Radio Junk Box / Mbed 2 deprecated MIDI_BlueUSB

Peter Barrett氏のBlueUSBにMIDI USB HOST機能を加えたサンプルプログラムです。KORG nanoKEYなどのUSB MIDIストリームをシリアルMIDI(Serial TX p9)にブリッジします。動作確認はKORG nanoKEY、AKAI LPK-25、EDIROL PC-50のみです。

Dependencies:   mbed

USBHost.cpp@0:79620c558b0c, 2012-05-11 (annotated)

Committer:
radiojunkbox
Date:
Fri May 11 10:05:40 2012 +0000
Revision:
0:79620c558b0c
Rev. 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
radiojunkbox 0:79620c558b0c 1
radiojunkbox 0:79620c558b0c 2 /*
radiojunkbox 0:79620c558b0c 3 Copyright (c) 2010 Peter Barrett
radiojunkbox 0:79620c558b0c 4
radiojunkbox 0:79620c558b0c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
radiojunkbox 0:79620c558b0c 6 of this software and associated documentation files (the "Software"), to deal
radiojunkbox 0:79620c558b0c 7 in the Software without restriction, including without limitation the rights
radiojunkbox 0:79620c558b0c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
radiojunkbox 0:79620c558b0c 9 copies of the Software, and to permit persons to whom the Software is
radiojunkbox 0:79620c558b0c 10 furnished to do so, subject to the following conditions:
radiojunkbox 0:79620c558b0c 11
radiojunkbox 0:79620c558b0c 12 The above copyright notice and this permission notice shall be included in
radiojunkbox 0:79620c558b0c 13 all copies or substantial portions of the Software.
radiojunkbox 0:79620c558b0c 14
radiojunkbox 0:79620c558b0c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
radiojunkbox 0:79620c558b0c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
radiojunkbox 0:79620c558b0c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
radiojunkbox 0:79620c558b0c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
radiojunkbox 0:79620c558b0c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
radiojunkbox 0:79620c558b0c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
radiojunkbox 0:79620c558b0c 21 THE SOFTWARE.
radiojunkbox 0:79620c558b0c 22 */
radiojunkbox 0:79620c558b0c 23
radiojunkbox 0:79620c558b0c 24 /*
radiojunkbox 0:79620c558b0c 25 May 11 2012 RadioJunkBox : added MIDI USB support
radiojunkbox 0:79620c558b0c 26 */
radiojunkbox 0:79620c558b0c 27
radiojunkbox 0:79620c558b0c 28 #include "mbed.h"
radiojunkbox 0:79620c558b0c 29 #include "USBHost.h"
radiojunkbox 0:79620c558b0c 30
radiojunkbox 0:79620c558b0c 31 // Config (default uses x bytes)
radiojunkbox 0:79620c558b0c 32 #define MAX_DEVICES 8 // Max number of devices
radiojunkbox 0:79620c558b0c 33 #define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
radiojunkbox 0:79620c558b0c 34 #define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
radiojunkbox 0:79620c558b0c 35
radiojunkbox 0:79620c558b0c 36 #define USBLOG 1
radiojunkbox 0:79620c558b0c 37 #if USBLOG
radiojunkbox 0:79620c558b0c 38 #define LOG(...) printf(__VA_ARGS__)
radiojunkbox 0:79620c558b0c 39 #else
radiojunkbox 0:79620c558b0c 40 #define LOG(...) do {} while(0)
radiojunkbox 0:79620c558b0c 41 #endif
radiojunkbox 0:79620c558b0c 42
radiojunkbox 0:79620c558b0c 43 // USB host structures
radiojunkbox 0:79620c558b0c 44
radiojunkbox 0:79620c558b0c 45 #define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
radiojunkbox 0:79620c558b0c 46 #define USB_RAM_BASE 0x2007C000
radiojunkbox 0:79620c558b0c 47
radiojunkbox 0:79620c558b0c 48 #define TOKEN_SETUP 0
radiojunkbox 0:79620c558b0c 49 #define TOKEN_IN 1
radiojunkbox 0:79620c558b0c 50 #define TOKEN_OUT 2
radiojunkbox 0:79620c558b0c 51
radiojunkbox 0:79620c558b0c 52 // Status flags from hub
radiojunkbox 0:79620c558b0c 53 #define PORT_CONNECTION 0
radiojunkbox 0:79620c558b0c 54 #define PORT_ENABLE 1
radiojunkbox 0:79620c558b0c 55 #define PORT_SUSPEND 2
radiojunkbox 0:79620c558b0c 56 #define PORT_OVER_CURRENT 3
radiojunkbox 0:79620c558b0c 57 #define PORT_RESET 4
radiojunkbox 0:79620c558b0c 58 #define PORT_POWER 8
radiojunkbox 0:79620c558b0c 59 #define PORT_LOW_SPEED 9
radiojunkbox 0:79620c558b0c 60
radiojunkbox 0:79620c558b0c 61 #define C_PORT_CONNECTION 16
radiojunkbox 0:79620c558b0c 62 #define C_PORT_ENABLE 17
radiojunkbox 0:79620c558b0c 63 #define C_PORT_SUSPEND 18
radiojunkbox 0:79620c558b0c 64 #define C_PORT_OVER_CURRENT 19
radiojunkbox 0:79620c558b0c 65 #define C_PORT_RESET 20
radiojunkbox 0:79620c558b0c 66
radiojunkbox 0:79620c558b0c 67 typedef struct {
radiojunkbox 0:79620c558b0c 68 u8 bm_request_type;
radiojunkbox 0:79620c558b0c 69 u8 b_request;
radiojunkbox 0:79620c558b0c 70 u16 w_value;
radiojunkbox 0:79620c558b0c 71 u16 w_index;
radiojunkbox 0:79620c558b0c 72 u16 w_length;
radiojunkbox 0:79620c558b0c 73 } Setup;
radiojunkbox 0:79620c558b0c 74
radiojunkbox 0:79620c558b0c 75
radiojunkbox 0:79620c558b0c 76 // Hub stuff is kept private just to keep api simple
radiojunkbox 0:79620c558b0c 77 int SetPortFeature(int device, int feature, int index);
radiojunkbox 0:79620c558b0c 78 int ClearPortFeature(int device, int feature, int index);
radiojunkbox 0:79620c558b0c 79 int SetPortPower(int device, int port);
radiojunkbox 0:79620c558b0c 80 int SetPortReset(int device, int port);
radiojunkbox 0:79620c558b0c 81 int GetPortStatus(int device, int port, u32* status);
radiojunkbox 0:79620c558b0c 82
radiojunkbox 0:79620c558b0c 83 //===================================================================
radiojunkbox 0:79620c558b0c 84 //===================================================================
radiojunkbox 0:79620c558b0c 85 // Hardware defines
radiojunkbox 0:79620c558b0c 86
radiojunkbox 0:79620c558b0c 87 // HcControl
radiojunkbox 0:79620c558b0c 88 #define PeriodicListEnable 0x00000004
radiojunkbox 0:79620c558b0c 89 #define IsochronousEnable 0x00000008
radiojunkbox 0:79620c558b0c 90 #define ControlListEnable 0x00000010
radiojunkbox 0:79620c558b0c 91 #define BulkListEnable 0x00000020
radiojunkbox 0:79620c558b0c 92 #define OperationalMask 0x00000080
radiojunkbox 0:79620c558b0c 93 #define HostControllerFunctionalState 0x000000C0
radiojunkbox 0:79620c558b0c 94
radiojunkbox 0:79620c558b0c 95 // HcCommandStatus
radiojunkbox 0:79620c558b0c 96 #define HostControllerReset 0x00000001
radiojunkbox 0:79620c558b0c 97 #define ControlListFilled 0x00000002
radiojunkbox 0:79620c558b0c 98 #define BulkListFilled 0x00000004
radiojunkbox 0:79620c558b0c 99
radiojunkbox 0:79620c558b0c 100 // HcInterruptStatus Register
radiojunkbox 0:79620c558b0c 101 #define WritebackDoneHead 0x00000002
radiojunkbox 0:79620c558b0c 102 #define StartofFrame 0x00000004
radiojunkbox 0:79620c558b0c 103 #define ResumeDetected 0x00000008
radiojunkbox 0:79620c558b0c 104 #define UnrecoverableError 0x00000010
radiojunkbox 0:79620c558b0c 105 #define FrameNumberOverflow 0x00000020
radiojunkbox 0:79620c558b0c 106 #define RootHubStatusChange 0x00000040
radiojunkbox 0:79620c558b0c 107 #define OwnershipChange 0x00000080
radiojunkbox 0:79620c558b0c 108 #define MasterInterruptEnable 0x80000000
radiojunkbox 0:79620c558b0c 109
radiojunkbox 0:79620c558b0c 110 // HcRhStatus
radiojunkbox 0:79620c558b0c 111 #define SetGlobalPower 0x00010000
radiojunkbox 0:79620c558b0c 112 #define DeviceRemoteWakeupEnable 0x00008000
radiojunkbox 0:79620c558b0c 113
radiojunkbox 0:79620c558b0c 114 // HcRhPortStatus (hub 0, port 1)
radiojunkbox 0:79620c558b0c 115 #define CurrentConnectStatus 0x00000001
radiojunkbox 0:79620c558b0c 116 #define PortEnableStatus 0x00000002
radiojunkbox 0:79620c558b0c 117 #define PortSuspendStatus 0x00000004
radiojunkbox 0:79620c558b0c 118 #define PortOverCurrentIndicator 0x00000008
radiojunkbox 0:79620c558b0c 119 #define PortResetStatus 0x00000010
radiojunkbox 0:79620c558b0c 120
radiojunkbox 0:79620c558b0c 121 #define PortPowerStatus 0x00000100
radiojunkbox 0:79620c558b0c 122 #define LowspeedDevice 0x00000200
radiojunkbox 0:79620c558b0c 123 #define HighspeedDevice 0x00000400
radiojunkbox 0:79620c558b0c 124
radiojunkbox 0:79620c558b0c 125 #define ConnectStatusChange (CurrentConnectStatus << 16)
