ADKに対応していないAndroid端末にマイコンを繋いでADBインターフェースで通信できるMicroBridgeのmbed移植版。 mbedに繋いだサーボをAndroid端末から動かすサンプルプログラムです。 とりあえず暫定バージョンを公開します。 Dev Phone 1でのみ動作確認をしています。 USBのインターフェース番号を固定しているので他で繋がるかわかりません。

Dependencies:   TextLCD mbed

Committer:
jksoft
Date:
Sun Aug 21 14:36:35 2011 +0000
Revision:
0:dde3f92088d5

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:dde3f92088d5 1
jksoft 0:dde3f92088d5 2 /*
jksoft 0:dde3f92088d5 3 Copyright (c) 2010 Peter Barrett
jksoft 0:dde3f92088d5 4
jksoft 0:dde3f92088d5 5 Permission is hereby granted, free of charge, to any person obtaining a copy
jksoft 0:dde3f92088d5 6 of this software and associated documentation files (the "Software"), to deal
jksoft 0:dde3f92088d5 7 in the Software without restriction, including without limitation the rights
jksoft 0:dde3f92088d5 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
jksoft 0:dde3f92088d5 9 copies of the Software, and to permit persons to whom the Software is
jksoft 0:dde3f92088d5 10 furnished to do so, subject to the following conditions:
jksoft 0:dde3f92088d5 11
jksoft 0:dde3f92088d5 12 The above copyright notice and this permission notice shall be included in
jksoft 0:dde3f92088d5 13 all copies or substantial portions of the Software.
jksoft 0:dde3f92088d5 14
jksoft 0:dde3f92088d5 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jksoft 0:dde3f92088d5 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jksoft 0:dde3f92088d5 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jksoft 0:dde3f92088d5 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jksoft 0:dde3f92088d5 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jksoft 0:dde3f92088d5 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
jksoft 0:dde3f92088d5 21 THE SOFTWARE.
jksoft 0:dde3f92088d5 22 */
jksoft 0:dde3f92088d5 23
jksoft 0:dde3f92088d5 24
jksoft 0:dde3f92088d5 25 #include "mbed.h"
jksoft 0:dde3f92088d5 26 #include "USBHost.h"
jksoft 0:dde3f92088d5 27 //#define USBHOST_LOG
jksoft 0:dde3f92088d5 28 #ifdef USBHOST_LOG
jksoft 0:dde3f92088d5 29
jksoft 0:dde3f92088d5 30 // Config (default uses x bytes)
jksoft 0:dde3f92088d5 31 #define MAX_DEVICES 8 // Max number of devices
jksoft 0:dde3f92088d5 32 #define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
jksoft 0:dde3f92088d5 33 #define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
jksoft 0:dde3f92088d5 34
jksoft 0:dde3f92088d5 35 #define USBLOG 1
jksoft 0:dde3f92088d5 36 #if USBLOG
jksoft 0:dde3f92088d5 37 #define LOG(...) printf(__VA_ARGS__)
jksoft 0:dde3f92088d5 38 #else
jksoft 0:dde3f92088d5 39 #define LOG(...) do {} while(0)
jksoft 0:dde3f92088d5 40 #endif
jksoft 0:dde3f92088d5 41
jksoft 0:dde3f92088d5 42 // USB host structures
jksoft 0:dde3f92088d5 43
jksoft 0:dde3f92088d5 44 #define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
jksoft 0:dde3f92088d5 45 #define USB_RAM_BASE 0x2007C000
jksoft 0:dde3f92088d5 46
jksoft 0:dde3f92088d5 47 #define TOKEN_SETUP 0
jksoft 0:dde3f92088d5 48 #define TOKEN_IN 1
jksoft 0:dde3f92088d5 49 #define TOKEN_OUT 2
jksoft 0:dde3f92088d5 50
jksoft 0:dde3f92088d5 51 // Status flags from hub
jksoft 0:dde3f92088d5 52 #define PORT_CONNECTION 0
jksoft 0:dde3f92088d5 53 #define PORT_ENABLE 1
jksoft 0:dde3f92088d5 54 #define PORT_SUSPEND 2
jksoft 0:dde3f92088d5 55 #define PORT_OVER_CURRENT 3
jksoft 0:dde3f92088d5 56 #define PORT_RESET 4
jksoft 0:dde3f92088d5 57 #define PORT_POWER 8
jksoft 0:dde3f92088d5 58 #define PORT_LOW_SPEED 9
jksoft 0:dde3f92088d5 59
jksoft 0:dde3f92088d5 60 #define C_PORT_CONNECTION 16
jksoft 0:dde3f92088d5 61 #define C_PORT_ENABLE 17
jksoft 0:dde3f92088d5 62 #define C_PORT_SUSPEND 18
jksoft 0:dde3f92088d5 63 #define C_PORT_OVER_CURRENT 19
jksoft 0:dde3f92088d5 64 #define C_PORT_RESET 20
jksoft 0:dde3f92088d5 65
jksoft 0:dde3f92088d5 66 typedef struct {
jksoft 0:dde3f92088d5 67 u8 bm_request_type;
jksoft 0:dde3f92088d5 68 u8 b_request;
jksoft 0:dde3f92088d5 69 u16 w_value;
jksoft 0:dde3f92088d5 70 u16 w_index;
jksoft 0:dde3f92088d5 71 u16 w_length;
jksoft 0:dde3f92088d5 72 } Setup;
jksoft 0:dde3f92088d5 73
jksoft 0:dde3f92088d5 74
jksoft 0:dde3f92088d5 75 // Hub stuff is kept private just to keep api simple
jksoft 0:dde3f92088d5 76 int SetPortFeature(int device, int feature, int index);
jksoft 0:dde3f92088d5 77 int ClearPortFeature(int device, int feature, int index);
jksoft 0:dde3f92088d5 78 int SetPortPower(int device, int port);
jksoft 0:dde3f92088d5 79 int SetPortReset(int device, int port);
jksoft 0:dde3f92088d5 80 int GetPortStatus(int device, int port, u32* status);
jksoft 0:dde3f92088d5 81
jksoft 0:dde3f92088d5 82 //===================================================================
jksoft 0:dde3f92088d5 83 //===================================================================
jksoft 0:dde3f92088d5 84 // Hardware defines
jksoft 0:dde3f92088d5 85
jksoft 0:dde3f92088d5 86 // HcControl
jksoft 0:dde3f92088d5 87 #define PeriodicListEnable 0x00000004
jksoft 0:dde3f92088d5 88 #define IsochronousEnable 0x00000008
jksoft 0:dde3f92088d5 89 #define ControlListEnable 0x00000010
jksoft 0:dde3f92088d5 90 #define BulkListEnable 0x00000020
jksoft 0:dde3f92088d5 91 #define OperationalMask 0x00000080
jksoft 0:dde3f92088d5 92 #define HostControllerFunctionalState 0x000000C0
jksoft 0:dde3f92088d5 93
jksoft 0:dde3f92088d5 94 // HcCommandStatus
jksoft 0:dde3f92088d5 95 #define HostControllerReset 0x00000001
jksoft 0:dde3f92088d5 96 #define ControlListFilled 0x00000002
jksoft 0:dde3f92088d5 97 #define BulkListFilled 0x00000004
jksoft 0:dde3f92088d5 98
jksoft 0:dde3f92088d5 99 // HcInterruptStatus Register
jksoft 0:dde3f92088d5 100 #define WritebackDoneHead 0x00000002
jksoft 0:dde3f92088d5 101 #define StartofFrame 0x00000004
jksoft 0:dde3f92088d5 102 #define ResumeDetected 0x00000008
jksoft 0:dde3f92088d5 103 #define UnrecoverableError 0x00000010
jksoft 0:dde3f92088d5 104 #define FrameNumberOverflow 0x00000020
jksoft 0:dde3f92088d5 105 #define RootHubStatusChange 0x00000040
jksoft 0:dde3f92088d5 106 #define OwnershipChange 0x00000080
jksoft 0:dde3f92088d5 107 #define MasterInterruptEnable 0x80000000
jksoft 0:dde3f92088d5 108
jksoft 0:dde3f92088d5 109 // HcRhStatus
jksoft 0:dde3f92088d5 110 #define SetGlobalPower 0x00010000
jksoft 0:dde3f92088d5 111 #define DeviceRemoteWakeupEnable 0x00008000
jksoft 0:dde3f92088d5 112
jksoft 0:dde3f92088d5 113 // HcRhPortStatus (hub 0, port 1)
jksoft 0:dde3f92088d5 114 #define CurrentConnectStatus 0x00000001
jksoft 0:dde3f92088d5 115 #define PortEnableStatus 0x00000002
jksoft 0:dde3f92088d5 116 #define PortSuspendStatus 0x00000004
jksoft 0:dde3f92088d5 117 #define PortOverCurrentIndicator 0x00000008
jksoft 0:dde3f92088d5 118 #define PortResetStatus 0x00000010
jksoft 0:dde3f92088d5 119
jksoft 0:dde3f92088d5 120 #define PortPowerStatus 0x00000100
jksoft 0:dde3f92088d5 121 #define LowspeedDevice 0x00000200
jksoft 0:dde3f92088d5 122 #define HighspeedDevice 0x00000400
jksoft 0:dde3f92088d5 123
jksoft 0:dde3f92088d5 124 #define ConnectStatusChange (CurrentConnectStatus << 16)
jksoft 0:dde3f92088d5 125 #define PortResetStatusChange (PortResetStatus << 16)
jksoft 0:dde3f92088d5 126
jksoft 0:dde3f92088d5 127
jksoft 0:dde3f92088d5 128 #define TD_ROUNDING (u32)0x00040000
jksoft 0:dde3f92088d5 129 #define TD_SETUP (u32)0x00000000
jksoft 0:dde3f92088d5 130 #define TD_IN (u32)0x00100000
jksoft 0:dde3f92088d5 131 #define TD_OUT (u32)0x00080000
jksoft 0:dde3f92088d5 132 #define TD_DELAY_INT(x) (u32)((x) << 21)
