F3RC1班 / Mbed 2 deprecated F3RC_syudou_BUS_master

通信変えたやつです

Dependencies:   mbed

Fork of F3RC_syudou_master_3 by F3RC1班

USBHost.cpp@26:91dd637de4d4, 2017-09-14 (annotated)

Committer:
yuto17320508
Date:
Thu Sep 14 01:20:12 2017 +0000
Revision:
26:91dd637de4d4
Parent:
0:736c76a75def 
a

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hirokimineshita 0:736c76a75def 1
hirokimineshita 0:736c76a75def 2 /*
hirokimineshita 0:736c76a75def 3 Copyright (c) 2010 Peter Barrett
hirokimineshita 0:736c76a75def 4
hirokimineshita 0:736c76a75def 5 Permission is hereby granted, free of charge, to any person obtaining a copy
hirokimineshita 0:736c76a75def 6 of this software and associated documentation files (the "Software"), to deal
hirokimineshita 0:736c76a75def 7 in the Software without restriction, including without limitation the rights
hirokimineshita 0:736c76a75def 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hirokimineshita 0:736c76a75def 9 copies of the Software, and to permit persons to whom the Software is
hirokimineshita 0:736c76a75def 10 furnished to do so, subject to the following conditions:
hirokimineshita 0:736c76a75def 11
hirokimineshita 0:736c76a75def 12 The above copyright notice and this permission notice shall be included in
hirokimineshita 0:736c76a75def 13 all copies or substantial portions of the Software.
hirokimineshita 0:736c76a75def 14
hirokimineshita 0:736c76a75def 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hirokimineshita 0:736c76a75def 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hirokimineshita 0:736c76a75def 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hirokimineshita 0:736c76a75def 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hirokimineshita 0:736c76a75def 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hirokimineshita 0:736c76a75def 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hirokimineshita 0:736c76a75def 21 THE SOFTWARE.
hirokimineshita 0:736c76a75def 22 */
hirokimineshita 0:736c76a75def 23
hirokimineshita 0:736c76a75def 24 #include "mbed.h"
hirokimineshita 0:736c76a75def 25 #include "USBHost.h"
hirokimineshita 0:736c76a75def 26
hirokimineshita 0:736c76a75def 27 // Config (default uses x bytes)
hirokimineshita 0:736c76a75def 28 #define MAX_DEVICES 8 // Max number of devices
hirokimineshita 0:736c76a75def 29 #define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
hirokimineshita 0:736c76a75def 30 #define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
hirokimineshita 0:736c76a75def 31
hirokimineshita 0:736c76a75def 32 #define USBLOG 1
hirokimineshita 0:736c76a75def 33 #if USBLOG
hirokimineshita 0:736c76a75def 34 #define LOG(...) printf(__VA_ARGS__)
hirokimineshita 0:736c76a75def 35 #else
hirokimineshita 0:736c76a75def 36 #define LOG(...) do {} while(0)
hirokimineshita 0:736c76a75def 37 #endif
hirokimineshita 0:736c76a75def 38
hirokimineshita 0:736c76a75def 39 // USB host structures
hirokimineshita 0:736c76a75def 40
hirokimineshita 0:736c76a75def 41 #define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
hirokimineshita 0:736c76a75def 42 #define USB_RAM_BASE 0x2007C000
hirokimineshita 0:736c76a75def 43
hirokimineshita 0:736c76a75def 44 #define TOKEN_SETUP 0
hirokimineshita 0:736c76a75def 45 #define TOKEN_IN 1
hirokimineshita 0:736c76a75def 46 #define TOKEN_OUT 2
hirokimineshita 0:736c76a75def 47
hirokimineshita 0:736c76a75def 48 // Status flags from hub
hirokimineshita 0:736c76a75def 49 #define PORT_CONNECTION 0
hirokimineshita 0:736c76a75def 50 #define PORT_ENABLE 1
hirokimineshita 0:736c76a75def 51 #define PORT_SUSPEND 2
hirokimineshita 0:736c76a75def 52 #define PORT_OVER_CURRENT 3
hirokimineshita 0:736c76a75def 53 #define PORT_RESET 4
hirokimineshita 0:736c76a75def 54 #define PORT_POWER 8
hirokimineshita 0:736c76a75def 55 #define PORT_LOW_SPEED 9
hirokimineshita 0:736c76a75def 56
hirokimineshita 0:736c76a75def 57 #define C_PORT_CONNECTION 16
hirokimineshita 0:736c76a75def 58 #define C_PORT_ENABLE 17
hirokimineshita 0:736c76a75def 59 #define C_PORT_SUSPEND 18
hirokimineshita 0:736c76a75def 60 #define C_PORT_OVER_CURRENT 19
hirokimineshita 0:736c76a75def 61 #define C_PORT_RESET 20
hirokimineshita 0:736c76a75def 62
hirokimineshita 0:736c76a75def 63 typedef struct {
hirokimineshita 0:736c76a75def 64 u8 bm_request_type;
hirokimineshita 0:736c76a75def 65 u8 b_request;
hirokimineshita 0:736c76a75def 66 u16 w_value;
hirokimineshita 0:736c76a75def 67 u16 w_index;
hirokimineshita 0:736c76a75def 68 u16 w_length;
hirokimineshita 0:736c76a75def 69 } Setup;
hirokimineshita 0:736c76a75def 70
hirokimineshita 0:736c76a75def 71
hirokimineshita 0:736c76a75def 72 // Hub stuff is kept private just to keep api simple
hirokimineshita 0:736c76a75def 73 int SetPortFeature(int device, int feature, int index);
hirokimineshita 0:736c76a75def 74 int ClearPortFeature(int device, int feature, int index);
hirokimineshita 0:736c76a75def 75 int SetPortPower(int device, int port);
hirokimineshita 0:736c76a75def 76 int SetPortReset(int device, int port);
hirokimineshita 0:736c76a75def 77 int GetPortStatus(int device, int port, u32* status);
hirokimineshita 0:736c76a75def 78
hirokimineshita 0:736c76a75def 79 //===================================================================
hirokimineshita 0:736c76a75def 80 //===================================================================