radiojunkbox 0:79620c558b0c 126 #define PortResetStatusChange (PortResetStatus << 16)
radiojunkbox 0:79620c558b0c 127
radiojunkbox 0:79620c558b0c 128
radiojunkbox 0:79620c558b0c 129 #define TD_ROUNDING (u32)0x00040000
radiojunkbox 0:79620c558b0c 130 #define TD_SETUP (u32)0x00000000
radiojunkbox 0:79620c558b0c 131 #define TD_IN (u32)0x00100000
radiojunkbox 0:79620c558b0c 132 #define TD_OUT (u32)0x00080000
radiojunkbox 0:79620c558b0c 133 #define TD_DELAY_INT(x) (u32)((x) << 21)
radiojunkbox 0:79620c558b0c 134 #define TD_TOGGLE_0 (u32)0x02000000
radiojunkbox 0:79620c558b0c 135 #define TD_TOGGLE_1 (u32)0x03000000
radiojunkbox 0:79620c558b0c 136 #define TD_CC (u32)0xF0000000
radiojunkbox 0:79620c558b0c 137
radiojunkbox 0:79620c558b0c 138 // HostController EndPoint Descriptor
radiojunkbox 0:79620c558b0c 139 typedef struct {
radiojunkbox 0:79620c558b0c 140 volatile u32 Control;
radiojunkbox 0:79620c558b0c 141 volatile u32 TailTd;
radiojunkbox 0:79620c558b0c 142 volatile u32 HeadTd;
radiojunkbox 0:79620c558b0c 143 volatile u32 Next;
radiojunkbox 0:79620c558b0c 144 } HCED;
radiojunkbox 0:79620c558b0c 145
radiojunkbox 0:79620c558b0c 146 // HostController Transfer Descriptor
radiojunkbox 0:79620c558b0c 147 typedef struct {
radiojunkbox 0:79620c558b0c 148 volatile u32 Control;
radiojunkbox 0:79620c558b0c 149 volatile u32 CurrBufPtr;
radiojunkbox 0:79620c558b0c 150 volatile u32 Next;
radiojunkbox 0:79620c558b0c 151 volatile u32 BufEnd;
radiojunkbox 0:79620c558b0c 152 } HCTD;
radiojunkbox 0:79620c558b0c 153
radiojunkbox 0:79620c558b0c 154 // Host Controller Communication Area
radiojunkbox 0:79620c558b0c 155 typedef struct {
radiojunkbox 0:79620c558b0c 156 volatile u32 InterruptTable[32];
radiojunkbox 0:79620c558b0c 157 volatile u16 FrameNumber;
radiojunkbox 0:79620c558b0c 158 volatile u16 FrameNumberPad;
radiojunkbox 0:79620c558b0c 159 volatile u32 DoneHead;
radiojunkbox 0:79620c558b0c 160 volatile u8 Reserved[120];
radiojunkbox 0:79620c558b0c 161 } HCCA;
radiojunkbox 0:79620c558b0c 162
radiojunkbox 0:79620c558b0c 163 //====================================================================================
radiojunkbox 0:79620c558b0c 164 //====================================================================================
radiojunkbox 0:79620c558b0c 165
radiojunkbox 0:79620c558b0c 166 class HostController;
radiojunkbox 0:79620c558b0c 167 class Endpoint;
radiojunkbox 0:79620c558b0c 168 class Device;
radiojunkbox 0:79620c558b0c 169
radiojunkbox 0:79620c558b0c 170 // must be 3*16 bytes long
radiojunkbox 0:79620c558b0c 171 class Endpoint
radiojunkbox 0:79620c558b0c 172 {
radiojunkbox 0:79620c558b0c 173 public:
radiojunkbox 0:79620c558b0c 174 HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
radiojunkbox 0:79620c558b0c 175 HCTD TDHead;
radiojunkbox 0:79620c558b0c 176
radiojunkbox 0:79620c558b0c 177 enum State
radiojunkbox 0:79620c558b0c 178 {
radiojunkbox 0:79620c558b0c 179 Free,
radiojunkbox 0:79620c558b0c 180 NotQueued,
radiojunkbox 0:79620c558b0c 181 Idle,
radiojunkbox 0:79620c558b0c 182 SetupQueued,
radiojunkbox 0:79620c558b0c 183 DataQueued,
radiojunkbox 0:79620c558b0c 184 StatusQueued,
radiojunkbox 0:79620c558b0c 185 CallbackPending
radiojunkbox 0:79620c558b0c 186 };
radiojunkbox 0:79620c558b0c 187
radiojunkbox 0:79620c558b0c 188 volatile u8 CurrentState;
radiojunkbox 0:79620c558b0c 189 u8 Flags; // 0x80 In, 0x03 mask endpoint type
radiojunkbox 0:79620c558b0c 190
radiojunkbox 0:79620c558b0c 191 u16 Length;
radiojunkbox 0:79620c558b0c 192 u8* Data;
radiojunkbox 0:79620c558b0c 193 USBCallback Callback; // Must be a multiple of 16 bytes long
radiojunkbox 0:79620c558b0c 194 void* UserData;
radiojunkbox 0:79620c558b0c 195
radiojunkbox 0:79620c558b0c 196 int Address()
radiojunkbox 0:79620c558b0c 197 {
radiojunkbox 0:79620c558b0c 198 int ep = (EndpointDescriptor.Control >> 7) & 0xF;
radiojunkbox 0:79620c558b0c 199 if (ep)
radiojunkbox 0:79620c558b0c 200 ep |= Flags & 0x80;
radiojunkbox 0:79620c558b0c 201 return ep;
radiojunkbox 0:79620c558b0c 202 }
radiojunkbox 0:79620c558b0c 203
radiojunkbox 0:79620c558b0c 204 int Device()
radiojunkbox 0:79620c558b0c 205 {
radiojunkbox 0:79620c558b0c 206 return EndpointDescriptor.Control & 0x7F;
radiojunkbox 0:79620c558b0c 207 }
radiojunkbox 0:79620c558b0c 208
radiojunkbox 0:79620c558b0c 209 int Status()
radiojunkbox 0:79620c558b0c 210 {
radiojunkbox 0:79620c558b0c 211 return (TDHead.Control >> 28) & 0xF;
radiojunkbox 0:79620c558b0c 212 }
radiojunkbox 0:79620c558b0c 213
radiojunkbox 0:79620c558b0c 214 u32 Enqueue(u32 head)
radiojunkbox 0:79620c558b0c 215 {
radiojunkbox 0:79620c558b0c 216 if (CurrentState == NotQueued)
radiojunkbox 0:79620c558b0c 217 {
radiojunkbox 0:79620c558b0c 218 EndpointDescriptor.Next = head;
radiojunkbox 0:79620c558b0c 219 head = (u32)&EndpointDescriptor;
radiojunkbox 0:79620c558b0c 220 CurrentState = Idle;
radiojunkbox 0:79620c558b0c 221 }
radiojunkbox 0:79620c558b0c 222 return head;
radiojunkbox 0:79620c558b0c 223 }
radiojunkbox 0:79620c558b0c 224 };
radiojunkbox 0:79620c558b0c 225
radiojunkbox 0:79620c558b0c 226 class Device
radiojunkbox 0:79620c558b0c 227 {
radiojunkbox 0:79620c558b0c 228 public:
radiojunkbox 0:79620c558b0c 229 u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
radiojunkbox 0:79620c558b0c 230 u8 Hub;
radiojunkbox 0:79620c558b0c 231 u8 Port;
radiojunkbox 0:79620c558b0c 232 u8 Addr;
radiojunkbox 0:79620c558b0c 233 u8 Pad;
radiojunkbox 0:79620c558b0c 234
radiojunkbox 0:79620c558b0c 235 // Only if this device is a hub
radiojunkbox 0:79620c558b0c 236 u8 HubPortCount; // nonzero if this is a hub
radiojunkbox 0:79620c558b0c 237 u8 HubInterruptData;
radiojunkbox 0:79620c558b0c 238 u8 HubMap;
radiojunkbox 0:79620c558b0c 239 u8 HubMask;
radiojunkbox 0:79620c558b0c 240
radiojunkbox 0:79620c558b0c 241 int Flags; // 1 = Disconnected
radiojunkbox 0:79620c558b0c 242
radiojunkbox 0:79620c558b0c 243 Setup SetupBuffer;
radiojunkbox 0:79620c558b0c 244
radiojunkbox 0:79620c558b0c 245 // Allocate endpoint zero
radiojunkbox 0:79620c558b0c 246 int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
radiojunkbox 0:79620c558b0c 247 {
radiojunkbox 0:79620c558b0c 248 Hub = hub;
radiojunkbox 0:79620c558b0c 249 Port = port;
radiojunkbox 0:79620c558b0c 250 Addr = addr;
radiojunkbox 0:79620c558b0c 251 Flags = lowSpeed;
radiojunkbox 0:79620c558b0c 252 memset(_endpointMap,0xFF,sizeof(_endpointMap));
radiojunkbox 0:79620c558b0c 253 return 0;
radiojunkbox 0:79620c558b0c 254 }
radiojunkbox 0:79620c558b0c 255
radiojunkbox 0:79620c558b0c 256 int SetEndpointIndex(int ep, int endpointIndex)
radiojunkbox 0:79620c558b0c 257 {
radiojunkbox 0:79620c558b0c 258 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
radiojunkbox 0:79620c558b0c 259 {
radiojunkbox 0:79620c558b0c 260 if (_endpointMap[i] == 0xFF) // Add endpoint to map
radiojunkbox 0:79620c558b0c 261 {
radiojunkbox 0:79620c558b0c 262 _endpointMap[i] = ep;
radiojunkbox 0:79620c558b0c 263 _endpointMap[i+1] = endpointIndex;
radiojunkbox 0:79620c558b0c 264 return 0;
radiojunkbox 0:79620c558b0c 265 }
radiojunkbox 0:79620c558b0c 266 }
radiojunkbox 0:79620c558b0c 267 return ERR_ENDPOINT_NONE_LEFT;
radiojunkbox 0:79620c558b0c 268 }
radiojunkbox 0:79620c558b0c 269
radiojunkbox 0:79620c558b0c 270 int GetEndpointIndex(int ep)
radiojunkbox 0:79620c558b0c 271 {
radiojunkbox 0:79620c558b0c 272 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
radiojunkbox 0:79620c558b0c 273 {
radiojunkbox 0:79620c558b0c 274 if (_endpointMap[i] == ep)
radiojunkbox 0:79620c558b0c 275 return _endpointMap[i+1];
radiojunkbox 0:79620c558b0c 276 if (_endpointMap[i] == 0xFF)
radiojunkbox 0:79620c558b0c 277 break;
radiojunkbox 0:79620c558b0c 278 }
radiojunkbox 0:79620c558b0c 279 return -1;
radiojunkbox 0:79620c558b0c 280 }
radiojunkbox 0:79620c558b0c 281 };
radiojunkbox 0:79620c558b0c 282