jksoft 0:dde3f92088d5 133 #define TD_TOGGLE_0 (u32)0x02000000
jksoft 0:dde3f92088d5 134 #define TD_TOGGLE_1 (u32)0x03000000
jksoft 0:dde3f92088d5 135 #define TD_CC (u32)0xF0000000
jksoft 0:dde3f92088d5 136
jksoft 0:dde3f92088d5 137 // HostController EndPoint Descriptor
jksoft 0:dde3f92088d5 138 typedef struct {
jksoft 0:dde3f92088d5 139 volatile u32 Control;
jksoft 0:dde3f92088d5 140 volatile u32 TailTd;
jksoft 0:dde3f92088d5 141 volatile u32 HeadTd;
jksoft 0:dde3f92088d5 142 volatile u32 Next;
jksoft 0:dde3f92088d5 143 } HCED;
jksoft 0:dde3f92088d5 144
jksoft 0:dde3f92088d5 145 // HostController Transfer Descriptor
jksoft 0:dde3f92088d5 146 typedef struct {
jksoft 0:dde3f92088d5 147 volatile u32 Control;
jksoft 0:dde3f92088d5 148 volatile u32 CurrBufPtr;
jksoft 0:dde3f92088d5 149 volatile u32 Next;
jksoft 0:dde3f92088d5 150 volatile u32 BufEnd;
jksoft 0:dde3f92088d5 151 } HCTD;
jksoft 0:dde3f92088d5 152
jksoft 0:dde3f92088d5 153 // Host Controller Communication Area
jksoft 0:dde3f92088d5 154 typedef struct {
jksoft 0:dde3f92088d5 155 volatile u32 InterruptTable[32];
jksoft 0:dde3f92088d5 156 volatile u16 FrameNumber;
jksoft 0:dde3f92088d5 157 volatile u16 FrameNumberPad;
jksoft 0:dde3f92088d5 158 volatile u32 DoneHead;
jksoft 0:dde3f92088d5 159 volatile u8 Reserved[120];
jksoft 0:dde3f92088d5 160 } HCCA;
jksoft 0:dde3f92088d5 161
jksoft 0:dde3f92088d5 162 //====================================================================================
jksoft 0:dde3f92088d5 163 //====================================================================================
jksoft 0:dde3f92088d5 164
jksoft 0:dde3f92088d5 165 class HostController;
jksoft 0:dde3f92088d5 166 class Endpoint;
jksoft 0:dde3f92088d5 167 class Device;
jksoft 0:dde3f92088d5 168
jksoft 0:dde3f92088d5 169 // must be 3*16 bytes long
jksoft 0:dde3f92088d5 170 class Endpoint
jksoft 0:dde3f92088d5 171 {
jksoft 0:dde3f92088d5 172 public:
jksoft 0:dde3f92088d5 173 HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
jksoft 0:dde3f92088d5 174 HCTD TDHead;
jksoft 0:dde3f92088d5 175
jksoft 0:dde3f92088d5 176 enum State
jksoft 0:dde3f92088d5 177 {
jksoft 0:dde3f92088d5 178 Free,
jksoft 0:dde3f92088d5 179 NotQueued,
jksoft 0:dde3f92088d5 180 Idle,
jksoft 0:dde3f92088d5 181 SetupQueued,
jksoft 0:dde3f92088d5 182 DataQueued,
jksoft 0:dde3f92088d5 183 StatusQueued,
jksoft 0:dde3f92088d5 184 CallbackPending
jksoft 0:dde3f92088d5 185 };
jksoft 0:dde3f92088d5 186
jksoft 0:dde3f92088d5 187 volatile u8 CurrentState;
jksoft 0:dde3f92088d5 188 u8 Flags; // 0x80 In, 0x03 mask endpoint type
jksoft 0:dde3f92088d5 189
jksoft 0:dde3f92088d5 190 u16 Length;
jksoft 0:dde3f92088d5 191 u8* Data;
jksoft 0:dde3f92088d5 192 USBCallback Callback; // Must be a multiple of 16 bytes long
jksoft 0:dde3f92088d5 193 void* UserData;
jksoft 0:dde3f92088d5 194
jksoft 0:dde3f92088d5 195 int Address()
jksoft 0:dde3f92088d5 196 {
jksoft 0:dde3f92088d5 197 int ep = (EndpointDescriptor.Control >> 7) & 0xF;
jksoft 0:dde3f92088d5 198 if (ep)
jksoft 0:dde3f92088d5 199 ep |= Flags & 0x80;
jksoft 0:dde3f92088d5 200 return ep;
jksoft 0:dde3f92088d5 201 }
jksoft 0:dde3f92088d5 202
jksoft 0:dde3f92088d5 203 int Device()
jksoft 0:dde3f92088d5 204 {
jksoft 0:dde3f92088d5 205 return EndpointDescriptor.Control & 0x7F;
jksoft 0:dde3f92088d5 206 }
jksoft 0:dde3f92088d5 207
jksoft 0:dde3f92088d5 208 int Status()
jksoft 0:dde3f92088d5 209 {
jksoft 0:dde3f92088d5 210 return (TDHead.Control >> 28) & 0xF;
jksoft 0:dde3f92088d5 211 }
jksoft 0:dde3f92088d5 212
jksoft 0:dde3f92088d5 213 u32 Enqueue(u32 head)
jksoft 0:dde3f92088d5 214 {
jksoft 0:dde3f92088d5 215 if (CurrentState == NotQueued)
jksoft 0:dde3f92088d5 216 {
jksoft 0:dde3f92088d5 217 EndpointDescriptor.Next = head;
jksoft 0:dde3f92088d5 218 head = (u32)&EndpointDescriptor;
jksoft 0:dde3f92088d5 219 CurrentState = Idle;
jksoft 0:dde3f92088d5 220 }
jksoft 0:dde3f92088d5 221 return head;
jksoft 0:dde3f92088d5 222 }
jksoft 0:dde3f92088d5 223 };
jksoft 0:dde3f92088d5 224
jksoft 0:dde3f92088d5 225 class Device
jksoft 0:dde3f92088d5 226 {
jksoft 0:dde3f92088d5 227 public:
jksoft 0:dde3f92088d5 228 u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
jksoft 0:dde3f92088d5 229 u8 Hub;
jksoft 0:dde3f92088d5 230 u8 Port;
jksoft 0:dde3f92088d5 231 u8 Addr;
jksoft 0:dde3f92088d5 232 u8 Pad;
jksoft 0:dde3f92088d5 233
jksoft 0:dde3f92088d5 234 // Only if this device is a hub
jksoft 0:dde3f92088d5 235 u8 HubPortCount; // nonzero if this is a hub
jksoft 0:dde3f92088d5 236 u8 HubInterruptData;
jksoft 0:dde3f92088d5 237 u8 HubMap;
jksoft 0:dde3f92088d5 238 u8 HubMask;
jksoft 0:dde3f92088d5 239
jksoft 0:dde3f92088d5 240 int Flags; // 1 = Disconnected
jksoft 0:dde3f92088d5 241
jksoft 0:dde3f92088d5 242 Setup SetupBuffer;
jksoft 0:dde3f92088d5 243
jksoft 0:dde3f92088d5 244 // Allocate endpoint zero
jksoft 0:dde3f92088d5 245 int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
jksoft 0:dde3f92088d5 246 {
jksoft 0:dde3f92088d5 247 Hub = hub;
jksoft 0:dde3f92088d5 248 Port = port;
jksoft 0:dde3f92088d5 249 Addr = addr;
jksoft 0:dde3f92088d5 250 Flags = lowSpeed;
jksoft 0:dde3f92088d5 251 memset(_endpointMap,0xFF,sizeof(_endpointMap));
jksoft 0:dde3f92088d5 252 return 0;
jksoft 0:dde3f92088d5 253 }
jksoft 0:dde3f92088d5 254
jksoft 0:dde3f92088d5 255 int SetEndpointIndex(int ep, int endpointIndex)
jksoft 0:dde3f92088d5 256 {
jksoft 0:dde3f92088d5 257 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
jksoft 0:dde3f92088d5 258 {
jksoft 0:dde3f92088d5 259 if (_endpointMap[i] == 0xFF) // Add endpoint to map
jksoft 0:dde3f92088d5 260 {
jksoft 0:dde3f92088d5 261 _endpointMap[i] = ep;
jksoft 0:dde3f92088d5 262 _endpointMap[i+1] = endpointIndex;
jksoft 0:dde3f92088d5 263 return 0;
jksoft 0:dde3f92088d5 264 }
jksoft 0:dde3f92088d5 265 }
jksoft 0:dde3f92088d5 266 return ERR_ENDPOINT_NONE_LEFT;
jksoft 0:dde3f92088d5 267 }
jksoft 0:dde3f92088d5 268
jksoft 0:dde3f92088d5 269 int GetEndpointIndex(int ep)
jksoft 0:dde3f92088d5 270 {
jksoft 0:dde3f92088d5 271 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
jksoft 0:dde3f92088d5 272 {
jksoft 0:dde3f92088d5 273 if (_endpointMap[i] == ep)
jksoft 0:dde3f92088d5 274 return _endpointMap[i+1];
jksoft 0:dde3f92088d5 275 if (_endpointMap[i] == 0xFF)
jksoft 0:dde3f92088d5 276 break;
jksoft 0:dde3f92088d5 277 }
jksoft 0:dde3f92088d5 278 return -1;
jksoft 0:dde3f92088d5 279 }
jksoft 0:dde3f92088d5 280 };
jksoft 0:dde3f92088d5 281
jksoft 0:dde3f92088d5 282 class HostController
jksoft 0:dde3f92088d5 283 {
jksoft 0:dde3f92088d5 284 public:
jksoft 0:dde3f92088d5 285 HCCA CommunicationArea;
jksoft 0:dde3f92088d5 286 Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
jksoft 0:dde3f92088d5 287
jksoft 0:dde3f92088d5 288 Endpoint EndpointZero; // For device enumeration
jksoft 0:dde3f92088d5 289 HCTD _commonTail;
jksoft 0:dde3f92088d5 290 Setup _setupZero;
jksoft 0:dde3f92088d5 291
jksoft 0:dde3f92088d5 292 Device Devices[MAX_DEVICES];
jksoft 0:dde3f92088d5 293 u32 _frameNumber; // 32 bit ms counter
jksoft 0:dde3f92088d5 294
jksoft 0:dde3f92088d5 295 u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
jksoft 0:dde3f92088d5 296 u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
jksoft 0:dde3f92088d5 297 u8 _unused0;
jksoft 0:dde3f92088d5 298 u8 _unused1;
jksoft 0:dde3f92088d5 299
jksoft 0:dde3f92088d5 300 u8 _connectPending; // Reset has initiated a connect
jksoft 0:dde3f92088d5 301 u8 _connectCountdown; // Number of ms left after reset before we can connect