hirokimineshita 0:736c76a75def 81 // Hardware defines
hirokimineshita 0:736c76a75def 82
hirokimineshita 0:736c76a75def 83 // HcControl
hirokimineshita 0:736c76a75def 84 #define PeriodicListEnable 0x00000004
hirokimineshita 0:736c76a75def 85 #define IsochronousEnable 0x00000008
hirokimineshita 0:736c76a75def 86 #define ControlListEnable 0x00000010
hirokimineshita 0:736c76a75def 87 #define BulkListEnable 0x00000020
hirokimineshita 0:736c76a75def 88 #define OperationalMask 0x00000080
hirokimineshita 0:736c76a75def 89 #define HostControllerFunctionalState 0x000000C0
hirokimineshita 0:736c76a75def 90
hirokimineshita 0:736c76a75def 91 // HcCommandStatus
hirokimineshita 0:736c76a75def 92 #define HostControllerReset 0x00000001
hirokimineshita 0:736c76a75def 93 #define ControlListFilled 0x00000002
hirokimineshita 0:736c76a75def 94 #define BulkListFilled 0x00000004
hirokimineshita 0:736c76a75def 95
hirokimineshita 0:736c76a75def 96 // HcInterruptStatus Register
hirokimineshita 0:736c76a75def 97 #define WritebackDoneHead 0x00000002
hirokimineshita 0:736c76a75def 98 #define StartofFrame 0x00000004
hirokimineshita 0:736c76a75def 99 #define ResumeDetected 0x00000008
hirokimineshita 0:736c76a75def 100 #define UnrecoverableError 0x00000010
hirokimineshita 0:736c76a75def 101 #define FrameNumberOverflow 0x00000020
hirokimineshita 0:736c76a75def 102 #define RootHubStatusChange 0x00000040
hirokimineshita 0:736c76a75def 103 #define OwnershipChange 0x00000080
hirokimineshita 0:736c76a75def 104 #define MasterInterruptEnable 0x80000000
hirokimineshita 0:736c76a75def 105
hirokimineshita 0:736c76a75def 106 // HcRhStatus
hirokimineshita 0:736c76a75def 107 #define SetGlobalPower 0x00010000
hirokimineshita 0:736c76a75def 108 #define DeviceRemoteWakeupEnable 0x00008000
hirokimineshita 0:736c76a75def 109
hirokimineshita 0:736c76a75def 110 // HcRhPortStatus (hub 0, port 1)
hirokimineshita 0:736c76a75def 111 #define CurrentConnectStatus 0x00000001
hirokimineshita 0:736c76a75def 112 #define PortEnableStatus 0x00000002
hirokimineshita 0:736c76a75def 113 #define PortSuspendStatus 0x00000004
hirokimineshita 0:736c76a75def 114 #define PortOverCurrentIndicator 0x00000008
hirokimineshita 0:736c76a75def 115 #define PortResetStatus 0x00000010
hirokimineshita 0:736c76a75def 116
hirokimineshita 0:736c76a75def 117 #define PortPowerStatus 0x00000100
hirokimineshita 0:736c76a75def 118 #define LowspeedDevice 0x00000200
hirokimineshita 0:736c76a75def 119 #define HighspeedDevice 0x00000400
hirokimineshita 0:736c76a75def 120
hirokimineshita 0:736c76a75def 121 #define ConnectStatusChange (CurrentConnectStatus << 16)
hirokimineshita 0:736c76a75def 122 #define PortResetStatusChange (PortResetStatus << 16)
hirokimineshita 0:736c76a75def 123
hirokimineshita 0:736c76a75def 124
hirokimineshita 0:736c76a75def 125 #define TD_ROUNDING (u32)0x00040000
hirokimineshita 0:736c76a75def 126 #define TD_SETUP (u32)0x00000000
hirokimineshita 0:736c76a75def 127 #define TD_IN (u32)0x00100000
hirokimineshita 0:736c76a75def 128 #define TD_OUT (u32)0x00080000
hirokimineshita 0:736c76a75def 129 #define TD_DELAY_INT(x) (u32)((x) << 21)
hirokimineshita 0:736c76a75def 130 #define TD_TOGGLE_0 (u32)0x02000000
hirokimineshita 0:736c76a75def 131 #define TD_TOGGLE_1 (u32)0x03000000
hirokimineshita 0:736c76a75def 132 #define TD_CC (u32)0xF0000000
hirokimineshita 0:736c76a75def 133
hirokimineshita 0:736c76a75def 134 // HostController EndPoint Descriptor
hirokimineshita 0:736c76a75def 135 typedef struct {
hirokimineshita 0:736c76a75def 136 volatile u32 Control;
hirokimineshita 0:736c76a75def 137 volatile u32 TailTd;
hirokimineshita 0:736c76a75def 138 volatile u32 HeadTd;
hirokimineshita 0:736c76a75def 139 volatile u32 Next;
hirokimineshita 0:736c76a75def 140 } HCED;
hirokimineshita 0:736c76a75def 141
hirokimineshita 0:736c76a75def 142 // HostController Transfer Descriptor
hirokimineshita 0:736c76a75def 143 typedef struct {
hirokimineshita 0:736c76a75def 144 volatile u32 Control;
hirokimineshita 0:736c76a75def 145 volatile u32 CurrBufPtr;
hirokimineshita 0:736c76a75def 146 volatile u32 Next;
hirokimineshita 0:736c76a75def 147 volatile u32 BufEnd;
hirokimineshita 0:736c76a75def 148 } HCTD;
hirokimineshita 0:736c76a75def 149
hirokimineshita 0:736c76a75def 150 // Host Controller Communication Area
hirokimineshita 0:736c76a75def 151 typedef struct {
hirokimineshita 0:736c76a75def 152 volatile u32 InterruptTable[32];
hirokimineshita 0:736c76a75def 153 volatile u16 FrameNumber;
hirokimineshita 0:736c76a75def 154 volatile u16 FrameNumberPad;
hirokimineshita 0:736c76a75def 155 volatile u32 DoneHead;
hirokimineshita 0:736c76a75def 156 volatile u8 Reserved[120];
hirokimineshita 0:736c76a75def 157 } HCCA;
hirokimineshita 0:736c76a75def 158
hirokimineshita 0:736c76a75def 159 //====================================================================================
hirokimineshita 0:736c76a75def 160 //====================================================================================
hirokimineshita 0:736c76a75def 161
hirokimineshita 0:736c76a75def 162 class HostController;
hirokimineshita 0:736c76a75def 163 class Endpoint;
hirokimineshita 0:736c76a75def 164 class Device;
hirokimineshita 0:736c76a75def 165
hirokimineshita 0:736c76a75def 166 // must be 3*16 bytes long
hirokimineshita 0:736c76a75def 167 class Endpoint
