
nobukuma 0:003889bc474f 996 return IO_PENDING;
nobukuma 0:003889bc474f 997 return WaitIODone(endpoint);
nobukuma 0:003889bc474f 998 }
nobukuma 0:003889bc474f 999
nobukuma 0:003889bc474f 1000 int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
nobukuma 0:003889bc474f 1001 {
nobukuma 0:003889bc474f 1002 Setup* setup = GetSetup(device);
nobukuma 0:003889bc474f 1003 if (!setup)
nobukuma 0:003889bc474f 1004 return ERR_DEVICE_NOT_FOUND;
nobukuma 0:003889bc474f 1005
nobukuma 0:003889bc474f 1006 // Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
nobukuma 0:003889bc474f 1007 WaitIODone(_controller.GetEndpoint(device,0));
nobukuma 0:003889bc474f 1008
nobukuma 0:003889bc474f 1009 setup->bm_request_type = request_type;
nobukuma 0:003889bc474f 1010 setup->b_request = request;
nobukuma 0:003889bc474f 1011 setup->w_value = value;
nobukuma 0:003889bc474f 1012 setup->w_index = index;
nobukuma 0:003889bc474f 1013 setup->w_length = length;
nobukuma 0:003889bc474f 1014 return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
nobukuma 0:003889bc474f 1015 }
nobukuma 0:003889bc474f 1016
nobukuma 0:003889bc474f 1017 int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
nobukuma 0:003889bc474f 1018 {
nobukuma 0:003889bc474f 1019 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_INTERRUPT,data,length,callback,userData);
nobukuma 0:003889bc474f 1020 }
nobukuma 0:003889bc474f 1021
nobukuma 0:003889bc474f 1022 int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
nobukuma 0:003889bc474f 1023 {
nobukuma 0:003889bc474f 1024 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_BULK,data,length,callback,userData);
nobukuma 0:003889bc474f 1025 }
nobukuma 0:003889bc474f 1026
nobukuma 0:003889bc474f 1027 int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
nobukuma 0:003889bc474f 1028 {
nobukuma 0:003889bc474f 1029 return USBControlTransfer(device,DEVICE_TO_HOST | RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)|(descIndex), 0, data, length, 0);
nobukuma 0:003889bc474f 1030 }
nobukuma 0:003889bc474f 1031
nobukuma 0:003889bc474f 1032 int GetString(int device, int index, char* dst, int length)
nobukuma 0:003889bc474f 1033 {
nobukuma 0:003889bc474f 1034 u8 buffer[255];
nobukuma 0:003889bc474f 1035 int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
nobukuma 0:003889bc474f 1036 if (le < 0)
nobukuma 0:003889bc474f 1037 return le;
nobukuma 0:003889bc474f 1038 if (length < 1)
nobukuma 0:003889bc474f 1039 return -1;
nobukuma 0:003889bc474f 1040 length <<= 1;
nobukuma 0:003889bc474f 1041 if (le > length)
nobukuma 0:003889bc474f 1042 le = length;
nobukuma 0:003889bc474f 1043 for (int j = 2; j < le; j += 2)
nobukuma 0:003889bc474f 1044 *dst++ = buffer[j];
nobukuma 0:003889bc474f 1045 *dst = 0;
nobukuma 0:003889bc474f 1046 return (le>>1)-1;
nobukuma 0:003889bc474f 1047 }
nobukuma 0:003889bc474f 1048
nobukuma 0:003889bc474f 1049 int SetAddress(int device, int new_addr)
nobukuma 0:003889bc474f 1050 {
nobukuma 0:003889bc474f 1051 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
nobukuma 0:003889bc474f 1052 }
nobukuma 0:003889bc474f 1053
nobukuma 0:003889bc474f 1054 int SetConfiguration(int device, int configNum)
nobukuma 0:003889bc474f 1055 {
nobukuma 0:003889bc474f 1056 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
nobukuma 0:003889bc474f 1057 }
nobukuma 0:003889bc474f 1058
nobukuma 0:003889bc474f 1059 int SetInterface(int device, int ifNum, int altNum)
nobukuma 0:003889bc474f 1060 {
nobukuma 0:003889bc474f 1061 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
nobukuma 0:003889bc474f 1062 }
nobukuma 0:003889bc474f 1063
nobukuma 0:003889bc474f 1064 // HUB stuff
nobukuma 0:003889bc474f 1065 int SetPortFeature(int device, int feature, int index)
nobukuma 0:003889bc474f 1066 {
nobukuma 0:003889bc474f 1067 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
nobukuma 0:003889bc474f 1068 }
nobukuma 0:003889bc474f 1069
nobukuma 0:003889bc474f 1070 int ClearPortFeature(int device, int feature, int index)
nobukuma 0:003889bc474f 1071 {
nobukuma 0:003889bc474f 1072 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
nobukuma 0:003889bc474f 1073 }
nobukuma 0:003889bc474f 1074
nobukuma 0:003889bc474f 1075 int SetPortPower(int device, int port)
nobukuma 0:003889bc474f 1076 {
nobukuma 0:003889bc474f 1077 int r = SetPortFeature(device,PORT_POWER,port);
nobukuma 0:003889bc474f 1078 _controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
nobukuma 0:003889bc474f 1079 return r;
nobukuma 0:003889bc474f 1080 }
nobukuma 0:003889bc474f 1081
nobukuma 0:003889bc474f 1082 int SetPortReset(int device, int port)
nobukuma 0:003889bc474f 1083 {
nobukuma 0:003889bc474f 1084 return SetPortFeature(device,PORT_RESET,port);
nobukuma 0:003889bc474f 1085 }
nobukuma 0:003889bc474f 1086
nobukuma 0:003889bc474f 1087 int GetPortStatus(int device, int port, u32* status)
nobukuma 0:003889bc474f 1088 {
nobukuma 0:003889bc474f 1089 return USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
nobukuma 0:003889bc474f 1090 }