Birdy YAP / Birdy_BlueWIi

Dependents:   Test_Wiimote

USBHost.cpp@3:37e5ebd509ea, 2011-12-17 (annotated)

Committer:
bediyap
Date:
Sat Dec 17 06:59:19 2011 +0000
Revision:
3:37e5ebd509ea
Parent:
2:5c2bfbd63297 
disable serial

todo:

auto detect wii disconnection due to battery failure ...

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bediyap 0:f6f434d9a03a 1
bediyap 0:f6f434d9a03a 2 /*
bediyap 0:f6f434d9a03a 3 Copyright (c) 2010 Peter Barrett
bediyap 0:f6f434d9a03a 4
bediyap 0:f6f434d9a03a 5 Permission is hereby granted, free of charge, to any person obtaining a copy
bediyap 0:f6f434d9a03a 6 of this software and associated documentation files (the "Software"), to deal
bediyap 0:f6f434d9a03a 7 in the Software without restriction, including without limitation the rights
bediyap 0:f6f434d9a03a 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
bediyap 0:f6f434d9a03a 9 copies of the Software, and to permit persons to whom the Software is
bediyap 0:f6f434d9a03a 10 furnished to do so, subject to the following conditions:
bediyap 0:f6f434d9a03a 11
bediyap 0:f6f434d9a03a 12 The above copyright notice and this permission notice shall be included in
bediyap 0:f6f434d9a03a 13 all copies or substantial portions of the Software.
bediyap 0:f6f434d9a03a 14
bediyap 0:f6f434d9a03a 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
bediyap 0:f6f434d9a03a 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
bediyap 0:f6f434d9a03a 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
bediyap 0:f6f434d9a03a 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
bediyap 0:f6f434d9a03a 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
bediyap 0:f6f434d9a03a 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
bediyap 0:f6f434d9a03a 21 THE SOFTWARE.
bediyap 0:f6f434d9a03a 22 */
bediyap 0:f6f434d9a03a 23
bediyap 0:f6f434d9a03a 24 #include "mbed.h"
bediyap 0:f6f434d9a03a 25 #include "USBHost.h"
bediyap 0:f6f434d9a03a 26
bediyap 0:f6f434d9a03a 27 // Config (default uses x bytes)
bediyap 0:f6f434d9a03a 28 #define MAX_DEVICES 8 // Max number of devices
bediyap 0:f6f434d9a03a 29 #define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
bediyap 0:f6f434d9a03a 30 #define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
bediyap 0:f6f434d9a03a 31
bediyap 0:f6f434d9a03a 32 #define USBLOG 1
bediyap 0:f6f434d9a03a 33 #if USBLOG
bediyap 0:f6f434d9a03a 34 #define LOG(...) printf(__VA_ARGS__)
bediyap 0:f6f434d9a03a 35 #else
bediyap 0:f6f434d9a03a 36 #define LOG(...) do {} while(0)
bediyap 0:f6f434d9a03a 37 #endif
bediyap 0:f6f434d9a03a 38
bediyap 0:f6f434d9a03a 39 // USB host structures
bediyap 0:f6f434d9a03a 40
bediyap 0:f6f434d9a03a 41 #define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
bediyap 0:f6f434d9a03a 42 #define USB_RAM_BASE 0x2007C000
bediyap 0:f6f434d9a03a 43
bediyap 0:f6f434d9a03a 44 #define TOKEN_SETUP 0
bediyap 0:f6f434d9a03a 45 #define TOKEN_IN 1
bediyap 0:f6f434d9a03a 46 #define TOKEN_OUT 2
bediyap 0:f6f434d9a03a 47
bediyap 0:f6f434d9a03a 48 // Status flags from hub
bediyap 0:f6f434d9a03a 49 #define PORT_CONNECTION 0
bediyap 0:f6f434d9a03a 50 #define PORT_ENABLE 1
bediyap 0:f6f434d9a03a 51 #define PORT_SUSPEND 2
bediyap 0:f6f434d9a03a 52 #define PORT_OVER_CURRENT 3
bediyap 0:f6f434d9a03a 53 #define PORT_RESET 4
bediyap 0:f6f434d9a03a 54 #define PORT_POWER 8
bediyap 0:f6f434d9a03a 55 #define PORT_LOW_SPEED 9
bediyap 0:f6f434d9a03a 56
bediyap 0:f6f434d9a03a 57 #define C_PORT_CONNECTION 16
bediyap 0:f6f434d9a03a 58 #define C_PORT_ENABLE 17
bediyap 0:f6f434d9a03a 59 #define C_PORT_SUSPEND 18
bediyap 0:f6f434d9a03a 60 #define C_PORT_OVER_CURRENT 19
bediyap 0:f6f434d9a03a 61 #define C_PORT_RESET 20
bediyap 0:f6f434d9a03a 62
bediyap 0:f6f434d9a03a 63 typedef struct {
bediyap 0:f6f434d9a03a 64 u8 bm_request_type;
bediyap 0:f6f434d9a03a 65 u8 b_request;
bediyap 0:f6f434d9a03a 66 u16 w_value;
bediyap 0:f6f434d9a03a 67 u16 w_index;
bediyap 0:f6f434d9a03a 68 u16 w_length;
bediyap 0:f6f434d9a03a 69 } Setup;
bediyap 0:f6f434d9a03a 70
bediyap 0:f6f434d9a03a 71
bediyap 0:f6f434d9a03a 72 // Hub stuff is kept private just to keep api simple
bediyap 0:f6f434d9a03a 73 int SetPortFeature(int device, int feature, int index);
bediyap 0:f6f434d9a03a 74 int ClearPortFeature(int device, int feature, int index);
bediyap 0:f6f434d9a03a 75 int SetPortPower(int device, int port);
bediyap 0:f6f434d9a03a 76 int SetPortReset(int device, int port);
bediyap 0:f6f434d9a03a 77 int GetPortStatus(int device, int port, u32* status);
bediyap 0:f6f434d9a03a 78
bediyap 0:f6f434d9a03a 79 //===================================================================
bediyap 0:f6f434d9a03a 80 //===================================================================
bediyap 0:f6f434d9a03a 81 // Hardware defines
bediyap 0:f6f434d9a03a 82
bediyap 0:f6f434d9a03a 83 // HcControl
bediyap 0:f6f434d9a03a 84 #define PeriodicListEnable 0x00000004
bediyap 0:f6f434d9a03a 85 #define IsochronousEnable 0x00000008
bediyap 0:f6f434d9a03a 86 #define ControlListEnable 0x00000010
bediyap 0:f6f434d9a03a 87 #define BulkListEnable 0x00000020
bediyap 0:f6f434d9a03a 88 #define OperationalMask 0x00000080
bediyap 0:f6f434d9a03a 89 #define HostControllerFunctionalState 0x000000C0
bediyap 0:f6f434d9a03a 90
bediyap 0:f6f434d9a03a 91 // HcCommandStatus
bediyap 0:f6f434d9a03a 92 #define HostControllerReset 0x00000001
bediyap 0:f6f434d9a03a 93 #define ControlListFilled 0x00000002
bediyap 0:f6f434d9a03a 94 #define BulkListFilled 0x00000004
bediyap 0:f6f434d9a03a 95
bediyap 0:f6f434d9a03a 96 // HcInterruptStatus Register
bediyap 0:f6f434d9a03a 97 #define WritebackDoneHead 0x00000002
bediyap 0:f6f434d9a03a 98 #define StartofFrame 0x00000004
bediyap 0:f6f434d9a03a 99 #define ResumeDetected 0x00000008
bediyap 0:f6f434d9a03a 100 #define UnrecoverableError 0x00000010
bediyap 0:f6f434d9a03a 101 #define FrameNumberOverflow 0x00000020
bediyap 0:f6f434d9a03a 102 #define RootHubStatusChange 0x00000040
bediyap 0:f6f434d9a03a 103 #define OwnershipChange 0x00000080
bediyap 0:f6f434d9a03a 104 #define MasterInterruptEnable 0x80000000
bediyap 0:f6f434d9a03a 105
bediyap 0:f6f434d9a03a 106 // HcRhStatus
bediyap 0:f6f434d9a03a 107 #define SetGlobalPower 0x00010000
bediyap 0:f6f434d9a03a 108 #define DeviceRemoteWakeupEnable 0x00008000
bediyap 0:f6f434d9a03a 109
bediyap 0:f6f434d9a03a 110 // HcRhPortStatus (hub 0, port 1)
bediyap 0:f6f434d9a03a 111 #define CurrentConnectStatus 0x00000001
bediyap 0:f6f434d9a03a 112 #define PortEnableStatus 0x00000002
bediyap 0:f6f434d9a03a 113 #define PortSuspendStatus 0x00000004
bediyap 0:f6f434d9a03a 114 #define PortOverCurrentIndicator 0x00000008
bediyap 0:f6f434d9a03a 115 #define PortResetStatus 0x00000010
bediyap 0:f6f434d9a03a 116
bediyap 0:f6f434d9a03a 117 #define PortPowerStatus 0x00000100
bediyap 0:f6f434d9a03a 118 #define LowspeedDevice 0x00000200
bediyap 0:f6f434d9a03a 119 #define HighspeedDevice 0x00000400
bediyap 0:f6f434d9a03a 120
bediyap 0:f6f434d9a03a 121 #define ConnectStatusChange (CurrentConnectStatus << 16)
bediyap 0:f6f434d9a03a 122 #define PortResetStatusChange (PortResetStatus << 16)