hirokimineshita 0:736c76a75def 168 {
hirokimineshita 0:736c76a75def 169 public:
hirokimineshita 0:736c76a75def 170 HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
hirokimineshita 0:736c76a75def 171 HCTD TDHead;
hirokimineshita 0:736c76a75def 172
hirokimineshita 0:736c76a75def 173 enum State
hirokimineshita 0:736c76a75def 174 {
hirokimineshita 0:736c76a75def 175 Free,
hirokimineshita 0:736c76a75def 176 NotQueued,
hirokimineshita 0:736c76a75def 177 Idle,
hirokimineshita 0:736c76a75def 178 SetupQueued,
hirokimineshita 0:736c76a75def 179 DataQueued,
hirokimineshita 0:736c76a75def 180 StatusQueued,
hirokimineshita 0:736c76a75def 181 CallbackPending
hirokimineshita 0:736c76a75def 182 };
hirokimineshita 0:736c76a75def 183
hirokimineshita 0:736c76a75def 184 volatile u8 CurrentState;
hirokimineshita 0:736c76a75def 185 u8 Flags; // 0x80 In, 0x03 mask endpoint type
hirokimineshita 0:736c76a75def 186
hirokimineshita 0:736c76a75def 187 u16 Length;
hirokimineshita 0:736c76a75def 188 u8* Data;
hirokimineshita 0:736c76a75def 189 USBCallback Callback; // Must be a multiple of 16 bytes long
hirokimineshita 0:736c76a75def 190 void* UserData;
hirokimineshita 0:736c76a75def 191
hirokimineshita 0:736c76a75def 192 int Address()
hirokimineshita 0:736c76a75def 193 {
hirokimineshita 0:736c76a75def 194 int ep = (EndpointDescriptor.Control >> 7) & 0xF;
hirokimineshita 0:736c76a75def 195 if (ep)
hirokimineshita 0:736c76a75def 196 ep |= Flags & 0x80;
hirokimineshita 0:736c76a75def 197 return ep;
hirokimineshita 0:736c76a75def 198 }
hirokimineshita 0:736c76a75def 199
hirokimineshita 0:736c76a75def 200 int Device()
hirokimineshita 0:736c76a75def 201 {
hirokimineshita 0:736c76a75def 202 return EndpointDescriptor.Control & 0x7F;
hirokimineshita 0:736c76a75def 203 }
hirokimineshita 0:736c76a75def 204
hirokimineshita 0:736c76a75def 205 int Status()
hirokimineshita 0:736c76a75def 206 {
hirokimineshita 0:736c76a75def 207 return (TDHead.Control >> 28) & 0xF;
hirokimineshita 0:736c76a75def 208 }
hirokimineshita 0:736c76a75def 209
hirokimineshita 0:736c76a75def 210 u32 Enqueue(u32 head)
hirokimineshita 0:736c76a75def 211 {
hirokimineshita 0:736c76a75def 212 if (CurrentState == NotQueued)
hirokimineshita 0:736c76a75def 213 {
hirokimineshita 0:736c76a75def 214 EndpointDescriptor.Next = head;
hirokimineshita 0:736c76a75def 215 head = (u32)&EndpointDescriptor;
hirokimineshita 0:736c76a75def 216 CurrentState = Idle;
hirokimineshita 0:736c76a75def 217 }
hirokimineshita 0:736c76a75def 218 return head;
hirokimineshita 0:736c76a75def 219 }
hirokimineshita 0:736c76a75def 220 };
hirokimineshita 0:736c76a75def 221
hirokimineshita 0:736c76a75def 222 class Device
hirokimineshita 0:736c76a75def 223 {
hirokimineshita 0:736c76a75def 224 public:
hirokimineshita 0:736c76a75def 225 u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
hirokimineshita 0:736c76a75def 226 u8 Hub;
hirokimineshita 0:736c76a75def 227 u8 Port;
hirokimineshita 0:736c76a75def 228 u8 Addr;
hirokimineshita 0:736c76a75def 229 u8 Pad;
hirokimineshita 0:736c76a75def 230
hirokimineshita 0:736c76a75def 231 // Only if this device is a hub
hirokimineshita 0:736c76a75def 232 u8 HubPortCount; // nonzero if this is a hub
hirokimineshita 0:736c76a75def 233 u8 HubInterruptData;
hirokimineshita 0:736c76a75def 234 u8 HubMap;
hirokimineshita 0:736c76a75def 235 u8 HubMask;
hirokimineshita 0:736c76a75def 236
hirokimineshita 0:736c76a75def 237 int Flags; // 1 = Disconnected
hirokimineshita 0:736c76a75def 238
hirokimineshita 0:736c76a75def 239 Setup SetupBuffer;
hirokimineshita 0:736c76a75def 240
hirokimineshita 0:736c76a75def 241 // Allocate endpoint zero
hirokimineshita 0:736c76a75def 242 int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
hirokimineshita 0:736c76a75def 243 {
hirokimineshita 0:736c76a75def 244 Hub = hub;
hirokimineshita 0:736c76a75def 245 Port = port;
hirokimineshita 0:736c76a75def 246 Addr = addr;
hirokimineshita 0:736c76a75def 247 Flags = lowSpeed;
hirokimineshita 0:736c76a75def 248 memset(_endpointMap,0xFF,sizeof(_endpointMap));
hirokimineshita 0:736c76a75def 249 return 0;
hirokimineshita 0:736c76a75def 250 }
hirokimineshita 0:736c76a75def 251
hirokimineshita 0:736c76a75def 252 int SetEndpointIndex(int ep, int endpointIndex)
hirokimineshita 0:736c76a75def 253 {
hirokimineshita 0:736c76a75def 254 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
hirokimineshita 0:736c76a75def 255 {
hirokimineshita 0:736c76a75def 256 if (_endpointMap[i] == 0xFF) // Add endpoint to map
hirokimineshita 0:736c76a75def 257 {
hirokimineshita 0:736c76a75def 258 _endpointMap[i] = ep;
hirokimineshita 0:736c76a75def 259 _endpointMap[i+1] = endpointIndex;
hirokimineshita 0:736c76a75def 260 return 0;
hirokimineshita 0:736c76a75def 261 }
hirokimineshita 0:736c76a75def 262 }
hirokimineshita 0:736c76a75def 263 return ERR_ENDPOINT_NONE_LEFT;
hirokimineshita 0:736c76a75def 264 }
hirokimineshita 0:736c76a75def 265
hirokimineshita 0:736c76a75def 266 int GetEndpointIndex(int ep)
hirokimineshita 0:736c76a75def 267 {
hirokimineshita 0:736c76a75def 268 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
hirokimineshita 0:736c76a75def 269 {
hirokimineshita 0:736c76a75def 270 if (_endpointMap[i] == ep)
hirokimineshita 0:736c76a75def 271 return _endpointMap[i+1];
hirokimineshita 0:736c76a75def 272 if (_endpointMap[i] == 0xFF)
hirokimineshita 0:736c76a75def 273 break;