jksoft 0:dde3f92088d5 302 u8 _connectHub; // Will connect on this hub
jksoft 0:dde3f92088d5 303 u8 _connectPort; // ... and this port
jksoft 0:dde3f92088d5 304
jksoft 0:dde3f92088d5 305 u8 SRAM[0]; // Start of free SRAM
jksoft 0:dde3f92088d5 306
jksoft 0:dde3f92088d5 307 void Loop()
jksoft 0:dde3f92088d5 308 {
jksoft 0:dde3f92088d5 309 // printf("Enter Loop \r\r\n");
jksoft 0:dde3f92088d5 310 u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
jksoft 0:dde3f92088d5 311 _frameNumber += elapsed;
jksoft 0:dde3f92088d5 312
jksoft 0:dde3f92088d5 313 // Do callbacks, if any
jksoft 0:dde3f92088d5 314 while (_callbacksPending)
jksoft 0:dde3f92088d5 315 {
jksoft 0:dde3f92088d5 316 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
jksoft 0:dde3f92088d5 317 {
jksoft 0:dde3f92088d5 318 Endpoint* endpoint = Endpoints + i;
jksoft 0:dde3f92088d5 319 if (endpoint->CurrentState == Endpoint::CallbackPending)
jksoft 0:dde3f92088d5 320 {
jksoft 0:dde3f92088d5 321 _callbacksPending--;
jksoft 0:dde3f92088d5 322 endpoint->CurrentState = Endpoint::Idle;
jksoft 0:dde3f92088d5 323 LOG("CurrentState Change Idle endpoint(%d) currentState =%d\r\r\n",endpoint->Address(),endpoint->CurrentState);
jksoft 0:dde3f92088d5 324 endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
jksoft 0:dde3f92088d5 325 }
jksoft 0:dde3f92088d5 326 }
jksoft 0:dde3f92088d5 327 }
jksoft 0:dde3f92088d5 328
jksoft 0:dde3f92088d5 329 // Deal with changes on the root hub
jksoft 0:dde3f92088d5 330 if (_rootHubStatusChange)
jksoft 0:dde3f92088d5 331 {
jksoft 0:dde3f92088d5 332 u32 status = LPC_USB->HcRhPortStatus1;
jksoft 0:dde3f92088d5 333 _rootHubStatusChange = 0;
jksoft 0:dde3f92088d5 334 if (status >> 16)
jksoft 0:dde3f92088d5 335 {
jksoft 0:dde3f92088d5 336 HubStatusChange(0,1,status);
jksoft 0:dde3f92088d5 337 LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
jksoft 0:dde3f92088d5 338 }
jksoft 0:dde3f92088d5 339 }
jksoft 0:dde3f92088d5 340
jksoft 0:dde3f92088d5 341 // Connect after reset timeout
jksoft 0:dde3f92088d5 342 if (_connectCountdown)
jksoft 0:dde3f92088d5 343 {
jksoft 0:dde3f92088d5 344 if (elapsed >= _connectCountdown)
jksoft 0:dde3f92088d5 345 {
jksoft 0:dde3f92088d5 346 _connectCountdown = 0;
jksoft 0:dde3f92088d5 347 Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
jksoft 0:dde3f92088d5 348 } else
jksoft 0:dde3f92088d5 349 _connectCountdown -= elapsed;
jksoft 0:dde3f92088d5 350 }
jksoft 0:dde3f92088d5 351
jksoft 0:dde3f92088d5 352 // printf("Outer Loop \r\r\n");
jksoft 0:dde3f92088d5 353 }
jksoft 0:dde3f92088d5 354
jksoft 0:dde3f92088d5 355 // HubInterrupt - bitmap in dev->HubInterruptData
jksoft 0:dde3f92088d5 356 void HubInterrupt(int device)
jksoft 0:dde3f92088d5 357 {
jksoft 0:dde3f92088d5 358 Device* dev = &Devices[device-1];
jksoft 0:dde3f92088d5 359 for (int i = 0; i < dev->HubPortCount; i++)
jksoft 0:dde3f92088d5 360 {
jksoft 0:dde3f92088d5 361 int port = i+1;
jksoft 0:dde3f92088d5 362 if (dev->HubInterruptData & (1 << port))
jksoft 0:dde3f92088d5 363 {
jksoft 0:dde3f92088d5 364 u32 status = 0;
jksoft 0:dde3f92088d5 365 GetPortStatus(device,port,&status);
jksoft 0:dde3f92088d5 366 if (status >> 16)
jksoft 0:dde3f92088d5 367 {
jksoft 0:dde3f92088d5 368 if (_connectPending && (status & ConnectStatusChange))
jksoft 0:dde3f92088d5 369 continue; // Don't connect again until previous device has been added and addressed
jksoft 0:dde3f92088d5 370
jksoft 0:dde3f92088d5 371 HubStatusChange(device,port,status);
jksoft 0:dde3f92088d5 372 if (status & ConnectStatusChange)
jksoft 0:dde3f92088d5 373 ClearPortFeature(device,C_PORT_CONNECTION,port);
jksoft 0:dde3f92088d5 374 if (status & PortResetStatusChange)
jksoft 0:dde3f92088d5 375 ClearPortFeature(device,C_PORT_RESET,port);
jksoft 0:dde3f92088d5 376 }
jksoft 0:dde3f92088d5 377 }
jksoft 0:dde3f92088d5 378 }
jksoft 0:dde3f92088d5 379 }
jksoft 0:dde3f92088d5 380
jksoft 0:dde3f92088d5 381 static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
jksoft 0:dde3f92088d5 382 {
jksoft 0:dde3f92088d5 383 HostController* controller = (HostController*)userData;
jksoft 0:dde3f92088d5 384 if (status == 0)
jksoft 0:dde3f92088d5 385 controller->HubInterrupt(device);
jksoft 0:dde3f92088d5 386 USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
jksoft 0:dde3f92088d5 387 }
jksoft 0:dde3f92088d5 388
jksoft 0:dde3f92088d5 389 int InitHub(int device)
jksoft 0:dde3f92088d5 390 {
jksoft 0:dde3f92088d5 391 u8 buf[16];
jksoft 0:dde3f92088d5 392 int r= USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
jksoft 0:dde3f92088d5 393 if (r < 0)
jksoft 0:dde3f92088d5 394 return ERR_HUB_INIT_FAILED;
jksoft 0:dde3f92088d5 395
jksoft 0:dde3f92088d5 396 // turn on power on the hubs ports
jksoft 0:dde3f92088d5 397 Device* dev = &Devices[device-1];
jksoft 0:dde3f92088d5 398 int ports = buf[2];
jksoft 0:dde3f92088d5 399 dev->HubPortCount = ports;
jksoft 0:dde3f92088d5 400 for (int i = 0; i < ports; i++)
jksoft 0:dde3f92088d5 401 SetPortPower(device,i+1);
jksoft 0:dde3f92088d5 402
jksoft 0:dde3f92088d5 403 // Enable hub change interrupts
jksoft 0:dde3f92088d5 404 return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
jksoft 0:dde3f92088d5 405 }
jksoft 0:dde3f92088d5 406
jksoft 0:dde3f92088d5 407 int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
jksoft 0:dde3f92088d5 408 {
jksoft 0:dde3f92088d5 409 LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\r\r\n",device,ep,attributes,maxPacketSize,interval);
jksoft 0:dde3f92088d5 410 Device* dev = &Devices[device-1];
jksoft 0:dde3f92088d5 411 Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
jksoft 0:dde3f92088d5 412 if (!endpoint)
jksoft 0:dde3f92088d5 413 return ERR_ENDPOINT_NONE_LEFT;
jksoft 0:dde3f92088d5 414 dev->SetEndpointIndex(ep,endpoint - Endpoints);
jksoft 0:dde3f92088d5 415 endpoint->EndpointDescriptor.Control |= dev->Flags; // Map in slow speed
jksoft 0:dde3f92088d5 416 return 0; // TODO ed->bInterval
jksoft 0:dde3f92088d5 417 }
jksoft 0:dde3f92088d5 418
jksoft 0:dde3f92088d5 419 int AddEndpoint(int device, EndpointDescriptor* ed)
jksoft 0:dde3f92088d5 420 {
jksoft 0:dde3f92088d5 421 return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
jksoft 0:dde3f92088d5 422 }
jksoft 0:dde3f92088d5 423
jksoft 0:dde3f92088d5 424 // allocate a endpoint
jksoft 0:dde3f92088d5 425 Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
jksoft 0:dde3f92088d5 426 {
jksoft 0:dde3f92088d5 427 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
jksoft 0:dde3f92088d5 428 {
jksoft 0:dde3f92088d5 429 Endpoint* ep = &Endpoints[i];
jksoft 0:dde3f92088d5 430 if (ep->CurrentState == 0)
jksoft 0:dde3f92088d5 431 {
jksoft 0:dde3f92088d5 432 //LOG("Allocated endpoint %d to %02X:%02X\r\r\n",i,device,endpointAddress);
jksoft 0:dde3f92088d5 433 ep->Flags = (endpointAddress & 0x80) | (type & 3);
jksoft 0:dde3f92088d5 434 ep->CurrentState = Endpoint::NotQueued;
jksoft 0:dde3f92088d5 435 ep->EndpointDescriptor.Control = (maxPacketSize << 16) | ((endpointAddress & 0x7F) << 7) | device;
jksoft 0:dde3f92088d5 436 return ep;
jksoft 0:dde3f92088d5 437 }
jksoft 0:dde3f92088d5 438 }
jksoft 0:dde3f92088d5 439 return 0;
jksoft 0:dde3f92088d5 440 }
jksoft 0:dde3f92088d5 441
jksoft 0:dde3f92088d5 442 Endpoint* GetEndpoint(int device, int ep)
jksoft 0:dde3f92088d5 443 {
jksoft 0:dde3f92088d5 444 if (device == 0)
jksoft 0:dde3f92088d5 445 {
jksoft 0:dde3f92088d5 446 //printf("WARNING: USING DEVICE 0\r\n");
jksoft 0:dde3f92088d5 447 return &EndpointZero;
jksoft 0:dde3f92088d5 448 }