bediyap 0:f6f434d9a03a 123
bediyap 0:f6f434d9a03a 124
bediyap 0:f6f434d9a03a 125 #define TD_ROUNDING (u32)0x00040000
bediyap 0:f6f434d9a03a 126 #define TD_SETUP (u32)0x00000000
bediyap 0:f6f434d9a03a 127 #define TD_IN (u32)0x00100000
bediyap 0:f6f434d9a03a 128 #define TD_OUT (u32)0x00080000
bediyap 0:f6f434d9a03a 129 #define TD_DELAY_INT(x) (u32)((x) << 21)
bediyap 0:f6f434d9a03a 130 #define TD_TOGGLE_0 (u32)0x02000000
bediyap 0:f6f434d9a03a 131 #define TD_TOGGLE_1 (u32)0x03000000
bediyap 0:f6f434d9a03a 132 #define TD_CC (u32)0xF0000000
bediyap 0:f6f434d9a03a 133
bediyap 0:f6f434d9a03a 134 // HostController EndPoint Descriptor
bediyap 0:f6f434d9a03a 135 typedef struct {
bediyap 0:f6f434d9a03a 136 volatile u32 Control;
bediyap 0:f6f434d9a03a 137 volatile u32 TailTd;
bediyap 0:f6f434d9a03a 138 volatile u32 HeadTd;
bediyap 0:f6f434d9a03a 139 volatile u32 Next;
bediyap 0:f6f434d9a03a 140 } HCED;
bediyap 0:f6f434d9a03a 141
bediyap 0:f6f434d9a03a 142 // HostController Transfer Descriptor
bediyap 0:f6f434d9a03a 143 typedef struct {
bediyap 0:f6f434d9a03a 144 volatile u32 Control;
bediyap 0:f6f434d9a03a 145 volatile u32 CurrBufPtr;
bediyap 0:f6f434d9a03a 146 volatile u32 Next;
bediyap 0:f6f434d9a03a 147 volatile u32 BufEnd;
bediyap 0:f6f434d9a03a 148 } HCTD;
bediyap 0:f6f434d9a03a 149
bediyap 0:f6f434d9a03a 150 // Host Controller Communication Area
bediyap 0:f6f434d9a03a 151 typedef struct {
bediyap 0:f6f434d9a03a 152 volatile u32 InterruptTable[32];
bediyap 0:f6f434d9a03a 153 volatile u16 FrameNumber;
bediyap 0:f6f434d9a03a 154 volatile u16 FrameNumberPad;
bediyap 0:f6f434d9a03a 155 volatile u32 DoneHead;
bediyap 0:f6f434d9a03a 156 volatile u8 Reserved[120];
bediyap 0:f6f434d9a03a 157 } HCCA;
bediyap 0:f6f434d9a03a 158
bediyap 0:f6f434d9a03a 159 //====================================================================================
bediyap 0:f6f434d9a03a 160 //====================================================================================
bediyap 0:f6f434d9a03a 161
bediyap 0:f6f434d9a03a 162 class HostController;
bediyap 0:f6f434d9a03a 163 class Endpoint;
bediyap 0:f6f434d9a03a 164 class Device;
bediyap 0:f6f434d9a03a 165
bediyap 0:f6f434d9a03a 166 // must be 3*16 bytes long
bediyap 0:f6f434d9a03a 167 class Endpoint
bediyap 0:f6f434d9a03a 168 {
bediyap 0:f6f434d9a03a 169 public:
bediyap 0:f6f434d9a03a 170 HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
bediyap 0:f6f434d9a03a 171 HCTD TDHead;
bediyap 0:f6f434d9a03a 172
bediyap 0:f6f434d9a03a 173 enum State
bediyap 0:f6f434d9a03a 174 {
bediyap 0:f6f434d9a03a 175 Free,
bediyap 0:f6f434d9a03a 176 NotQueued,
bediyap 0:f6f434d9a03a 177 Idle,
bediyap 0:f6f434d9a03a 178 SetupQueued,
bediyap 0:f6f434d9a03a 179 DataQueued,
bediyap 0:f6f434d9a03a 180 StatusQueued,
bediyap 0:f6f434d9a03a 181 CallbackPending
bediyap 0:f6f434d9a03a 182 };
bediyap 0:f6f434d9a03a 183
bediyap 0:f6f434d9a03a 184 volatile u8 CurrentState;
bediyap 0:f6f434d9a03a 185 u8 Flags; // 0x80 In, 0x03 mask endpoint type
bediyap 0:f6f434d9a03a 186
bediyap 0:f6f434d9a03a 187 u16 Length;
bediyap 0:f6f434d9a03a 188 u8* Data;
bediyap 0:f6f434d9a03a 189 USBCallback Callback; // Must be a multiple of 16 bytes long
bediyap 0:f6f434d9a03a 190 void* UserData;
bediyap 0:f6f434d9a03a 191
bediyap 0:f6f434d9a03a 192 int Address()
bediyap 0:f6f434d9a03a 193 {
bediyap 0:f6f434d9a03a 194 int ep = (EndpointDescriptor.Control >> 7) & 0xF;
bediyap 0:f6f434d9a03a 195 if (ep)
bediyap 0:f6f434d9a03a 196 ep |= Flags & 0x80;
bediyap 0:f6f434d9a03a 197 return ep;
bediyap 0:f6f434d9a03a 198 }
bediyap 0:f6f434d9a03a 199
bediyap 0:f6f434d9a03a 200 int Device()
bediyap 0:f6f434d9a03a 201 {
bediyap 0:f6f434d9a03a 202 return EndpointDescriptor.Control & 0x7F;
bediyap 0:f6f434d9a03a 203 }
bediyap 0:f6f434d9a03a 204
bediyap 0:f6f434d9a03a 205 int Status()
bediyap 0:f6f434d9a03a 206 {
bediyap 0:f6f434d9a03a 207 return (TDHead.Control >> 28) & 0xF;
bediyap 0:f6f434d9a03a 208 }
bediyap 0:f6f434d9a03a 209
bediyap 0:f6f434d9a03a 210 u32 Enqueue(u32 head)
bediyap 0:f6f434d9a03a 211 {
bediyap 0:f6f434d9a03a 212 if (CurrentState == NotQueued)
bediyap 0:f6f434d9a03a 213 {
bediyap 0:f6f434d9a03a 214 EndpointDescriptor.Next = head;
bediyap 0:f6f434d9a03a 215 head = (u32)&EndpointDescriptor;
bediyap 0:f6f434d9a03a 216 CurrentState = Idle;
bediyap 0:f6f434d9a03a 217 }
bediyap 0:f6f434d9a03a 218 return head;
bediyap 0:f6f434d9a03a 219 }
bediyap 0:f6f434d9a03a 220 };
bediyap 0:f6f434d9a03a 221
bediyap 0:f6f434d9a03a 222 class Device
bediyap 0:f6f434d9a03a 223 {
bediyap 0:f6f434d9a03a 224 public:
bediyap 0:f6f434d9a03a 225 u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
bediyap 0:f6f434d9a03a 226 u8 Hub;
bediyap 0:f6f434d9a03a 227 u8 Port;
bediyap 0:f6f434d9a03a 228 u8 Addr;
bediyap 0:f6f434d9a03a 229 u8 Pad;
bediyap 0:f6f434d9a03a 230
bediyap 0:f6f434d9a03a 231 // Only if this device is a hub
bediyap 0:f6f434d9a03a 232 u8 HubPortCount; // nonzero if this is a hub
bediyap 0:f6f434d9a03a 233 u8 HubInterruptData;
bediyap 0:f6f434d9a03a 234 u8 HubMap;
bediyap 0:f6f434d9a03a 235 u8 HubMask;
bediyap 0:f6f434d9a03a 236
bediyap 0:f6f434d9a03a 237 int Flags; // 1 = Disconnected
bediyap 0:f6f434d9a03a 238
bediyap 0:f6f434d9a03a 239 Setup SetupBuffer;
bediyap 0:f6f434d9a03a 240
bediyap 0:f6f434d9a03a 241 // Allocate endpoint zero
bediyap 0:f6f434d9a03a 242 int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
bediyap 0:f6f434d9a03a 243 {
bediyap 0:f6f434d9a03a 244 Hub = hub;
bediyap 0:f6f434d9a03a 245 Port = port;
bediyap 0:f6f434d9a03a 246 Addr = addr;
bediyap 0:f6f434d9a03a 247 Flags = lowSpeed;
bediyap 0:f6f434d9a03a 248 memset(_endpointMap,0xFF,sizeof(_endpointMap));
bediyap 0:f6f434d9a03a 249 return 0;
bediyap 0:f6f434d9a03a 250 }
bediyap 0:f6f434d9a03a 251
bediyap 0:f6f434d9a03a 252 int SetEndpointIndex(int ep, int endpointIndex)
bediyap 0:f6f434d9a03a 253 {
bediyap 0:f6f434d9a03a 254 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
bediyap 0:f6f434d9a03a 255 {
bediyap 0:f6f434d9a03a 256 if (_endpointMap[i] == 0xFF) // Add endpoint to map
bediyap 0:f6f434d9a03a 257 {
bediyap 0:f6f434d9a03a 258 _endpointMap[i] = ep;
bediyap 0:f6f434d9a03a 259 _endpointMap[i+1] = endpointIndex;
bediyap 0:f6f434d9a03a 260 return 0;
bediyap 0:f6f434d9a03a 261 }
bediyap 0:f6f434d9a03a 262 }
bediyap 0:f6f434d9a03a 263 return ERR_ENDPOINT_NONE_LEFT;
bediyap 0:f6f434d9a03a 264 }
bediyap 0:f6f434d9a03a 265
bediyap 0:f6f434d9a03a 266 int GetEndpointIndex(int ep)
bediyap 0:f6f434d9a03a 267 {
bediyap 0:f6f434d9a03a 268 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
bediyap 0:f6f434d9a03a 269 {
bediyap 0:f6f434d9a03a 270 if (_endpointMap[i] == ep)
bediyap 0:f6f434d9a03a 271 return _endpointMap[i+1];
bediyap 0:f6f434d9a03a 272 if (_endpointMap[i] == 0xFF)
bediyap 0:f6f434d9a03a 273 break;
bediyap 0:f6f434d9a03a 274 }
bediyap 0:f6f434d9a03a 275 return -1;
bediyap 0:f6f434d9a03a 276 }
bediyap 0:f6f434d9a03a 277 };
bediyap 0:f6f434d9a03a 278
bediyap 0:f6f434d9a03a 279 class HostController
bediyap 0:f6f434d9a03a 280 {
bediyap 0:f6f434d9a03a 281 public:
bediyap 0:f6f434d9a03a 282 HCCA CommunicationArea;
