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Dependencies:   mbed

USBHost.cpp@0:e5197e77ab57, 2011-02-26 (annotated)

Committer:
joenagata
Date:
Sat Feb 26 07:24:32 2011 +0000
Revision:
0:e5197e77ab57
rev.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
joenagata 0:e5197e77ab57 1
joenagata 0:e5197e77ab57 2 /*
joenagata 0:e5197e77ab57 3 Copyright (c) 2010 Peter Barrett
joenagata 0:e5197e77ab57 4
joenagata 0:e5197e77ab57 5 Permission is hereby granted, free of charge, to any person obtaining a copy
joenagata 0:e5197e77ab57 6 of this software and associated documentation files (the "Software"), to deal
joenagata 0:e5197e77ab57 7 in the Software without restriction, including without limitation the rights
joenagata 0:e5197e77ab57 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
joenagata 0:e5197e77ab57 9 copies of the Software, and to permit persons to whom the Software is
joenagata 0:e5197e77ab57 10 furnished to do so, subject to the following conditions:
joenagata 0:e5197e77ab57 11
joenagata 0:e5197e77ab57 12 The above copyright notice and this permission notice shall be included in
joenagata 0:e5197e77ab57 13 all copies or substantial portions of the Software.
joenagata 0:e5197e77ab57 14
joenagata 0:e5197e77ab57 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
joenagata 0:e5197e77ab57 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
joenagata 0:e5197e77ab57 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
joenagata 0:e5197e77ab57 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
joenagata 0:e5197e77ab57 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
joenagata 0:e5197e77ab57 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
joenagata 0:e5197e77ab57 21 THE SOFTWARE.
joenagata 0:e5197e77ab57 22 */
joenagata 0:e5197e77ab57 23
joenagata 0:e5197e77ab57 24 #include "mbed.h"
joenagata 0:e5197e77ab57 25 #include "USBHost.h"
joenagata 0:e5197e77ab57 26
joenagata 0:e5197e77ab57 27 // Config (default uses x bytes)
joenagata 0:e5197e77ab57 28 #define MAX_DEVICES 8 // Max number of devices
joenagata 0:e5197e77ab57 29 #define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
joenagata 0:e5197e77ab57 30 #define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
joenagata 0:e5197e77ab57 31
joenagata 0:e5197e77ab57 32 #define USBLOG 1
joenagata 0:e5197e77ab57 33 #if USBLOG
joenagata 0:e5197e77ab57 34 #define LOG(...) printf(__VA_ARGS__)
joenagata 0:e5197e77ab57 35 #else
joenagata 0:e5197e77ab57 36 #define LOG(...) do {} while(0)
joenagata 0:e5197e77ab57 37 #endif
joenagata 0:e5197e77ab57 38
joenagata 0:e5197e77ab57 39 // USB host structures
joenagata 0:e5197e77ab57 40
joenagata 0:e5197e77ab57 41 #define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
joenagata 0:e5197e77ab57 42 #define USB_RAM_BASE 0x2007C000
joenagata 0:e5197e77ab57 43
joenagata 0:e5197e77ab57 44 #define TOKEN_SETUP 0
joenagata 0:e5197e77ab57 45 #define TOKEN_IN 1
joenagata 0:e5197e77ab57 46 #define TOKEN_OUT 2
joenagata 0:e5197e77ab57 47
joenagata 0:e5197e77ab57 48 // Status flags from hub
joenagata 0:e5197e77ab57 49 #define PORT_CONNECTION 0
joenagata 0:e5197e77ab57 50 #define PORT_ENABLE 1
joenagata 0:e5197e77ab57 51 #define PORT_SUSPEND 2
joenagata 0:e5197e77ab57 52 #define PORT_OVER_CURRENT 3
joenagata 0:e5197e77ab57 53 #define PORT_RESET 4
joenagata 0:e5197e77ab57 54 #define PORT_POWER 8
joenagata 0:e5197e77ab57 55 #define PORT_LOW_SPEED 9
joenagata 0:e5197e77ab57 56
joenagata 0:e5197e77ab57 57 #define C_PORT_CONNECTION 16
joenagata 0:e5197e77ab57 58 #define C_PORT_ENABLE 17
joenagata 0:e5197e77ab57 59 #define C_PORT_SUSPEND 18
joenagata 0:e5197e77ab57 60 #define C_PORT_OVER_CURRENT 19
joenagata 0:e5197e77ab57 61 #define C_PORT_RESET 20
joenagata 0:e5197e77ab57 62
joenagata 0:e5197e77ab57 63 typedef struct {
joenagata 0:e5197e77ab57 64 u8 bm_request_type;
joenagata 0:e5197e77ab57 65 u8 b_request;
joenagata 0:e5197e77ab57 66 u16 w_value;
joenagata 0:e5197e77ab57 67 u16 w_index;
joenagata 0:e5197e77ab57 68 u16 w_length;
joenagata 0:e5197e77ab57 69 } Setup;
joenagata 0:e5197e77ab57 70
joenagata 0:e5197e77ab57 71
joenagata 0:e5197e77ab57 72 // Hub stuff is kept private just to keep api simple
joenagata 0:e5197e77ab57 73 int SetPortFeature(int device, int feature, int index);
joenagata 0:e5197e77ab57 74 int ClearPortFeature(int device, int feature, int index);
joenagata 0:e5197e77ab57 75 int SetPortPower(int device, int port);
joenagata 0:e5197e77ab57 76 int SetPortReset(int device, int port);
joenagata 0:e5197e77ab57 77 int GetPortStatus(int device, int port, u32* status);
joenagata 0:e5197e77ab57 78
joenagata 0:e5197e77ab57 79 //===================================================================
joenagata 0:e5197e77ab57 80 //===================================================================
joenagata 0:e5197e77ab57 81 // Hardware defines
joenagata 0:e5197e77ab57 82
joenagata 0:e5197e77ab57 83 // HcControl
joenagata 0:e5197e77ab57 84 #define PeriodicListEnable 0x00000004
joenagata 0:e5197e77ab57 85 #define IsochronousEnable 0x00000008
joenagata 0:e5197e77ab57 86 #define ControlListEnable 0x00000010
joenagata 0:e5197e77ab57 87 #define BulkListEnable 0x00000020
joenagata 0:e5197e77ab57 88 #define OperationalMask 0x00000080
joenagata 0:e5197e77ab57 89 #define HostControllerFunctionalState 0x000000C0
joenagata 0:e5197e77ab57 90
joenagata 0:e5197e77ab57 91 // HcCommandStatus
joenagata 0:e5197e77ab57 92 #define HostControllerReset 0x00000001
joenagata 0:e5197e77ab57 93 #define ControlListFilled 0x00000002
joenagata 0:e5197e77ab57 94 #define BulkListFilled 0x00000004
joenagata 0:e5197e77ab57 95
joenagata 0:e5197e77ab57 96 // HcInterruptStatus Register
joenagata 0:e5197e77ab57 97 #define WritebackDoneHead 0x00000002
joenagata 0:e5197e77ab57 98 #define StartofFrame 0x00000004
joenagata 0:e5197e77ab57 99 #define ResumeDetected 0x00000008
joenagata 0:e5197e77ab57 100 #define UnrecoverableError 0x00000010
joenagata 0:e5197e77ab57 101 #define FrameNumberOverflow 0x00000020
joenagata 0:e5197e77ab57 102 #define RootHubStatusChange 0x00000040
joenagata 0:e5197e77ab57 103 #define OwnershipChange 0x00000080
joenagata 0:e5197e77ab57 104 #define MasterInterruptEnable 0x80000000
joenagata 0:e5197e77ab57 105
joenagata 0:e5197e77ab57 106 // HcRhStatus
joenagata 0:e5197e77ab57 107 #define SetGlobalPower 0x00010000
joenagata 0:e5197e77ab57 108 #define DeviceRemoteWakeupEnable 0x00008000
joenagata 0:e5197e77ab57 109
joenagata 0:e5197e77ab57 110 // HcRhPortStatus (hub 0, port 1)
joenagata 0:e5197e77ab57 111 #define CurrentConnectStatus 0x00000001
joenagata 0:e5197e77ab57 112 #define PortEnableStatus 0x00000002
joenagata 0:e5197e77ab57 113 #define PortSuspendStatus 0x00000004
joenagata 0:e5197e77ab57 114 #define PortOverCurrentIndicator 0x00000008
joenagata 0:e5197e77ab57 115 #define PortResetStatus 0x00000010
joenagata 0:e5197e77ab57 116
joenagata 0:e5197e77ab57 117 #define PortPowerStatus 0x00000100
joenagata 0:e5197e77ab57 118 #define LowspeedDevice 0x00000200
joenagata 0:e5197e77ab57 119 #define HighspeedDevice 0x00000400
joenagata 0:e5197e77ab57 120
joenagata 0:e5197e77ab57 121 #define ConnectStatusChange (CurrentConnectStatus << 16)
joenagata 0:e5197e77ab57 122 #define PortResetStatusChange (PortResetStatus << 16)
joenagata 0:e5197e77ab57 123
joenagata 0:e5197e77ab57 124