hirokimineshita 0:736c76a75def 274 }
hirokimineshita 0:736c76a75def 275 return -1;
hirokimineshita 0:736c76a75def 276 }
hirokimineshita 0:736c76a75def 277 };
hirokimineshita 0:736c76a75def 278
hirokimineshita 0:736c76a75def 279 class HostController
hirokimineshita 0:736c76a75def 280 {
hirokimineshita 0:736c76a75def 281 public:
hirokimineshita 0:736c76a75def 282 HCCA CommunicationArea;
hirokimineshita 0:736c76a75def 283 Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
hirokimineshita 0:736c76a75def 284
hirokimineshita 0:736c76a75def 285 Endpoint EndpointZero; // For device enumeration
hirokimineshita 0:736c76a75def 286 HCTD _commonTail;
hirokimineshita 0:736c76a75def 287 Setup _setupZero;
hirokimineshita 0:736c76a75def 288
hirokimineshita 0:736c76a75def 289 Device Devices[MAX_DEVICES];
hirokimineshita 0:736c76a75def 290 u32 _frameNumber; // 32 bit ms counter
hirokimineshita 0:736c76a75def 291
hirokimineshita 0:736c76a75def 292 u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
hirokimineshita 0:736c76a75def 293 u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
hirokimineshita 0:736c76a75def 294 u8 _unused0;
hirokimineshita 0:736c76a75def 295 u8 _unused1;
hirokimineshita 0:736c76a75def 296
hirokimineshita 0:736c76a75def 297 u8 _connectPending; // Reset has initiated a connect
hirokimineshita 0:736c76a75def 298 u8 _connectCountdown; // Number of ms left after reset before we can connect
hirokimineshita 0:736c76a75def 299 u8 _connectHub; // Will connect on this hub
hirokimineshita 0:736c76a75def 300 u8 _connectPort; // ... and this port
hirokimineshita 0:736c76a75def 301
hirokimineshita 0:736c76a75def 302 u8 SRAM[0]; // Start of free SRAM
hirokimineshita 0:736c76a75def 303
hirokimineshita 0:736c76a75def 304 void Loop()
hirokimineshita 0:736c76a75def 305 {
hirokimineshita 0:736c76a75def 306 u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
hirokimineshita 0:736c76a75def 307 _frameNumber += elapsed;
hirokimineshita 0:736c76a75def 308
hirokimineshita 0:736c76a75def 309 // Do callbacks, if any
hirokimineshita 0:736c76a75def 310 while (_callbacksPending)
hirokimineshita 0:736c76a75def 311 {
hirokimineshita 0:736c76a75def 312 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
hirokimineshita 0:736c76a75def 313 {
hirokimineshita 0:736c76a75def 314 Endpoint* endpoint = Endpoints + i;
hirokimineshita 0:736c76a75def 315 if (endpoint->CurrentState == Endpoint::CallbackPending)
hirokimineshita 0:736c76a75def 316 {
hirokimineshita 0:736c76a75def 317 _callbacksPending--;
hirokimineshita 0:736c76a75def 318 endpoint->CurrentState = Endpoint::Idle;
hirokimineshita 0:736c76a75def 319 endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
hirokimineshita 0:736c76a75def 320 }
hirokimineshita 0:736c76a75def 321 }
hirokimineshita 0:736c76a75def 322 }
hirokimineshita 0:736c76a75def 323
hirokimineshita 0:736c76a75def 324 // Deal with changes on the root hub
hirokimineshita 0:736c76a75def 325 if (_rootHubStatusChange)
hirokimineshita 0:736c76a75def 326 {
hirokimineshita 0:736c76a75def 327 u32 status = LPC_USB->HcRhPortStatus1;
hirokimineshita 0:736c76a75def 328 _rootHubStatusChange = 0;
hirokimineshita 0:736c76a75def 329 if (status >> 16)
hirokimineshita 0:736c76a75def 330 {
hirokimineshita 0:736c76a75def 331 HubStatusChange(0,1,status);
hirokimineshita 0:736c76a75def 332 LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
hirokimineshita 0:736c76a75def 333 }
hirokimineshita 0:736c76a75def 334 }
hirokimineshita 0:736c76a75def 335
hirokimineshita 0:736c76a75def 336 // Connect after reset timeout
hirokimineshita 0:736c76a75def 337 if (_connectCountdown)
hirokimineshita 0:736c76a75def 338 {
hirokimineshita 0:736c76a75def 339 if (elapsed >= _connectCountdown)
hirokimineshita 0:736c76a75def 340 {
hirokimineshita 0:736c76a75def 341 _connectCountdown = 0;
hirokimineshita 0:736c76a75def 342 Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
hirokimineshita 0:736c76a75def 343 } else
hirokimineshita 0:736c76a75def 344 _connectCountdown -= elapsed;
hirokimineshita 0:736c76a75def 345 }
hirokimineshita 0:736c76a75def 346 }
hirokimineshita 0:736c76a75def 347
hirokimineshita 0:736c76a75def 348 // HubInterrupt - bitmap in dev->HubInterruptData
hirokimineshita 0:736c76a75def 349 void HubInterrupt(int device)
hirokimineshita 0:736c76a75def 350 {
hirokimineshita 0:736c76a75def 351 Device* dev = &Devices[device-1];
hirokimineshita 0:736c76a75def 352 for (int i = 0; i < dev->HubPortCount; i++)
hirokimineshita 0:736c76a75def 353 {
hirokimineshita 0:736c76a75def 354 int port = i+1;
hirokimineshita 0:736c76a75def 355 if (dev->HubInterruptData & (1 << port))
hirokimineshita 0:736c76a75def 356 {
hirokimineshita 0:736c76a75def 357 u32 status = 0;
hirokimineshita 0:736c76a75def 358 GetPortStatus(device,port,&status);
hirokimineshita 0:736c76a75def 359 if (status >> 16)
hirokimineshita 0:736c76a75def 360 {
hirokimineshita 0:736c76a75def 361 if (_connectPending && (status & ConnectStatusChange))
hirokimineshita 0:736c76a75def 362 continue; // Don't connect again until previous device has been added and addressed
hirokimineshita 0:736c76a75def 363
hirokimineshita 0:736c76a75def 364 HubStatusChange(device,port,status);
hirokimineshita 0:736c76a75def 365 if (status & ConnectStatusChange)
hirokimineshita 0:736c76a75def 366 ClearPortFeature(device,C_PORT_CONNECTION,port);