bediyap 0:f6f434d9a03a 283 Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
bediyap 0:f6f434d9a03a 284
bediyap 0:f6f434d9a03a 285 Endpoint EndpointZero; // For device enumeration
bediyap 0:f6f434d9a03a 286 HCTD _commonTail;
bediyap 0:f6f434d9a03a 287 Setup _setupZero;
bediyap 0:f6f434d9a03a 288
bediyap 0:f6f434d9a03a 289 Device Devices[MAX_DEVICES];
bediyap 0:f6f434d9a03a 290 u32 _frameNumber; // 32 bit ms counter
bediyap 0:f6f434d9a03a 291
bediyap 0:f6f434d9a03a 292 u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
bediyap 0:f6f434d9a03a 293 u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
bediyap 0:f6f434d9a03a 294 u8 _unused0;
bediyap 0:f6f434d9a03a 295 u8 _unused1;
bediyap 0:f6f434d9a03a 296
bediyap 0:f6f434d9a03a 297 u8 _connectPending; // Reset has initiated a connect
bediyap 0:f6f434d9a03a 298 u8 _connectCountdown; // Number of ms left after reset before we can connect
bediyap 0:f6f434d9a03a 299 u8 _connectHub; // Will connect on this hub
bediyap 0:f6f434d9a03a 300 u8 _connectPort; // ... and this port
bediyap 0:f6f434d9a03a 301
bediyap 0:f6f434d9a03a 302 u8 SRAM[0]; // Start of free SRAM
bediyap 0:f6f434d9a03a 303
bediyap 0:f6f434d9a03a 304 void Loop()
bediyap 0:f6f434d9a03a 305 {
bediyap 0:f6f434d9a03a 306 u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
bediyap 0:f6f434d9a03a 307 _frameNumber += elapsed;
bediyap 0:f6f434d9a03a 308
bediyap 0:f6f434d9a03a 309 // Do callbacks, if any
bediyap 0:f6f434d9a03a 310 while (_callbacksPending)
bediyap 0:f6f434d9a03a 311 {
bediyap 0:f6f434d9a03a 312 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
bediyap 0:f6f434d9a03a 313 {
bediyap 0:f6f434d9a03a 314 Endpoint* endpoint = Endpoints + i;
bediyap 0:f6f434d9a03a 315 if (endpoint->CurrentState == Endpoint::CallbackPending)
bediyap 0:f6f434d9a03a 316 {
bediyap 0:f6f434d9a03a 317 _callbacksPending--;
bediyap 0:f6f434d9a03a 318 endpoint->CurrentState = Endpoint::Idle;
bediyap 0:f6f434d9a03a 319 endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
bediyap 0:f6f434d9a03a 320 }
bediyap 0:f6f434d9a03a 321 }
bediyap 0:f6f434d9a03a 322 }
bediyap 0:f6f434d9a03a 323
bediyap 0:f6f434d9a03a 324 // Deal with changes on the root hub
bediyap 0:f6f434d9a03a 325 if (_rootHubStatusChange)
bediyap 0:f6f434d9a03a 326 {
bediyap 0:f6f434d9a03a 327 u32 status = LPC_USB->HcRhPortStatus1;
bediyap 0:f6f434d9a03a 328 _rootHubStatusChange = 0;
bediyap 0:f6f434d9a03a 329 if (status >> 16)
bediyap 0:f6f434d9a03a 330 {
bediyap 0:f6f434d9a03a 331 HubStatusChange(0,1,status);
bediyap 0:f6f434d9a03a 332 LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
bediyap 0:f6f434d9a03a 333 }
bediyap 0:f6f434d9a03a 334 }
bediyap 0:f6f434d9a03a 335
bediyap 0:f6f434d9a03a 336 // Connect after reset timeout
bediyap 0:f6f434d9a03a 337 if (_connectCountdown)
bediyap 0:f6f434d9a03a 338 {
bediyap 0:f6f434d9a03a 339 if (elapsed >= _connectCountdown)
bediyap 0:f6f434d9a03a 340 {
bediyap 0:f6f434d9a03a 341 _connectCountdown = 0;
bediyap 0:f6f434d9a03a 342 Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
bediyap 0:f6f434d9a03a 343 } else
bediyap 0:f6f434d9a03a 344 _connectCountdown -= elapsed;
bediyap 0:f6f434d9a03a 345 }
bediyap 0:f6f434d9a03a 346 }
bediyap 0:f6f434d9a03a 347
bediyap 0:f6f434d9a03a 348 // HubInterrupt - bitmap in dev->HubInterruptData
bediyap 0:f6f434d9a03a 349 void HubInterrupt(int device)
bediyap 0:f6f434d9a03a 350 {
bediyap 0:f6f434d9a03a 351 Device* dev = &Devices[device-1];
bediyap 0:f6f434d9a03a 352 for (int i = 0; i < dev->HubPortCount; i++)
bediyap 0:f6f434d9a03a 353 {
bediyap 0:f6f434d9a03a 354 int port = i+1;
bediyap 0:f6f434d9a03a 355 if (dev->HubInterruptData & (1 << port))
bediyap 0:f6f434d9a03a 356 {
bediyap 0:f6f434d9a03a 357 u32 status = 0;
bediyap 0:f6f434d9a03a 358 GetPortStatus(device,port,&status);
bediyap 0:f6f434d9a03a 359 if (status >> 16)
bediyap 0:f6f434d9a03a 360 {
bediyap 0:f6f434d9a03a 361 if (_connectPending && (status & ConnectStatusChange))
bediyap 0:f6f434d9a03a 362 continue; // Don't connect again until previous device has been added and addressed
bediyap 0:f6f434d9a03a 363
bediyap 0:f6f434d9a03a 364 HubStatusChange(device,port,status);
bediyap 0:f6f434d9a03a 365 if (status & ConnectStatusChange)
bediyap 0:f6f434d9a03a 366 ClearPortFeature(device,C_PORT_CONNECTION,port);
bediyap 0:f6f434d9a03a 367 if (status & PortResetStatusChange)
bediyap 0:f6f434d9a03a 368 ClearPortFeature(device,C_PORT_RESET,port);
bediyap 0:f6f434d9a03a 369 }
bediyap 0:f6f434d9a03a 370 }
bediyap 0:f6f434d9a03a 371 }
bediyap 0:f6f434d9a03a 372 }
bediyap 0:f6f434d9a03a 373
bediyap 0:f6f434d9a03a 374 static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
bediyap 0:f6f434d9a03a 375 {
bediyap 0:f6f434d9a03a 376 HostController* controller = (HostController*)userData;
bediyap 0:f6f434d9a03a 377 if (status == 0)
bediyap 0:f6f434d9a03a 378 controller->HubInterrupt(device);
bediyap 0:f6f434d9a03a 379 USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
bediyap 0:f6f434d9a03a 380 }
bediyap 0:f6f434d9a03a 381
bediyap 0:f6f434d9a03a 382 int InitHub(int device)
bediyap 0:f6f434d9a03a 383 {
bediyap 0:f6f434d9a03a 384 u8 buf[16];
bediyap 0:f6f434d9a03a 385 int r= USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
bediyap 0:f6f434d9a03a 386 if (r < 0)
bediyap 0:f6f434d9a03a 387 return ERR_HUB_INIT_FAILED;
bediyap 0:f6f434d9a03a 388
bediyap 0:f6f434d9a03a 389 // turn on power on the hubs ports
bediyap 0:f6f434d9a03a 390 Device* dev = &Devices[device-1];
bediyap 0:f6f434d9a03a 391 int ports = buf[2];
bediyap 0:f6f434d9a03a 392 dev->HubPortCount = ports;
bediyap 0:f6f434d9a03a 393 for (int i = 0; i < ports; i++)
bediyap 0:f6f434d9a03a 394 SetPortPower(device,i+1);
bediyap 0:f6f434d9a03a 395
bediyap 0:f6f434d9a03a 396 // Enable hub change interrupts
bediyap 0:f6f434d9a03a 397 return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
bediyap 0:f6f434d9a03a 398 }
bediyap 0:f6f434d9a03a 399
bediyap 0:f6f434d9a03a 400 int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
bediyap 0:f6f434d9a03a 401 {
bediyap 2:5c2bfbd63297 402 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 403 LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\n",device,ep,attributes,maxPacketSize,interval);
bediyap 2:5c2bfbd63297 404 #endif
bediyap 0:f6f434d9a03a 405 Device* dev = &Devices[device-1];
bediyap 0:f6f434d9a03a 406 Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
bediyap 0:f6f434d9a03a 407 if (!endpoint)
bediyap 0:f6f434d9a03a 408 return ERR_ENDPOINT_NONE_LEFT;
bediyap 0:f6f434d9a03a 409 dev->SetEndpointIndex(ep,endpoint - Endpoints);
bediyap 0:f6f434d9a03a 410 endpoint->EndpointDescriptor.Control |= dev->Flags; // Map in slow speed
bediyap 0:f6f434d9a03a 411 return 0; // TODO ed->bInterval
bediyap 0:f6f434d9a03a 412 }
bediyap 0:f6f434d9a03a 413
bediyap 0:f6f434d9a03a 414 int AddEndpoint(int device, EndpointDescriptor* ed)
bediyap 0:f6f434d9a03a 415 {
bediyap 0:f6f434d9a03a 416 return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
bediyap 0:f6f434d9a03a 417 }
bediyap 0:f6f434d9a03a 418
bediyap 0:f6f434d9a03a 419 // allocate a endpoint