jksoft 0:dde3f92088d5 449 if (device > MAX_DEVICES)
jksoft 0:dde3f92088d5 450 return 0;
jksoft 0:dde3f92088d5 451 int i = Devices[device-1].GetEndpointIndex(ep);
jksoft 0:dde3f92088d5 452 if (i == -1)
jksoft 0:dde3f92088d5 453 return 0;
jksoft 0:dde3f92088d5 454 return Endpoints + i;
jksoft 0:dde3f92088d5 455 }
jksoft 0:dde3f92088d5 456
jksoft 0:dde3f92088d5 457 int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
jksoft 0:dde3f92088d5 458 {
jksoft 0:dde3f92088d5 459 //Makoto edit comment out
jksoft 0:dde3f92088d5 460 // LOG("Transfer start\r\r\n");
jksoft 0:dde3f92088d5 461 LOG("Transfer ep=%02X Token:%d Len:%d State:%d\r\r\n",endpoint->Address(),token,len,state);
jksoft 0:dde3f92088d5 462
jksoft 0:dde3f92088d5 463 int toggle = 0;
jksoft 0:dde3f92088d5 464 if (endpoint->Address() == 0)
jksoft 0:dde3f92088d5 465 toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
jksoft 0:dde3f92088d5 466
jksoft 0:dde3f92088d5 467 if (token != TOKEN_SETUP)
jksoft 0:dde3f92088d5 468 token = (token == TOKEN_IN ? TD_IN : TD_OUT);
jksoft 0:dde3f92088d5 469
jksoft 0:dde3f92088d5 470 HCTD* head = &endpoint->TDHead;
jksoft 0:dde3f92088d5 471 HCTD* tail = &_commonTail;
jksoft 0:dde3f92088d5 472
jksoft 0:dde3f92088d5 473 head->Control = TD_ROUNDING | token | TD_DELAY_INT(0) | toggle | TD_CC;
jksoft 0:dde3f92088d5 474 head->CurrBufPtr = (u32)data;
jksoft 0:dde3f92088d5 475 head->BufEnd = (u32)(data + len - 1);
jksoft 0:dde3f92088d5 476 head->Next = (u32)tail;
jksoft 0:dde3f92088d5 477
jksoft 0:dde3f92088d5 478 HCED* ed = &endpoint->EndpointDescriptor;
jksoft 0:dde3f92088d5 479 ed->HeadTd = (u32)head | (ed->HeadTd & 0x00000002); // carry toggle
jksoft 0:dde3f92088d5 480 ed->TailTd = (u32)tail;
jksoft 0:dde3f92088d5 481
jksoft 0:dde3f92088d5 482 //HCTD* td = head;
jksoft 0:dde3f92088d5 483 //LOG("%04X TD %08X %08X %08X Next:%08X\r\r\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
jksoft 0:dde3f92088d5 484 //LOG("%04X ED %08X %08X %08X\r\r\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
jksoft 0:dde3f92088d5 485
jksoft 0:dde3f92088d5 486 //LOG("Transfer run01\r\r\n");
jksoft 0:dde3f92088d5 487 switch (endpoint->Flags & 3)
jksoft 0:dde3f92088d5 488 {
jksoft 0:dde3f92088d5 489 case ENDPOINT_CONTROL:
jksoft 0:dde3f92088d5 490 LOG("Transfer run ENDPOINT_CONTROL\r\r\n");
jksoft 0:dde3f92088d5 491 LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
jksoft 0:dde3f92088d5 492 //LOG("Transfer run02\r\r\n");
jksoft 0:dde3f92088d5 493 LOG("endpoint->CurrentState change %d->%d\r\r\n",endpoint->CurrentState,state);
jksoft 0:dde3f92088d5 494 endpoint->CurrentState = state; // Get in before an int
jksoft 0:dde3f92088d5 495 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | ControlListFilled;
jksoft 0:dde3f92088d5 496 LPC_USB->HcControl = LPC_USB->HcControl | ControlListEnable;
jksoft 0:dde3f92088d5 497
jksoft 0:dde3f92088d5 498 break;
jksoft 0:dde3f92088d5 499
jksoft 0:dde3f92088d5 500 case ENDPOINT_BULK:
jksoft 0:dde3f92088d5 501 LOG("Transfer run ENDPOINT_BULK\r\r\n");
jksoft 0:dde3f92088d5 502 LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
jksoft 0:dde3f92088d5 503 LOG("endpoint->CurrentState change %d->%d\r\r\n",endpoint->CurrentState,state);
jksoft 0:dde3f92088d5 504 endpoint->CurrentState = state;
jksoft 0:dde3f92088d5 505 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | BulkListFilled;
jksoft 0:dde3f92088d5 506 LPC_USB->HcControl = LPC_USB->HcControl | BulkListEnable;
jksoft 0:dde3f92088d5 507 break;
jksoft 0:dde3f92088d5 508
jksoft 0:dde3f92088d5 509 case ENDPOINT_INTERRUPT:
jksoft 0:dde3f92088d5 510 LOG("Transfer run ENDPOINT_INTERRUPT\r\r\n");
jksoft 0:dde3f92088d5 511 CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
jksoft 0:dde3f92088d5 512 LOG("endpoint->CurrentState change %d->%d\r\r\n",endpoint->CurrentState,state);
jksoft 0:dde3f92088d5 513 endpoint->CurrentState = state;
jksoft 0:dde3f92088d5 514 LPC_USB->HcControl |= PeriodicListEnable;
jksoft 0:dde3f92088d5 515 break;
jksoft 0:dde3f92088d5 516 }
jksoft 0:dde3f92088d5 517
jksoft 0:dde3f92088d5 518 LOG("Transfer end\r\r\n");
jksoft 0:dde3f92088d5 519 return 0;
jksoft 0:dde3f92088d5 520 }
jksoft 0:dde3f92088d5 521
jksoft 0:dde3f92088d5 522 // Remove an endpoint from an active queue
jksoft 0:dde3f92088d5 523 bool Remove(HCED* ed, volatile HCED** queue)
jksoft 0:dde3f92088d5 524 {
jksoft 0:dde3f92088d5 525 if (*queue == 0)
jksoft 0:dde3f92088d5 526 return false;
jksoft 0:dde3f92088d5 527 if (*queue == (volatile HCED*)ed)
jksoft 0:dde3f92088d5 528 {
jksoft 0:dde3f92088d5 529 *queue = (volatile HCED*)ed->Next; // At head of queue
jksoft 0:dde3f92088d5 530 return true;
jksoft 0:dde3f92088d5 531 }
jksoft 0:dde3f92088d5 532
jksoft 0:dde3f92088d5 533 volatile HCED* head = *queue;
jksoft 0:dde3f92088d5 534 while (head)
jksoft 0:dde3f92088d5 535 {
jksoft 0:dde3f92088d5 536 if (head->Next == (u32)ed)
jksoft 0:dde3f92088d5 537 {
jksoft 0:dde3f92088d5 538 head->Next = ed->Next;
jksoft 0:dde3f92088d5 539 return true;
jksoft 0:dde3f92088d5 540 }
jksoft 0:dde3f92088d5 541 head = (volatile HCED*)head->Next;
jksoft 0:dde3f92088d5 542 }
jksoft 0:dde3f92088d5 543 return false;
jksoft 0:dde3f92088d5 544 }
jksoft 0:dde3f92088d5 545
jksoft 0:dde3f92088d5 546 void Release(Endpoint* endpoint)
jksoft 0:dde3f92088d5 547 {
jksoft 0:dde3f92088d5 548 if (endpoint->CurrentState == Endpoint::NotQueued)
jksoft 0:dde3f92088d5 549 {
jksoft 0:dde3f92088d5 550 // Never event used it, nothing to do
jksoft 0:dde3f92088d5 551 }
jksoft 0:dde3f92088d5 552 else
jksoft 0:dde3f92088d5 553 {
jksoft 0:dde3f92088d5 554 HCED* ed = (HCED*)endpoint;
jksoft 0:dde3f92088d5 555 ed->Control |= 0x4000; // SKIP
jksoft 0:dde3f92088d5 556 switch (endpoint->Flags & 0x03)
jksoft 0:dde3f92088d5 557 {
jksoft 0:dde3f92088d5 558 case ENDPOINT_CONTROL:
jksoft 0:dde3f92088d5 559 Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
jksoft 0:dde3f92088d5 560 break;
jksoft 0:dde3f92088d5 561 case ENDPOINT_BULK:
jksoft 0:dde3f92088d5 562 Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
jksoft 0:dde3f92088d5 563 break;
jksoft 0:dde3f92088d5 564 case ENDPOINT_INTERRUPT:
jksoft 0:dde3f92088d5 565 for (int i = 0; i < 32; i++)
jksoft 0:dde3f92088d5 566 Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
jksoft 0:dde3f92088d5 567 break;
jksoft 0:dde3f92088d5 568 }
jksoft 0:dde3f92088d5 569
jksoft 0:dde3f92088d5 570 u16 fn = CommunicationArea.FrameNumber;
jksoft 0:dde3f92088d5 571 while (fn == CommunicationArea.FrameNumber)
jksoft 0:dde3f92088d5 572 ; // Wait for next frame
jksoft 0:dde3f92088d5 573
jksoft 0:dde3f92088d5 574 }
jksoft 0:dde3f92088d5 575
jksoft 0:dde3f92088d5 576 // In theory, the endpoint is now dead.
jksoft 0:dde3f92088d5 577 // TODO: Will Callbacks ever be pending? BUGBUG
jksoft 0:dde3f92088d5 578 memset(endpoint,0,sizeof(Endpoint));
jksoft 0:dde3f92088d5 579 }
jksoft 0:dde3f92088d5 580
jksoft 0:dde3f92088d5 581 // Pop the last TD from the list
jksoft 0:dde3f92088d5 582 HCTD* Reverse(HCTD* current)
jksoft 0:dde3f92088d5 583 {
jksoft 0:dde3f92088d5 584 HCTD *result = NULL,*temp;
jksoft 0:dde3f92088d5 585 while (current)
jksoft 0:dde3f92088d5 586 {
jksoft 0:dde3f92088d5 587 temp = (HCTD*)current->Next;
jksoft 0:dde3f92088d5 588 current->Next = (u32)result;
jksoft 0:dde3f92088d5 589 result = current;
jksoft 0:dde3f92088d5 590 current = temp;
jksoft 0:dde3f92088d5 591 }
jksoft 0:dde3f92088d5 592 return result;
jksoft 0:dde3f92088d5 593 }
jksoft 0:dde3f92088d5 594
jksoft 0:dde3f92088d5 595 // Called from interrupt...