joenagata 0:e5197e77ab57 125 #define TD_ROUNDING (u32)0x00040000
joenagata 0:e5197e77ab57 126 #define TD_SETUP (u32)0x00000000
joenagata 0:e5197e77ab57 127 #define TD_IN (u32)0x00100000
joenagata 0:e5197e77ab57 128 #define TD_OUT (u32)0x00080000
joenagata 0:e5197e77ab57 129 #define TD_DELAY_INT(x) (u32)((x) << 21)
joenagata 0:e5197e77ab57 130 #define TD_TOGGLE_0 (u32)0x02000000
joenagata 0:e5197e77ab57 131 #define TD_TOGGLE_1 (u32)0x03000000
joenagata 0:e5197e77ab57 132 #define TD_CC (u32)0xF0000000
joenagata 0:e5197e77ab57 133
joenagata 0:e5197e77ab57 134 // HostController EndPoint Descriptor
joenagata 0:e5197e77ab57 135 typedef struct {
joenagata 0:e5197e77ab57 136 volatile u32 Control;
joenagata 0:e5197e77ab57 137 volatile u32 TailTd;
joenagata 0:e5197e77ab57 138 volatile u32 HeadTd;
joenagata 0:e5197e77ab57 139 volatile u32 Next;
joenagata 0:e5197e77ab57 140 } HCED;
joenagata 0:e5197e77ab57 141
joenagata 0:e5197e77ab57 142 // HostController Transfer Descriptor
joenagata 0:e5197e77ab57 143 typedef struct {
joenagata 0:e5197e77ab57 144 volatile u32 Control;
joenagata 0:e5197e77ab57 145 volatile u32 CurrBufPtr;
joenagata 0:e5197e77ab57 146 volatile u32 Next;
joenagata 0:e5197e77ab57 147 volatile u32 BufEnd;
joenagata 0:e5197e77ab57 148 } HCTD;
joenagata 0:e5197e77ab57 149
joenagata 0:e5197e77ab57 150 // Host Controller Communication Area
joenagata 0:e5197e77ab57 151 typedef struct {
joenagata 0:e5197e77ab57 152 volatile u32 InterruptTable[32];
joenagata 0:e5197e77ab57 153 volatile u16 FrameNumber;
joenagata 0:e5197e77ab57 154 volatile u16 FrameNumberPad;
joenagata 0:e5197e77ab57 155 volatile u32 DoneHead;
joenagata 0:e5197e77ab57 156 volatile u8 Reserved[120];
joenagata 0:e5197e77ab57 157 } HCCA;
joenagata 0:e5197e77ab57 158
joenagata 0:e5197e77ab57 159 //====================================================================================
joenagata 0:e5197e77ab57 160 //====================================================================================
joenagata 0:e5197e77ab57 161
joenagata 0:e5197e77ab57 162 class HostController;
joenagata 0:e5197e77ab57 163 class Endpoint;
joenagata 0:e5197e77ab57 164 class Device;
joenagata 0:e5197e77ab57 165
joenagata 0:e5197e77ab57 166 // must be 3*16 bytes long
joenagata 0:e5197e77ab57 167 class Endpoint
joenagata 0:e5197e77ab57 168 {
joenagata 0:e5197e77ab57 169 public:
joenagata 0:e5197e77ab57 170 HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
joenagata 0:e5197e77ab57 171 HCTD TDHead;
joenagata 0:e5197e77ab57 172
joenagata 0:e5197e77ab57 173 enum State
joenagata 0:e5197e77ab57 174 {
joenagata 0:e5197e77ab57 175 Free,
joenagata 0:e5197e77ab57 176 NotQueued,
joenagata 0:e5197e77ab57 177 Idle,
joenagata 0:e5197e77ab57 178 SetupQueued,
joenagata 0:e5197e77ab57 179 DataQueued,
joenagata 0:e5197e77ab57 180 StatusQueued,
joenagata 0:e5197e77ab57 181 CallbackPending
joenagata 0:e5197e77ab57 182 };
joenagata 0:e5197e77ab57 183
joenagata 0:e5197e77ab57 184 volatile u8 CurrentState;
joenagata 0:e5197e77ab57 185 u8 Flags; // 0x80 In, 0x03 mask endpoint type
joenagata 0:e5197e77ab57 186
joenagata 0:e5197e77ab57 187 u16 Length;
joenagata 0:e5197e77ab57 188 u8* Data;
joenagata 0:e5197e77ab57 189 USBCallback Callback; // Must be a multiple of 16 bytes long
joenagata 0:e5197e77ab57 190 void* UserData;
joenagata 0:e5197e77ab57 191
joenagata 0:e5197e77ab57 192 int Address()
joenagata 0:e5197e77ab57 193 {
joenagata 0:e5197e77ab57 194 int ep = (EndpointDescriptor.Control >> 7) & 0xF;
joenagata 0:e5197e77ab57 195 if (ep)
joenagata 0:e5197e77ab57 196 ep |= Flags & 0x80;
joenagata 0:e5197e77ab57 197 return ep;
joenagata 0:e5197e77ab57 198 }
joenagata 0:e5197e77ab57 199
joenagata 0:e5197e77ab57 200 int Device()
joenagata 0:e5197e77ab57 201 {
joenagata 0:e5197e77ab57 202 return EndpointDescriptor.Control & 0x7F;
joenagata 0:e5197e77ab57 203 }
joenagata 0:e5197e77ab57 204
joenagata 0:e5197e77ab57 205 int Status()
joenagata 0:e5197e77ab57 206 {
joenagata 0:e5197e77ab57 207 return (TDHead.Control >> 28) & 0xF;
joenagata 0:e5197e77ab57 208 }
joenagata 0:e5197e77ab57 209
joenagata 0:e5197e77ab57 210 u32 Enqueue(u32 head)
joenagata 0:e5197e77ab57 211 {
joenagata 0:e5197e77ab57 212 if (CurrentState == NotQueued)
joenagata 0:e5197e77ab57 213 {
joenagata 0:e5197e77ab57 214 EndpointDescriptor.Next = head;
joenagata 0:e5197e77ab57 215 head = (u32)&EndpointDescriptor;
joenagata 0:e5197e77ab57 216 CurrentState = Idle;
joenagata 0:e5197e77ab57 217 }
joenagata 0:e5197e77ab57 218 return head;
joenagata 0:e5197e77ab57 219 }
joenagata 0:e5197e77ab57 220 };
joenagata 0:e5197e77ab57 221
joenagata 0:e5197e77ab57 222 class Device
joenagata 0:e5197e77ab57 223 {
joenagata 0:e5197e77ab57 224 public:
joenagata 0:e5197e77ab57 225 u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
joenagata 0:e5197e77ab57 226 u8 Hub;
joenagata 0:e5197e77ab57 227 u8 Port;
joenagata 0:e5197e77ab57 228 u8 Addr;
joenagata 0:e5197e77ab57 229 u8 Pad;
joenagata 0:e5197e77ab57 230
joenagata 0:e5197e77ab57 231 // Only if this device is a hub
joenagata 0:e5197e77ab57 232 u8 HubPortCount; // nonzero if this is a hub
joenagata 0:e5197e77ab57 233 u8 HubInterruptData;
joenagata 0:e5197e77ab57 234 u8 HubMap;
joenagata 0:e5197e77ab57 235 u8 HubMask;
joenagata 0:e5197e77ab57 236
joenagata 0:e5197e77ab57 237 int Flags; // 1 = Disconnected
joenagata 0:e5197e77ab57 238
joenagata 0:e5197e77ab57 239 Setup SetupBuffer;
joenagata 0:e5197e77ab57 240
joenagata 0:e5197e77ab57 241 // Allocate endpoint zero
joenagata 0:e5197e77ab57 242 int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
joenagata 0:e5197e77ab57 243 {
joenagata 0:e5197e77ab57 244 Hub = hub;
joenagata 0:e5197e77ab57 245 Port = port;
joenagata 0:e5197e77ab57 246 Addr = addr;
joenagata 0:e5197e77ab57 247 Flags = lowSpeed;
joenagata 0:e5197e77ab57 248 memset(_endpointMap,0xFF,sizeof(_endpointMap));
joenagata 0:e5197e77ab57 249 return 0;
joenagata 0:e5197e77ab57 250 }
joenagata 0:e5197e77ab57 251
joenagata 0:e5197e77ab57 252 int SetEndpointIndex(int ep, int endpointIndex)
joenagata 0:e5197e77ab57 253 {
joenagata 0:e5197e77ab57 254 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
joenagata 0:e5197e77ab57 255 {
joenagata 0:e5197e77ab57 256 if (_endpointMap[i] == 0xFF) // Add endpoint to map
joenagata 0:e5197e77ab57 257 {
joenagata 0:e5197e77ab57 258 _endpointMap[i] = ep;
joenagata 0:e5197e77ab57 259 _endpointMap[i+1] = endpointIndex;
joenagata 0:e5197e77ab57 260 return 0;
joenagata 0:e5197e77ab57 261 }
joenagata 0:e5197e77ab57 262 }
joenagata 0:e5197e77ab57 263 return ERR_ENDPOINT_NONE_LEFT;
joenagata 0:e5197e77ab57 264 }
joenagata 0:e5197e77ab57 265
joenagata 0:e5197e77ab57 266 int GetEndpointIndex(int ep)
joenagata 0:e5197e77ab57 267 {
joenagata 0:e5197e77ab57 268 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
joenagata 0:e5197e77ab57 269 {
joenagata 0:e5197e77ab57 270 if (_endpointMap[i] == ep)
joenagata 0:e5197e77ab57 271 return _endpointMap[i+1];
joenagata 0:e5197e77ab57 272 if (_endpointMap[i] == 0xFF)
joenagata 0:e5197e77ab57 273 break;
joenagata 0:e5197e77ab57 274 }
joenagata 0:e5197e77ab57 275 return -1;
joenagata 0:e5197e77ab57 276 }
joenagata 0:e5197e77ab57 277 };
joenagata 0:e5197e77ab57 278
joenagata 0:e5197e77ab57 279 class HostController
joenagata 0:e5197e77ab57 280 {
joenagata 0:e5197e77ab57 281 public:
joenagata 0:e5197e77ab57 282 HCCA CommunicationArea;