hirokimineshita 0:736c76a75def 367 if (status & PortResetStatusChange)
hirokimineshita 0:736c76a75def 368 ClearPortFeature(device,C_PORT_RESET,port);
hirokimineshita 0:736c76a75def 369 }
hirokimineshita 0:736c76a75def 370 }
hirokimineshita 0:736c76a75def 371 }
hirokimineshita 0:736c76a75def 372 }
hirokimineshita 0:736c76a75def 373
hirokimineshita 0:736c76a75def 374 static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
hirokimineshita 0:736c76a75def 375 {
hirokimineshita 0:736c76a75def 376 HostController* controller = (HostController*)userData;
hirokimineshita 0:736c76a75def 377 if (status == 0)
hirokimineshita 0:736c76a75def 378 controller->HubInterrupt(device);
hirokimineshita 0:736c76a75def 379 USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
hirokimineshita 0:736c76a75def 380 }
hirokimineshita 0:736c76a75def 381
hirokimineshita 0:736c76a75def 382 int InitHub(int device)
hirokimineshita 0:736c76a75def 383 {
hirokimineshita 0:736c76a75def 384 u8 buf[16];
hirokimineshita 0:736c76a75def 385 int r= USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
hirokimineshita 0:736c76a75def 386 if (r < 0)
hirokimineshita 0:736c76a75def 387 return ERR_HUB_INIT_FAILED;
hirokimineshita 0:736c76a75def 388
hirokimineshita 0:736c76a75def 389 // turn on power on the hubs ports
hirokimineshita 0:736c76a75def 390 Device* dev = &Devices[device-1];
hirokimineshita 0:736c76a75def 391 int ports = buf[2];
hirokimineshita 0:736c76a75def 392 dev->HubPortCount = ports;
hirokimineshita 0:736c76a75def 393 for (int i = 0; i < ports; i++)
hirokimineshita 0:736c76a75def 394 SetPortPower(device,i+1);
hirokimineshita 0:736c76a75def 395
hirokimineshita 0:736c76a75def 396 // Enable hub change interrupts
hirokimineshita 0:736c76a75def 397 return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
hirokimineshita 0:736c76a75def 398 }
hirokimineshita 0:736c76a75def 399
hirokimineshita 0:736c76a75def 400 int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
hirokimineshita 0:736c76a75def 401 {
hirokimineshita 0:736c76a75def 402 LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\r\n",device,ep,attributes,maxPacketSize,interval);
hirokimineshita 0:736c76a75def 403 Device* dev = &Devices[device-1];
hirokimineshita 0:736c76a75def 404 Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
hirokimineshita 0:736c76a75def 405 if (!endpoint)
hirokimineshita 0:736c76a75def 406 return ERR_ENDPOINT_NONE_LEFT;
hirokimineshita 0:736c76a75def 407 dev->SetEndpointIndex(ep,endpoint - Endpoints);
hirokimineshita 0:736c76a75def 408 endpoint->EndpointDescriptor.Control |= dev->Flags; // Map in slow speed
hirokimineshita 0:736c76a75def 409 return 0; // TODO ed->bInterval
hirokimineshita 0:736c76a75def 410 }
hirokimineshita 0:736c76a75def 411
hirokimineshita 0:736c76a75def 412 int AddEndpoint(int device, EndpointDescriptor* ed)
hirokimineshita 0:736c76a75def 413 {
hirokimineshita 0:736c76a75def 414 return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
hirokimineshita 0:736c76a75def 415 }
hirokimineshita 0:736c76a75def 416
hirokimineshita 0:736c76a75def 417 // allocate a endpoint
hirokimineshita 0:736c76a75def 418 Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
hirokimineshita 0:736c76a75def 419 {
hirokimineshita 0:736c76a75def 420 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
hirokimineshita 0:736c76a75def 421 {
hirokimineshita 0:736c76a75def 422 Endpoint* ep = &Endpoints[i];
hirokimineshita 0:736c76a75def 423 if (ep->CurrentState == 0)
hirokimineshita 0:736c76a75def 424 {
hirokimineshita 0:736c76a75def 425 //LOG("Allocated endpoint %d to %02X:%02X\r\n",i,device,endpointAddress);
hirokimineshita 0:736c76a75def 426 ep->Flags = (endpointAddress & 0x80) | (type & 3);
hirokimineshita 0:736c76a75def 427 ep->CurrentState = Endpoint::NotQueued;
hirokimineshita 0:736c76a75def 428 ep->EndpointDescriptor.Control = (maxPacketSize << 16) | ((endpointAddress & 0x7F) << 7) | device;
hirokimineshita 0:736c76a75def 429 return ep;
hirokimineshita 0:736c76a75def 430 }
hirokimineshita 0:736c76a75def 431 }
hirokimineshita 0:736c76a75def 432 return 0;
hirokimineshita 0:736c76a75def 433 }
hirokimineshita 0:736c76a75def 434
hirokimineshita 0:736c76a75def 435 Endpoint* GetEndpoint(int device, int ep)
hirokimineshita 0:736c76a75def 436 {
hirokimineshita 0:736c76a75def 437 if (device == 0)
hirokimineshita 0:736c76a75def 438 {
hirokimineshita 0:736c76a75def 439 //printf("WARNING: USING DEVICE 0\n");
hirokimineshita 0:736c76a75def 440 return &EndpointZero;
hirokimineshita 0:736c76a75def 441 }
hirokimineshita 0:736c76a75def 442 if (device > MAX_DEVICES)
hirokimineshita 0:736c76a75def 443 return 0;
hirokimineshita 0:736c76a75def 444 int i = Devices[device-1].GetEndpointIndex(ep);
hirokimineshita 0:736c76a75def 445 if (i == -1)
hirokimineshita 0:736c76a75def 446 return 0;
hirokimineshita 0:736c76a75def 447 return Endpoints + i;
hirokimineshita 0:736c76a75def 448 }
hirokimineshita 0:736c76a75def 449
hirokimineshita 0:736c76a75def 450 int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
hirokimineshita 0:736c76a75def 451 {
hirokimineshita 0:736c76a75def 452 //LOG("Transfer %02X T:%d Len:%d S:%d\r\n",endpoint->Address(),token,len,state);
hirokimineshita 0:736c76a75def 453
hirokimineshita 0:736c76a75def 454 int toggle = 0;
hirokimineshita 0:736c76a75def 455 if (endpoint->Address() == 0)