jksoft 0:dde3f92088d5 596 // Control endpoints use a state machine to progress through the transfers
jksoft 0:dde3f92088d5 597 void ProcessDoneQueue(u32 tdList)
jksoft 0:dde3f92088d5 598 {
jksoft 0:dde3f92088d5 599
jksoft 0:dde3f92088d5 600 LOG("<<ProcessDoneQueue enter>>\r\r\n");
jksoft 0:dde3f92088d5 601 HCTD* list = Reverse((HCTD*)tdList);
jksoft 0:dde3f92088d5 602 while (list)
jksoft 0:dde3f92088d5 603 {
jksoft 0:dde3f92088d5 604 Endpoint* endpoint = (Endpoint*)(list-1);
jksoft 0:dde3f92088d5 605 list = (HCTD*)list->Next;
jksoft 0:dde3f92088d5 606 int ep = endpoint->Address();
jksoft 0:dde3f92088d5 607 bool in = endpoint->Flags & 0x80;
jksoft 0:dde3f92088d5 608 int status = (endpoint->TDHead.Control >> 28) & 0xF;
jksoft 0:dde3f92088d5 609
jksoft 0:dde3f92088d5 610 //LOG("ProcessDoneQueue %02X %08X\r\r\n",ep,endpoint->TDHead.Control);
jksoft 0:dde3f92088d5 611
jksoft 0:dde3f92088d5 612 if (status != 0)
jksoft 0:dde3f92088d5 613 {
jksoft 0:dde3f92088d5 614 LOG("ProcessDoneQueue status %02X %d\r\r\n",ep,status);
jksoft 0:dde3f92088d5 615 LOG("CurrentState Change Idle endpoint(%d) currentState =%d\r\r\n",endpoint->Address(),endpoint->CurrentState);
jksoft 0:dde3f92088d5 616 endpoint->CurrentState = Endpoint::Idle;
jksoft 0:dde3f92088d5 617
jksoft 0:dde3f92088d5 618
jksoft 0:dde3f92088d5 619 } else {
jksoft 0:dde3f92088d5 620 switch (endpoint->CurrentState)
jksoft 0:dde3f92088d5 621 {
jksoft 0:dde3f92088d5 622 case Endpoint::SetupQueued:
jksoft 0:dde3f92088d5 623 if (endpoint->Length == 0)
jksoft 0:dde3f92088d5 624 {
jksoft 0:dde3f92088d5 625 LOG("ProcessDoneQueue endpoint->Length == 0 endpoint->CurrentState=%d\r\r\n",endpoint->CurrentState);
jksoft 0:dde3f92088d5 626 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
jksoft 0:dde3f92088d5 627 }
jksoft 0:dde3f92088d5 628 else
jksoft 0:dde3f92088d5 629 {
jksoft 0:dde3f92088d5 630 LOG("ProcessDoneQueue endpoint->Length != 0 endpoint->CurrentState=%d\r\r\n",endpoint->CurrentState);
jksoft 0:dde3f92088d5 631 Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
jksoft 0:dde3f92088d5 632 }
jksoft 0:dde3f92088d5 633 break;
jksoft 0:dde3f92088d5 634
jksoft 0:dde3f92088d5 635 case Endpoint::DataQueued:
jksoft 0:dde3f92088d5 636 if (endpoint->TDHead.CurrBufPtr)
jksoft 0:dde3f92088d5 637 endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
jksoft 0:dde3f92088d5 638
jksoft 0:dde3f92088d5 639 if (ep == 0)
jksoft 0:dde3f92088d5 640 {
jksoft 0:dde3f92088d5 641 LOG("ProcessDoneQueue ep == 0 endpoint->CurrentState=%d\r\r\n",endpoint->CurrentState);
jksoft 0:dde3f92088d5 642 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
jksoft 0:dde3f92088d5 643 }
jksoft 0:dde3f92088d5 644 else
jksoft 0:dde3f92088d5 645 {
jksoft 0:dde3f92088d5 646
jksoft 0:dde3f92088d5 647 LOG("ProcessDoneQueue ep != 0 endpoint->CurrentState=%d\r\r\n",endpoint->CurrentState);
jksoft 0:dde3f92088d5 648 endpoint->CurrentState = Endpoint::Idle;
jksoft 0:dde3f92088d5 649 LOG("CurrentState Change Idle endpoint(%d) currentState =%d\r\r\n",endpoint->Address(),endpoint->CurrentState);
jksoft 0:dde3f92088d5 650 }
jksoft 0:dde3f92088d5 651 break;
jksoft 0:dde3f92088d5 652
jksoft 0:dde3f92088d5 653 case Endpoint::StatusQueued: // Transaction is done
jksoft 0:dde3f92088d5 654 LOG("CurrentState Change Idle endpoint(%d) currentState =%d\r\r\n",endpoint->Address(),endpoint->CurrentState);
jksoft 0:dde3f92088d5 655 endpoint->CurrentState = Endpoint::Idle;
jksoft 0:dde3f92088d5 656 break;
jksoft 0:dde3f92088d5 657 }
jksoft 0:dde3f92088d5 658 }
jksoft 0:dde3f92088d5 659
jksoft 0:dde3f92088d5 660 // Complete, flag if we need a callback
jksoft 0:dde3f92088d5 661 if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
jksoft 0:dde3f92088d5 662 {
jksoft 0:dde3f92088d5 663 endpoint->CurrentState = Endpoint::CallbackPending;
jksoft 0:dde3f92088d5 664 _callbacksPending++;
jksoft 0:dde3f92088d5 665 }
jksoft 0:dde3f92088d5 666 }
jksoft 0:dde3f92088d5 667 LOG("<<ProcessDoneQueue out>>\r\r\n");
jksoft 0:dde3f92088d5 668 }
jksoft 0:dde3f92088d5 669
jksoft 0:dde3f92088d5 670 // Hack to reset devices that don't want to connect
jksoft 0:dde3f92088d5 671 int AddDevice(int hub, int port, bool isLowSpeed)
jksoft 0:dde3f92088d5 672 {
jksoft 0:dde3f92088d5 673 int device = AddDeviceCore(hub,port,isLowSpeed);
jksoft 0:dde3f92088d5 674 if (device < 0)
jksoft 0:dde3f92088d5 675 {
jksoft 0:dde3f92088d5 676 LOG("========RETRY ADD DEVICE========\r\r\n"); // This will go for ever.. TODO power cycle root?
jksoft 0:dde3f92088d5 677 Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
jksoft 0:dde3f92088d5 678 ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
jksoft 0:dde3f92088d5 679 return -1;
jksoft 0:dde3f92088d5 680 }
jksoft 0:dde3f92088d5 681 return device;
jksoft 0:dde3f92088d5 682 }
jksoft 0:dde3f92088d5 683
jksoft 0:dde3f92088d5 684 int AddDeviceCore(int hub, int port, bool isLowSpeed)
jksoft 0:dde3f92088d5 685 {
jksoft 0:dde3f92088d5 686 int lowSpeed = isLowSpeed ? 0x2000 : 0;
jksoft 0:dde3f92088d5 687 DeviceDescriptor desc;
jksoft 0:dde3f92088d5 688 EndpointZero.EndpointDescriptor.Control = (8 << 16) | lowSpeed; // MaxPacketSize == 8
jksoft 0:dde3f92088d5 689 int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
jksoft 0:dde3f92088d5 690 if (r < 0)
jksoft 0:dde3f92088d5 691 {
jksoft 0:dde3f92088d5 692 LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\r\r\n");
jksoft 0:dde3f92088d5 693 return r;
jksoft 0:dde3f92088d5 694 }
jksoft 0:dde3f92088d5 695
jksoft 0:dde3f92088d5 696 EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) | lowSpeed; // Actual MaxPacketSize
jksoft 0:dde3f92088d5 697 r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
jksoft 0:dde3f92088d5 698 if (r < 0)
jksoft 0:dde3f92088d5 699 return r;
jksoft 0:dde3f92088d5 700
jksoft 0:dde3f92088d5 701 LOG("\r\nClass %02X found %04X:%04X\r\r\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
jksoft 0:dde3f92088d5 702
jksoft 0:dde3f92088d5 703 // Now assign the device an address, move off EndpointZero
jksoft 0:dde3f92088d5 704 int device = 0;
jksoft 0:dde3f92088d5 705 for (int i = 0; i < MAX_DEVICES; i++)
jksoft 0:dde3f92088d5 706 {
jksoft 0:dde3f92088d5 707 if (Devices[i].Port == 0)
jksoft 0:dde3f92088d5 708 {
jksoft 0:dde3f92088d5 709 device = i+1;
jksoft 0:dde3f92088d5 710 break;
jksoft 0:dde3f92088d5 711 }
jksoft 0:dde3f92088d5 712 }
jksoft 0:dde3f92088d5 713 if (!device)
jksoft 0:dde3f92088d5 714 return ERR_DEVICE_NONE_LEFT;
jksoft 0:dde3f92088d5 715
jksoft 0:dde3f92088d5 716 r = SetAddress(0,device);
jksoft 0:dde3f92088d5 717 if (r)
jksoft 0:dde3f92088d5 718 return r;
jksoft 0:dde3f92088d5 719 DelayMS(2);
jksoft 0:dde3f92088d5 720
jksoft 0:dde3f92088d5 721 // Now at a nonzero address, create control endpoint
jksoft 0:dde3f92088d5 722 Device* dev = &Devices[device-1];
jksoft 0:dde3f92088d5 723 dev->Init(&desc,hub,port,device,lowSpeed);
jksoft 0:dde3f92088d5 724 AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
jksoft 0:dde3f92088d5 725 _connectPending = 0;
jksoft 0:dde3f92088d5 726
jksoft 0:dde3f92088d5 727 // Verify this all works
jksoft 0:dde3f92088d5 728 r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
jksoft 0:dde3f92088d5 729 if (r < 0)
jksoft 0:dde3f92088d5 730 return r;
jksoft 0:dde3f92088d5 731
jksoft 0:dde3f92088d5 732 // Set to interface 0 by default
jksoft 0:dde3f92088d5 733 // Calls LoadDevice if interface is found
jksoft 0:dde3f92088d5 734 r = SetConfigurationAndInterface(device,1,0,&desc);
jksoft 0:dde3f92088d5 735
jksoft 0:dde3f92088d5 736 if (desc.bDeviceClass == CLASS_HUB)
jksoft 0:dde3f92088d5 737 InitHub(device); // Handle hubs in this code
jksoft 0:dde3f92088d5 738
jksoft 0:dde3f92088d5 739 return device;
jksoft 0:dde3f92088d5 740 }
jksoft 0:dde3f92088d5 741
jksoft 0:dde3f92088d5 742 // Walk descriptors and create endpoints for a given device
jksoft 0:dde3f92088d5 743 // TODO configuration !=1, alternate settings etc.