joenagata 0:e5197e77ab57 283 Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
joenagata 0:e5197e77ab57 284
joenagata 0:e5197e77ab57 285 Endpoint EndpointZero; // For device enumeration
joenagata 0:e5197e77ab57 286 HCTD _commonTail;
joenagata 0:e5197e77ab57 287 Setup _setupZero;
joenagata 0:e5197e77ab57 288
joenagata 0:e5197e77ab57 289 Device Devices[MAX_DEVICES];
joenagata 0:e5197e77ab57 290 u32 _frameNumber; // 32 bit ms counter
joenagata 0:e5197e77ab57 291
joenagata 0:e5197e77ab57 292 u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
joenagata 0:e5197e77ab57 293 u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
joenagata 0:e5197e77ab57 294 u8 _unused0;
joenagata 0:e5197e77ab57 295 u8 _unused1;
joenagata 0:e5197e77ab57 296
joenagata 0:e5197e77ab57 297 u8 _connectPending; // Reset has initiated a connect
joenagata 0:e5197e77ab57 298 u8 _connectCountdown; // Number of ms left after reset before we can connect
joenagata 0:e5197e77ab57 299 u8 _connectHub; // Will connect on this hub
joenagata 0:e5197e77ab57 300 u8 _connectPort; // ... and this port
joenagata 0:e5197e77ab57 301
joenagata 0:e5197e77ab57 302 u8 SRAM[0]; // Start of free SRAM
joenagata 0:e5197e77ab57 303
joenagata 0:e5197e77ab57 304 void Loop()
joenagata 0:e5197e77ab57 305 {
joenagata 0:e5197e77ab57 306 u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
joenagata 0:e5197e77ab57 307 _frameNumber += elapsed;
joenagata 0:e5197e77ab57 308
joenagata 0:e5197e77ab57 309 // Do callbacks, if any
joenagata 0:e5197e77ab57 310 while (_callbacksPending)
joenagata 0:e5197e77ab57 311 {
joenagata 0:e5197e77ab57 312 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
joenagata 0:e5197e77ab57 313 {
joenagata 0:e5197e77ab57 314 Endpoint* endpoint = Endpoints + i;
joenagata 0:e5197e77ab57 315 if (endpoint->CurrentState == Endpoint::CallbackPending)
joenagata 0:e5197e77ab57 316 {
joenagata 0:e5197e77ab57 317 _callbacksPending--;
joenagata 0:e5197e77ab57 318 endpoint->CurrentState = Endpoint::Idle;
joenagata 0:e5197e77ab57 319 endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
joenagata 0:e5197e77ab57 320 }
joenagata 0:e5197e77ab57 321 }
joenagata 0:e5197e77ab57 322 }
joenagata 0:e5197e77ab57 323
joenagata 0:e5197e77ab57 324 // Deal with changes on the root hub
joenagata 0:e5197e77ab57 325 if (_rootHubStatusChange)
joenagata 0:e5197e77ab57 326 {
joenagata 0:e5197e77ab57 327 u32 status = LPC_USB->HcRhPortStatus1;
joenagata 0:e5197e77ab57 328 _rootHubStatusChange = 0;
joenagata 0:e5197e77ab57 329 if (status >> 16)
joenagata 0:e5197e77ab57 330 {
joenagata 0:e5197e77ab57 331 HubStatusChange(0,1,status);
joenagata 0:e5197e77ab57 332 LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
joenagata 0:e5197e77ab57 333 }
joenagata 0:e5197e77ab57 334 }
joenagata 0:e5197e77ab57 335
joenagata 0:e5197e77ab57 336 // Connect after reset timeout
joenagata 0:e5197e77ab57 337 if (_connectCountdown)
joenagata 0:e5197e77ab57 338 {
joenagata 0:e5197e77ab57 339 if (elapsed >= _connectCountdown)
joenagata 0:e5197e77ab57 340 {
joenagata 0:e5197e77ab57 341 _connectCountdown = 0;
joenagata 0:e5197e77ab57 342 Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
joenagata 0:e5197e77ab57 343 } else
joenagata 0:e5197e77ab57 344 _connectCountdown -= elapsed;
joenagata 0:e5197e77ab57 345 }
joenagata 0:e5197e77ab57 346 }
joenagata 0:e5197e77ab57 347
joenagata 0:e5197e77ab57 348 // HubInterrupt - bitmap in dev->HubInterruptData
joenagata 0:e5197e77ab57 349 void HubInterrupt(int device)
joenagata 0:e5197e77ab57 350 {
joenagata 0:e5197e77ab57 351 Device* dev = &Devices[device-1];
joenagata 0:e5197e77ab57 352 for (int i = 0; i < dev->HubPortCount; i++)
joenagata 0:e5197e77ab57 353 {
joenagata 0:e5197e77ab57 354 int port = i+1;
joenagata 0:e5197e77ab57 355 if (dev->HubInterruptData & (1 << port))
joenagata 0:e5197e77ab57 356 {
joenagata 0:e5197e77ab57 357 u32 status = 0;
joenagata 0:e5197e77ab57 358 GetPortStatus(device,port,&status);
joenagata 0:e5197e77ab57 359 if (status >> 16)
joenagata 0:e5197e77ab57 360 {
joenagata 0:e5197e77ab57 361 if (_connectPending && (status & ConnectStatusChange))
joenagata 0:e5197e77ab57 362 continue; // Don't connect again until previous device has been added and addressed
joenagata 0:e5197e77ab57 363
joenagata 0:e5197e77ab57 364 HubStatusChange(device,port,status);
joenagata 0:e5197e77ab57 365 if (status & ConnectStatusChange)
joenagata 0:e5197e77ab57 366 ClearPortFeature(device,C_PORT_CONNECTION,port);
joenagata 0:e5197e77ab57 367 if (status & PortResetStatusChange)
joenagata 0:e5197e77ab57 368 ClearPortFeature(device,C_PORT_RESET,port);
joenagata 0:e5197e77ab57 369 }
joenagata 0:e5197e77ab57 370 }
joenagata 0:e5197e77ab57 371 }
joenagata 0:e5197e77ab57 372 }
joenagata 0:e5197e77ab57 373
joenagata 0:e5197e77ab57 374 static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
joenagata 0:e5197e77ab57 375 {
joenagata 0:e5197e77ab57 376 HostController* controller = (HostController*)userData;
joenagata 0:e5197e77ab57 377 if (status == 0)
joenagata 0:e5197e77ab57 378 controller->HubInterrupt(device);
joenagata 0:e5197e77ab57 379 USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
joenagata 0:e5197e77ab57 380 }
joenagata 0:e5197e77ab57 381
joenagata 0:e5197e77ab57 382 int InitHub(int device)
joenagata 0:e5197e77ab57 383 {
joenagata 0:e5197e77ab57 384 u8 buf[16];
joenagata 0:e5197e77ab57 385 int r= USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
joenagata 0:e5197e77ab57 386 if (r < 0)
joenagata 0:e5197e77ab57 387 return ERR_HUB_INIT_FAILED;
joenagata 0:e5197e77ab57 388
joenagata 0:e5197e77ab57 389 // turn on power on the hubs ports
joenagata 0:e5197e77ab57 390 Device* dev = &Devices[device-1];
joenagata 0:e5197e77ab57 391 int ports = buf[2];
joenagata 0:e5197e77ab57 392 dev->HubPortCount = ports;
joenagata 0:e5197e77ab57 393 for (int i = 0; i < ports; i++)
joenagata 0:e5197e77ab57 394 SetPortPower(device,i+1);
joenagata 0:e5197e77ab57 395
joenagata 0:e5197e77ab57 396 // Enable hub change interrupts
joenagata 0:e5197e77ab57 397 return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
joenagata 0:e5197e77ab57 398 }
joenagata 0:e5197e77ab57 399
joenagata 0:e5197e77ab57 400 int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
joenagata 0:e5197e77ab57 401 {
joenagata 0:e5197e77ab57 402 LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\n",device,ep,attributes,maxPacketSize,interval);
joenagata 0:e5197e77ab57 403 Device* dev = &Devices[device-1];
joenagata 0:e5197e77ab57 404 Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
joenagata 0:e5197e77ab57 405 if (!endpoint)
joenagata 0:e5197e77ab57 406 return ERR_ENDPOINT_NONE_LEFT;
joenagata 0:e5197e77ab57 407 dev->SetEndpointIndex(ep,endpoint - Endpoints);
joenagata 0:e5197e77ab57 408 endpoint->EndpointDescriptor.Control |= dev->Flags; // Map in slow speed
joenagata 0:e5197e77ab57 409 return 0; // TODO ed->bInterval
joenagata 0:e5197e77ab57 410 }
joenagata 0:e5197e77ab57 411
joenagata 0:e5197e77ab57 412 int AddEndpoint(int device, EndpointDescriptor* ed)
joenagata 0:e5197e77ab57 413 {
joenagata 0:e5197e77ab57 414 return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
joenagata 0:e5197e77ab57 415 }
joenagata 0:e5197e77ab57 416
joenagata 0:e5197e77ab57 417 // allocate a endpoint
joenagata 0:e5197e77ab57 418 Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