bediyap 0:f6f434d9a03a 420 Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
bediyap 0:f6f434d9a03a 421 {
bediyap 0:f6f434d9a03a 422 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
bediyap 0:f6f434d9a03a 423 {
bediyap 0:f6f434d9a03a 424 Endpoint* ep = &Endpoints[i];
bediyap 0:f6f434d9a03a 425 if (ep->CurrentState == 0)
bediyap 0:f6f434d9a03a 426 {
bediyap 0:f6f434d9a03a 427 //LOG("Allocated endpoint %d to %02X:%02X\n",i,device,endpointAddress);
bediyap 0:f6f434d9a03a 428 ep->Flags = (endpointAddress & 0x80) | (type & 3);
bediyap 0:f6f434d9a03a 429 ep->CurrentState = Endpoint::NotQueued;
bediyap 0:f6f434d9a03a 430 ep->EndpointDescriptor.Control = (maxPacketSize << 16) | ((endpointAddress & 0x7F) << 7) | device;
bediyap 0:f6f434d9a03a 431 return ep;
bediyap 0:f6f434d9a03a 432 }
bediyap 0:f6f434d9a03a 433 }
bediyap 0:f6f434d9a03a 434 return 0;
bediyap 0:f6f434d9a03a 435 }
bediyap 0:f6f434d9a03a 436
bediyap 0:f6f434d9a03a 437 Endpoint* GetEndpoint(int device, int ep)
bediyap 0:f6f434d9a03a 438 {
bediyap 0:f6f434d9a03a 439 if (device == 0)
bediyap 0:f6f434d9a03a 440 {
bediyap 0:f6f434d9a03a 441 //printf("WARNING: USING DEVICE 0\n");
bediyap 0:f6f434d9a03a 442 return &EndpointZero;
bediyap 0:f6f434d9a03a 443 }
bediyap 0:f6f434d9a03a 444 if (device > MAX_DEVICES)
bediyap 0:f6f434d9a03a 445 return 0;
bediyap 0:f6f434d9a03a 446 int i = Devices[device-1].GetEndpointIndex(ep);
bediyap 0:f6f434d9a03a 447 if (i == -1)
bediyap 0:f6f434d9a03a 448 return 0;
bediyap 0:f6f434d9a03a 449 return Endpoints + i;
bediyap 0:f6f434d9a03a 450 }
bediyap 0:f6f434d9a03a 451
bediyap 0:f6f434d9a03a 452 int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
bediyap 0:f6f434d9a03a 453 {
bediyap 0:f6f434d9a03a 454 //LOG("Transfer %02X T:%d Len:%d S:%d\n",endpoint->Address(),token,len,state);
bediyap 0:f6f434d9a03a 455
bediyap 0:f6f434d9a03a 456 int toggle = 0;
bediyap 0:f6f434d9a03a 457 if (endpoint->Address() == 0)
bediyap 0:f6f434d9a03a 458 toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
bediyap 0:f6f434d9a03a 459
bediyap 0:f6f434d9a03a 460 if (token != TOKEN_SETUP)
bediyap 0:f6f434d9a03a 461 token = (token == TOKEN_IN ? TD_IN : TD_OUT);
bediyap 0:f6f434d9a03a 462
bediyap 0:f6f434d9a03a 463 HCTD* head = &endpoint->TDHead;
bediyap 0:f6f434d9a03a 464 HCTD* tail = &_commonTail;
bediyap 0:f6f434d9a03a 465
bediyap 0:f6f434d9a03a 466 head->Control = TD_ROUNDING | token | TD_DELAY_INT(0) | toggle | TD_CC;
bediyap 0:f6f434d9a03a 467 head->CurrBufPtr = (u32)data;
bediyap 0:f6f434d9a03a 468 head->BufEnd = (u32)(data + len - 1);
bediyap 0:f6f434d9a03a 469 head->Next = (u32)tail;
bediyap 0:f6f434d9a03a 470
bediyap 0:f6f434d9a03a 471 HCED* ed = &endpoint->EndpointDescriptor;
bediyap 0:f6f434d9a03a 472 ed->HeadTd = (u32)head | (ed->HeadTd & 0x00000002); // carry toggle
bediyap 0:f6f434d9a03a 473 ed->TailTd = (u32)tail;
bediyap 0:f6f434d9a03a 474
bediyap 0:f6f434d9a03a 475 //HCTD* td = head;
bediyap 0:f6f434d9a03a 476 //LOG("%04X TD %08X %08X %08X Next:%08X\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
bediyap 0:f6f434d9a03a 477 //LOG("%04X ED %08X %08X %08X\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
bediyap 0:f6f434d9a03a 478
bediyap 0:f6f434d9a03a 479 switch (endpoint->Flags & 3)
bediyap 0:f6f434d9a03a 480 {
bediyap 0:f6f434d9a03a 481 case ENDPOINT_CONTROL:
bediyap 0:f6f434d9a03a 482 LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
bediyap 0:f6f434d9a03a 483 endpoint->CurrentState = state; // Get in before an int
bediyap 0:f6f434d9a03a 484 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | ControlListFilled;
bediyap 0:f6f434d9a03a 485 LPC_USB->HcControl = LPC_USB->HcControl | ControlListEnable;
bediyap 0:f6f434d9a03a 486 break;
bediyap 0:f6f434d9a03a 487
bediyap 0:f6f434d9a03a 488 case ENDPOINT_BULK:
bediyap 0:f6f434d9a03a 489 LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
bediyap 0:f6f434d9a03a 490 endpoint->CurrentState = state;
bediyap 0:f6f434d9a03a 491 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | BulkListFilled;
bediyap 0:f6f434d9a03a 492 LPC_USB->HcControl = LPC_USB->HcControl | BulkListEnable;
bediyap 0:f6f434d9a03a 493 break;
bediyap 0:f6f434d9a03a 494
bediyap 0:f6f434d9a03a 495 case ENDPOINT_INTERRUPT:
bediyap 0:f6f434d9a03a 496 CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
bediyap 0:f6f434d9a03a 497 endpoint->CurrentState = state;
bediyap 0:f6f434d9a03a 498 LPC_USB->HcControl |= PeriodicListEnable;
bediyap 0:f6f434d9a03a 499 break;
bediyap 0:f6f434d9a03a 500 }
bediyap 0:f6f434d9a03a 501 return 0;
bediyap 0:f6f434d9a03a 502 }
bediyap 0:f6f434d9a03a 503
bediyap 0:f6f434d9a03a 504 // Remove an endpoint from an active queue
bediyap 0:f6f434d9a03a 505 bool Remove(HCED* ed, volatile HCED** queue)
bediyap 0:f6f434d9a03a 506 {
bediyap 0:f6f434d9a03a 507 if (*queue == 0)
bediyap 0:f6f434d9a03a 508 return false;
bediyap 0:f6f434d9a03a 509 if (*queue == (volatile HCED*)ed)
bediyap 0:f6f434d9a03a 510 {
bediyap 0:f6f434d9a03a 511 *queue = (volatile HCED*)ed->Next; // At head of queue
bediyap 0:f6f434d9a03a 512 return true;
bediyap 0:f6f434d9a03a 513 }
bediyap 0:f6f434d9a03a 514
bediyap 0:f6f434d9a03a 515 volatile HCED* head = *queue;
bediyap 0:f6f434d9a03a 516 while (head)
bediyap 0:f6f434d9a03a 517 {
bediyap 0:f6f434d9a03a 518 if (head->Next == (u32)ed)
bediyap 0:f6f434d9a03a 519 {
bediyap 0:f6f434d9a03a 520 head->Next = ed->Next;
bediyap 0:f6f434d9a03a 521 return true;
bediyap 0:f6f434d9a03a 522 }
bediyap 0:f6f434d9a03a 523 head = (volatile HCED*)head->Next;
bediyap 0:f6f434d9a03a 524 }
bediyap 0:f6f434d9a03a 525 return false;
bediyap 0:f6f434d9a03a 526 }
bediyap 0:f6f434d9a03a 527
bediyap 0:f6f434d9a03a 528 void Release(Endpoint* endpoint)
bediyap 0:f6f434d9a03a 529 {
bediyap 0:f6f434d9a03a 530 if (endpoint->CurrentState == Endpoint::NotQueued)
bediyap 0:f6f434d9a03a 531 {
bediyap 0:f6f434d9a03a 532 // Never event used it, nothing to do
bediyap 0:f6f434d9a03a 533 }
bediyap 0:f6f434d9a03a 534 else
bediyap 0:f6f434d9a03a 535 {
bediyap 0:f6f434d9a03a 536 HCED* ed = (HCED*)endpoint;
bediyap 0:f6f434d9a03a 537 ed->Control |= 0x4000; // SKIP
bediyap 0:f6f434d9a03a 538 switch (endpoint->Flags & 0x03)
bediyap 0:f6f434d9a03a 539 {
bediyap 0:f6f434d9a03a 540 case ENDPOINT_CONTROL:
bediyap 0:f6f434d9a03a 541 Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
bediyap 0:f6f434d9a03a 542 break;
bediyap 0:f6f434d9a03a 543 case ENDPOINT_BULK:
bediyap 0:f6f434d9a03a 544 Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
bediyap 0:f6f434d9a03a 545 break;
bediyap 0:f6f434d9a03a 546 case ENDPOINT_INTERRUPT:
bediyap 0:f6f434d9a03a 547 for (int i = 0; i < 32; i++)
bediyap 0:f6f434d9a03a 548 Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
bediyap 0:f6f434d9a03a 549 break;
bediyap 0:f6f434d9a03a 550 }
bediyap 0:f6f434d9a03a 551
bediyap 0:f6f434d9a03a 552 u16 fn = CommunicationArea.FrameNumber;
bediyap 0:f6f434d9a03a 553 while (fn == CommunicationArea.FrameNumber)
bediyap 0:f6f434d9a03a 554 ; // Wait for next frame
bediyap 0:f6f434d9a03a 555
bediyap 0:f6f434d9a03a 556 }
bediyap 0:f6f434d9a03a 557
bediyap 0:f6f434d9a03a 558 // In theory, the endpoint is now dead.