jksoft 0:dde3f92088d5 744 int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
jksoft 0:dde3f92088d5 745 {
jksoft 0:dde3f92088d5 746 u8 buffer[255];
jksoft 0:dde3f92088d5 747 int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
jksoft 0:dde3f92088d5 748 if (err < 0)
jksoft 0:dde3f92088d5 749 return err;
jksoft 0:dde3f92088d5 750
jksoft 0:dde3f92088d5 751 err = SetConfiguration(device,configuration);
jksoft 0:dde3f92088d5 752 if (err < 0)
jksoft 0:dde3f92088d5 753 return err;
jksoft 0:dde3f92088d5 754
jksoft 0:dde3f92088d5 755 // Add the endpoints for this interface
jksoft 0:dde3f92088d5 756 int len = buffer[2] | (buffer[3] << 8);
jksoft 0:dde3f92088d5 757 u8* d = buffer;
jksoft 0:dde3f92088d5 758 u8* end = d + len;
jksoft 0:dde3f92088d5 759 InterfaceDescriptor* found = 0;
jksoft 0:dde3f92088d5 760 while (d < end)
jksoft 0:dde3f92088d5 761 {
jksoft 0:dde3f92088d5 762 if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
jksoft 0:dde3f92088d5 763 {
jksoft 0:dde3f92088d5 764 InterfaceDescriptor* id = (InterfaceDescriptor*)d;
jksoft 0:dde3f92088d5 765 if (id->bInterfaceNumber == interfaceNumber)
jksoft 0:dde3f92088d5 766 {
jksoft 0:dde3f92088d5 767 found = id;
jksoft 0:dde3f92088d5 768 d += d[0];
jksoft 0:dde3f92088d5 769 while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
jksoft 0:dde3f92088d5 770 {
jksoft 0:dde3f92088d5 771 switch (d[1])
jksoft 0:dde3f92088d5 772 {
jksoft 0:dde3f92088d5 773 case DESCRIPTOR_TYPE_ENDPOINT:
jksoft 0:dde3f92088d5 774 AddEndpoint(device,(EndpointDescriptor*)d);
jksoft 0:dde3f92088d5 775 break;
jksoft 0:dde3f92088d5 776 default:
jksoft 0:dde3f92088d5 777 LOG("Skipping descriptor %02X (%d bytes)\r\r\n",d[1],d[0]);
jksoft 0:dde3f92088d5 778 }
jksoft 0:dde3f92088d5 779 d += d[0];
jksoft 0:dde3f92088d5 780 }
jksoft 0:dde3f92088d5 781 }
jksoft 0:dde3f92088d5 782 }
jksoft 0:dde3f92088d5 783 d += d[0];
jksoft 0:dde3f92088d5 784 }
jksoft 0:dde3f92088d5 785
jksoft 0:dde3f92088d5 786 if (!found)
jksoft 0:dde3f92088d5 787 return ERR_INTERFACE_NOT_FOUND;
jksoft 0:dde3f92088d5 788 OnLoadDevice(device,desc,found);
jksoft 0:dde3f92088d5 789 return 0;
jksoft 0:dde3f92088d5 790 }
jksoft 0:dde3f92088d5 791
jksoft 0:dde3f92088d5 792 void Init()
jksoft 0:dde3f92088d5 793 {
jksoft 0:dde3f92088d5 794 LOG("USB INIT (Controller is %d bytes)\r\r\n",sizeof(*this));
jksoft 0:dde3f92088d5 795 memset(this,0,sizeof(HostController));
jksoft 0:dde3f92088d5 796 EndpointZero.CurrentState = Endpoint::NotQueued;
jksoft 0:dde3f92088d5 797 HWInit(&CommunicationArea);
jksoft 0:dde3f92088d5 798 DelayMS(10);
jksoft 0:dde3f92088d5 799 }
jksoft 0:dde3f92088d5 800
jksoft 0:dde3f92088d5 801 void ResetPort(int hub, int port)
jksoft 0:dde3f92088d5 802 {
jksoft 0:dde3f92088d5 803 LOG("ResetPort Hub:%d Port:%d\r\r\n",hub,port);
jksoft 0:dde3f92088d5 804 _connectPending++; // Only reset/add 1 device at a time
jksoft 0:dde3f92088d5 805 if (hub == 0)
jksoft 0:dde3f92088d5 806 LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
jksoft 0:dde3f92088d5 807 else
jksoft 0:dde3f92088d5 808 SetPortReset(hub,port); // or reset other hub
jksoft 0:dde3f92088d5 809 }
jksoft 0:dde3f92088d5 810
jksoft 0:dde3f92088d5 811 void Disconnect(int hub, int port)
jksoft 0:dde3f92088d5 812 {
jksoft 0:dde3f92088d5 813 LOG("Disconnect Hub:%d Port:%d\r\r\n",hub,port); // Mark a device for destruction
jksoft 0:dde3f92088d5 814 for (int i = 0; i < MAX_DEVICES; i++)
jksoft 0:dde3f92088d5 815 {
jksoft 0:dde3f92088d5 816 Device* dev = Devices + i;
jksoft 0:dde3f92088d5 817 if (dev->Port == port && dev->Hub == hub)
jksoft 0:dde3f92088d5 818 {
jksoft 0:dde3f92088d5 819 // Disconnect everything that is attached to this device if it is a hub
jksoft 0:dde3f92088d5 820 for (int p = 0; p < dev->HubPortCount; p++)
jksoft 0:dde3f92088d5 821 Disconnect(i+1,p+1);
jksoft 0:dde3f92088d5 822
jksoft 0:dde3f92088d5 823 // Now release endpoints
jksoft 0:dde3f92088d5 824 for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
jksoft 0:dde3f92088d5 825 {
jksoft 0:dde3f92088d5 826 u8 endpointIndex = dev->_endpointMap[j];
jksoft 0:dde3f92088d5 827 if (endpointIndex != 0xFF)
jksoft 0:dde3f92088d5 828 Release(Endpoints + endpointIndex);
jksoft 0:dde3f92088d5 829 }
jksoft 0:dde3f92088d5 830 dev->Port = 0; // Device is now free
jksoft 0:dde3f92088d5 831 dev->Flags = 0;
jksoft 0:dde3f92088d5 832 return;
jksoft 0:dde3f92088d5 833 }
jksoft 0:dde3f92088d5 834 }
jksoft 0:dde3f92088d5 835 }
jksoft 0:dde3f92088d5 836
jksoft 0:dde3f92088d5 837 // called after reset
jksoft 0:dde3f92088d5 838 void Connect(int hub, int port, bool lowspeed)
jksoft 0:dde3f92088d5 839 {
jksoft 0:dde3f92088d5 840 LOG("Connect Hub:%d Port:%d %s\r\r\n",hub,port,lowspeed ? "slow" : "full");
jksoft 0:dde3f92088d5 841 AddDevice(hub,port,lowspeed);
jksoft 0:dde3f92088d5 842 }
jksoft 0:dde3f92088d5 843
jksoft 0:dde3f92088d5 844 // Called from interrupt
jksoft 0:dde3f92088d5 845 void HubStatusChange(int hub, int port, u32 status)
jksoft 0:dde3f92088d5 846 {
jksoft 0:dde3f92088d5 847 LOG("HubStatusChange Hub:%d Port:%d %08X\r\r\n",hub,port,status);
jksoft 0:dde3f92088d5 848 if (status & ConnectStatusChange)
jksoft 0:dde3f92088d5 849 {
jksoft 0:dde3f92088d5 850 if (status & CurrentConnectStatus) // Connecting
jksoft 0:dde3f92088d5 851 ResetPort(hub,port); // Reset to initiate connect (state machine?)