joenagata 0:e5197e77ab57 419 {
joenagata 0:e5197e77ab57 420 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
joenagata 0:e5197e77ab57 421 {
joenagata 0:e5197e77ab57 422 Endpoint* ep = &Endpoints[i];
joenagata 0:e5197e77ab57 423 if (ep->CurrentState == 0)
joenagata 0:e5197e77ab57 424 {
joenagata 0:e5197e77ab57 425 //LOG("Allocated endpoint %d to %02X:%02X\n",i,device,endpointAddress);
joenagata 0:e5197e77ab57 426 ep->Flags = (endpointAddress & 0x80) | (type & 3);
joenagata 0:e5197e77ab57 427 ep->CurrentState = Endpoint::NotQueued;
joenagata 0:e5197e77ab57 428 ep->EndpointDescriptor.Control = (maxPacketSize << 16) | ((endpointAddress & 0x7F) << 7) | device;
joenagata 0:e5197e77ab57 429 return ep;
joenagata 0:e5197e77ab57 430 }
joenagata 0:e5197e77ab57 431 }
joenagata 0:e5197e77ab57 432 return 0;
joenagata 0:e5197e77ab57 433 }
joenagata 0:e5197e77ab57 434
joenagata 0:e5197e77ab57 435 Endpoint* GetEndpoint(int device, int ep)
joenagata 0:e5197e77ab57 436 {
joenagata 0:e5197e77ab57 437 if (device == 0)
joenagata 0:e5197e77ab57 438 {
joenagata 0:e5197e77ab57 439 //printf("WARNING: USING DEVICE 0\n");
joenagata 0:e5197e77ab57 440 return &EndpointZero;
joenagata 0:e5197e77ab57 441 }
joenagata 0:e5197e77ab57 442 if (device > MAX_DEVICES)
joenagata 0:e5197e77ab57 443 return 0;
joenagata 0:e5197e77ab57 444 int i = Devices[device-1].GetEndpointIndex(ep);
joenagata 0:e5197e77ab57 445 if (i == -1)
joenagata 0:e5197e77ab57 446 return 0;
joenagata 0:e5197e77ab57 447 return Endpoints + i;
joenagata 0:e5197e77ab57 448 }
joenagata 0:e5197e77ab57 449
joenagata 0:e5197e77ab57 450 int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
joenagata 0:e5197e77ab57 451 {
joenagata 0:e5197e77ab57 452 //LOG("Transfer %02X T:%d Len:%d S:%d\n",endpoint->Address(),token,len,state);
joenagata 0:e5197e77ab57 453
joenagata 0:e5197e77ab57 454 int toggle = 0;
joenagata 0:e5197e77ab57 455 if (endpoint->Address() == 0)
joenagata 0:e5197e77ab57 456 toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
joenagata 0:e5197e77ab57 457
joenagata 0:e5197e77ab57 458 if (token != TOKEN_SETUP)
joenagata 0:e5197e77ab57 459 token = (token == TOKEN_IN ? TD_IN : TD_OUT);
joenagata 0:e5197e77ab57 460
joenagata 0:e5197e77ab57 461 HCTD* head = &endpoint->TDHead;
joenagata 0:e5197e77ab57 462 HCTD* tail = &_commonTail;
joenagata 0:e5197e77ab57 463
joenagata 0:e5197e77ab57 464 head->Control = TD_ROUNDING | token | TD_DELAY_INT(0) | toggle | TD_CC;
joenagata 0:e5197e77ab57 465 head->CurrBufPtr = (u32)data;
joenagata 0:e5197e77ab57 466 head->BufEnd = (u32)(data + len - 1);
joenagata 0:e5197e77ab57 467 head->Next = (u32)tail;
joenagata 0:e5197e77ab57 468
joenagata 0:e5197e77ab57 469 HCED* ed = &endpoint->EndpointDescriptor;
joenagata 0:e5197e77ab57 470 ed->HeadTd = (u32)head | (ed->HeadTd & 0x00000002); // carry toggle
joenagata 0:e5197e77ab57 471 ed->TailTd = (u32)tail;
joenagata 0:e5197e77ab57 472
joenagata 0:e5197e77ab57 473 //HCTD* td = head;
joenagata 0:e5197e77ab57 474 //LOG("%04X TD %08X %08X %08X Next:%08X\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
joenagata 0:e5197e77ab57 475 //LOG("%04X ED %08X %08X %08X\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
joenagata 0:e5197e77ab57 476
joenagata 0:e5197e77ab57 477 switch (endpoint->Flags & 3)
joenagata 0:e5197e77ab57 478 {
joenagata 0:e5197e77ab57 479 case ENDPOINT_CONTROL:
joenagata 0:e5197e77ab57 480 LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
joenagata 0:e5197e77ab57 481 endpoint->CurrentState = state; // Get in before an int
joenagata 0:e5197e77ab57 482 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | ControlListFilled;
joenagata 0:e5197e77ab57 483 LPC_USB->HcControl = LPC_USB->HcControl | ControlListEnable;
joenagata 0:e5197e77ab57 484 break;
joenagata 0:e5197e77ab57 485
joenagata 0:e5197e77ab57 486 case ENDPOINT_BULK:
joenagata 0:e5197e77ab57 487 LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
joenagata 0:e5197e77ab57 488 endpoint->CurrentState = state;
joenagata 0:e5197e77ab57 489 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | BulkListFilled;
joenagata 0:e5197e77ab57 490 LPC_USB->HcControl = LPC_USB->HcControl | BulkListEnable;
joenagata 0:e5197e77ab57 491 break;
joenagata 0:e5197e77ab57 492
joenagata 0:e5197e77ab57 493 case ENDPOINT_INTERRUPT:
joenagata 0:e5197e77ab57 494 CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
joenagata 0:e5197e77ab57 495 endpoint->CurrentState = state;
joenagata 0:e5197e77ab57 496 LPC_USB->HcControl |= PeriodicListEnable;
joenagata 0:e5197e77ab57 497 break;
joenagata 0:e5197e77ab57 498 }
joenagata 0:e5197e77ab57 499 return 0;
joenagata 0:e5197e77ab57 500 }
joenagata 0:e5197e77ab57 501
joenagata 0:e5197e77ab57 502 // Remove an endpoint from an active queue
joenagata 0:e5197e77ab57 503 bool Remove(HCED* ed, volatile HCED** queue)
joenagata 0:e5197e77ab57 504 {
joenagata 0:e5197e77ab57 505 if (*queue == 0)
joenagata 0:e5197e77ab57 506 return false;
joenagata 0:e5197e77ab57 507 if (*queue == (volatile HCED*)ed)
joenagata 0:e5197e77ab57 508 {
joenagata 0:e5197e77ab57 509 *queue = (volatile HCED*)ed->Next; // At head of queue
joenagata 0:e5197e77ab57 510 return true;
joenagata 0:e5197e77ab57 511 }
joenagata 0:e5197e77ab57 512
joenagata 0:e5197e77ab57 513 volatile HCED* head = *queue;
joenagata 0:e5197e77ab57 514 while (head)
joenagata 0:e5197e77ab57 515 {
joenagata 0:e5197e77ab57 516 if (head->Next == (u32)ed)
joenagata 0:e5197e77ab57 517 {
joenagata 0:e5197e77ab57 518 head->Next = ed->Next;
joenagata 0:e5197e77ab57 519 return true;
joenagata 0:e5197e77ab57 520 }
joenagata 0:e5197e77ab57 521 head = (volatile HCED*)head->Next;
joenagata 0:e5197e77ab57 522 }
joenagata 0:e5197e77ab57 523 return false;
joenagata 0:e5197e77ab57 524 }
joenagata 0:e5197e77ab57 525
joenagata 0:e5197e77ab57 526 void Release(Endpoint* endpoint)
joenagata 0:e5197e77ab57 527 {
joenagata 0:e5197e77ab57 528 if (endpoint->CurrentState == Endpoint::NotQueued)
joenagata 0:e5197e77ab57 529 {
joenagata 0:e5197e77ab57 530 // Never event used it, nothing to do
joenagata 0:e5197e77ab57 531 }
joenagata 0:e5197e77ab57 532 else
joenagata 0:e5197e77ab57 533 {
joenagata 0:e5197e77ab57 534 HCED* ed = (HCED*)endpoint;
joenagata 0:e5197e77ab57 535 ed->Control |= 0x4000; // SKIP
joenagata 0:e5197e77ab57 536 switch (endpoint->Flags & 0x03)
joenagata 0:e5197e77ab57 537 {
joenagata 0:e5197e77ab57 538 case ENDPOINT_CONTROL:
joenagata 0:e5197e77ab57 539 Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
joenagata 0:e5197e77ab57 540 break;
joenagata 0:e5197e77ab57 541 case ENDPOINT_BULK:
joenagata 0:e5197e77ab57 542 Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
joenagata 0:e5197e77ab57 543 break;
joenagata 0:e5197e77ab57 544 case ENDPOINT_INTERRUPT:
joenagata 0:e5197e77ab57 545 for (int i = 0; i < 32; i++)
joenagata 0:e5197e77ab57 546 Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
joenagata 0:e5197e77ab57 547 break;
joenagata 0:e5197e77ab57 548 }
joenagata 0:e5197e77ab57 549
joenagata 0:e5197e77ab57 550 u16 fn = CommunicationArea.FrameNumber;
joenagata 0:e5197e77ab57 551 while (fn == CommunicationArea.FrameNumber)
joenagata 0:e5197e77ab57 552 ; // Wait for next frame
joenagata 0:e5197e77ab57 553
joenagata 0:e5197e77ab57 554 }
joenagata 0:e5197e77ab57 555
joenagata 0:e5197e77ab57 556 // In theory, the endpoint is now dead.