radiojunkbox 0:79620c558b0c 283 class HostController
radiojunkbox 0:79620c558b0c 284 {
radiojunkbox 0:79620c558b0c 285 public:
radiojunkbox 0:79620c558b0c 286 HCCA CommunicationArea;
radiojunkbox 0:79620c558b0c 287 Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
radiojunkbox 0:79620c558b0c 288
radiojunkbox 0:79620c558b0c 289 Endpoint EndpointZero; // For device enumeration
radiojunkbox 0:79620c558b0c 290 HCTD _commonTail;
radiojunkbox 0:79620c558b0c 291 Setup _setupZero;
radiojunkbox 0:79620c558b0c 292
radiojunkbox 0:79620c558b0c 293 Device Devices[MAX_DEVICES];
radiojunkbox 0:79620c558b0c 294 u32 _frameNumber; // 32 bit ms counter
radiojunkbox 0:79620c558b0c 295
radiojunkbox 0:79620c558b0c 296 u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
radiojunkbox 0:79620c558b0c 297 u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
radiojunkbox 0:79620c558b0c 298 u8 _unused0;
radiojunkbox 0:79620c558b0c 299 u8 _unused1;
radiojunkbox 0:79620c558b0c 300
radiojunkbox 0:79620c558b0c 301 u8 _connectPending; // Reset has initiated a connect
radiojunkbox 0:79620c558b0c 302 u8 _connectCountdown; // Number of ms left after reset before we can connect
radiojunkbox 0:79620c558b0c 303 u8 _connectHub; // Will connect on this hub
radiojunkbox 0:79620c558b0c 304 u8 _connectPort; // ... and this port
radiojunkbox 0:79620c558b0c 305
radiojunkbox 0:79620c558b0c 306 u8 SRAM[0]; // Start of free SRAM
radiojunkbox 0:79620c558b0c 307
radiojunkbox 0:79620c558b0c 308 void Loop()
radiojunkbox 0:79620c558b0c 309 {
radiojunkbox 0:79620c558b0c 310 u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
radiojunkbox 0:79620c558b0c 311 _frameNumber += elapsed;
radiojunkbox 0:79620c558b0c 312
radiojunkbox 0:79620c558b0c 313 // Do callbacks, if any
radiojunkbox 0:79620c558b0c 314 while (_callbacksPending)
radiojunkbox 0:79620c558b0c 315 {
radiojunkbox 0:79620c558b0c 316 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
radiojunkbox 0:79620c558b0c 317 {
radiojunkbox 0:79620c558b0c 318 Endpoint* endpoint = Endpoints + i;
radiojunkbox 0:79620c558b0c 319 if (endpoint->CurrentState == Endpoint::CallbackPending)
radiojunkbox 0:79620c558b0c 320 {
radiojunkbox 0:79620c558b0c 321 _callbacksPending--;
radiojunkbox 0:79620c558b0c 322 endpoint->CurrentState = Endpoint::Idle;
radiojunkbox 0:79620c558b0c 323 endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
radiojunkbox 0:79620c558b0c 324 }
radiojunkbox 0:79620c558b0c 325 }
radiojunkbox 0:79620c558b0c 326 }
radiojunkbox 0:79620c558b0c 327
radiojunkbox 0:79620c558b0c 328 // Deal with changes on the root hub
radiojunkbox 0:79620c558b0c 329 if (_rootHubStatusChange)
radiojunkbox 0:79620c558b0c 330 {
radiojunkbox 0:79620c558b0c 331 u32 status = LPC_USB->HcRhPortStatus1;
radiojunkbox 0:79620c558b0c 332 _rootHubStatusChange = 0;
radiojunkbox 0:79620c558b0c 333 if (status >> 16)
radiojunkbox 0:79620c558b0c 334 {
radiojunkbox 0:79620c558b0c 335 HubStatusChange(0,1,status);
radiojunkbox 0:79620c558b0c 336 LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
radiojunkbox 0:79620c558b0c 337 }
radiojunkbox 0:79620c558b0c 338 }
radiojunkbox 0:79620c558b0c 339
radiojunkbox 0:79620c558b0c 340 // Connect after reset timeout
radiojunkbox 0:79620c558b0c 341 if (_connectCountdown)
radiojunkbox 0:79620c558b0c 342 {
radiojunkbox 0:79620c558b0c 343 if (elapsed >= _connectCountdown)
radiojunkbox 0:79620c558b0c 344 {
radiojunkbox 0:79620c558b0c 345 _connectCountdown = 0;
radiojunkbox 0:79620c558b0c 346 Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
radiojunkbox 0:79620c558b0c 347 } else
radiojunkbox 0:79620c558b0c 348 _connectCountdown -= elapsed;
radiojunkbox 0:79620c558b0c 349 }
radiojunkbox 0:79620c558b0c 350 }
radiojunkbox 0:79620c558b0c 351
radiojunkbox 0:79620c558b0c 352 // HubInterrupt - bitmap in dev->HubInterruptData
radiojunkbox 0:79620c558b0c 353 void HubInterrupt(int device)
radiojunkbox 0:79620c558b0c 354 {
radiojunkbox 0:79620c558b0c 355 Device* dev = &Devices[device-1];
radiojunkbox 0:79620c558b0c 356 for (int i = 0; i < dev->HubPortCount; i++)
radiojunkbox 0:79620c558b0c 357 {
radiojunkbox 0:79620c558b0c 358 int port = i+1;
radiojunkbox 0:79620c558b0c 359 if (dev->HubInterruptData & (1 << port))
radiojunkbox 0:79620c558b0c 360 {
radiojunkbox 0:79620c558b0c 361 u32 status = 0;
radiojunkbox 0:79620c558b0c 362 GetPortStatus(device,port,&status);
radiojunkbox 0:79620c558b0c 363 if (status >> 16)
radiojunkbox 0:79620c558b0c 364 {
radiojunkbox 0:79620c558b0c 365 if (_connectPending && (status & ConnectStatusChange))
radiojunkbox 0:79620c558b0c 366 continue; // Don't connect again until previous device has been added and addressed
radiojunkbox 0:79620c558b0c 367
radiojunkbox 0:79620c558b0c 368 HubStatusChange(device,port,status);
radiojunkbox 0:79620c558b0c 369 if (status & ConnectStatusChange)
radiojunkbox 0:79620c558b0c 370 ClearPortFeature(device,C_PORT_CONNECTION,port);
radiojunkbox 0:79620c558b0c 371 if (status & PortResetStatusChange)
radiojunkbox 0:79620c558b0c 372 ClearPortFeature(device,C_PORT_RESET,port);
radiojunkbox 0:79620c558b0c 373 }
radiojunkbox 0:79620c558b0c 374 }
radiojunkbox 0:79620c558b0c 375 }
radiojunkbox 0:79620c558b0c 376 }
radiojunkbox 0:79620c558b0c 377
radiojunkbox 0:79620c558b0c 378 static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
radiojunkbox 0:79620c558b0c 379 {
radiojunkbox 0:79620c558b0c 380 HostController* controller = (HostController*)userData;
radiojunkbox 0:79620c558b0c 381 if (status == 0)
radiojunkbox 0:79620c558b0c 382 controller->HubInterrupt(device);
radiojunkbox 0:79620c558b0c 383 USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
radiojunkbox 0:79620c558b0c 384 }
radiojunkbox 0:79620c558b0c 385
radiojunkbox 0:79620c558b0c 386 int InitHub(int device)
radiojunkbox 0:79620c558b0c 387 {
radiojunkbox 0:79620c558b0c 388 u8 buf[16];
radiojunkbox 0:79620c558b0c 389 int r= USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
radiojunkbox 0:79620c558b0c 390 if (r < 0)
radiojunkbox 0:79620c558b0c 391 return ERR_HUB_INIT_FAILED;
radiojunkbox 0:79620c558b0c 392
radiojunkbox 0:79620c558b0c 393 // turn on power on the hubs ports
radiojunkbox 0:79620c558b0c 394 Device* dev = &Devices[device-1];
radiojunkbox 0:79620c558b0c 395 int ports = buf[2];
radiojunkbox 0:79620c558b0c 396 dev->HubPortCount = ports;
radiojunkbox 0:79620c558b0c 397 for (int i = 0; i < ports; i++)
radiojunkbox 0:79620c558b0c 398 SetPortPower(device,i+1);
radiojunkbox 0:79620c558b0c 399
radiojunkbox 0:79620c558b0c 400 // Enable hub change interrupts
radiojunkbox 0:79620c558b0c 401 return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
radiojunkbox 0:79620c558b0c 402 }
radiojunkbox 0:79620c558b0c 403
radiojunkbox 0:79620c558b0c 404 int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
radiojunkbox 0:79620c558b0c 405 {
radiojunkbox 0:79620c558b0c 406 LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\n",device,ep,attributes,maxPacketSize,interval);
radiojunkbox 0:79620c558b0c 407 Device* dev = &Devices[device-1];
radiojunkbox 0:79620c558b0c 408 Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
radiojunkbox 0:79620c558b0c 409 if (!endpoint)
radiojunkbox 0:79620c558b0c 410 return ERR_ENDPOINT_NONE_LEFT;
radiojunkbox 0:79620c558b0c 411 dev->SetEndpointIndex(ep,endpoint - Endpoints);
radiojunkbox 0:79620c558b0c 412 endpoint->EndpointDescriptor.Control |= dev->Flags; // Map in slow speed
radiojunkbox 0:79620c558b0c 413 return 0; // TODO ed->bInterval
radiojunkbox 0:79620c558b0c 414 }
radiojunkbox 0:79620c558b0c 415
radiojunkbox 0:79620c558b0c 416 int AddEndpoint(int device, EndpointDescriptor* ed)
radiojunkbox 0:79620c558b0c 417 {
radiojunkbox 0:79620c558b0c 418 return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
radiojunkbox 0:79620c558b0c 419 }
radiojunkbox 0:79620c558b0c 420
radiojunkbox 0:79620c558b0c 421 // allocate a endpoint