jksoft 0:dde3f92088d5 852 else
jksoft 0:dde3f92088d5 853 Disconnect(hub,port);
jksoft 0:dde3f92088d5 854 }
jksoft 0:dde3f92088d5 855
jksoft 0:dde3f92088d5 856 if (status & PortResetStatusChange)
jksoft 0:dde3f92088d5 857 {
jksoft 0:dde3f92088d5 858 if (!(status & PortResetStatus))
jksoft 0:dde3f92088d5 859 {
jksoft 0:dde3f92088d5 860 _connectCountdown = 200; // Schedule a connection in 200ms
jksoft 0:dde3f92088d5 861 if (status & LowspeedDevice)
jksoft 0:dde3f92088d5 862 port |= 0x80;
jksoft 0:dde3f92088d5 863 _connectHub = hub;
jksoft 0:dde3f92088d5 864 _connectPort = port;
jksoft 0:dde3f92088d5 865 }
jksoft 0:dde3f92088d5 866 }
jksoft 0:dde3f92088d5 867 }
jksoft 0:dde3f92088d5 868
jksoft 0:dde3f92088d5 869 #define HOST_CLK_EN (1<<0)
jksoft 0:dde3f92088d5 870 #define PORTSEL_CLK_EN (1<<3)
jksoft 0:dde3f92088d5 871 #define AHB_CLK_EN (1<<4)
jksoft 0:dde3f92088d5 872 #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
jksoft 0:dde3f92088d5 873
jksoft 0:dde3f92088d5 874 #define FRAMEINTERVAL (12000-1) // 1ms
jksoft 0:dde3f92088d5 875 #define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) | FRAMEINTERVAL)
jksoft 0:dde3f92088d5 876
jksoft 0:dde3f92088d5 877 void DelayMS(int ms)
jksoft 0:dde3f92088d5 878 {
jksoft 0:dde3f92088d5 879 u16 f = ms + CommunicationArea.FrameNumber;
jksoft 0:dde3f92088d5 880 while (f != CommunicationArea.FrameNumber)
jksoft 0:dde3f92088d5 881 ;
jksoft 0:dde3f92088d5 882 }
jksoft 0:dde3f92088d5 883
jksoft 0:dde3f92088d5 884 static void HWInit(HCCA* cca)
jksoft 0:dde3f92088d5 885 {
jksoft 0:dde3f92088d5 886 NVIC_DisableIRQ(USB_IRQn);
jksoft 0:dde3f92088d5 887
jksoft 0:dde3f92088d5 888 // turn on power for USB
jksoft 0:dde3f92088d5 889 LPC_SC->PCONP |= (1UL<<31);
jksoft 0:dde3f92088d5 890 // Enable USB host clock, port selection and AHB clock
jksoft 0:dde3f92088d5 891 LPC_USB->USBClkCtrl |= CLOCK_MASK;
jksoft 0:dde3f92088d5 892 // Wait for clocks to become available
jksoft 0:dde3f92088d5 893 while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
jksoft 0:dde3f92088d5 894 ;
jksoft 0:dde3f92088d5 895
jksoft 0:dde3f92088d5 896 // We are a Host
jksoft 0:dde3f92088d5 897 LPC_USB->OTGStCtrl |= 1;
jksoft 0:dde3f92088d5 898 LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
jksoft 0:dde3f92088d5 899
jksoft 0:dde3f92088d5 900 // configure USB pins
jksoft 0:dde3f92088d5 901 LPC_PINCON->PINSEL1 &= ~((3<<26)|(3<<28));
jksoft 0:dde3f92088d5 902 LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // USB D+/D-
jksoft 0:dde3f92088d5 903
jksoft 0:dde3f92088d5 904 LPC_PINCON->PINSEL3 &= ~((3 << 6) | (3 << 22)); // USB_PPWR, USB_OVRCR
jksoft 0:dde3f92088d5 905 LPC_PINCON->PINSEL3 |= ((2 << 6) | (2 << 22));
jksoft 0:dde3f92088d5 906
jksoft 0:dde3f92088d5 907 LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
jksoft 0:dde3f92088d5 908 LPC_PINCON->PINSEL4 |= (1 << 18);
jksoft 0:dde3f92088d5 909
jksoft 0:dde3f92088d5 910 // Reset OHCI block
jksoft 0:dde3f92088d5 911 LPC_USB->HcControl = 0;
jksoft 0:dde3f92088d5 912 LPC_USB->HcControlHeadED = 0;
jksoft 0:dde3f92088d5 913 LPC_USB->HcBulkHeadED = 0;
jksoft 0:dde3f92088d5 914
jksoft 0:dde3f92088d5 915 LPC_USB->HcCommandStatus = HostControllerReset;
jksoft 0:dde3f92088d5 916 LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
jksoft 0:dde3f92088d5 917 LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
jksoft 0:dde3f92088d5 918
jksoft 0:dde3f92088d5 919 LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) | OperationalMask;
jksoft 0:dde3f92088d5 920 LPC_USB->HcRhStatus = SetGlobalPower;
jksoft 0:dde3f92088d5 921
jksoft 0:dde3f92088d5 922 LPC_USB->HcHCCA = (u32)cca;
jksoft 0:dde3f92088d5 923 LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus;
jksoft 0:dde3f92088d5 924 LPC_USB->HcInterruptEnable = MasterInterruptEnable | WritebackDoneHead | RootHubStatusChange | FrameNumberOverflow;
jksoft 0:dde3f92088d5 925
jksoft 0:dde3f92088d5 926 NVIC_SetPriority(USB_IRQn, 0);
jksoft 0:dde3f92088d5 927 NVIC_EnableIRQ(USB_IRQn);
jksoft 0:dde3f92088d5 928 while (cca->FrameNumber < 10)
jksoft 0:dde3f92088d5 929 ; // 10ms delay before diving in
jksoft 0:dde3f92088d5 930 }
jksoft 0:dde3f92088d5 931 };
jksoft 0:dde3f92088d5 932
jksoft 0:dde3f92088d5 933 //====================================================================================
jksoft 0:dde3f92088d5 934 //====================================================================================
jksoft 0:dde3f92088d5 935 // Host controller instance and Interrupt handler
jksoft 0:dde3f92088d5 936
jksoft 0:dde3f92088d5 937 static HostController _controller __attribute__((at(USB_RAM_BASE)));
jksoft 0:dde3f92088d5 938
jksoft 0:dde3f92088d5 939 extern "C" void USB_IRQHandler(void) __irq;
jksoft 0:dde3f92088d5 940 void USB_IRQHandler (void) __irq
jksoft 0:dde3f92088d5 941 {
jksoft 0:dde3f92088d5 942 LOG("USB_IRQHandler start \r\r\n");
jksoft 0:dde3f92088d5 943 u32 int_status = LPC_USB->HcInterruptStatus;
jksoft 0:dde3f92088d5 944 LOG("USB_IRQHandler int_status=%0x\r\r\n",int_status);
jksoft 0:dde3f92088d5 945
jksoft 0:dde3f92088d5 946 if(int_status & UnrecoverableError) //Error
jksoft 0:dde3f92088d5 947 {
jksoft 0:dde3f92088d5 948 LOG("USB_IRQHandler UnrecoverableError Please reset\r\r\n");
jksoft 0:dde3f92088d5 949 }
jksoft 0:dde3f92088d5 950
jksoft 0:dde3f92088d5 951 if(int_status & MasterInterruptEnable)
jksoft 0:dde3f92088d5 952 {
jksoft 0:dde3f92088d5 953 LOG("USB_IRQHandler MasterInterruptEnable\r\r\n");
jksoft 0:dde3f92088d5 954 }
jksoft 0:dde3f92088d5 955
jksoft 0:dde3f92088d5 956 if(int_status &OwnershipChange)
jksoft 0:dde3f92088d5 957 {
jksoft 0:dde3f92088d5 958 LOG("USB_IRQHandler OwnershipChange\r\r\n");
jksoft 0:dde3f92088d5 959 }
jksoft 0:dde3f92088d5 960
jksoft 0:dde3f92088d5 961 if(int_status &FrameNumberOverflow)
jksoft 0:dde3f92088d5 962 {
jksoft 0:dde3f92088d5 963 LOG("USB_IRQHandler FrameNumberOverflow\r\r\n");
jksoft 0:dde3f92088d5 964 }
jksoft 0:dde3f92088d5 965 if(int_status&ResumeDetected)
jksoft 0:dde3f92088d5 966 {
jksoft 0:dde3f92088d5 967 LOG("USB_IRQHandler ResumeDetected\r\r\n");
jksoft 0:dde3f92088d5 968 }
jksoft 0:dde3f92088d5 969 if(int_status&StartofFrame)
jksoft 0:dde3f92088d5 970 {
jksoft 0:dde3f92088d5 971 LOG("USB_IRQHandler StartofFrame\r\r\n");
jksoft 0:dde3f92088d5 972 }
jksoft 0:dde3f92088d5 973
jksoft 0:dde3f92088d5 974
jksoft 0:dde3f92088d5 975 if (int_status & RootHubStatusChange) // Root hub status change
jksoft 0:dde3f92088d5 976 {
jksoft 0:dde3f92088d5 977 LOG("USB_IRQHandler _rootHubStatusChange %0x->%0x \r\r\n", _controller._rootHubStatusChange, _controller._rootHubStatusChange+1);
jksoft 0:dde3f92088d5 978 _controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
jksoft 0:dde3f92088d5 979 }
jksoft 0:dde3f92088d5 980
jksoft 0:dde3f92088d5 981 u32 head = 0;
jksoft 0:dde3f92088d5 982 if (int_status & WritebackDoneHead)
jksoft 0:dde3f92088d5 983 {
jksoft 0:dde3f92088d5 984 head = _controller.CommunicationArea.DoneHead; // Writeback Done
jksoft 0:dde3f92088d5 985 _controller.CommunicationArea.DoneHead = 0;
jksoft 0:dde3f92088d5 986 LOG("USB_IRQHandler head=%0x\r\r\n",head);
jksoft 0:dde3f92088d5 987 }
jksoft 0:dde3f92088d5 988 LPC_USB->HcInterruptStatus = int_status;
jksoft 0:dde3f92088d5 989
jksoft 0:dde3f92088d5 990 if (head)
jksoft 0:dde3f92088d5 991 _controller.ProcessDoneQueue(head); // TODO - low bit can be set BUGBUG
jksoft 0:dde3f92088d5 992 LOG("USB_IRQHandler end \r\r\n");
jksoft 0:dde3f92088d5 993 }
jksoft 0:dde3f92088d5 994
jksoft 0:dde3f92088d5 995 //====================================================================================
jksoft 0:dde3f92088d5 996 //====================================================================================
jksoft 0:dde3f92088d5 997 // API Methods
jksoft 0:dde3f92088d5 998
jksoft 0:dde3f92088d5 999 void USBInit()
jksoft 0:dde3f92088d5 1000 {
jksoft 0:dde3f92088d5 1001 return _controller.Init();
jksoft 0:dde3f92088d5 1002 }
jksoft 0:dde3f92088d5 1003
jksoft 0:dde3f92088d5 1004 void USBLoop()
jksoft 0:dde3f92088d5 1005 {
jksoft 0:dde3f92088d5 1006 return _controller.Loop();
jksoft 0:dde3f92088d5 1007 }
jksoft 0:dde3f92088d5 1008
jksoft 0:dde3f92088d5 1009 u8* USBGetBuffer(u32* len)
jksoft 0:dde3f92088d5 1010 {
jksoft 0:dde3f92088d5 1011 *len = USB_RAM_SIZE - sizeof(HostController);
jksoft 0:dde3f92088d5 1012 return _controller.SRAM;
jksoft 0:dde3f92088d5 1013 }