joenagata 0:e5197e77ab57 557 // TODO: Will Callbacks ever be pending? BUGBUG
joenagata 0:e5197e77ab57 558 memset(endpoint,0,sizeof(Endpoint));
joenagata 0:e5197e77ab57 559 }
joenagata 0:e5197e77ab57 560
joenagata 0:e5197e77ab57 561 // Pop the last TD from the list
joenagata 0:e5197e77ab57 562 HCTD* Reverse(HCTD* current)
joenagata 0:e5197e77ab57 563 {
joenagata 0:e5197e77ab57 564 HCTD *result = NULL,*temp;
joenagata 0:e5197e77ab57 565 while (current)
joenagata 0:e5197e77ab57 566 {
joenagata 0:e5197e77ab57 567 temp = (HCTD*)current->Next;
joenagata 0:e5197e77ab57 568 current->Next = (u32)result;
joenagata 0:e5197e77ab57 569 result = current;
joenagata 0:e5197e77ab57 570 current = temp;
joenagata 0:e5197e77ab57 571 }
joenagata 0:e5197e77ab57 572 return result;
joenagata 0:e5197e77ab57 573 }
joenagata 0:e5197e77ab57 574
joenagata 0:e5197e77ab57 575 // Called from interrupt...
joenagata 0:e5197e77ab57 576 // Control endpoints use a state machine to progress through the transfers
joenagata 0:e5197e77ab57 577 void ProcessDoneQueue(u32 tdList)
joenagata 0:e5197e77ab57 578 {
joenagata 0:e5197e77ab57 579 HCTD* list = Reverse((HCTD*)tdList);
joenagata 0:e5197e77ab57 580 while (list)
joenagata 0:e5197e77ab57 581 {
joenagata 0:e5197e77ab57 582 Endpoint* endpoint = (Endpoint*)(list-1);
joenagata 0:e5197e77ab57 583 list = (HCTD*)list->Next;
joenagata 0:e5197e77ab57 584 int ep = endpoint->Address();
joenagata 0:e5197e77ab57 585 bool in = endpoint->Flags & 0x80;
joenagata 0:e5197e77ab57 586 int status = (endpoint->TDHead.Control >> 28) & 0xF;
joenagata 0:e5197e77ab57 587
joenagata 0:e5197e77ab57 588 //LOG("ProcessDoneQueue %02X %08X\n",ep,endpoint->TDHead.Control);
joenagata 0:e5197e77ab57 589
joenagata 0:e5197e77ab57 590 if (status != 0)
joenagata 0:e5197e77ab57 591 {
joenagata 0:e5197e77ab57 592 LOG("ProcessDoneQueue status %02X %d\n",ep,status);
joenagata 0:e5197e77ab57 593 endpoint->CurrentState = Endpoint::Idle;
joenagata 0:e5197e77ab57 594 } else {
joenagata 0:e5197e77ab57 595 switch (endpoint->CurrentState)
joenagata 0:e5197e77ab57 596 {
joenagata 0:e5197e77ab57 597 case Endpoint::SetupQueued:
joenagata 0:e5197e77ab57 598 if (endpoint->Length == 0)
joenagata 0:e5197e77ab57 599 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
joenagata 0:e5197e77ab57 600 else
joenagata 0:e5197e77ab57 601 Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
joenagata 0:e5197e77ab57 602 break;
joenagata 0:e5197e77ab57 603
joenagata 0:e5197e77ab57 604 case Endpoint::DataQueued:
joenagata 0:e5197e77ab57 605 if (endpoint->TDHead.CurrBufPtr)
joenagata 0:e5197e77ab57 606 endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
joenagata 0:e5197e77ab57 607
joenagata 0:e5197e77ab57 608 if (ep == 0)
joenagata 0:e5197e77ab57 609 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
joenagata 0:e5197e77ab57 610 else
joenagata 0:e5197e77ab57 611 endpoint->CurrentState = Endpoint::Idle;
joenagata 0:e5197e77ab57 612 break;
joenagata 0:e5197e77ab57 613
joenagata 0:e5197e77ab57 614 case Endpoint::StatusQueued: // Transaction is done
joenagata 0:e5197e77ab57 615 endpoint->CurrentState = Endpoint::Idle;
joenagata 0:e5197e77ab57 616 break;
joenagata 0:e5197e77ab57 617 }
joenagata 0:e5197e77ab57 618 }
joenagata 0:e5197e77ab57 619
joenagata 0:e5197e77ab57 620 // Complete, flag if we need a callback
joenagata 0:e5197e77ab57 621 if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
joenagata 0:e5197e77ab57 622 {
joenagata 0:e5197e77ab57 623 endpoint->CurrentState = Endpoint::CallbackPending;
joenagata 0:e5197e77ab57 624 _callbacksPending++;
joenagata 0:e5197e77ab57 625 }
joenagata 0:e5197e77ab57 626 }
joenagata 0:e5197e77ab57 627 }
joenagata 0:e5197e77ab57 628
joenagata 0:e5197e77ab57 629 // Hack to reset devices that don't want to connect
joenagata 0:e5197e77ab57 630 int AddDevice(int hub, int port, bool isLowSpeed)
joenagata 0:e5197e77ab57 631 {
joenagata 0:e5197e77ab57 632 int device = AddDeviceCore(hub,port,isLowSpeed);
joenagata 0:e5197e77ab57 633 if (device < 0)
joenagata 0:e5197e77ab57 634 {
joenagata 0:e5197e77ab57 635 LOG("========RETRY ADD DEVICE========\n"); // This will go for ever.. TODO power cycle root?
joenagata 0:e5197e77ab57 636 Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
joenagata 0:e5197e77ab57 637 ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
joenagata 0:e5197e77ab57 638 return -1;
joenagata 0:e5197e77ab57 639 }
joenagata 0:e5197e77ab57 640 return device;
joenagata 0:e5197e77ab57 641 }
joenagata 0:e5197e77ab57 642
joenagata 0:e5197e77ab57 643 int AddDeviceCore(int hub, int port, bool isLowSpeed)
joenagata 0:e5197e77ab57 644 {
joenagata 0:e5197e77ab57 645 int lowSpeed = isLowSpeed ? 0x2000 : 0;
joenagata 0:e5197e77ab57 646 DeviceDescriptor desc;
joenagata 0:e5197e77ab57 647 EndpointZero.EndpointDescriptor.Control = (8 << 16) | lowSpeed; // MaxPacketSize == 8
joenagata 0:e5197e77ab57 648 int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
joenagata 0:e5197e77ab57 649 if (r < 0)
joenagata 0:e5197e77ab57 650 {
joenagata 0:e5197e77ab57 651 LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\n");
joenagata 0:e5197e77ab57 652 return r;
joenagata 0:e5197e77ab57 653 }
joenagata 0:e5197e77ab57 654
joenagata 0:e5197e77ab57 655 EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) | lowSpeed; // Actual MaxPacketSize
joenagata 0:e5197e77ab57 656 r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
joenagata 0:e5197e77ab57 657 if (r < 0)
joenagata 0:e5197e77ab57 658 return r;
joenagata 0:e5197e77ab57 659
joenagata 0:e5197e77ab57 660 LOG("\nClass %02X found %04X:%04X\n\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
joenagata 0:e5197e77ab57 661
joenagata 0:e5197e77ab57 662 // Now assign the device an address, move off EndpointZero
joenagata 0:e5197e77ab57 663 int device = 0;
joenagata 0:e5197e77ab57 664 for (int i = 0; i < MAX_DEVICES; i++)
joenagata 0:e5197e77ab57 665 {
joenagata 0:e5197e77ab57 666 if (Devices[i].Port == 0)
joenagata 0:e5197e77ab57 667 {
joenagata 0:e5197e77ab57 668 device = i+1;
joenagata 0:e5197e77ab57 669 break;
joenagata 0:e5197e77ab57 670 }
joenagata 0:e5197e77ab57 671 }
joenagata 0:e5197e77ab57 672 if (!device)
joenagata 0:e5197e77ab57 673 return ERR_DEVICE_NONE_LEFT;
joenagata 0:e5197e77ab57 674
joenagata 0:e5197e77ab57 675 r = SetAddress(0,device);
joenagata 0:e5197e77ab57 676 if (r)
joenagata 0:e5197e77ab57 677 return r;
joenagata 0:e5197e77ab57 678 DelayMS(2);
joenagata 0:e5197e77ab57 679
joenagata 0:e5197e77ab57 680 // Now at a nonzero address, create control endpoint
joenagata 0:e5197e77ab57 681 Device* dev = &Devices[device-1];
joenagata 0:e5197e77ab57 682 dev->Init(&desc,hub,port,device,lowSpeed);
joenagata 0:e5197e77ab57 683 AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
joenagata 0:e5197e77ab57 684 _connectPending = 0;
joenagata 0:e5197e77ab57 685
joenagata 0:e5197e77ab57 686 // Verify this all works
joenagata 0:e5197e77ab57 687 r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
joenagata 0:e5197e77ab57 688 if (r < 0)
joenagata 0:e5197e77ab57 689 return r;
joenagata 0:e5197e77ab57 690
joenagata 0:e5197e77ab57 691 // Set to interface 0 by default
joenagata 0:e5197e77ab57 692 // Calls LoadDevice if interface is found
joenagata 0:e5197e77ab57 693 r = SetConfigurationAndInterface(device,1,0,&desc);
joenagata 0:e5197e77ab57 694
joenagata 0:e5197e77ab57 695 if (desc.bDeviceClass == CLASS_HUB)
joenagata 0:e5197e77ab57 696 InitHub(device); // Handle hubs in this code
joenagata 0:e5197e77ab57 697
joenagata 0:e5197e77ab57 698 return device;
joenagata 0:e5197e77ab57 699 }
joenagata 0:e5197e77ab57 700
joenagata 0:e5197e77ab57 701 // Walk descriptors and create endpoints for a given device
joenagata 0:e5197e77ab57 702 // TODO configuration !=1, alternate settings etc.