radiojunkbox 0:79620c558b0c 422 Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
radiojunkbox 0:79620c558b0c 423 {
radiojunkbox 0:79620c558b0c 424 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
radiojunkbox 0:79620c558b0c 425 {
radiojunkbox 0:79620c558b0c 426 Endpoint* ep = &Endpoints[i];
radiojunkbox 0:79620c558b0c 427 if (ep->CurrentState == 0)
radiojunkbox 0:79620c558b0c 428 {
radiojunkbox 0:79620c558b0c 429 //LOG("Allocated endpoint %d to %02X:%02X\n",i,device,endpointAddress);
radiojunkbox 0:79620c558b0c 430 ep->Flags = (endpointAddress & 0x80) | (type & 3);
radiojunkbox 0:79620c558b0c 431 ep->CurrentState = Endpoint::NotQueued;
radiojunkbox 0:79620c558b0c 432 ep->EndpointDescriptor.Control = (maxPacketSize << 16) | ((endpointAddress & 0x7F) << 7) | device;
radiojunkbox 0:79620c558b0c 433 return ep;
radiojunkbox 0:79620c558b0c 434 }
radiojunkbox 0:79620c558b0c 435 }
radiojunkbox 0:79620c558b0c 436 return 0;
radiojunkbox 0:79620c558b0c 437 }
radiojunkbox 0:79620c558b0c 438
radiojunkbox 0:79620c558b0c 439 Endpoint* GetEndpoint(int device, int ep)
radiojunkbox 0:79620c558b0c 440 {
radiojunkbox 0:79620c558b0c 441 if (device == 0)
radiojunkbox 0:79620c558b0c 442 {
radiojunkbox 0:79620c558b0c 443 //printf("WARNING: USING DEVICE 0\n");
radiojunkbox 0:79620c558b0c 444 return &EndpointZero;
radiojunkbox 0:79620c558b0c 445 }
radiojunkbox 0:79620c558b0c 446 if (device > MAX_DEVICES)
radiojunkbox 0:79620c558b0c 447 return 0;
radiojunkbox 0:79620c558b0c 448 int i = Devices[device-1].GetEndpointIndex(ep);
radiojunkbox 0:79620c558b0c 449 if (i == -1)
radiojunkbox 0:79620c558b0c 450 return 0;
radiojunkbox 0:79620c558b0c 451 return Endpoints + i;
radiojunkbox 0:79620c558b0c 452 }
radiojunkbox 0:79620c558b0c 453
radiojunkbox 0:79620c558b0c 454 int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
radiojunkbox 0:79620c558b0c 455 {
radiojunkbox 0:79620c558b0c 456 //LOG("Transfer %02X T:%d Len:%d S:%d\n",endpoint->Address(),token,len,state);
radiojunkbox 0:79620c558b0c 457
radiojunkbox 0:79620c558b0c 458 int toggle = 0;
radiojunkbox 0:79620c558b0c 459 if (endpoint->Address() == 0)
radiojunkbox 0:79620c558b0c 460 toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
radiojunkbox 0:79620c558b0c 461
radiojunkbox 0:79620c558b0c 462 if (token != TOKEN_SETUP)
radiojunkbox 0:79620c558b0c 463 token = (token == TOKEN_IN ? TD_IN : TD_OUT);
radiojunkbox 0:79620c558b0c 464
radiojunkbox 0:79620c558b0c 465 HCTD* head = &endpoint->TDHead;
radiojunkbox 0:79620c558b0c 466 HCTD* tail = &_commonTail;
radiojunkbox 0:79620c558b0c 467
radiojunkbox 0:79620c558b0c 468 head->Control = TD_ROUNDING | token | TD_DELAY_INT(0) | toggle | TD_CC;
radiojunkbox 0:79620c558b0c 469 head->CurrBufPtr = (u32)data;
radiojunkbox 0:79620c558b0c 470 head->BufEnd = (u32)(data + len - 1);
radiojunkbox 0:79620c558b0c 471 head->Next = (u32)tail;
radiojunkbox 0:79620c558b0c 472
radiojunkbox 0:79620c558b0c 473 HCED* ed = &endpoint->EndpointDescriptor;
radiojunkbox 0:79620c558b0c 474 ed->HeadTd = (u32)head | (ed->HeadTd & 0x00000002); // carry toggle
radiojunkbox 0:79620c558b0c 475 ed->TailTd = (u32)tail;
radiojunkbox 0:79620c558b0c 476
radiojunkbox 0:79620c558b0c 477 //HCTD* td = head;
radiojunkbox 0:79620c558b0c 478 //LOG("%04X TD %08X %08X %08X Next:%08X\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
radiojunkbox 0:79620c558b0c 479 //LOG("%04X ED %08X %08X %08X\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
radiojunkbox 0:79620c558b0c 480
radiojunkbox 0:79620c558b0c 481 switch (endpoint->Flags & 3)
radiojunkbox 0:79620c558b0c 482 {
radiojunkbox 0:79620c558b0c 483 case ENDPOINT_CONTROL:
radiojunkbox 0:79620c558b0c 484 LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
radiojunkbox 0:79620c558b0c 485 endpoint->CurrentState = state; // Get in before an int
radiojunkbox 0:79620c558b0c 486 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | ControlListFilled;
radiojunkbox 0:79620c558b0c 487 LPC_USB->HcControl = LPC_USB->HcControl | ControlListEnable;
radiojunkbox 0:79620c558b0c 488 break;
radiojunkbox 0:79620c558b0c 489
radiojunkbox 0:79620c558b0c 490 case ENDPOINT_BULK:
radiojunkbox 0:79620c558b0c 491 LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
radiojunkbox 0:79620c558b0c 492 endpoint->CurrentState = state;
radiojunkbox 0:79620c558b0c 493 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | BulkListFilled;
radiojunkbox 0:79620c558b0c 494 LPC_USB->HcControl = LPC_USB->HcControl | BulkListEnable;
radiojunkbox 0:79620c558b0c 495 break;
radiojunkbox 0:79620c558b0c 496
radiojunkbox 0:79620c558b0c 497 case ENDPOINT_INTERRUPT:
radiojunkbox 0:79620c558b0c 498 CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
radiojunkbox 0:79620c558b0c 499 endpoint->CurrentState = state;
radiojunkbox 0:79620c558b0c 500 LPC_USB->HcControl |= PeriodicListEnable;
radiojunkbox 0:79620c558b0c 501 break;
radiojunkbox 0:79620c558b0c 502 }
radiojunkbox 0:79620c558b0c 503 return 0;
radiojunkbox 0:79620c558b0c 504 }
radiojunkbox 0:79620c558b0c 505
radiojunkbox 0:79620c558b0c 506 // Remove an endpoint from an active queue
radiojunkbox 0:79620c558b0c 507 bool Remove(HCED* ed, volatile HCED** queue)
radiojunkbox 0:79620c558b0c 508 {
radiojunkbox 0:79620c558b0c 509 if (*queue == 0)
radiojunkbox 0:79620c558b0c 510 return false;
radiojunkbox 0:79620c558b0c 511 if (*queue == (volatile HCED*)ed)
radiojunkbox 0:79620c558b0c 512 {
radiojunkbox 0:79620c558b0c 513 *queue = (volatile HCED*)ed->Next; // At head of queue
radiojunkbox 0:79620c558b0c 514 return true;
radiojunkbox 0:79620c558b0c 515 }
radiojunkbox 0:79620c558b0c 516
radiojunkbox 0:79620c558b0c 517 volatile HCED* head = *queue;
radiojunkbox 0:79620c558b0c 518 while (head)
radiojunkbox 0:79620c558b0c 519 {
radiojunkbox 0:79620c558b0c 520 if (head->Next == (u32)ed)
radiojunkbox 0:79620c558b0c 521 {
radiojunkbox 0:79620c558b0c 522 head->Next = ed->Next;
radiojunkbox 0:79620c558b0c 523 return true;
radiojunkbox 0:79620c558b0c 524 }
radiojunkbox 0:79620c558b0c 525 head = (volatile HCED*)head->Next;
radiojunkbox 0:79620c558b0c 526 }
radiojunkbox 0:79620c558b0c 527 return false;
radiojunkbox 0:79620c558b0c 528 }
radiojunkbox 0:79620c558b0c 529
radiojunkbox 0:79620c558b0c 530 void Release(Endpoint* endpoint)
radiojunkbox 0:79620c558b0c 531 {
radiojunkbox 0:79620c558b0c 532 if (endpoint->CurrentState == Endpoint::NotQueued)
radiojunkbox 0:79620c558b0c 533 {
radiojunkbox 0:79620c558b0c 534 // Never event used it, nothing to do
radiojunkbox 0:79620c558b0c 535 }
radiojunkbox 0:79620c558b0c 536 else
radiojunkbox 0:79620c558b0c 537 {
radiojunkbox 0:79620c558b0c 538 HCED* ed = (HCED*)endpoint;
radiojunkbox 0:79620c558b0c 539 ed->Control |= 0x4000; // SKIP
radiojunkbox 0:79620c558b0c 540 switch (endpoint->Flags & 0x03)
radiojunkbox 0:79620c558b0c 541 {
radiojunkbox 0:79620c558b0c 542 case ENDPOINT_CONTROL:
radiojunkbox 0:79620c558b0c 543 Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
radiojunkbox 0:79620c558b0c 544 break;
radiojunkbox 0:79620c558b0c 545 case ENDPOINT_BULK:
radiojunkbox 0:79620c558b0c 546 Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
radiojunkbox 0:79620c558b0c 547 break;
radiojunkbox 0:79620c558b0c 548 case ENDPOINT_INTERRUPT:
radiojunkbox 0:79620c558b0c 549 for (int i = 0; i < 32; i++)
radiojunkbox 0:79620c558b0c 550 Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
radiojunkbox 0:79620c558b0c 551 break;
radiojunkbox 0:79620c558b0c 552 }
radiojunkbox 0:79620c558b0c 553
radiojunkbox 0:79620c558b0c 554 u16 fn = CommunicationArea.FrameNumber;
radiojunkbox 0:79620c558b0c 555 while (fn == CommunicationArea.FrameNumber)
radiojunkbox 0:79620c558b0c 556 ; // Wait for next frame
radiojunkbox 0:79620c558b0c 557
radiojunkbox 0:79620c558b0c 558 }
radiojunkbox 0:79620c558b0c 559
radiojunkbox 0:79620c558b0c 560 // In theory, the endpoint is now dead.