bediyap 0:f6f434d9a03a 559 // TODO: Will Callbacks ever be pending? BUGBUG
bediyap 0:f6f434d9a03a 560 memset(endpoint,0,sizeof(Endpoint));
bediyap 0:f6f434d9a03a 561 }
bediyap 0:f6f434d9a03a 562
bediyap 0:f6f434d9a03a 563 // Pop the last TD from the list
bediyap 0:f6f434d9a03a 564 HCTD* Reverse(HCTD* current)
bediyap 0:f6f434d9a03a 565 {
bediyap 0:f6f434d9a03a 566 HCTD *result = NULL,*temp;
bediyap 0:f6f434d9a03a 567 while (current)
bediyap 0:f6f434d9a03a 568 {
bediyap 0:f6f434d9a03a 569 temp = (HCTD*)current->Next;
bediyap 0:f6f434d9a03a 570 current->Next = (u32)result;
bediyap 0:f6f434d9a03a 571 result = current;
bediyap 0:f6f434d9a03a 572 current = temp;
bediyap 0:f6f434d9a03a 573 }
bediyap 0:f6f434d9a03a 574 return result;
bediyap 0:f6f434d9a03a 575 }
bediyap 0:f6f434d9a03a 576
bediyap 0:f6f434d9a03a 577 // Called from interrupt...
bediyap 0:f6f434d9a03a 578 // Control endpoints use a state machine to progress through the transfers
bediyap 0:f6f434d9a03a 579 void ProcessDoneQueue(u32 tdList)
bediyap 0:f6f434d9a03a 580 {
bediyap 0:f6f434d9a03a 581 HCTD* list = Reverse((HCTD*)tdList);
bediyap 0:f6f434d9a03a 582 while (list)
bediyap 0:f6f434d9a03a 583 {
bediyap 0:f6f434d9a03a 584 Endpoint* endpoint = (Endpoint*)(list-1);
bediyap 0:f6f434d9a03a 585 list = (HCTD*)list->Next;
bediyap 0:f6f434d9a03a 586 int ep = endpoint->Address();
bediyap 0:f6f434d9a03a 587 bool in = endpoint->Flags & 0x80;
bediyap 0:f6f434d9a03a 588 int status = (endpoint->TDHead.Control >> 28) & 0xF;
bediyap 0:f6f434d9a03a 589
bediyap 0:f6f434d9a03a 590 //LOG("ProcessDoneQueue %02X %08X\n",ep,endpoint->TDHead.Control);
bediyap 0:f6f434d9a03a 591
bediyap 0:f6f434d9a03a 592 if (status != 0)
bediyap 0:f6f434d9a03a 593 {
bediyap 2:5c2bfbd63297 594 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 595 LOG("ProcessDoneQueue status %02X %d\n",ep,status);
bediyap 2:5c2bfbd63297 596 #endif
bediyap 0:f6f434d9a03a 597 endpoint->CurrentState = Endpoint::Idle;
bediyap 0:f6f434d9a03a 598 } else {
bediyap 0:f6f434d9a03a 599 switch (endpoint->CurrentState)
bediyap 0:f6f434d9a03a 600 {
bediyap 0:f6f434d9a03a 601 case Endpoint::SetupQueued:
bediyap 0:f6f434d9a03a 602 if (endpoint->Length == 0)
bediyap 0:f6f434d9a03a 603 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
bediyap 0:f6f434d9a03a 604 else
bediyap 0:f6f434d9a03a 605 Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
bediyap 0:f6f434d9a03a 606 break;
bediyap 0:f6f434d9a03a 607
bediyap 0:f6f434d9a03a 608 case Endpoint::DataQueued:
bediyap 0:f6f434d9a03a 609 if (endpoint->TDHead.CurrBufPtr)
bediyap 0:f6f434d9a03a 610 endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
bediyap 0:f6f434d9a03a 611
bediyap 0:f6f434d9a03a 612 if (ep == 0)
bediyap 0:f6f434d9a03a 613 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
bediyap 0:f6f434d9a03a 614 else
bediyap 0:f6f434d9a03a 615 endpoint->CurrentState = Endpoint::Idle;
bediyap 0:f6f434d9a03a 616 break;
bediyap 0:f6f434d9a03a 617
bediyap 0:f6f434d9a03a 618 case Endpoint::StatusQueued: // Transaction is done
bediyap 0:f6f434d9a03a 619 endpoint->CurrentState = Endpoint::Idle;
bediyap 0:f6f434d9a03a 620 break;
bediyap 0:f6f434d9a03a 621 }
bediyap 0:f6f434d9a03a 622 }
bediyap 0:f6f434d9a03a 623
bediyap 0:f6f434d9a03a 624 // Complete, flag if we need a callback
bediyap 0:f6f434d9a03a 625 if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
bediyap 0:f6f434d9a03a 626 {
bediyap 0:f6f434d9a03a 627 endpoint->CurrentState = Endpoint::CallbackPending;
bediyap 0:f6f434d9a03a 628 _callbacksPending++;
bediyap 0:f6f434d9a03a 629 }
bediyap 0:f6f434d9a03a 630 }
bediyap 0:f6f434d9a03a 631 }
bediyap 0:f6f434d9a03a 632
bediyap 0:f6f434d9a03a 633 // Hack to reset devices that don't want to connect
bediyap 0:f6f434d9a03a 634 int AddDevice(int hub, int port, bool isLowSpeed)
bediyap 0:f6f434d9a03a 635 {
bediyap 0:f6f434d9a03a 636 int device = AddDeviceCore(hub,port,isLowSpeed);
bediyap 0:f6f434d9a03a 637 if (device < 0)
bediyap 0:f6f434d9a03a 638 {
bediyap 2:5c2bfbd63297 639 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 640 LOG("========RETRY ADD DEVICE========\n"); // This will go for ever.. TODO power cycle root?
bediyap 2:5c2bfbd63297 641 #endif
bediyap 0:f6f434d9a03a 642 Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
bediyap 0:f6f434d9a03a 643 ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
bediyap 0:f6f434d9a03a 644 return -1;
bediyap 0:f6f434d9a03a 645 }
bediyap 0:f6f434d9a03a 646 return device;
bediyap 0:f6f434d9a03a 647 }
bediyap 0:f6f434d9a03a 648
bediyap 0:f6f434d9a03a 649 int AddDeviceCore(int hub, int port, bool isLowSpeed)
bediyap 0:f6f434d9a03a 650 {
bediyap 0:f6f434d9a03a 651 int lowSpeed = isLowSpeed ? 0x2000 : 0;
bediyap 0:f6f434d9a03a 652 DeviceDescriptor desc;
bediyap 0:f6f434d9a03a 653 EndpointZero.EndpointDescriptor.Control = (8 << 16) | lowSpeed; // MaxPacketSize == 8
bediyap 0:f6f434d9a03a 654 int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
bediyap 0:f6f434d9a03a 655 if (r < 0)
bediyap 0:f6f434d9a03a 656 {
bediyap 2:5c2bfbd63297 657 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 658 LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\n");
bediyap 2:5c2bfbd63297 659 #endif
bediyap 0:f6f434d9a03a 660 return r;
bediyap 0:f6f434d9a03a 661 }
bediyap 0:f6f434d9a03a 662
bediyap 0:f6f434d9a03a 663 EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) | lowSpeed; // Actual MaxPacketSize
bediyap 0:f6f434d9a03a 664 r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
bediyap 0:f6f434d9a03a 665 if (r < 0)
bediyap 0:f6f434d9a03a 666 return r;
bediyap 0:f6f434d9a03a 667
bediyap 2:5c2bfbd63297 668 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 669 LOG("\nClass %02X found %04X:%04X\n\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
bediyap 2:5c2bfbd63297 670 #endif
bediyap 0:f6f434d9a03a 671 // Now assign the device an address, move off EndpointZero
bediyap 0:f6f434d9a03a 672 int device = 0;
bediyap 0:f6f434d9a03a 673 for (int i = 0; i < MAX_DEVICES; i++)
bediyap 0:f6f434d9a03a 674 {
bediyap 0:f6f434d9a03a 675 if (Devices[i].Port == 0)
bediyap 0:f6f434d9a03a 676 {
bediyap 0:f6f434d9a03a 677 device = i+1;
bediyap 0:f6f434d9a03a 678 break;
bediyap 0:f6f434d9a03a 679 }
bediyap 0:f6f434d9a03a 680 }
bediyap 0:f6f434d9a03a 681 if (!device)
bediyap 0:f6f434d9a03a 682 return ERR_DEVICE_NONE_LEFT;
bediyap 0:f6f434d9a03a 683
bediyap 0:f6f434d9a03a 684 r = SetAddress(0,device);
bediyap 0:f6f434d9a03a 685 if (r)
bediyap 0:f6f434d9a03a 686 return r;
bediyap 0:f6f434d9a03a 687 DelayMS(2);
bediyap 0:f6f434d9a03a 688
bediyap 0:f6f434d9a03a 689 // Now at a nonzero address, create control endpoint
bediyap 0:f6f434d9a03a 690 Device* dev = &Devices[device-1];
bediyap 0:f6f434d9a03a 691 dev->Init(&desc,hub,port,device,lowSpeed);
bediyap 0:f6f434d9a03a 692 AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
bediyap 0:f6f434d9a03a 693 _connectPending = 0;
bediyap 0:f6f434d9a03a 694
bediyap 0:f6f434d9a03a 695 // Verify this all works
bediyap 0:f6f434d9a03a 696 r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
bediyap 0:f6f434d9a03a 697 if (r < 0)
bediyap 0:f6f434d9a03a 698 return r;
bediyap 0:f6f434d9a03a 699
bediyap 0:f6f434d9a03a 700 // Set to interface 0 by default
bediyap 0:f6f434d9a03a 701 // Calls LoadDevice if interface is found
bediyap 0:f6f434d9a03a 702 r = SetConfigurationAndInterface(device,1,0,&desc);
bediyap 0:f6f434d9a03a 703
bediyap 0:f6f434d9a03a 704 if (desc.bDeviceClass == CLASS_HUB)
bediyap 0:f6f434d9a03a 705 InitHub(device); // Handle hubs in this code
bediyap 0:f6f434d9a03a 706
bediyap 0:f6f434d9a03a 707 return device;
bediyap 0:f6f434d9a03a 708 }
bediyap 0:f6f434d9a03a 709
bediyap 0:f6f434d9a03a 710 // Walk descriptors and create endpoints for a given device
bediyap 0:f6f434d9a03a 711 // TODO configuration !=1, alternate settings etc.