joenagata 0:e5197e77ab57 703 int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
joenagata 0:e5197e77ab57 704 {
joenagata 0:e5197e77ab57 705 u8 buffer[255];
joenagata 0:e5197e77ab57 706 int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
joenagata 0:e5197e77ab57 707 if (err < 0)
joenagata 0:e5197e77ab57 708 return err;
joenagata 0:e5197e77ab57 709
joenagata 0:e5197e77ab57 710 err = SetConfiguration(device,configuration);
joenagata 0:e5197e77ab57 711 if (err < 0)
joenagata 0:e5197e77ab57 712 return err;
joenagata 0:e5197e77ab57 713
joenagata 0:e5197e77ab57 714 // Add the endpoints for this interface
joenagata 0:e5197e77ab57 715 int len = buffer[2] | (buffer[3] << 8);
joenagata 0:e5197e77ab57 716 u8* d = buffer;
joenagata 0:e5197e77ab57 717 u8* end = d + len;
joenagata 0:e5197e77ab57 718 InterfaceDescriptor* found = 0;
joenagata 0:e5197e77ab57 719 while (d < end)
joenagata 0:e5197e77ab57 720 {
joenagata 0:e5197e77ab57 721 if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
joenagata 0:e5197e77ab57 722 {
joenagata 0:e5197e77ab57 723 InterfaceDescriptor* id = (InterfaceDescriptor*)d;
joenagata 0:e5197e77ab57 724 if (id->bInterfaceNumber == interfaceNumber)
joenagata 0:e5197e77ab57 725 {
joenagata 0:e5197e77ab57 726 found = id;
joenagata 0:e5197e77ab57 727 d += d[0];
joenagata 0:e5197e77ab57 728 while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
joenagata 0:e5197e77ab57 729 {
joenagata 0:e5197e77ab57 730 switch (d[1])
joenagata 0:e5197e77ab57 731 {
joenagata 0:e5197e77ab57 732 case DESCRIPTOR_TYPE_ENDPOINT:
joenagata 0:e5197e77ab57 733 AddEndpoint(device,(EndpointDescriptor*)d);
joenagata 0:e5197e77ab57 734 break;
joenagata 0:e5197e77ab57 735 default:
joenagata 0:e5197e77ab57 736 LOG("Skipping descriptor %02X (%d bytes)\n",d[1],d[0]);
joenagata 0:e5197e77ab57 737 }
joenagata 0:e5197e77ab57 738 d += d[0];
joenagata 0:e5197e77ab57 739 }
joenagata 0:e5197e77ab57 740 }
joenagata 0:e5197e77ab57 741 }
joenagata 0:e5197e77ab57 742 d += d[0];
joenagata 0:e5197e77ab57 743 }
joenagata 0:e5197e77ab57 744
joenagata 0:e5197e77ab57 745 if (!found)
joenagata 0:e5197e77ab57 746 return ERR_INTERFACE_NOT_FOUND;
joenagata 0:e5197e77ab57 747 OnLoadDevice(device,desc,found);
joenagata 0:e5197e77ab57 748 return 0;
joenagata 0:e5197e77ab57 749 }
joenagata 0:e5197e77ab57 750
joenagata 0:e5197e77ab57 751 void Init()
joenagata 0:e5197e77ab57 752 {
joenagata 0:e5197e77ab57 753 LOG("USB INIT (Controller is %d bytes)\n",sizeof(*this));
joenagata 0:e5197e77ab57 754 memset(this,0,sizeof(HostController));
joenagata 0:e5197e77ab57 755 EndpointZero.CurrentState = Endpoint::NotQueued;
joenagata 0:e5197e77ab57 756 HWInit(&CommunicationArea);
joenagata 0:e5197e77ab57 757 DelayMS(10);
joenagata 0:e5197e77ab57 758 }
joenagata 0:e5197e77ab57 759
joenagata 0:e5197e77ab57 760 void ResetPort(int hub, int port)
joenagata 0:e5197e77ab57 761 {
joenagata 0:e5197e77ab57 762 LOG("ResetPort Hub:%d Port:%d\n",hub,port);
joenagata 0:e5197e77ab57 763 _connectPending++; // Only reset/add 1 device at a time
joenagata 0:e5197e77ab57 764 if (hub == 0)
joenagata 0:e5197e77ab57 765 LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
joenagata 0:e5197e77ab57 766 else
joenagata 0:e5197e77ab57 767 SetPortReset(hub,port); // or reset other hub
joenagata 0:e5197e77ab57 768 }
joenagata 0:e5197e77ab57 769
joenagata 0:e5197e77ab57 770 void Disconnect(int hub, int port)
joenagata 0:e5197e77ab57 771 {
joenagata 0:e5197e77ab57 772 LOG("Disconnect Hub:%d Port:%d\n",hub,port); // Mark a device for destruction
joenagata 0:e5197e77ab57 773 for (int i = 0; i < MAX_DEVICES; i++)
joenagata 0:e5197e77ab57 774 {
joenagata 0:e5197e77ab57 775 Device* dev = Devices + i;
joenagata 0:e5197e77ab57 776 if (dev->Port == port && dev->Hub == hub)
joenagata 0:e5197e77ab57 777 {
joenagata 0:e5197e77ab57 778 // Disconnect everything that is attached to this device if it is a hub
joenagata 0:e5197e77ab57 779 for (int p = 0; p < dev->HubPortCount; p++)
joenagata 0:e5197e77ab57 780 Disconnect(i+1,p+1);
joenagata 0:e5197e77ab57 781
joenagata 0:e5197e77ab57 782 // Now release endpoints
joenagata 0:e5197e77ab57 783 for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
joenagata 0:e5197e77ab57 784 {
joenagata 0:e5197e77ab57 785 u8 endpointIndex = dev->_endpointMap[j];
joenagata 0:e5197e77ab57 786 if (endpointIndex != 0xFF)
joenagata 0:e5197e77ab57 787 Release(Endpoints + endpointIndex);
joenagata 0:e5197e77ab57 788 }
joenagata 0:e5197e77ab57 789 dev->Port = 0; // Device is now free
joenagata 0:e5197e77ab57 790 dev->Flags = 0;
joenagata 0:e5197e77ab57 791 return;
joenagata 0:e5197e77ab57 792 }
joenagata 0:e5197e77ab57 793 }
joenagata 0:e5197e77ab57 794 }
joenagata 0:e5197e77ab57 795
joenagata 0:e5197e77ab57 796 // called after reset
joenagata 0:e5197e77ab57 797 void Connect(int hub, int port, bool lowspeed)
joenagata 0:e5197e77ab57 798 {
joenagata 0:e5197e77ab57 799 LOG("Connect Hub:%d Port:%d %s\n",hub,port,lowspeed ? "slow" : "full");
joenagata 0:e5197e77ab57 800 AddDevice(hub,port,lowspeed);
joenagata 0:e5197e77ab57 801 }
joenagata 0:e5197e77ab57 802
joenagata 0:e5197e77ab57 803 // Called from interrupt
joenagata 0:e5197e77ab57 804 void HubStatusChange(int hub, int port, u32 status)
joenagata 0:e5197e77ab57 805 {
joenagata 0:e5197e77ab57 806 LOG("HubStatusChange Hub:%d Port:%d %08X\n",hub,port,status);
joenagata 0:e5197e77ab57 807 if (status & ConnectStatusChange)
joenagata 0:e5197e77ab57 808 {
joenagata 0:e5197e77ab57 809 if (status & CurrentConnectStatus) // Connecting
joenagata 0:e5197e77ab57 810 ResetPort(hub,port); // Reset to initiate connect (state machine?)