radiojunkbox 0:79620c558b0c 561 // TODO: Will Callbacks ever be pending? BUGBUG
radiojunkbox 0:79620c558b0c 562 memset(endpoint,0,sizeof(Endpoint));
radiojunkbox 0:79620c558b0c 563 }
radiojunkbox 0:79620c558b0c 564
radiojunkbox 0:79620c558b0c 565 // Pop the last TD from the list
radiojunkbox 0:79620c558b0c 566 HCTD* Reverse(HCTD* current)
radiojunkbox 0:79620c558b0c 567 {
radiojunkbox 0:79620c558b0c 568 HCTD *result = NULL,*temp;
radiojunkbox 0:79620c558b0c 569 while (current)
radiojunkbox 0:79620c558b0c 570 {
radiojunkbox 0:79620c558b0c 571 temp = (HCTD*)current->Next;
radiojunkbox 0:79620c558b0c 572 current->Next = (u32)result;
radiojunkbox 0:79620c558b0c 573 result = current;
radiojunkbox 0:79620c558b0c 574 current = temp;
radiojunkbox 0:79620c558b0c 575 }
radiojunkbox 0:79620c558b0c 576 return result;
radiojunkbox 0:79620c558b0c 577 }
radiojunkbox 0:79620c558b0c 578
radiojunkbox 0:79620c558b0c 579 // Called from interrupt...
radiojunkbox 0:79620c558b0c 580 // Control endpoints use a state machine to progress through the transfers
radiojunkbox 0:79620c558b0c 581 void ProcessDoneQueue(u32 tdList)
radiojunkbox 0:79620c558b0c 582 {
radiojunkbox 0:79620c558b0c 583 HCTD* list = Reverse((HCTD*)tdList);
radiojunkbox 0:79620c558b0c 584 while (list)
radiojunkbox 0:79620c558b0c 585 {
radiojunkbox 0:79620c558b0c 586 Endpoint* endpoint = (Endpoint*)(list-1);
radiojunkbox 0:79620c558b0c 587 list = (HCTD*)list->Next;
radiojunkbox 0:79620c558b0c 588 int ep = endpoint->Address();
radiojunkbox 0:79620c558b0c 589 bool in = endpoint->Flags & 0x80;
radiojunkbox 0:79620c558b0c 590 int status = (endpoint->TDHead.Control >> 28) & 0xF;
radiojunkbox 0:79620c558b0c 591
radiojunkbox 0:79620c558b0c 592 //LOG("ProcessDoneQueue %02X %08X\n",ep,endpoint->TDHead.Control);
radiojunkbox 0:79620c558b0c 593
radiojunkbox 0:79620c558b0c 594 if (status != 0)
radiojunkbox 0:79620c558b0c 595 {
radiojunkbox 0:79620c558b0c 596 LOG("ProcessDoneQueue status %02X %d\n",ep,status);
radiojunkbox 0:79620c558b0c 597 endpoint->CurrentState = Endpoint::Idle;
radiojunkbox 0:79620c558b0c 598 } else {
radiojunkbox 0:79620c558b0c 599 switch (endpoint->CurrentState)
radiojunkbox 0:79620c558b0c 600 {
radiojunkbox 0:79620c558b0c 601 case Endpoint::SetupQueued:
radiojunkbox 0:79620c558b0c 602 if (endpoint->Length == 0)
radiojunkbox 0:79620c558b0c 603 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
radiojunkbox 0:79620c558b0c 604 else
radiojunkbox 0:79620c558b0c 605 Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
radiojunkbox 0:79620c558b0c 606 break;
radiojunkbox 0:79620c558b0c 607
radiojunkbox 0:79620c558b0c 608 case Endpoint::DataQueued:
radiojunkbox 0:79620c558b0c 609 if (endpoint->TDHead.CurrBufPtr)
radiojunkbox 0:79620c558b0c 610 endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
radiojunkbox 0:79620c558b0c 611
radiojunkbox 0:79620c558b0c 612 if (ep == 0)
radiojunkbox 0:79620c558b0c 613 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
radiojunkbox 0:79620c558b0c 614 else
radiojunkbox 0:79620c558b0c 615 endpoint->CurrentState = Endpoint::Idle;
radiojunkbox 0:79620c558b0c 616 break;
radiojunkbox 0:79620c558b0c 617
radiojunkbox 0:79620c558b0c 618 case Endpoint::StatusQueued: // Transaction is done
radiojunkbox 0:79620c558b0c 619 endpoint->CurrentState = Endpoint::Idle;
radiojunkbox 0:79620c558b0c 620 break;
radiojunkbox 0:79620c558b0c 621 }
radiojunkbox 0:79620c558b0c 622 }
radiojunkbox 0:79620c558b0c 623
radiojunkbox 0:79620c558b0c 624 // Complete, flag if we need a callback
radiojunkbox 0:79620c558b0c 625 if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
radiojunkbox 0:79620c558b0c 626 {
radiojunkbox 0:79620c558b0c 627 endpoint->CurrentState = Endpoint::CallbackPending;
radiojunkbox 0:79620c558b0c 628 _callbacksPending++;
radiojunkbox 0:79620c558b0c 629 }
radiojunkbox 0:79620c558b0c 630 }
radiojunkbox 0:79620c558b0c 631 }
radiojunkbox 0:79620c558b0c 632
radiojunkbox 0:79620c558b0c 633 // Hack to reset devices that don't want to connect
radiojunkbox 0:79620c558b0c 634 int AddDevice(int hub, int port, bool isLowSpeed)
radiojunkbox 0:79620c558b0c 635 {
radiojunkbox 0:79620c558b0c 636 int device = AddDeviceCore(hub,port,isLowSpeed);
radiojunkbox 0:79620c558b0c 637 if (device < 0)
radiojunkbox 0:79620c558b0c 638 {
radiojunkbox 0:79620c558b0c 639 LOG("========RETRY ADD DEVICE========\n"); // This will go for ever.. TODO power cycle root?
radiojunkbox 0:79620c558b0c 640 Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
radiojunkbox 0:79620c558b0c 641 ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
radiojunkbox 0:79620c558b0c 642 return -1;
radiojunkbox 0:79620c558b0c 643 }
radiojunkbox 0:79620c558b0c 644 return device;
radiojunkbox 0:79620c558b0c 645 }
radiojunkbox 0:79620c558b0c 646
radiojunkbox 0:79620c558b0c 647 int AddDeviceCore(int hub, int port, bool isLowSpeed)
radiojunkbox 0:79620c558b0c 648 {
radiojunkbox 0:79620c558b0c 649 int lowSpeed = isLowSpeed ? 0x2000 : 0;
radiojunkbox 0:79620c558b0c 650 DeviceDescriptor desc;
radiojunkbox 0:79620c558b0c 651 EndpointZero.EndpointDescriptor.Control = (8 << 16) | lowSpeed; // MaxPacketSize == 8
radiojunkbox 0:79620c558b0c 652 int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
radiojunkbox 0:79620c558b0c 653 if (r < 0)
radiojunkbox 0:79620c558b0c 654 {
radiojunkbox 0:79620c558b0c 655 LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\n");
radiojunkbox 0:79620c558b0c 656 return r;
radiojunkbox 0:79620c558b0c 657 }
radiojunkbox 0:79620c558b0c 658
radiojunkbox 0:79620c558b0c 659 EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) | lowSpeed; // Actual MaxPacketSize
radiojunkbox 0:79620c558b0c 660 r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
radiojunkbox 0:79620c558b0c 661 if (r < 0)
radiojunkbox 0:79620c558b0c 662 return r;
radiojunkbox 0:79620c558b0c 663
radiojunkbox 0:79620c558b0c 664 LOG("\nClass %02X found %04X:%04X\n\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
radiojunkbox 0:79620c558b0c 665
radiojunkbox 0:79620c558b0c 666 // Now assign the device an address, move off EndpointZero
radiojunkbox 0:79620c558b0c 667 int device = 0;
radiojunkbox 0:79620c558b0c 668 for (int i = 0; i < MAX_DEVICES; i++)
radiojunkbox 0:79620c558b0c 669 {
radiojunkbox 0:79620c558b0c 670 if (Devices[i].Port == 0)
radiojunkbox 0:79620c558b0c 671 {
radiojunkbox 0:79620c558b0c 672 device = i+1;
radiojunkbox 0:79620c558b0c 673 break;
radiojunkbox 0:79620c558b0c 674 }
radiojunkbox 0:79620c558b0c 675 }
radiojunkbox 0:79620c558b0c 676 if (!device)
radiojunkbox 0:79620c558b0c 677 return ERR_DEVICE_NONE_LEFT;
radiojunkbox 0:79620c558b0c 678
radiojunkbox 0:79620c558b0c 679 r = SetAddress(0,device);
radiojunkbox 0:79620c558b0c 680 if (r)
radiojunkbox 0:79620c558b0c 681 return r;
radiojunkbox 0:79620c558b0c 682 DelayMS(2);
radiojunkbox 0:79620c558b0c 683
radiojunkbox 0:79620c558b0c 684 // Now at a nonzero address, create control endpoint
radiojunkbox 0:79620c558b0c 685 Device* dev = &Devices[device-1];
radiojunkbox 0:79620c558b0c 686 dev->Init(&desc,hub,port,device,lowSpeed);
radiojunkbox 0:79620c558b0c 687 AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
radiojunkbox 0:79620c558b0c 688 _connectPending = 0;
radiojunkbox 0:79620c558b0c 689
radiojunkbox 0:79620c558b0c 690 // Verify this all works
radiojunkbox 0:79620c558b0c 691 r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
radiojunkbox 0:79620c558b0c 692 if (r < 0)
radiojunkbox 0:79620c558b0c 693 return r;
radiojunkbox 0:79620c558b0c 694
radiojunkbox 0:79620c558b0c 695 // Set to interface 0 by default
radiojunkbox 0:79620c558b0c 696 // Calls LoadDevice if interface is found
radiojunkbox 0:79620c558b0c 697 r = SetConfigurationAndInterface(device,1,0,&desc);
radiojunkbox 0:79620c558b0c 698
radiojunkbox 0:79620c558b0c 699 if (desc.bDeviceClass == CLASS_HUB)
radiojunkbox 0:79620c558b0c 700 InitHub(device); // Handle hubs in this code
radiojunkbox 0:79620c558b0c 701
radiojunkbox 0:79620c558b0c 702 return device;
radiojunkbox 0:79620c558b0c 703 }
radiojunkbox 0:79620c558b0c 704
radiojunkbox 0:79620c558b0c 705 // Walk descriptors and create endpoints for a given device
radiojunkbox 0:79620c558b0c 706 // TODO configuration !=1, alternate settings etc.