hirokimineshita 0:736c76a75def 456 toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
hirokimineshita 0:736c76a75def 457
hirokimineshita 0:736c76a75def 458 if (token != TOKEN_SETUP)
hirokimineshita 0:736c76a75def 459 token = (token == TOKEN_IN ? TD_IN : TD_OUT);
hirokimineshita 0:736c76a75def 460
hirokimineshita 0:736c76a75def 461 HCTD* head = &endpoint->TDHead;
hirokimineshita 0:736c76a75def 462 HCTD* tail = &_commonTail;
hirokimineshita 0:736c76a75def 463
hirokimineshita 0:736c76a75def 464 head->Control = TD_ROUNDING | token | TD_DELAY_INT(0) | toggle | TD_CC;
hirokimineshita 0:736c76a75def 465 head->CurrBufPtr = (u32)data;
hirokimineshita 0:736c76a75def 466 head->BufEnd = (u32)(data + len - 1);
hirokimineshita 0:736c76a75def 467 head->Next = (u32)tail;
hirokimineshita 0:736c76a75def 468
hirokimineshita 0:736c76a75def 469 HCED* ed = &endpoint->EndpointDescriptor;
hirokimineshita 0:736c76a75def 470 ed->HeadTd = (u32)head | (ed->HeadTd & 0x00000002); // carry toggle
hirokimineshita 0:736c76a75def 471 ed->TailTd = (u32)tail;
hirokimineshita 0:736c76a75def 472
hirokimineshita 0:736c76a75def 473 //HCTD* td = head;
hirokimineshita 0:736c76a75def 474 //LOG("%04X TD %08X %08X %08X Next:%08X\r\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
hirokimineshita 0:736c76a75def 475 //LOG("%04X ED %08X %08X %08X\r\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
hirokimineshita 0:736c76a75def 476
hirokimineshita 0:736c76a75def 477 switch (endpoint->Flags & 3)
hirokimineshita 0:736c76a75def 478 {
hirokimineshita 0:736c76a75def 479 case ENDPOINT_CONTROL:
hirokimineshita 0:736c76a75def 480 LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
hirokimineshita 0:736c76a75def 481 endpoint->CurrentState = state; // Get in before an int
hirokimineshita 0:736c76a75def 482 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | ControlListFilled;
hirokimineshita 0:736c76a75def 483 LPC_USB->HcControl = LPC_USB->HcControl | ControlListEnable;
hirokimineshita 0:736c76a75def 484 break;
hirokimineshita 0:736c76a75def 485
hirokimineshita 0:736c76a75def 486 case ENDPOINT_BULK:
hirokimineshita 0:736c76a75def 487 LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
hirokimineshita 0:736c76a75def 488 endpoint->CurrentState = state;
hirokimineshita 0:736c76a75def 489 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | BulkListFilled;
hirokimineshita 0:736c76a75def 490 LPC_USB->HcControl = LPC_USB->HcControl | BulkListEnable;
hirokimineshita 0:736c76a75def 491 break;
hirokimineshita 0:736c76a75def 492
hirokimineshita 0:736c76a75def 493 case ENDPOINT_INTERRUPT:
hirokimineshita 0:736c76a75def 494 CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
hirokimineshita 0:736c76a75def 495 endpoint->CurrentState = state;
hirokimineshita 0:736c76a75def 496 LPC_USB->HcControl |= PeriodicListEnable;
hirokimineshita 0:736c76a75def 497 break;
hirokimineshita 0:736c76a75def 498 }
hirokimineshita 0:736c76a75def 499 return 0;
hirokimineshita 0:736c76a75def 500 }
hirokimineshita 0:736c76a75def 501
hirokimineshita 0:736c76a75def 502 // Remove an endpoint from an active queue
hirokimineshita 0:736c76a75def 503 bool Remove(HCED* ed, volatile HCED** queue)
hirokimineshita 0:736c76a75def 504 {
hirokimineshita 0:736c76a75def 505 if (*queue == 0)
hirokimineshita 0:736c76a75def 506 return false;
hirokimineshita 0:736c76a75def 507 if (*queue == (volatile HCED*)ed)
hirokimineshita 0:736c76a75def 508 {
hirokimineshita 0:736c76a75def 509 *queue = (volatile HCED*)ed->Next; // At head of queue
hirokimineshita 0:736c76a75def 510 return true;
hirokimineshita 0:736c76a75def 511 }
hirokimineshita 0:736c76a75def 512
hirokimineshita 0:736c76a75def 513 volatile HCED* head = *queue;
hirokimineshita 0:736c76a75def 514 while (head)
hirokimineshita 0:736c76a75def 515 {
hirokimineshita 0:736c76a75def 516 if (head->Next == (u32)ed)
hirokimineshita 0:736c76a75def 517 {
hirokimineshita 0:736c76a75def 518 head->Next = ed->Next;
hirokimineshita 0:736c76a75def 519 return true;
hirokimineshita 0:736c76a75def 520 }
hirokimineshita 0:736c76a75def 521 head = (volatile HCED*)head->Next;
hirokimineshita 0:736c76a75def 522 }
hirokimineshita 0:736c76a75def 523 return false;
hirokimineshita 0:736c76a75def 524 }
hirokimineshita 0:736c76a75def 525
hirokimineshita 0:736c76a75def 526 void Release(Endpoint* endpoint)
hirokimineshita 0:736c76a75def 527 {
hirokimineshita 0:736c76a75def 528 if (endpoint->CurrentState == Endpoint::NotQueued)
hirokimineshita 0:736c76a75def 529 {
hirokimineshita 0:736c76a75def 530 // Never event used it, nothing to do
hirokimineshita 0:736c76a75def 531 }
hirokimineshita 0:736c76a75def 532 else
hirokimineshita 0:736c76a75def 533 {
hirokimineshita 0:736c76a75def 534 HCED* ed = (HCED*)endpoint;
hirokimineshita 0:736c76a75def 535 ed->Control |= 0x4000; // SKIP
hirokimineshita 0:736c76a75def 536 switch (endpoint->Flags & 0x03)
hirokimineshita 0:736c76a75def 537 {
hirokimineshita 0:736c76a75def 538 case ENDPOINT_CONTROL:
hirokimineshita 0:736c76a75def 539 Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
hirokimineshita 0:736c76a75def 540 break;
hirokimineshita 0:736c76a75def 541 case ENDPOINT_BULK:
hirokimineshita 0:736c76a75def 542 Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
hirokimineshita 0:736c76a75def 543 break;