joenagata 0:e5197e77ab57 811 else
joenagata 0:e5197e77ab57 812 Disconnect(hub,port);
joenagata 0:e5197e77ab57 813 }
joenagata 0:e5197e77ab57 814
joenagata 0:e5197e77ab57 815 if (status & PortResetStatusChange)
joenagata 0:e5197e77ab57 816 {
joenagata 0:e5197e77ab57 817 if (!(status & PortResetStatus))
joenagata 0:e5197e77ab57 818 {
joenagata 0:e5197e77ab57 819 _connectCountdown = 200; // Schedule a connection in 200ms
joenagata 0:e5197e77ab57 820 if (status & LowspeedDevice)
joenagata 0:e5197e77ab57 821 port |= 0x80;
joenagata 0:e5197e77ab57 822 _connectHub = hub;
joenagata 0:e5197e77ab57 823 _connectPort = port;
joenagata 0:e5197e77ab57 824 }
joenagata 0:e5197e77ab57 825 }
joenagata 0:e5197e77ab57 826 }
joenagata 0:e5197e77ab57 827
joenagata 0:e5197e77ab57 828 #define HOST_CLK_EN (1<<0)
joenagata 0:e5197e77ab57 829 #define PORTSEL_CLK_EN (1<<3)
joenagata 0:e5197e77ab57 830 #define AHB_CLK_EN (1<<4)
joenagata 0:e5197e77ab57 831 #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
joenagata 0:e5197e77ab57 832
joenagata 0:e5197e77ab57 833 #define FRAMEINTERVAL (12000-1) // 1ms
joenagata 0:e5197e77ab57 834 #define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) | FRAMEINTERVAL)
joenagata 0:e5197e77ab57 835
joenagata 0:e5197e77ab57 836 void DelayMS(int ms)
joenagata 0:e5197e77ab57 837 {
joenagata 0:e5197e77ab57 838 u16 f = ms + CommunicationArea.FrameNumber;
joenagata 0:e5197e77ab57 839 while (f != CommunicationArea.FrameNumber)
joenagata 0:e5197e77ab57 840 ;
joenagata 0:e5197e77ab57 841 }
joenagata 0:e5197e77ab57 842
joenagata 0:e5197e77ab57 843 static void HWInit(HCCA* cca)
joenagata 0:e5197e77ab57 844 {
joenagata 0:e5197e77ab57 845 NVIC_DisableIRQ(USB_IRQn);
joenagata 0:e5197e77ab57 846
joenagata 0:e5197e77ab57 847 // turn on power for USB
joenagata 0:e5197e77ab57 848 LPC_SC->PCONP |= (1UL<<31);
joenagata 0:e5197e77ab57 849 // Enable USB host clock, port selection and AHB clock
joenagata 0:e5197e77ab57 850 LPC_USB->USBClkCtrl |= CLOCK_MASK;
joenagata 0:e5197e77ab57 851 // Wait for clocks to become available
joenagata 0:e5197e77ab57 852 while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
joenagata 0:e5197e77ab57 853 ;
joenagata 0:e5197e77ab57 854
joenagata 0:e5197e77ab57 855 // We are a Host
joenagata 0:e5197e77ab57 856 LPC_USB->OTGStCtrl |= 1;
joenagata 0:e5197e77ab57 857 LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
joenagata 0:e5197e77ab57 858
joenagata 0:e5197e77ab57 859 // configure USB pins
joenagata 0:e5197e77ab57 860 LPC_PINCON->PINSEL1 &= ~((3<<26)|(3<<28));
joenagata 0:e5197e77ab57 861 LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // USB D+/D-
joenagata 0:e5197e77ab57 862
joenagata 0:e5197e77ab57 863 LPC_PINCON->PINSEL3 &= ~((3 << 6) | (3 << 22)); // USB_PPWR, USB_OVRCR
joenagata 0:e5197e77ab57 864 LPC_PINCON->PINSEL3 |= ((2 << 6) | (2 << 22));
joenagata 0:e5197e77ab57 865
joenagata 0:e5197e77ab57 866 LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
joenagata 0:e5197e77ab57 867 LPC_PINCON->PINSEL4 |= (1 << 18);
joenagata 0:e5197e77ab57 868
joenagata 0:e5197e77ab57 869 // Reset OHCI block
joenagata 0:e5197e77ab57 870 LPC_USB->HcControl = 0;
joenagata 0:e5197e77ab57 871 LPC_USB->HcControlHeadED = 0;
joenagata 0:e5197e77ab57 872 LPC_USB->HcBulkHeadED = 0;
joenagata 0:e5197e77ab57 873
joenagata 0:e5197e77ab57 874 LPC_USB->HcCommandStatus = HostControllerReset;
joenagata 0:e5197e77ab57 875 LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
joenagata 0:e5197e77ab57 876 LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
joenagata 0:e5197e77ab57 877
joenagata 0:e5197e77ab57 878 LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) | OperationalMask;
joenagata 0:e5197e77ab57 879 LPC_USB->HcRhStatus = SetGlobalPower;
joenagata 0:e5197e77ab57 880
joenagata 0:e5197e77ab57 881 LPC_USB->HcHCCA = (u32)cca;
joenagata 0:e5197e77ab57 882 LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus;
joenagata 0:e5197e77ab57 883 LPC_USB->HcInterruptEnable = MasterInterruptEnable | WritebackDoneHead | RootHubStatusChange | FrameNumberOverflow;
joenagata 0:e5197e77ab57 884
joenagata 0:e5197e77ab57 885 NVIC_SetPriority(USB_IRQn, 0);
joenagata 0:e5197e77ab57 886 NVIC_EnableIRQ(USB_IRQn);
joenagata 0:e5197e77ab57 887 while (cca->FrameNumber < 10)
joenagata 0:e5197e77ab57 888 ; // 10ms delay before diving in
joenagata 0:e5197e77ab57 889 }
joenagata 0:e5197e77ab57 890 };
joenagata 0:e5197e77ab57 891
joenagata 0:e5197e77ab57 892 //====================================================================================
joenagata 0:e5197e77ab57 893 //====================================================================================
joenagata 0:e5197e77ab57 894 // Host controller instance and Interrupt handler
joenagata 0:e5197e77ab57 895
joenagata 0:e5197e77ab57 896 static HostController _controller __attribute__((at(USB_RAM_BASE)));
joenagata 0:e5197e77ab57 897
joenagata 0:e5197e77ab57 898 extern "C" void USB_IRQHandler(void) __irq;
joenagata 0:e5197e77ab57 899 void USB_IRQHandler (void) __irq
joenagata 0:e5197e77ab57 900 {
joenagata 0:e5197e77ab57 901 u32 int_status = LPC_USB->HcInterruptStatus;
joenagata 0:e5197e77ab57 902
joenagata 0:e5197e77ab57 903 if (int_status & RootHubStatusChange) // Root hub status change
joenagata 0:e5197e77ab57 904 _controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
joenagata 0:e5197e77ab57 905
joenagata 0:e5197e77ab57 906 u32 head = 0;
joenagata 0:e5197e77ab57 907 if (int_status & WritebackDoneHead)
joenagata 0:e5197e77ab57 908 {
joenagata 0:e5197e77ab57 909 head = _controller.CommunicationArea.DoneHead; // Writeback Done
joenagata 0:e5197e77ab57 910 _controller.CommunicationArea.DoneHead = 0;
joenagata 0:e5197e77ab57 911 }
joenagata 0:e5197e77ab57 912 LPC_USB->HcInterruptStatus = int_status;
joenagata 0:e5197e77ab57 913
joenagata 0:e5197e77ab57 914 if (head)
joenagata 0:e5197e77ab57 915 _controller.ProcessDoneQueue(head); // TODO - low bit can be set BUGBUG
joenagata 0:e5197e77ab57 916 }
joenagata 0:e5197e77ab57 917
joenagata 0:e5197e77ab57 918 //====================================================================================
joenagata 0:e5197e77ab57 919 //====================================================================================
joenagata 0:e5197e77ab57 920 // API Methods
joenagata 0:e5197e77ab57 921
joenagata 0:e5197e77ab57 922 void USBInit()
joenagata 0:e5197e77ab57 923 {
joenagata 0:e5197e77ab57 924 return _controller.Init();
joenagata 0:e5197e77ab57 925 }
joenagata 0:e5197e77ab57 926
joenagata 0:e5197e77ab57 927 void USBLoop()
joenagata 0:e5197e77ab57 928 {
joenagata 0:e5197e77ab57 929 return _controller.Loop();
joenagata 0:e5197e77ab57 930 }
joenagata 0:e5197e77ab57 931
joenagata 0:e5197e77ab57 932 u8* USBGetBuffer(u32* len)
joenagata 0:e5197e77ab57 933 {
joenagata 0:e5197e77ab57 934 *len = USB_RAM_SIZE - sizeof(HostController);
joenagata 0:e5197e77ab57 935 return _controller.SRAM;
joenagata 0:e5197e77ab57 936 }
joenagata 0:e5197e77ab57 937
joenagata 0:e5197e77ab57 938 static Setup* GetSetup(int device)
joenagata 0:e5197e77ab57 939 {
joenagata 0:e5197e77ab57 940 if (device == 0)