bediyap 0:f6f434d9a03a 712 int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
bediyap 0:f6f434d9a03a 713 {
bediyap 0:f6f434d9a03a 714 u8 buffer[255];
bediyap 0:f6f434d9a03a 715 int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
bediyap 0:f6f434d9a03a 716 if (err < 0)
bediyap 0:f6f434d9a03a 717 return err;
bediyap 0:f6f434d9a03a 718
bediyap 0:f6f434d9a03a 719 err = SetConfiguration(device,configuration);
bediyap 0:f6f434d9a03a 720 if (err < 0)
bediyap 0:f6f434d9a03a 721 return err;
bediyap 0:f6f434d9a03a 722
bediyap 0:f6f434d9a03a 723 // Add the endpoints for this interface
bediyap 0:f6f434d9a03a 724 int len = buffer[2] | (buffer[3] << 8);
bediyap 0:f6f434d9a03a 725 u8* d = buffer;
bediyap 0:f6f434d9a03a 726 u8* end = d + len;
bediyap 0:f6f434d9a03a 727 InterfaceDescriptor* found = 0;
bediyap 0:f6f434d9a03a 728 while (d < end)
bediyap 0:f6f434d9a03a 729 {
bediyap 0:f6f434d9a03a 730 if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
bediyap 0:f6f434d9a03a 731 {
bediyap 0:f6f434d9a03a 732 InterfaceDescriptor* id = (InterfaceDescriptor*)d;
bediyap 0:f6f434d9a03a 733 if (id->bInterfaceNumber == interfaceNumber)
bediyap 0:f6f434d9a03a 734 {
bediyap 0:f6f434d9a03a 735 found = id;
bediyap 0:f6f434d9a03a 736 d += d[0];
bediyap 0:f6f434d9a03a 737 while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
bediyap 0:f6f434d9a03a 738 {
bediyap 0:f6f434d9a03a 739 switch (d[1])
bediyap 0:f6f434d9a03a 740 {
bediyap 0:f6f434d9a03a 741 case DESCRIPTOR_TYPE_ENDPOINT:
bediyap 0:f6f434d9a03a 742 AddEndpoint(device,(EndpointDescriptor*)d);
bediyap 0:f6f434d9a03a 743 break;
bediyap 0:f6f434d9a03a 744 default:
bediyap 0:f6f434d9a03a 745 LOG("Skipping descriptor %02X (%d bytes)\n",d[1],d[0]);
bediyap 2:5c2bfbd63297 746
bediyap 0:f6f434d9a03a 747 }
bediyap 0:f6f434d9a03a 748 d += d[0];
bediyap 0:f6f434d9a03a 749 }
bediyap 0:f6f434d9a03a 750 }
bediyap 0:f6f434d9a03a 751 }
bediyap 0:f6f434d9a03a 752 d += d[0];
bediyap 0:f6f434d9a03a 753 }
bediyap 0:f6f434d9a03a 754
bediyap 0:f6f434d9a03a 755 if (!found)
bediyap 0:f6f434d9a03a 756 return ERR_INTERFACE_NOT_FOUND;
bediyap 0:f6f434d9a03a 757 OnLoadDevice(device,desc,found);
bediyap 0:f6f434d9a03a 758 return 0;
bediyap 0:f6f434d9a03a 759 }
bediyap 0:f6f434d9a03a 760
bediyap 0:f6f434d9a03a 761 void Init()
bediyap 0:f6f434d9a03a 762 {
bediyap 2:5c2bfbd63297 763 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 764 LOG("USB INIT (Controller is %d bytes)\n",sizeof(*this));
bediyap 2:5c2bfbd63297 765 #endif
bediyap 0:f6f434d9a03a 766 memset(this,0,sizeof(HostController));
bediyap 0:f6f434d9a03a 767 EndpointZero.CurrentState = Endpoint::NotQueued;
bediyap 0:f6f434d9a03a 768 HWInit(&CommunicationArea);
bediyap 0:f6f434d9a03a 769 DelayMS(10);
bediyap 0:f6f434d9a03a 770 }
bediyap 0:f6f434d9a03a 771
bediyap 0:f6f434d9a03a 772 void ResetPort(int hub, int port)
bediyap 0:f6f434d9a03a 773 {
bediyap 2:5c2bfbd63297 774 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 775 LOG("ResetPort Hub:%d Port:%d\n",hub,port);
bediyap 2:5c2bfbd63297 776 #endif
bediyap 0:f6f434d9a03a 777 _connectPending++; // Only reset/add 1 device at a time
bediyap 0:f6f434d9a03a 778 if (hub == 0)
bediyap 0:f6f434d9a03a 779 LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
bediyap 0:f6f434d9a03a 780 else
bediyap 0:f6f434d9a03a 781 SetPortReset(hub,port); // or reset other hub
bediyap 0:f6f434d9a03a 782 }
bediyap 0:f6f434d9a03a 783
bediyap 0:f6f434d9a03a 784 void Disconnect(int hub, int port)
bediyap 0:f6f434d9a03a 785 {
bediyap 2:5c2bfbd63297 786 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 787 LOG("Disconnect Hub:%d Port:%d\n",hub,port); // Mark a device for destruction
bediyap 2:5c2bfbd63297 788 #endif
bediyap 0:f6f434d9a03a 789 for (int i = 0; i < MAX_DEVICES; i++)
bediyap 0:f6f434d9a03a 790 {
bediyap 0:f6f434d9a03a 791 Device* dev = Devices + i;
bediyap 0:f6f434d9a03a 792 if (dev->Port == port && dev->Hub == hub)
bediyap 0:f6f434d9a03a 793 {
bediyap 0:f6f434d9a03a 794 // Disconnect everything that is attached to this device if it is a hub
bediyap 0:f6f434d9a03a 795 for (int p = 0; p < dev->HubPortCount; p++)
bediyap 0:f6f434d9a03a 796 Disconnect(i+1,p+1);
bediyap 0:f6f434d9a03a 797
bediyap 0:f6f434d9a03a 798 // Now release endpoints
bediyap 0:f6f434d9a03a 799 for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
bediyap 0:f6f434d9a03a 800 {
bediyap 0:f6f434d9a03a 801 u8 endpointIndex = dev->_endpointMap[j];
bediyap 0:f6f434d9a03a 802 if (endpointIndex != 0xFF)
bediyap 0:f6f434d9a03a 803 Release(Endpoints + endpointIndex);
bediyap 0:f6f434d9a03a 804 }
bediyap 0:f6f434d9a03a 805 dev->Port = 0; // Device is now free
bediyap 0:f6f434d9a03a 806 dev->Flags = 0;
bediyap 0:f6f434d9a03a 807 return;
bediyap 0:f6f434d9a03a 808 }
bediyap 0:f6f434d9a03a 809 }
bediyap 0:f6f434d9a03a 810 }
bediyap 0:f6f434d9a03a 811
bediyap 0:f6f434d9a03a 812 // called after reset
bediyap 0:f6f434d9a03a 813 void Connect(int hub, int port, bool lowspeed)
bediyap 0:f6f434d9a03a 814 {
bediyap 2:5c2bfbd63297 815 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 816 LOG("Connect Hub:%d Port:%d %s\n",hub,port,lowspeed ? "slow" : "full");
bediyap 2:5c2bfbd63297 817 #endif
bediyap 0:f6f434d9a03a 818 AddDevice(hub,port,lowspeed);
bediyap 0:f6f434d9a03a 819 }
bediyap 0:f6f434d9a03a 820
bediyap 0:f6f434d9a03a 821 // Called from interrupt
bediyap 0:f6f434d9a03a 822 void HubStatusChange(int hub, int port, u32 status)
bediyap 0:f6f434d9a03a 823 {
bediyap 2:5c2bfbd63297 824 #ifdef DEBUG_LOG
bediyap 0:f6f434d9a03a 825 LOG("HubStatusChange Hub:%d Port:%d %08X\n",hub,port,status);
bediyap 2:5c2bfbd63297 826 #endif
bediyap 0:f6f434d9a03a 827 if (status & ConnectStatusChange)
bediyap 0:f6f434d9a03a 828 {
bediyap 0:f6f434d9a03a 829 if (status & CurrentConnectStatus) // Connecting
bediyap 0:f6f434d9a03a 830 ResetPort(hub,port); // Reset to initiate connect (state machine?)