radiojunkbox 0:79620c558b0c 707 int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
radiojunkbox 0:79620c558b0c 708 {
radiojunkbox 0:79620c558b0c 709 u8 buffer[255];
radiojunkbox 0:79620c558b0c 710 int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
radiojunkbox 0:79620c558b0c 711 if (err < 0)
radiojunkbox 0:79620c558b0c 712 return err;
radiojunkbox 0:79620c558b0c 713
radiojunkbox 0:79620c558b0c 714 err = SetConfiguration(device,configuration);
radiojunkbox 0:79620c558b0c 715 if (err < 0)
radiojunkbox 0:79620c558b0c 716 return err;
radiojunkbox 0:79620c558b0c 717
radiojunkbox 0:79620c558b0c 718 // Add the endpoints for this interface
radiojunkbox 0:79620c558b0c 719 int len = buffer[2] | (buffer[3] << 8);
radiojunkbox 0:79620c558b0c 720 u8* d = buffer;
radiojunkbox 0:79620c558b0c 721 u8* end = d + len;
radiojunkbox 0:79620c558b0c 722 InterfaceDescriptor* found = 0;
radiojunkbox 0:79620c558b0c 723 while (d < end)
radiojunkbox 0:79620c558b0c 724 {
radiojunkbox 0:79620c558b0c 725 if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
radiojunkbox 0:79620c558b0c 726 {
radiojunkbox 0:79620c558b0c 727 InterfaceDescriptor* id = (InterfaceDescriptor*)d;
radiojunkbox 0:79620c558b0c 728 // Modified by RadioJunkBox ---------------------------------
radiojunkbox 0:79620c558b0c 729 if (id->bNumEndpoints != 0)
radiojunkbox 0:79620c558b0c 730 // if (id->bInterfaceNumber == interfaceNumber)
radiojunkbox 0:79620c558b0c 731 // -----------------------------------------------------------
radiojunkbox 0:79620c558b0c 732 {
radiojunkbox 0:79620c558b0c 733 found = id;
radiojunkbox 0:79620c558b0c 734 d += d[0];
radiojunkbox 0:79620c558b0c 735 while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
radiojunkbox 0:79620c558b0c 736 {
radiojunkbox 0:79620c558b0c 737 switch (d[1])
radiojunkbox 0:79620c558b0c 738 {
radiojunkbox 0:79620c558b0c 739 case DESCRIPTOR_TYPE_ENDPOINT:
radiojunkbox 0:79620c558b0c 740 AddEndpoint(device,(EndpointDescriptor*)d);
radiojunkbox 0:79620c558b0c 741 break;
radiojunkbox 0:79620c558b0c 742 default:
radiojunkbox 0:79620c558b0c 743 LOG("Skipping descriptor %02X (%d bytes)\n",d[1],d[0]);
radiojunkbox 0:79620c558b0c 744 }
radiojunkbox 0:79620c558b0c 745 d += d[0];
radiojunkbox 0:79620c558b0c 746 }
radiojunkbox 0:79620c558b0c 747 }
radiojunkbox 0:79620c558b0c 748 }
radiojunkbox 0:79620c558b0c 749 d += d[0];
radiojunkbox 0:79620c558b0c 750 }
radiojunkbox 0:79620c558b0c 751
radiojunkbox 0:79620c558b0c 752 if (!found)
radiojunkbox 0:79620c558b0c 753 return ERR_INTERFACE_NOT_FOUND;
radiojunkbox 0:79620c558b0c 754 OnLoadDevice(device,desc,found);
radiojunkbox 0:79620c558b0c 755 return 0;
radiojunkbox 0:79620c558b0c 756 }
radiojunkbox 0:79620c558b0c 757
radiojunkbox 0:79620c558b0c 758 void Init()
radiojunkbox 0:79620c558b0c 759 {
radiojunkbox 0:79620c558b0c 760 LOG("USB INIT (Controller is %d bytes)\n",sizeof(*this));
radiojunkbox 0:79620c558b0c 761 memset(this,0,sizeof(HostController));
radiojunkbox 0:79620c558b0c 762 EndpointZero.CurrentState = Endpoint::NotQueued;
radiojunkbox 0:79620c558b0c 763 HWInit(&CommunicationArea);
radiojunkbox 0:79620c558b0c 764 DelayMS(10);
radiojunkbox 0:79620c558b0c 765 }
radiojunkbox 0:79620c558b0c 766
radiojunkbox 0:79620c558b0c 767 void ResetPort(int hub, int port)
radiojunkbox 0:79620c558b0c 768 {
radiojunkbox 0:79620c558b0c 769 LOG("ResetPort Hub:%d Port:%d\n",hub,port);
radiojunkbox 0:79620c558b0c 770 _connectPending++; // Only reset/add 1 device at a time
radiojunkbox 0:79620c558b0c 771 if (hub == 0)
radiojunkbox 0:79620c558b0c 772 LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
radiojunkbox 0:79620c558b0c 773 else
radiojunkbox 0:79620c558b0c 774 SetPortReset(hub,port); // or reset other hub
radiojunkbox 0:79620c558b0c 775 }
radiojunkbox 0:79620c558b0c 776
radiojunkbox 0:79620c558b0c 777 void Disconnect(int hub, int port)
radiojunkbox 0:79620c558b0c 778 {
radiojunkbox 0:79620c558b0c 779 LOG("Disconnect Hub:%d Port:%d\n",hub,port); // Mark a device for destruction
radiojunkbox 0:79620c558b0c 780 for (int i = 0; i < MAX_DEVICES; i++)
radiojunkbox 0:79620c558b0c 781 {
radiojunkbox 0:79620c558b0c 782 Device* dev = Devices + i;
radiojunkbox 0:79620c558b0c 783 if (dev->Port == port && dev->Hub == hub)
radiojunkbox 0:79620c558b0c 784 {
radiojunkbox 0:79620c558b0c 785 // Disconnect everything that is attached to this device if it is a hub
radiojunkbox 0:79620c558b0c 786 for (int p = 0; p < dev->HubPortCount; p++)
radiojunkbox 0:79620c558b0c 787 Disconnect(i+1,p+1);
radiojunkbox 0:79620c558b0c 788
radiojunkbox 0:79620c558b0c 789 // Now release endpoints
radiojunkbox 0:79620c558b0c 790 for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
radiojunkbox 0:79620c558b0c 791 {
radiojunkbox 0:79620c558b0c 792 u8 endpointIndex = dev->_endpointMap[j];
radiojunkbox 0:79620c558b0c 793 if (endpointIndex != 0xFF)
radiojunkbox 0:79620c558b0c 794 Release(Endpoints + endpointIndex);
radiojunkbox 0:79620c558b0c 795 }
radiojunkbox 0:79620c558b0c 796 dev->Port = 0; // Device is now free
radiojunkbox 0:79620c558b0c 797 dev->Flags = 0;
radiojunkbox 0:79620c558b0c 798 return;
radiojunkbox 0:79620c558b0c 799 }
radiojunkbox 0:79620c558b0c 800 }
radiojunkbox 0:79620c558b0c 801 }
radiojunkbox 0:79620c558b0c 802
radiojunkbox 0:79620c558b0c 803 // called after reset
radiojunkbox 0:79620c558b0c 804 void Connect(int hub, int port, bool lowspeed)
radiojunkbox 0:79620c558b0c 805 {
radiojunkbox 0:79620c558b0c 806 LOG("Connect Hub:%d Port:%d %s\n",hub,port,lowspeed ? "slow" : "full");
radiojunkbox 0:79620c558b0c 807 AddDevice(hub,port,lowspeed);
radiojunkbox 0:79620c558b0c 808 }
radiojunkbox 0:79620c558b0c 809
radiojunkbox 0:79620c558b0c 810 // Called from interrupt
radiojunkbox 0:79620c558b0c 811 void HubStatusChange(int hub, int port, u32 status)
radiojunkbox 0:79620c558b0c 812 {
radiojunkbox 0:79620c558b0c 813 LOG("HubStatusChange Hub:%d Port:%d %08X\n",hub,port,status);
radiojunkbox 0:79620c558b0c 814 if (status & ConnectStatusChange)
radiojunkbox 0:79620c558b0c 815 {
radiojunkbox 0:79620c558b0c 816 if (status & CurrentConnectStatus) // Connecting
radiojunkbox 0:79620c558b0c 817 ResetPort(hub,port); // Reset to initiate connect (state machine?)