joenagata 0:e5197e77ab57 941 return &_controller._setupZero;
joenagata 0:e5197e77ab57 942
joenagata 0:e5197e77ab57 943 if (device < 1 || device > MAX_DEVICES)
joenagata 0:e5197e77ab57 944 return 0;
joenagata 0:e5197e77ab57 945 return &_controller.Devices[device-1].SetupBuffer;
joenagata 0:e5197e77ab57 946 }
joenagata 0:e5197e77ab57 947
joenagata 0:e5197e77ab57 948 // Loop until IO on endpoint is complete
joenagata 0:e5197e77ab57 949 static int WaitIODone(Endpoint* endpoint)
joenagata 0:e5197e77ab57 950 {
joenagata 0:e5197e77ab57 951 if (endpoint->CurrentState == Endpoint::NotQueued)
joenagata 0:e5197e77ab57 952 return 0;
joenagata 0:e5197e77ab57 953 while (endpoint->CurrentState != Endpoint::Idle)
joenagata 0:e5197e77ab57 954 USBLoop(); // May generate callbacks, mount or unmount devices etc
joenagata 0:e5197e77ab57 955 int status = endpoint->Status();
joenagata 0:e5197e77ab57 956 if (status == 0)
joenagata 0:e5197e77ab57 957 return endpoint->Length;
joenagata 0:e5197e77ab57 958 return -status;
joenagata 0:e5197e77ab57 959 }
joenagata 0:e5197e77ab57 960
joenagata 0:e5197e77ab57 961 int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
joenagata 0:e5197e77ab57 962 {
joenagata 0:e5197e77ab57 963 Endpoint* endpoint = _controller.GetEndpoint(device,ep);
joenagata 0:e5197e77ab57 964 if (!endpoint)
joenagata 0:e5197e77ab57 965 return ERR_ENDPOINT_NOT_FOUND;
joenagata 0:e5197e77ab57 966
joenagata 0:e5197e77ab57 967 WaitIODone(endpoint);
joenagata 0:e5197e77ab57 968 endpoint->Flags = flags;
joenagata 0:e5197e77ab57 969 endpoint->Data = data;
joenagata 0:e5197e77ab57 970 endpoint->Length = length;
joenagata 0:e5197e77ab57 971 endpoint->Callback = callback;
joenagata 0:e5197e77ab57 972 endpoint->UserData = userData;
joenagata 0:e5197e77ab57 973 if (ep == 0)
joenagata 0:e5197e77ab57 974 _controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
joenagata 0:e5197e77ab57 975 else
joenagata 0:e5197e77ab57 976 _controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
joenagata 0:e5197e77ab57 977 if (callback)
joenagata 0:e5197e77ab57 978 return IO_PENDING;
joenagata 0:e5197e77ab57 979 return WaitIODone(endpoint);
joenagata 0:e5197e77ab57 980 }
joenagata 0:e5197e77ab57 981
joenagata 0:e5197e77ab57 982 int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
joenagata 0:e5197e77ab57 983 {
joenagata 0:e5197e77ab57 984 Setup* setup = GetSetup(device);
joenagata 0:e5197e77ab57 985 if (!setup)
joenagata 0:e5197e77ab57 986 return ERR_DEVICE_NOT_FOUND;
joenagata 0:e5197e77ab57 987
joenagata 0:e5197e77ab57 988 // Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
joenagata 0:e5197e77ab57 989 WaitIODone(_controller.GetEndpoint(device,0));
joenagata 0:e5197e77ab57 990
joenagata 0:e5197e77ab57 991 setup->bm_request_type = request_type;
joenagata 0:e5197e77ab57 992 setup->b_request = request;
joenagata 0:e5197e77ab57 993 setup->w_value = value;
joenagata 0:e5197e77ab57 994 setup->w_index = index;
joenagata 0:e5197e77ab57 995 setup->w_length = length;
joenagata 0:e5197e77ab57 996 return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
joenagata 0:e5197e77ab57 997 }
joenagata 0:e5197e77ab57 998
joenagata 0:e5197e77ab57 999 int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
joenagata 0:e5197e77ab57 1000 {
joenagata 0:e5197e77ab57 1001 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_INTERRUPT,data,length,callback,userData);
joenagata 0:e5197e77ab57 1002 }
joenagata 0:e5197e77ab57 1003
joenagata 0:e5197e77ab57 1004 int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
joenagata 0:e5197e77ab57 1005 {
joenagata 0:e5197e77ab57 1006 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_BULK,data,length,callback,userData);
joenagata 0:e5197e77ab57 1007 }
joenagata 0:e5197e77ab57 1008
joenagata 0:e5197e77ab57 1009 int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
joenagata 0:e5197e77ab57 1010 {
joenagata 0:e5197e77ab57 1011 return USBControlTransfer(device,DEVICE_TO_HOST | RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)|(descIndex), 0, data, length, 0);
joenagata 0:e5197e77ab57 1012 }
joenagata 0:e5197e77ab57 1013
joenagata 0:e5197e77ab57 1014 int GetString(int device, int index, char* dst, int length)
joenagata 0:e5197e77ab57 1015 {
joenagata 0:e5197e77ab57 1016 u8 buffer[255];
joenagata 0:e5197e77ab57 1017 int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
joenagata 0:e5197e77ab57 1018 if (le < 0)
joenagata 0:e5197e77ab57 1019 return le;
joenagata 0:e5197e77ab57 1020 if (length < 1)
joenagata 0:e5197e77ab57 1021 return -1;
joenagata 0:e5197e77ab57 1022 length <<= 1;
joenagata 0:e5197e77ab57 1023 if (le > length)
joenagata 0:e5197e77ab57 1024 le = length;
joenagata 0:e5197e77ab57 1025 for (int j = 2; j < le; j += 2)
joenagata 0:e5197e77ab57 1026 *dst++ = buffer[j];
joenagata 0:e5197e77ab57 1027 *dst = 0;
joenagata 0:e5197e77ab57 1028 return (le>>1)-1;
joenagata 0:e5197e77ab57 1029 }
joenagata 0:e5197e77ab57 1030
joenagata 0:e5197e77ab57 1031 int SetAddress(int device, int new_addr)
joenagata 0:e5197e77ab57 1032 {
joenagata 0:e5197e77ab57 1033 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
joenagata 0:e5197e77ab57 1034 }
joenagata 0:e5197e77ab57 1035
joenagata 0:e5197e77ab57 1036 int SetConfiguration(int device, int configNum)
joenagata 0:e5197e77ab57 1037 {
joenagata 0:e5197e77ab57 1038 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
joenagata 0:e5197e77ab57 1039 }
joenagata 0:e5197e77ab57 1040
joenagata 0:e5197e77ab57 1041 int SetInterface(int device, int ifNum, int altNum)
joenagata 0:e5197e77ab57 1042 {
joenagata 0:e5197e77ab57 1043 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
joenagata 0:e5197e77ab57 1044 }
joenagata 0:e5197e77ab57 1045
joenagata 0:e5197e77ab57 1046 // HUB stuff
joenagata 0:e5197e77ab57 1047 int SetPortFeature(int device, int feature, int index)
joenagata 0:e5197e77ab57 1048 {
joenagata 0:e5197e77ab57 1049 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
joenagata 0:e5197e77ab57 1050 }
joenagata 0:e5197e77ab57 1051
joenagata 0:e5197e77ab57 1052 int ClearPortFeature(int device, int feature, int index)
joenagata 0:e5197e77ab57 1053 {
joenagata 0:e5197e77ab57 1054 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
joenagata 0:e5197e77ab57 1055 }
joenagata 0:e5197e77ab57 1056
joenagata 0:e5197e77ab57 1057 int SetPortPower(int device, int port)
joenagata 0:e5197e77ab57 1058 {
joenagata 0:e5197e77ab57 1059 int r = SetPortFeature(device,PORT_POWER,port);
joenagata 0:e5197e77ab57 1060 _controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
joenagata 0:e5197e77ab57 1061 return r;
joenagata 0:e5197e77ab57 1062 }
joenagata 0:e5197e77ab57 1063
joenagata 0:e5197e77ab57 1064 int SetPortReset(int device, int port)
joenagata 0:e5197e77ab57 1065 {
joenagata 0:e5197e77ab57 1066 return SetPortFeature(device,PORT_RESET,port);
joenagata 0:e5197e77ab57 1067 }
joenagata 0:e5197e77ab57 1068
joenagata 0:e5197e77ab57 1069 int GetPortStatus(int device, int port, u32* status)
joenagata 0:e5197e77ab57 1070 {
joenagata 0:e5197e77ab57 1071 return USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
joenagata 0:e5197e77ab57 1072 }