hirokimineshita 0:736c76a75def 544 case ENDPOINT_INTERRUPT:
hirokimineshita 0:736c76a75def 545 for (int i = 0; i < 32; i++)
hirokimineshita 0:736c76a75def 546 Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
hirokimineshita 0:736c76a75def 547 break;
hirokimineshita 0:736c76a75def 548 }
hirokimineshita 0:736c76a75def 549
hirokimineshita 0:736c76a75def 550 u16 fn = CommunicationArea.FrameNumber;
hirokimineshita 0:736c76a75def 551 while (fn == CommunicationArea.FrameNumber)
hirokimineshita 0:736c76a75def 552 ; // Wait for next frame
hirokimineshita 0:736c76a75def 553
hirokimineshita 0:736c76a75def 554 }
hirokimineshita 0:736c76a75def 555
hirokimineshita 0:736c76a75def 556 // In theory, the endpoint is now dead.
hirokimineshita 0:736c76a75def 557 // TODO: Will Callbacks ever be pending? BUGBUG
hirokimineshita 0:736c76a75def 558 memset(endpoint,0,sizeof(Endpoint));
hirokimineshita 0:736c76a75def 559 }
hirokimineshita 0:736c76a75def 560
hirokimineshita 0:736c76a75def 561 // Pop the last TD from the list
hirokimineshita 0:736c76a75def 562 HCTD* Reverse(HCTD* current)
hirokimineshita 0:736c76a75def 563 {
hirokimineshita 0:736c76a75def 564 HCTD *result = NULL,*temp;
hirokimineshita 0:736c76a75def 565 while (current)
hirokimineshita 0:736c76a75def 566 {
hirokimineshita 0:736c76a75def 567 temp = (HCTD*)current->Next;
hirokimineshita 0:736c76a75def 568 current->Next = (u32)result;
hirokimineshita 0:736c76a75def 569 result = current;
hirokimineshita 0:736c76a75def 570 current = temp;
hirokimineshita 0:736c76a75def 571 }
hirokimineshita 0:736c76a75def 572 return result;
hirokimineshita 0:736c76a75def 573 }
hirokimineshita 0:736c76a75def 574
hirokimineshita 0:736c76a75def 575 // Called from interrupt...
hirokimineshita 0:736c76a75def 576 // Control endpoints use a state machine to progress through the transfers
hirokimineshita 0:736c76a75def 577 void ProcessDoneQueue(u32 tdList)
hirokimineshita 0:736c76a75def 578 {
hirokimineshita 0:736c76a75def 579 HCTD* list = Reverse((HCTD*)tdList);
hirokimineshita 0:736c76a75def 580 while (list)
hirokimineshita 0:736c76a75def 581 {
hirokimineshita 0:736c76a75def 582 Endpoint* endpoint = (Endpoint*)(list-1);
hirokimineshita 0:736c76a75def 583 list = (HCTD*)list->Next;
hirokimineshita 0:736c76a75def 584 int ep = endpoint->Address();
hirokimineshita 0:736c76a75def 585 bool in = endpoint->Flags & 0x80;
hirokimineshita 0:736c76a75def 586 int status = (endpoint->TDHead.Control >> 28) & 0xF;
hirokimineshita 0:736c76a75def 587
hirokimineshita 0:736c76a75def 588 //LOG("ProcessDoneQueue %02X %08X\r\n",ep,endpoint->TDHead.Control);
hirokimineshita 0:736c76a75def 589
hirokimineshita 0:736c76a75def 590 if (status != 0)
hirokimineshita 0:736c76a75def 591 {
hirokimineshita 0:736c76a75def 592 //LOG("ProcessDoneQueue status %02X %d\r\n",ep,status);
hirokimineshita 0:736c76a75def 593 endpoint->CurrentState = Endpoint::Idle;
hirokimineshita 0:736c76a75def 594 } else {
hirokimineshita 0:736c76a75def 595 switch (endpoint->CurrentState)
hirokimineshita 0:736c76a75def 596 {
hirokimineshita 0:736c76a75def 597 case Endpoint::SetupQueued:
hirokimineshita 0:736c76a75def 598 if (endpoint->Length == 0)
hirokimineshita 0:736c76a75def 599 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
hirokimineshita 0:736c76a75def 600 else
hirokimineshita 0:736c76a75def 601 Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
hirokimineshita 0:736c76a75def 602 break;
hirokimineshita 0:736c76a75def 603
hirokimineshita 0:736c76a75def 604 case Endpoint::DataQueued:
hirokimineshita 0:736c76a75def 605 if (endpoint->TDHead.CurrBufPtr)
hirokimineshita 0:736c76a75def 606 endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
hirokimineshita 0:736c76a75def 607
hirokimineshita 0:736c76a75def 608 if (ep == 0)
hirokimineshita 0:736c76a75def 609 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
hirokimineshita 0:736c76a75def 610 else
hirokimineshita 0:736c76a75def 611 endpoint->CurrentState = Endpoint::Idle;
hirokimineshita 0:736c76a75def 612 break;
hirokimineshita 0:736c76a75def 613
hirokimineshita 0:736c76a75def 614 case Endpoint::StatusQueued: // Transaction is done
hirokimineshita 0:736c76a75def 615 endpoint->CurrentState = Endpoint::Idle;
hirokimineshita 0:736c76a75def 616 break;
hirokimineshita 0:736c76a75def 617 }
hirokimineshita 0:736c76a75def 618 }
hirokimineshita 0:736c76a75def 619
hirokimineshita 0:736c76a75def 620 // Complete, flag if we need a callback
hirokimineshita 0:736c76a75def 621 if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
hirokimineshita 0:736c76a75def 622 {
hirokimineshita 0:736c76a75def 623 endpoint->CurrentState = Endpoint::CallbackPending;
hirokimineshita 0:736c76a75def 624 _callbacksPending++;
hirokimineshita 0:736c76a75def 625 }
hirokimineshita 0:736c76a75def 626 }
hirokimineshita 0:736c76a75def 627 }
hirokimineshita 0:736c76a75def 628
hirokimineshita 0:736c76a75def 629 // Hack to reset devices that don't want to connect
hirokimineshita 0:736c76a75def 630 int AddDevice(int hub, int port, bool isLowSpeed)
hirokimineshita 0:736c76a75def 631 {
hirokimineshita 0:736c76a75def 632 int device = AddDeviceCore(hub,port,isLowSpeed);
hirokimineshita 0:736c76a75def 633 if (device < 0)
hirokimineshita 0:736c76a75def 634 {
hirokimineshita 0:736c76a75def 635 LOG("========RETRY ADD DEVICE========\r\n"); // This will go for ever.. TODO power cycle root?