radiojunkbox 0:79620c558b0c 818 else
radiojunkbox 0:79620c558b0c 819 Disconnect(hub,port);
radiojunkbox 0:79620c558b0c 820 }
radiojunkbox 0:79620c558b0c 821
radiojunkbox 0:79620c558b0c 822 if (status & PortResetStatusChange)
radiojunkbox 0:79620c558b0c 823 {
radiojunkbox 0:79620c558b0c 824 if (!(status & PortResetStatus))
radiojunkbox 0:79620c558b0c 825 {
radiojunkbox 0:79620c558b0c 826 _connectCountdown = 200; // Schedule a connection in 200ms
radiojunkbox 0:79620c558b0c 827 if (status & LowspeedDevice)
radiojunkbox 0:79620c558b0c 828 port |= 0x80;
radiojunkbox 0:79620c558b0c 829 _connectHub = hub;
radiojunkbox 0:79620c558b0c 830 _connectPort = port;
radiojunkbox 0:79620c558b0c 831 }
radiojunkbox 0:79620c558b0c 832 }
radiojunkbox 0:79620c558b0c 833 }
radiojunkbox 0:79620c558b0c 834
radiojunkbox 0:79620c558b0c 835 #define HOST_CLK_EN (1<<0)
radiojunkbox 0:79620c558b0c 836 #define PORTSEL_CLK_EN (1<<3)
radiojunkbox 0:79620c558b0c 837 #define AHB_CLK_EN (1<<4)
radiojunkbox 0:79620c558b0c 838 #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
radiojunkbox 0:79620c558b0c 839
radiojunkbox 0:79620c558b0c 840 #define FRAMEINTERVAL (12000-1) // 1ms
radiojunkbox 0:79620c558b0c 841 #define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) | FRAMEINTERVAL)
radiojunkbox 0:79620c558b0c 842
radiojunkbox 0:79620c558b0c 843 void DelayMS(int ms)
radiojunkbox 0:79620c558b0c 844 {
radiojunkbox 0:79620c558b0c 845 u16 f = ms + CommunicationArea.FrameNumber;
radiojunkbox 0:79620c558b0c 846 while (f != CommunicationArea.FrameNumber)
radiojunkbox 0:79620c558b0c 847 ;
radiojunkbox 0:79620c558b0c 848 }
radiojunkbox 0:79620c558b0c 849
radiojunkbox 0:79620c558b0c 850 static void HWInit(HCCA* cca)
radiojunkbox 0:79620c558b0c 851 {
radiojunkbox 0:79620c558b0c 852 NVIC_DisableIRQ(USB_IRQn);
radiojunkbox 0:79620c558b0c 853
radiojunkbox 0:79620c558b0c 854 // turn on power for USB
radiojunkbox 0:79620c558b0c 855 LPC_SC->PCONP |= (1UL<<31);
radiojunkbox 0:79620c558b0c 856 // Enable USB host clock, port selection and AHB clock
radiojunkbox 0:79620c558b0c 857 LPC_USB->USBClkCtrl |= CLOCK_MASK;
radiojunkbox 0:79620c558b0c 858 // Wait for clocks to become available
radiojunkbox 0:79620c558b0c 859 while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
radiojunkbox 0:79620c558b0c 860 ;
radiojunkbox 0:79620c558b0c 861
radiojunkbox 0:79620c558b0c 862 // We are a Host
radiojunkbox 0:79620c558b0c 863 LPC_USB->OTGStCtrl |= 1;
radiojunkbox 0:79620c558b0c 864 LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
radiojunkbox 0:79620c558b0c 865
radiojunkbox 0:79620c558b0c 866 // configure USB pins
radiojunkbox 0:79620c558b0c 867 LPC_PINCON->PINSEL1 &= ~((3<<26)|(3<<28));
radiojunkbox 0:79620c558b0c 868 LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // USB D+/D-
radiojunkbox 0:79620c558b0c 869
radiojunkbox 0:79620c558b0c 870 LPC_PINCON->PINSEL3 &= ~((3 << 6) | (3 << 22)); // USB_PPWR, USB_OVRCR
radiojunkbox 0:79620c558b0c 871 LPC_PINCON->PINSEL3 |= ((2 << 6) | (2 << 22));
radiojunkbox 0:79620c558b0c 872
radiojunkbox 0:79620c558b0c 873 LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
radiojunkbox 0:79620c558b0c 874 LPC_PINCON->PINSEL4 |= (1 << 18);
radiojunkbox 0:79620c558b0c 875
radiojunkbox 0:79620c558b0c 876 // Reset OHCI block
radiojunkbox 0:79620c558b0c 877 LPC_USB->HcControl = 0;
radiojunkbox 0:79620c558b0c 878 LPC_USB->HcControlHeadED = 0;
radiojunkbox 0:79620c558b0c 879 LPC_USB->HcBulkHeadED = 0;
radiojunkbox 0:79620c558b0c 880
radiojunkbox 0:79620c558b0c 881 LPC_USB->HcCommandStatus = HostControllerReset;
radiojunkbox 0:79620c558b0c 882 LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
radiojunkbox 0:79620c558b0c 883 LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
radiojunkbox 0:79620c558b0c 884
radiojunkbox 0:79620c558b0c 885 LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) | OperationalMask;
radiojunkbox 0:79620c558b0c 886 LPC_USB->HcRhStatus = SetGlobalPower;
radiojunkbox 0:79620c558b0c 887
radiojunkbox 0:79620c558b0c 888 LPC_USB->HcHCCA = (u32)cca;
radiojunkbox 0:79620c558b0c 889 LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus;
radiojunkbox 0:79620c558b0c 890 LPC_USB->HcInterruptEnable = MasterInterruptEnable | WritebackDoneHead | RootHubStatusChange | FrameNumberOverflow;
radiojunkbox 0:79620c558b0c 891
radiojunkbox 0:79620c558b0c 892 NVIC_SetPriority(USB_IRQn, 0);
radiojunkbox 0:79620c558b0c 893 NVIC_EnableIRQ(USB_IRQn);
radiojunkbox 0:79620c558b0c 894 while (cca->FrameNumber < 10)
radiojunkbox 0:79620c558b0c 895 ; // 10ms delay before diving in
radiojunkbox 0:79620c558b0c 896 }
radiojunkbox 0:79620c558b0c 897 };
radiojunkbox 0:79620c558b0c 898
radiojunkbox 0:79620c558b0c 899 //====================================================================================
radiojunkbox 0:79620c558b0c 900 //====================================================================================
radiojunkbox 0:79620c558b0c 901 // Host controller instance and Interrupt handler
radiojunkbox 0:79620c558b0c 902
radiojunkbox 0:79620c558b0c 903 static HostController _controller __attribute__((at(USB_RAM_BASE)));
radiojunkbox 0:79620c558b0c 904
radiojunkbox 0:79620c558b0c 905 extern "C" void USB_IRQHandler(void) __irq;
radiojunkbox 0:79620c558b0c 906 void USB_IRQHandler (void) __irq
radiojunkbox 0:79620c558b0c 907 {
radiojunkbox 0:79620c558b0c 908 u32 int_status = LPC_USB->HcInterruptStatus;
radiojunkbox 0:79620c558b0c 909
radiojunkbox 0:79620c558b0c 910 if (int_status & RootHubStatusChange) // Root hub status change
radiojunkbox 0:79620c558b0c 911 _controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
radiojunkbox 0:79620c558b0c 912
radiojunkbox 0:79620c558b0c 913 u32 head = 0;
radiojunkbox 0:79620c558b0c 914 if (int_status & WritebackDoneHead)
radiojunkbox 0:79620c558b0c 915 {
radiojunkbox 0:79620c558b0c 916 head = _controller.CommunicationArea.DoneHead; // Writeback Done
radiojunkbox 0:79620c558b0c 917 _controller.CommunicationArea.DoneHead = 0;
radiojunkbox 0:79620c558b0c 918 }
radiojunkbox 0:79620c558b0c 919 LPC_USB->HcInterruptStatus = int_status;
radiojunkbox 0:79620c558b0c 920
radiojunkbox 0:79620c558b0c 921 if (head)
radiojunkbox 0:79620c558b0c 922 _controller.ProcessDoneQueue(head); // TODO - low bit can be set BUGBUG
radiojunkbox 0:79620c558b0c 923 }
radiojunkbox 0:79620c558b0c 924
radiojunkbox 0:79620c558b0c 925 //====================================================================================
radiojunkbox 0:79620c558b0c 926 //====================================================================================
radiojunkbox 0:79620c558b0c 927 // API Methods
radiojunkbox 0:79620c558b0c 928
radiojunkbox 0:79620c558b0c 929 void USBInit()
radiojunkbox 0:79620c558b0c 930 {
radiojunkbox 0:79620c558b0c 931 return _controller.Init();
radiojunkbox 0:79620c558b0c 932 }
radiojunkbox 0:79620c558b0c 933
radiojunkbox 0:79620c558b0c 934 void USBLoop()
radiojunkbox 0:79620c558b0c 935 {
radiojunkbox 0:79620c558b0c 936 return _controller.Loop();
radiojunkbox 0:79620c558b0c 937 }
radiojunkbox 0:79620c558b0c 938
radiojunkbox 0:79620c558b0c 939 u8* USBGetBuffer(u32* len)
radiojunkbox 0:79620c558b0c 940 {
radiojunkbox 0:79620c558b0c 941 *len = USB_RAM_SIZE - sizeof(HostController);
radiojunkbox 0:79620c558b0c 942 return _controller.SRAM;
radiojunkbox 0:79620c558b0c 943 }
radiojunkbox 0:79620c558b0c 944
radiojunkbox 0:79620c558b0c 945 static Setup* GetSetup(int device)
radiojunkbox 0:79620c558b0c 946 {
radiojunkbox 0:79620c558b0c 947 if (device == 0)