bediyap 0:f6f434d9a03a 831 else
bediyap 0:f6f434d9a03a 832 Disconnect(hub,port);
bediyap 0:f6f434d9a03a 833 }
bediyap 0:f6f434d9a03a 834
bediyap 0:f6f434d9a03a 835 if (status & PortResetStatusChange)
bediyap 0:f6f434d9a03a 836 {
bediyap 0:f6f434d9a03a 837 if (!(status & PortResetStatus))
bediyap 0:f6f434d9a03a 838 {
bediyap 0:f6f434d9a03a 839 _connectCountdown = 200; // Schedule a connection in 200ms
bediyap 0:f6f434d9a03a 840 if (status & LowspeedDevice)
bediyap 0:f6f434d9a03a 841 port |= 0x80;
bediyap 0:f6f434d9a03a 842 _connectHub = hub;
bediyap 0:f6f434d9a03a 843 _connectPort = port;
bediyap 0:f6f434d9a03a 844 }
bediyap 0:f6f434d9a03a 845 }
bediyap 0:f6f434d9a03a 846 }
bediyap 0:f6f434d9a03a 847
bediyap 0:f6f434d9a03a 848 #define HOST_CLK_EN (1<<0)
bediyap 0:f6f434d9a03a 849 #define PORTSEL_CLK_EN (1<<3)
bediyap 0:f6f434d9a03a 850 #define AHB_CLK_EN (1<<4)
bediyap 0:f6f434d9a03a 851 #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
bediyap 0:f6f434d9a03a 852
bediyap 0:f6f434d9a03a 853 #define FRAMEINTERVAL (12000-1) // 1ms
bediyap 0:f6f434d9a03a 854 #define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) | FRAMEINTERVAL)
bediyap 0:f6f434d9a03a 855
bediyap 0:f6f434d9a03a 856 void DelayMS(int ms)
bediyap 0:f6f434d9a03a 857 {
bediyap 0:f6f434d9a03a 858 u16 f = ms + CommunicationArea.FrameNumber;
bediyap 0:f6f434d9a03a 859 while (f != CommunicationArea.FrameNumber)
bediyap 0:f6f434d9a03a 860 ;
bediyap 0:f6f434d9a03a 861 }
bediyap 0:f6f434d9a03a 862
bediyap 0:f6f434d9a03a 863 static void HWInit(HCCA* cca)
bediyap 0:f6f434d9a03a 864 {
bediyap 0:f6f434d9a03a 865 NVIC_DisableIRQ(USB_IRQn);
bediyap 0:f6f434d9a03a 866
bediyap 0:f6f434d9a03a 867 // turn on power for USB
bediyap 0:f6f434d9a03a 868 LPC_SC->PCONP |= (1UL<<31);
bediyap 0:f6f434d9a03a 869 // Enable USB host clock, port selection and AHB clock
bediyap 0:f6f434d9a03a 870 LPC_USB->USBClkCtrl |= CLOCK_MASK;
bediyap 0:f6f434d9a03a 871 // Wait for clocks to become available
bediyap 0:f6f434d9a03a 872 while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
bediyap 0:f6f434d9a03a 873 ;
bediyap 0:f6f434d9a03a 874
bediyap 0:f6f434d9a03a 875 // We are a Host
bediyap 0:f6f434d9a03a 876 LPC_USB->OTGStCtrl |= 1;
bediyap 0:f6f434d9a03a 877 LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
bediyap 0:f6f434d9a03a 878
bediyap 0:f6f434d9a03a 879 // configure USB pins
bediyap 0:f6f434d9a03a 880 LPC_PINCON->PINSEL1 &= ~((3<<26)|(3<<28));
bediyap 0:f6f434d9a03a 881 LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // USB D+/D-
bediyap 0:f6f434d9a03a 882
bediyap 0:f6f434d9a03a 883 LPC_PINCON->PINSEL3 &= ~((3 << 6) | (3 << 22)); // USB_PPWR, USB_OVRCR
bediyap 0:f6f434d9a03a 884 LPC_PINCON->PINSEL3 |= ((2 << 6) | (2 << 22));
bediyap 0:f6f434d9a03a 885
bediyap 0:f6f434d9a03a 886 LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
bediyap 0:f6f434d9a03a 887 LPC_PINCON->PINSEL4 |= (1 << 18);
bediyap 0:f6f434d9a03a 888
bediyap 0:f6f434d9a03a 889 // Reset OHCI block
bediyap 0:f6f434d9a03a 890 LPC_USB->HcControl = 0;
bediyap 0:f6f434d9a03a 891 LPC_USB->HcControlHeadED = 0;
bediyap 0:f6f434d9a03a 892 LPC_USB->HcBulkHeadED = 0;
bediyap 0:f6f434d9a03a 893
bediyap 0:f6f434d9a03a 894 LPC_USB->HcCommandStatus = HostControllerReset;
bediyap 0:f6f434d9a03a 895 LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
bediyap 0:f6f434d9a03a 896 LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
bediyap 0:f6f434d9a03a 897
bediyap 0:f6f434d9a03a 898 LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) | OperationalMask;
bediyap 0:f6f434d9a03a 899 LPC_USB->HcRhStatus = SetGlobalPower;
bediyap 0:f6f434d9a03a 900
bediyap 0:f6f434d9a03a 901 LPC_USB->HcHCCA = (u32)cca;
bediyap 0:f6f434d9a03a 902 LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus;
bediyap 0:f6f434d9a03a 903 LPC_USB->HcInterruptEnable = MasterInterruptEnable | WritebackDoneHead | RootHubStatusChange | FrameNumberOverflow;
bediyap 0:f6f434d9a03a 904
bediyap 0:f6f434d9a03a 905 NVIC_SetPriority(USB_IRQn, 0);
bediyap 0:f6f434d9a03a 906 NVIC_EnableIRQ(USB_IRQn);
bediyap 0:f6f434d9a03a 907 while (cca->FrameNumber < 10)
bediyap 0:f6f434d9a03a 908 ; // 10ms delay before diving in
bediyap 0:f6f434d9a03a 909 }
bediyap 0:f6f434d9a03a 910 };
bediyap 0:f6f434d9a03a 911
bediyap 0:f6f434d9a03a 912 //====================================================================================
bediyap 0:f6f434d9a03a 913 //====================================================================================
bediyap 0:f6f434d9a03a 914 // Host controller instance and Interrupt handler
bediyap 0:f6f434d9a03a 915
bediyap 0:f6f434d9a03a 916 static HostController _controller __attribute__((at(USB_RAM_BASE)));
bediyap 0:f6f434d9a03a 917
bediyap 0:f6f434d9a03a 918 extern "C" void USB_IRQHandler(void) __irq;
bediyap 0:f6f434d9a03a 919 void USB_IRQHandler (void) __irq
bediyap 0:f6f434d9a03a 920 {
bediyap 0:f6f434d9a03a 921 u32 int_status = LPC_USB->HcInterruptStatus;
bediyap 0:f6f434d9a03a 922
bediyap 0:f6f434d9a03a 923 if (int_status & RootHubStatusChange) // Root hub status change
bediyap 0:f6f434d9a03a 924 _controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
bediyap 0:f6f434d9a03a 925
bediyap 0:f6f434d9a03a 926 u32 head = 0;
bediyap 0:f6f434d9a03a 927 if (int_status & WritebackDoneHead)
bediyap 0:f6f434d9a03a 928 {
bediyap 0:f6f434d9a03a 929 head = _controller.CommunicationArea.DoneHead; // Writeback Done
bediyap 0:f6f434d9a03a 930 _controller.CommunicationArea.DoneHead = 0;
bediyap 0:f6f434d9a03a 931 }
bediyap 0:f6f434d9a03a 932 LPC_USB->HcInterruptStatus = int_status;
bediyap 0:f6f434d9a03a 933
bediyap 0:f6f434d9a03a 934 if (head)
bediyap 0:f6f434d9a03a 935 _controller.ProcessDoneQueue(head); // TODO - low bit can be set BUGBUG
bediyap 0:f6f434d9a03a 936 }
bediyap 0:f6f434d9a03a 937
bediyap 0:f6f434d9a03a 938 //====================================================================================
bediyap 0:f6f434d9a03a 939 //====================================================================================
bediyap 0:f6f434d9a03a 940 // API Methods
bediyap 0:f6f434d9a03a 941
bediyap 0:f6f434d9a03a 942 void USBInit()
bediyap 0:f6f434d9a03a 943 {
bediyap 0:f6f434d9a03a 944 return _controller.Init();
bediyap 0:f6f434d9a03a 945 }
bediyap 0:f6f434d9a03a 946
bediyap 0:f6f434d9a03a 947 void USBLoop()
bediyap 0:f6f434d9a03a 948 {
bediyap 0:f6f434d9a03a 949 return _controller.Loop();
bediyap 0:f6f434d9a03a 950 }
bediyap 0:f6f434d9a03a 951
bediyap 0:f6f434d9a03a 952 u8* USBGetBuffer(u32* len)
bediyap 0:f6f434d9a03a 953 {
bediyap 0:f6f434d9a03a 954 *len = USB_RAM_SIZE - sizeof(HostController);
bediyap 0:f6f434d9a03a 955 return _controller.SRAM;
bediyap 0:f6f434d9a03a 956 }
bediyap 0:f6f434d9a03a 957
bediyap 0:f6f434d9a03a 958 static Setup* GetSetup(int device)
bediyap 0:f6f434d9a03a 959 {
bediyap 0:f6f434d9a03a 960 if (device == 0)