jksoft 0:dde3f92088d5 1014
jksoft 0:dde3f92088d5 1015 static Setup* GetSetup(int device)
jksoft 0:dde3f92088d5 1016 {
jksoft 0:dde3f92088d5 1017 if (device == 0)
jksoft 0:dde3f92088d5 1018 return &_controller._setupZero;
jksoft 0:dde3f92088d5 1019
jksoft 0:dde3f92088d5 1020 if (device < 1 || device > MAX_DEVICES)
jksoft 0:dde3f92088d5 1021 return 0;
jksoft 0:dde3f92088d5 1022 return &_controller.Devices[device-1].SetupBuffer;
jksoft 0:dde3f92088d5 1023 }
jksoft 0:dde3f92088d5 1024
jksoft 0:dde3f92088d5 1025 // Loop until IO on endpoint is complete
jksoft 0:dde3f92088d5 1026 static int WaitIODone(Endpoint* endpoint)
jksoft 0:dde3f92088d5 1027 {
jksoft 0:dde3f92088d5 1028 LOG("WaitIODone start\r\r\n");
jksoft 0:dde3f92088d5 1029 if (endpoint->CurrentState == Endpoint::NotQueued)
jksoft 0:dde3f92088d5 1030 return 0;
jksoft 0:dde3f92088d5 1031 while (endpoint->CurrentState != Endpoint::Idle)
jksoft 0:dde3f92088d5 1032 {
jksoft 0:dde3f92088d5 1033 LOG("WaitIODone goto USBloop endpoint->CurrentState =%d \r\r\n",endpoint->CurrentState);
jksoft 0:dde3f92088d5 1034 USBLoop(); // May generate callbacks, mount or unmount devices etc
jksoft 0:dde3f92088d5 1035 }
jksoft 0:dde3f92088d5 1036 int status = endpoint->Status();
jksoft 0:dde3f92088d5 1037
jksoft 0:dde3f92088d5 1038 LOG("WaitIODone end\r\r\n");
jksoft 0:dde3f92088d5 1039 if (status == 0)
jksoft 0:dde3f92088d5 1040 return endpoint->Length;
jksoft 0:dde3f92088d5 1041 return -status;
jksoft 0:dde3f92088d5 1042 }
jksoft 0:dde3f92088d5 1043
jksoft 0:dde3f92088d5 1044 int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
jksoft 0:dde3f92088d5 1045 {
jksoft 0:dde3f92088d5 1046 //LOG("USBTRANSFER start\r\r\n");
jksoft 0:dde3f92088d5 1047 Endpoint* endpoint = _controller.GetEndpoint(device,ep);
jksoft 0:dde3f92088d5 1048 if (!endpoint)
jksoft 0:dde3f92088d5 1049 {
jksoft 0:dde3f92088d5 1050 LOG("USBTRANSFER error Endpoint not found!!\r\r\n");
jksoft 0:dde3f92088d5 1051 return ERR_ENDPOINT_NOT_FOUND;
jksoft 0:dde3f92088d5 1052 }
jksoft 0:dde3f92088d5 1053
jksoft 0:dde3f92088d5 1054 //LOG("USBTRANSFER run01\r\r\n");
jksoft 0:dde3f92088d5 1055 WaitIODone(endpoint);
jksoft 0:dde3f92088d5 1056 endpoint->Flags = flags;
jksoft 0:dde3f92088d5 1057 endpoint->Data = data;
jksoft 0:dde3f92088d5 1058 endpoint->Length = length;
jksoft 0:dde3f92088d5 1059 endpoint->Callback = callback;
jksoft 0:dde3f92088d5 1060 endpoint->UserData = userData;
jksoft 0:dde3f92088d5 1061 //LOG("USBTRANSFER run02\r\r\n");
jksoft 0:dde3f92088d5 1062 if (ep == 0)
jksoft 0:dde3f92088d5 1063 {
jksoft 0:dde3f92088d5 1064 LOG("USBTRANSFER ep == 0(Setup) ------------------------------\r\r\n");
jksoft 0:dde3f92088d5 1065 _controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
jksoft 0:dde3f92088d5 1066 }
jksoft 0:dde3f92088d5 1067 else
jksoft 0:dde3f92088d5 1068 {
jksoft 0:dde3f92088d5 1069 LOG("USBTRANSFER ep != 0\r\r\n");
jksoft 0:dde3f92088d5 1070 _controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
jksoft 0:dde3f92088d5 1071 }
jksoft 0:dde3f92088d5 1072 if (callback)
jksoft 0:dde3f92088d5 1073 {
jksoft 0:dde3f92088d5 1074 LOG("USBTRANSFER end io_pending\r\r\n");
jksoft 0:dde3f92088d5 1075 return IO_PENDING;
jksoft 0:dde3f92088d5 1076 }
jksoft 0:dde3f92088d5 1077 LOG("USBTRANSFER end wait io done \r\r\n");
jksoft 0:dde3f92088d5 1078 return WaitIODone(endpoint);
jksoft 0:dde3f92088d5 1079 }
jksoft 0:dde3f92088d5 1080
jksoft 0:dde3f92088d5 1081 int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
jksoft 0:dde3f92088d5 1082 {
jksoft 0:dde3f92088d5 1083 Setup* setup = GetSetup(device);
jksoft 0:dde3f92088d5 1084 if (!setup)
jksoft 0:dde3f92088d5 1085 return ERR_DEVICE_NOT_FOUND;
jksoft 0:dde3f92088d5 1086
jksoft 0:dde3f92088d5 1087 // Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
jksoft 0:dde3f92088d5 1088 WaitIODone(_controller.GetEndpoint(device,0));
jksoft 0:dde3f92088d5 1089
jksoft 0:dde3f92088d5 1090 setup->bm_request_type = request_type;
jksoft 0:dde3f92088d5 1091 setup->b_request = request;
jksoft 0:dde3f92088d5 1092 setup->w_value = value;
jksoft 0:dde3f92088d5 1093 setup->w_index = index;
jksoft 0:dde3f92088d5 1094 setup->w_length = length;
jksoft 0:dde3f92088d5 1095 LOG("USBControlTransfer(device=%d,reqtype=%d,req=%d,value=%d,index=%d,data=%p,len=%d,callbak=%p,udata=%p)\r\r\n",
jksoft 0:dde3f92088d5 1096 device,request_type,request,value,index,data,length,callback,userData);
jksoft 0:dde3f92088d5 1097 return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
jksoft 0:dde3f92088d5 1098 }
jksoft 0:dde3f92088d5 1099
jksoft 0:dde3f92088d5 1100 int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
jksoft 0:dde3f92088d5 1101 {
jksoft 0:dde3f92088d5 1102 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_INTERRUPT,data,length,callback,userData);
jksoft 0:dde3f92088d5 1103 }
jksoft 0:dde3f92088d5 1104
jksoft 0:dde3f92088d5 1105 int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
jksoft 0:dde3f92088d5 1106 {
jksoft 0:dde3f92088d5 1107 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_BULK,data,length,callback,userData);
jksoft 0:dde3f92088d5 1108 }
jksoft 0:dde3f92088d5 1109
jksoft 0:dde3f92088d5 1110 int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
jksoft 0:dde3f92088d5 1111 {
jksoft 0:dde3f92088d5 1112 return USBControlTransfer(device,DEVICE_TO_HOST | RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)|(descIndex), 0, data, length, 0);
jksoft 0:dde3f92088d5 1113 }
jksoft 0:dde3f92088d5 1114
jksoft 0:dde3f92088d5 1115 int GetString(int device, int index, char* dst, int length)
jksoft 0:dde3f92088d5 1116 {
jksoft 0:dde3f92088d5 1117 u8 buffer[255];
jksoft 0:dde3f92088d5 1118 int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
jksoft 0:dde3f92088d5 1119 if (le < 0)
jksoft 0:dde3f92088d5 1120 return le;
jksoft 0:dde3f92088d5 1121 if (length < 1)
jksoft 0:dde3f92088d5 1122 return -1;
jksoft 0:dde3f92088d5 1123 length <<= 1;
jksoft 0:dde3f92088d5 1124 if (le > length)
jksoft 0:dde3f92088d5 1125 le = length;
jksoft 0:dde3f92088d5 1126 for (int j = 2; j < le; j += 2)
jksoft 0:dde3f92088d5 1127 *dst++ = buffer[j];
jksoft 0:dde3f92088d5 1128 *dst = 0;
jksoft 0:dde3f92088d5 1129 return (le>>1)-1;
jksoft 0:dde3f92088d5 1130 }
jksoft 0:dde3f92088d5 1131
jksoft 0:dde3f92088d5 1132 int SetAddress(int device, int new_addr)
jksoft 0:dde3f92088d5 1133 {
jksoft 0:dde3f92088d5 1134 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
jksoft 0:dde3f92088d5 1135 }
jksoft 0:dde3f92088d5 1136
jksoft 0:dde3f92088d5 1137 int SetConfiguration(int device, int configNum)
jksoft 0:dde3f92088d5 1138 {
jksoft 0:dde3f92088d5 1139 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
jksoft 0:dde3f92088d5 1140 }
jksoft 0:dde3f92088d5 1141
jksoft 0:dde3f92088d5 1142 int SetInterface(int device, int ifNum, int altNum)
jksoft 0:dde3f92088d5 1143 {
jksoft 0:dde3f92088d5 1144 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
jksoft 0:dde3f92088d5 1145 }
jksoft 0:dde3f92088d5 1146
jksoft 0:dde3f92088d5 1147 // HUB stuff
jksoft 0:dde3f92088d5 1148 int SetPortFeature(int device, int feature, int index)
jksoft 0:dde3f92088d5 1149 {
jksoft 0:dde3f92088d5 1150 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
jksoft 0:dde3f92088d5 1151 }
jksoft 0:dde3f92088d5 1152
jksoft 0:dde3f92088d5 1153 int ClearPortFeature(int device, int feature, int index)
jksoft 0:dde3f92088d5 1154 {
jksoft 0:dde3f92088d5 1155 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
jksoft 0:dde3f92088d5 1156 }
jksoft 0:dde3f92088d5 1157
jksoft 0:dde3f92088d5 1158 int SetPortPower(int device, int port)
jksoft 0:dde3f92088d5 1159 {
jksoft 0:dde3f92088d5 1160 int r = SetPortFeature(device,PORT_POWER,port);
jksoft 0:dde3f92088d5 1161 _controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
jksoft 0:dde3f92088d5 1162 return r;
jksoft 0:dde3f92088d5 1163 }
jksoft 0:dde3f92088d5 1164
jksoft 0:dde3f92088d5 1165 int SetPortReset(int device, int port)
jksoft 0:dde3f92088d5 1166 {
jksoft 0:dde3f92088d5 1167 return SetPortFeature(device,PORT_RESET,port);
jksoft 0:dde3f92088d5 1168 }
jksoft 0:dde3f92088d5 1169
jksoft 0:dde3f92088d5 1170 int GetPortStatus(int device, int port, u32* status)
jksoft 0:dde3f92088d5 1171 {
jksoft 0:dde3f92088d5 1172 return USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
jksoft 0:dde3f92088d5 1173 }
jksoft 0:dde3f92088d5 1174
jksoft 0:dde3f92088d5 1175 #endif