radiojunkbox 0:79620c558b0c 948 return &_controller._setupZero;
radiojunkbox 0:79620c558b0c 949
radiojunkbox 0:79620c558b0c 950 if (device < 1 || device > MAX_DEVICES)
radiojunkbox 0:79620c558b0c 951 return 0;
radiojunkbox 0:79620c558b0c 952 return &_controller.Devices[device-1].SetupBuffer;
radiojunkbox 0:79620c558b0c 953 }
radiojunkbox 0:79620c558b0c 954
radiojunkbox 0:79620c558b0c 955 // Loop until IO on endpoint is complete
radiojunkbox 0:79620c558b0c 956 static int WaitIODone(Endpoint* endpoint)
radiojunkbox 0:79620c558b0c 957 {
radiojunkbox 0:79620c558b0c 958 if (endpoint->CurrentState == Endpoint::NotQueued)
radiojunkbox 0:79620c558b0c 959 return 0;
radiojunkbox 0:79620c558b0c 960 while (endpoint->CurrentState != Endpoint::Idle)
radiojunkbox 0:79620c558b0c 961 USBLoop(); // May generate callbacks, mount or unmount devices etc
radiojunkbox 0:79620c558b0c 962 int status = endpoint->Status();
radiojunkbox 0:79620c558b0c 963 if (status == 0)
radiojunkbox 0:79620c558b0c 964 return endpoint->Length;
radiojunkbox 0:79620c558b0c 965 return -status;
radiojunkbox 0:79620c558b0c 966 }
radiojunkbox 0:79620c558b0c 967
radiojunkbox 0:79620c558b0c 968 int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
radiojunkbox 0:79620c558b0c 969 {
radiojunkbox 0:79620c558b0c 970 Endpoint* endpoint = _controller.GetEndpoint(device,ep);
radiojunkbox 0:79620c558b0c 971 if (!endpoint)
radiojunkbox 0:79620c558b0c 972 return ERR_ENDPOINT_NOT_FOUND;
radiojunkbox 0:79620c558b0c 973
radiojunkbox 0:79620c558b0c 974 WaitIODone(endpoint);
radiojunkbox 0:79620c558b0c 975 endpoint->Flags = flags;
radiojunkbox 0:79620c558b0c 976 endpoint->Data = data;
radiojunkbox 0:79620c558b0c 977 endpoint->Length = length;
radiojunkbox 0:79620c558b0c 978 endpoint->Callback = callback;
radiojunkbox 0:79620c558b0c 979 endpoint->UserData = userData;
radiojunkbox 0:79620c558b0c 980 if (ep == 0)
radiojunkbox 0:79620c558b0c 981 _controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
radiojunkbox 0:79620c558b0c 982 else
radiojunkbox 0:79620c558b0c 983 _controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
radiojunkbox 0:79620c558b0c 984 if (callback)
radiojunkbox 0:79620c558b0c 985 return IO_PENDING;
radiojunkbox 0:79620c558b0c 986 return WaitIODone(endpoint);
radiojunkbox 0:79620c558b0c 987 }
radiojunkbox 0:79620c558b0c 988
radiojunkbox 0:79620c558b0c 989 int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
radiojunkbox 0:79620c558b0c 990 {
radiojunkbox 0:79620c558b0c 991 Setup* setup = GetSetup(device);
radiojunkbox 0:79620c558b0c 992 if (!setup)
radiojunkbox 0:79620c558b0c 993 return ERR_DEVICE_NOT_FOUND;
radiojunkbox 0:79620c558b0c 994
radiojunkbox 0:79620c558b0c 995 // Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
radiojunkbox 0:79620c558b0c 996 WaitIODone(_controller.GetEndpoint(device,0));
radiojunkbox 0:79620c558b0c 997
radiojunkbox 0:79620c558b0c 998 setup->bm_request_type = request_type;
radiojunkbox 0:79620c558b0c 999 setup->b_request = request;
radiojunkbox 0:79620c558b0c 1000 setup->w_value = value;
radiojunkbox 0:79620c558b0c 1001 setup->w_index = index;
radiojunkbox 0:79620c558b0c 1002 setup->w_length = length;
radiojunkbox 0:79620c558b0c 1003 return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
radiojunkbox 0:79620c558b0c 1004 }
radiojunkbox 0:79620c558b0c 1005
radiojunkbox 0:79620c558b0c 1006 int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
radiojunkbox 0:79620c558b0c 1007 {
radiojunkbox 0:79620c558b0c 1008 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_INTERRUPT,data,length,callback,userData);
radiojunkbox 0:79620c558b0c 1009 }
radiojunkbox 0:79620c558b0c 1010
radiojunkbox 0:79620c558b0c 1011 int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
radiojunkbox 0:79620c558b0c 1012 {
radiojunkbox 0:79620c558b0c 1013 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_BULK,data,length,callback,userData);
radiojunkbox 0:79620c558b0c 1014 }
radiojunkbox 0:79620c558b0c 1015
radiojunkbox 0:79620c558b0c 1016 int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
radiojunkbox 0:79620c558b0c 1017 {
radiojunkbox 0:79620c558b0c 1018 return USBControlTransfer(device,DEVICE_TO_HOST | RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)|(descIndex), 0, data, length, 0);
radiojunkbox 0:79620c558b0c 1019 }
radiojunkbox 0:79620c558b0c 1020
radiojunkbox 0:79620c558b0c 1021 int GetString(int device, int index, char* dst, int length)
radiojunkbox 0:79620c558b0c 1022 {
radiojunkbox 0:79620c558b0c 1023 u8 buffer[255];
radiojunkbox 0:79620c558b0c 1024 int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
radiojunkbox 0:79620c558b0c 1025 if (le < 0)
radiojunkbox 0:79620c558b0c 1026 return le;
radiojunkbox 0:79620c558b0c 1027 if (length < 1)
radiojunkbox 0:79620c558b0c 1028 return -1;
radiojunkbox 0:79620c558b0c 1029 length <<= 1;
radiojunkbox 0:79620c558b0c 1030 if (le > length)
radiojunkbox 0:79620c558b0c 1031 le = length;
radiojunkbox 0:79620c558b0c 1032 for (int j = 2; j < le; j += 2)
radiojunkbox 0:79620c558b0c 1033 *dst++ = buffer[j];
radiojunkbox 0:79620c558b0c 1034 *dst = 0;
radiojunkbox 0:79620c558b0c 1035 return (le>>1)-1;
radiojunkbox 0:79620c558b0c 1036 }
radiojunkbox 0:79620c558b0c 1037
radiojunkbox 0:79620c558b0c 1038 int SetAddress(int device, int new_addr)
radiojunkbox 0:79620c558b0c 1039 {
radiojunkbox 0:79620c558b0c 1040 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
radiojunkbox 0:79620c558b0c 1041 }
radiojunkbox 0:79620c558b0c 1042
radiojunkbox 0:79620c558b0c 1043 int SetConfiguration(int device, int configNum)
radiojunkbox 0:79620c558b0c 1044 {
radiojunkbox 0:79620c558b0c 1045 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
radiojunkbox 0:79620c558b0c 1046 }
radiojunkbox 0:79620c558b0c 1047
radiojunkbox 0:79620c558b0c 1048 int SetInterface(int device, int ifNum, int altNum)
radiojunkbox 0:79620c558b0c 1049 {
radiojunkbox 0:79620c558b0c 1050 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
radiojunkbox 0:79620c558b0c 1051 }
radiojunkbox 0:79620c558b0c 1052
radiojunkbox 0:79620c558b0c 1053 // HUB stuff
radiojunkbox 0:79620c558b0c 1054 int SetPortFeature(int device, int feature, int index)
radiojunkbox 0:79620c558b0c 1055 {
radiojunkbox 0:79620c558b0c 1056 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
radiojunkbox 0:79620c558b0c 1057 }
radiojunkbox 0:79620c558b0c 1058
radiojunkbox 0:79620c558b0c 1059 int ClearPortFeature(int device, int feature, int index)
radiojunkbox 0:79620c558b0c 1060 {
radiojunkbox 0:79620c558b0c 1061 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
radiojunkbox 0:79620c558b0c 1062 }
radiojunkbox 0:79620c558b0c 1063
radiojunkbox 0:79620c558b0c 1064 int SetPortPower(int device, int port)
radiojunkbox 0:79620c558b0c 1065 {
radiojunkbox 0:79620c558b0c 1066 int r = SetPortFeature(device,PORT_POWER,port);
radiojunkbox 0:79620c558b0c 1067 _controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
radiojunkbox 0:79620c558b0c 1068 return r;
radiojunkbox 0:79620c558b0c 1069 }
radiojunkbox 0:79620c558b0c 1070
radiojunkbox 0:79620c558b0c 1071 int SetPortReset(int device, int port)
radiojunkbox 0:79620c558b0c 1072 {
radiojunkbox 0:79620c558b0c 1073 return SetPortFeature(device,PORT_RESET,port);
radiojunkbox 0:79620c558b0c 1074 }
radiojunkbox 0:79620c558b0c 1075
radiojunkbox 0:79620c558b0c 1076 int GetPortStatus(int device, int port, u32* status)
radiojunkbox 0:79620c558b0c 1077 {
radiojunkbox 0:79620c558b0c 1078 return USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
radiojunkbox 0:79620c558b0c 1079 }