bediyap 0:f6f434d9a03a 961 return &_controller._setupZero;
bediyap 0:f6f434d9a03a 962
bediyap 0:f6f434d9a03a 963 if (device < 1 || device > MAX_DEVICES)
bediyap 0:f6f434d9a03a 964 return 0;
bediyap 0:f6f434d9a03a 965 return &_controller.Devices[device-1].SetupBuffer;
bediyap 0:f6f434d9a03a 966 }
bediyap 0:f6f434d9a03a 967
bediyap 0:f6f434d9a03a 968 // Loop until IO on endpoint is complete
bediyap 0:f6f434d9a03a 969 static int WaitIODone(Endpoint* endpoint)
bediyap 0:f6f434d9a03a 970 {
bediyap 0:f6f434d9a03a 971 if (endpoint->CurrentState == Endpoint::NotQueued)
bediyap 0:f6f434d9a03a 972 return 0;
bediyap 0:f6f434d9a03a 973 while (endpoint->CurrentState != Endpoint::Idle)
bediyap 0:f6f434d9a03a 974 USBLoop(); // May generate callbacks, mount or unmount devices etc
bediyap 0:f6f434d9a03a 975 int status = endpoint->Status();
bediyap 0:f6f434d9a03a 976 if (status == 0)
bediyap 0:f6f434d9a03a 977 return endpoint->Length;
bediyap 0:f6f434d9a03a 978 return -status;
bediyap 0:f6f434d9a03a 979 }
bediyap 0:f6f434d9a03a 980
bediyap 0:f6f434d9a03a 981 int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
bediyap 0:f6f434d9a03a 982 {
bediyap 0:f6f434d9a03a 983 Endpoint* endpoint = _controller.GetEndpoint(device,ep);
bediyap 0:f6f434d9a03a 984 if (!endpoint)
bediyap 0:f6f434d9a03a 985 return ERR_ENDPOINT_NOT_FOUND;
bediyap 0:f6f434d9a03a 986
bediyap 0:f6f434d9a03a 987 WaitIODone(endpoint);
bediyap 0:f6f434d9a03a 988 endpoint->Flags = flags;
bediyap 0:f6f434d9a03a 989 endpoint->Data = data;
bediyap 0:f6f434d9a03a 990 endpoint->Length = length;
bediyap 0:f6f434d9a03a 991 endpoint->Callback = callback;
bediyap 0:f6f434d9a03a 992 endpoint->UserData = userData;
bediyap 0:f6f434d9a03a 993 if (ep == 0)
bediyap 0:f6f434d9a03a 994 _controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
bediyap 0:f6f434d9a03a 995 else
bediyap 0:f6f434d9a03a 996 _controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
bediyap 0:f6f434d9a03a 997 if (callback)
bediyap 0:f6f434d9a03a 998 return IO_PENDING;
bediyap 0:f6f434d9a03a 999 return WaitIODone(endpoint);
bediyap 0:f6f434d9a03a 1000 }
bediyap 0:f6f434d9a03a 1001
bediyap 0:f6f434d9a03a 1002 int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
bediyap 0:f6f434d9a03a 1003 {
bediyap 0:f6f434d9a03a 1004 Setup* setup = GetSetup(device);
bediyap 0:f6f434d9a03a 1005 if (!setup)
bediyap 0:f6f434d9a03a 1006 return ERR_DEVICE_NOT_FOUND;
bediyap 0:f6f434d9a03a 1007
bediyap 0:f6f434d9a03a 1008 // Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
bediyap 0:f6f434d9a03a 1009 WaitIODone(_controller.GetEndpoint(device,0));
bediyap 0:f6f434d9a03a 1010
bediyap 0:f6f434d9a03a 1011 setup->bm_request_type = request_type;
bediyap 0:f6f434d9a03a 1012 setup->b_request = request;
bediyap 0:f6f434d9a03a 1013 setup->w_value = value;
bediyap 0:f6f434d9a03a 1014 setup->w_index = index;
bediyap 0:f6f434d9a03a 1015 setup->w_length = length;
bediyap 0:f6f434d9a03a 1016 return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
bediyap 0:f6f434d9a03a 1017 }
bediyap 0:f6f434d9a03a 1018
bediyap 0:f6f434d9a03a 1019 int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
bediyap 0:f6f434d9a03a 1020 {
bediyap 0:f6f434d9a03a 1021 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_INTERRUPT,data,length,callback,userData);
bediyap 0:f6f434d9a03a 1022 }
bediyap 0:f6f434d9a03a 1023
bediyap 0:f6f434d9a03a 1024 int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
bediyap 0:f6f434d9a03a 1025 {
bediyap 0:f6f434d9a03a 1026 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_BULK,data,length,callback,userData);
bediyap 0:f6f434d9a03a 1027 }
bediyap 0:f6f434d9a03a 1028
bediyap 0:f6f434d9a03a 1029 int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
bediyap 0:f6f434d9a03a 1030 {
bediyap 0:f6f434d9a03a 1031 return USBControlTransfer(device,DEVICE_TO_HOST | RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)|(descIndex), 0, data, length, 0);
bediyap 0:f6f434d9a03a 1032 }
bediyap 0:f6f434d9a03a 1033
bediyap 0:f6f434d9a03a 1034 int GetString(int device, int index, char* dst, int length)
bediyap 0:f6f434d9a03a 1035 {
bediyap 0:f6f434d9a03a 1036 u8 buffer[255];
bediyap 0:f6f434d9a03a 1037 int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
bediyap 0:f6f434d9a03a 1038 if (le < 0)
bediyap 0:f6f434d9a03a 1039 return le;
bediyap 0:f6f434d9a03a 1040 if (length < 1)
bediyap 0:f6f434d9a03a 1041 return -1;
bediyap 0:f6f434d9a03a 1042 length <<= 1;
bediyap 0:f6f434d9a03a 1043 if (le > length)
bediyap 0:f6f434d9a03a 1044 le = length;
bediyap 0:f6f434d9a03a 1045 for (int j = 2; j < le; j += 2)
bediyap 0:f6f434d9a03a 1046 *dst++ = buffer[j];
bediyap 0:f6f434d9a03a 1047 *dst = 0;
bediyap 0:f6f434d9a03a 1048 return (le>>1)-1;
bediyap 0:f6f434d9a03a 1049 }
bediyap 0:f6f434d9a03a 1050
bediyap 0:f6f434d9a03a 1051 int SetAddress(int device, int new_addr)
bediyap 0:f6f434d9a03a 1052 {
bediyap 0:f6f434d9a03a 1053 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
bediyap 0:f6f434d9a03a 1054 }
bediyap 0:f6f434d9a03a 1055
bediyap 0:f6f434d9a03a 1056 int SetConfiguration(int device, int configNum)
bediyap 0:f6f434d9a03a 1057 {
bediyap 0:f6f434d9a03a 1058 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
bediyap 0:f6f434d9a03a 1059 }
bediyap 0:f6f434d9a03a 1060
bediyap 0:f6f434d9a03a 1061 int SetInterface(int device, int ifNum, int altNum)
bediyap 0:f6f434d9a03a 1062 {
bediyap 0:f6f434d9a03a 1063 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
bediyap 0:f6f434d9a03a 1064 }
bediyap 0:f6f434d9a03a 1065
bediyap 0:f6f434d9a03a 1066 // HUB stuff
bediyap 0:f6f434d9a03a 1067 int SetPortFeature(int device, int feature, int index)
bediyap 0:f6f434d9a03a 1068 {
bediyap 0:f6f434d9a03a 1069 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
bediyap 0:f6f434d9a03a 1070 }
bediyap 0:f6f434d9a03a 1071
bediyap 0:f6f434d9a03a 1072 int ClearPortFeature(int device, int feature, int index)
bediyap 0:f6f434d9a03a 1073 {
bediyap 0:f6f434d9a03a 1074 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
bediyap 0:f6f434d9a03a 1075 }
bediyap 0:f6f434d9a03a 1076
bediyap 0:f6f434d9a03a 1077 int SetPortPower(int device, int port)
bediyap 0:f6f434d9a03a 1078 {
bediyap 0:f6f434d9a03a 1079 int r = SetPortFeature(device,PORT_POWER,port);
bediyap 0:f6f434d9a03a 1080 _controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
bediyap 0:f6f434d9a03a 1081 return r;
bediyap 0:f6f434d9a03a 1082 }
bediyap 0:f6f434d9a03a 1083
bediyap 0:f6f434d9a03a 1084 int SetPortReset(int device, int port)
bediyap 0:f6f434d9a03a 1085 {
bediyap 0:f6f434d9a03a 1086 return SetPortFeature(device,PORT_RESET,port);
bediyap 0:f6f434d9a03a 1087 }
bediyap 0:f6f434d9a03a 1088
bediyap 0:f6f434d9a03a 1089 int GetPortStatus(int device, int port, u32* status)
bediyap 0:f6f434d9a03a 1090 {
bediyap 0:f6f434d9a03a 1091 return USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
bediyap 0:f6f434d9a03a 1092 }