hirokimineshita 0:736c76a75def 636 Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
hirokimineshita 0:736c76a75def 637 ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
hirokimineshita 0:736c76a75def 638 return -1;
hirokimineshita 0:736c76a75def 639 }
hirokimineshita 0:736c76a75def 640 return device;
hirokimineshita 0:736c76a75def 641 }
hirokimineshita 0:736c76a75def 642
hirokimineshita 0:736c76a75def 643 int AddDeviceCore(int hub, int port, bool isLowSpeed)
hirokimineshita 0:736c76a75def 644 {
hirokimineshita 0:736c76a75def 645 int lowSpeed = isLowSpeed ? 0x2000 : 0;
hirokimineshita 0:736c76a75def 646 DeviceDescriptor desc;
hirokimineshita 0:736c76a75def 647 EndpointZero.EndpointDescriptor.Control = (8 << 16) | lowSpeed; // MaxPacketSize == 8
hirokimineshita 0:736c76a75def 648 int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
hirokimineshita 0:736c76a75def 649 if (r < 0)
hirokimineshita 0:736c76a75def 650 {
hirokimineshita 0:736c76a75def 651 LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\r\n");
hirokimineshita 0:736c76a75def 652 return r;
hirokimineshita 0:736c76a75def 653 }
hirokimineshita 0:736c76a75def 654
hirokimineshita 0:736c76a75def 655 EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) | lowSpeed; // Actual MaxPacketSize
hirokimineshita 0:736c76a75def 656 r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
hirokimineshita 0:736c76a75def 657 if (r < 0)
hirokimineshita 0:736c76a75def 658 return r;
hirokimineshita 0:736c76a75def 659
hirokimineshita 0:736c76a75def 660 LOG("\nClass %02X found %04X:%04X\r\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
hirokimineshita 0:736c76a75def 661
hirokimineshita 0:736c76a75def 662 // Now assign the device an address, move off EndpointZero
hirokimineshita 0:736c76a75def 663 int device = 0;
hirokimineshita 0:736c76a75def 664 for (int i = 0; i < MAX_DEVICES; i++)
hirokimineshita 0:736c76a75def 665 {
hirokimineshita 0:736c76a75def 666 if (Devices[i].Port == 0)
hirokimineshita 0:736c76a75def 667 {
hirokimineshita 0:736c76a75def 668 device = i+1;
hirokimineshita 0:736c76a75def 669 break;
hirokimineshita 0:736c76a75def 670 }
hirokimineshita 0:736c76a75def 671 }
hirokimineshita 0:736c76a75def 672 if (!device)
hirokimineshita 0:736c76a75def 673 return ERR_DEVICE_NONE_LEFT;
hirokimineshita 0:736c76a75def 674
hirokimineshita 0:736c76a75def 675 r = SetAddress(0,device);
hirokimineshita 0:736c76a75def 676 if (r)
hirokimineshita 0:736c76a75def 677 return r;
hirokimineshita 0:736c76a75def 678 DelayMS(2);
hirokimineshita 0:736c76a75def 679
hirokimineshita 0:736c76a75def 680 // Now at a nonzero address, create control endpoint
hirokimineshita 0:736c76a75def 681 Device* dev = &Devices[device-1];
hirokimineshita 0:736c76a75def 682 dev->Init(&desc,hub,port,device,lowSpeed);
hirokimineshita 0:736c76a75def 683 AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
hirokimineshita 0:736c76a75def 684 _connectPending = 0;
hirokimineshita 0:736c76a75def 685
hirokimineshita 0:736c76a75def 686 // Verify this all works
hirokimineshita 0:736c76a75def 687 r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
hirokimineshita 0:736c76a75def 688 if (r < 0)
hirokimineshita 0:736c76a75def 689 return r;
hirokimineshita 0:736c76a75def 690
hirokimineshita 0:736c76a75def 691 // Set to interface 0 by default
hirokimineshita 0:736c76a75def 692 // Calls LoadDevice if interface is found
hirokimineshita 0:736c76a75def 693 r = SetConfigurationAndInterface(device,1,0,&desc);
hirokimineshita 0:736c76a75def 694
hirokimineshita 0:736c76a75def 695 if (desc.bDeviceClass == CLASS_HUB)
hirokimineshita 0:736c76a75def 696 InitHub(device); // Handle hubs in this code
hirokimineshita 0:736c76a75def 697
hirokimineshita 0:736c76a75def 698 return device;
hirokimineshita 0:736c76a75def 699 }
hirokimineshita 0:736c76a75def 700
hirokimineshita 0:736c76a75def 701 // Walk descriptors and create endpoints for a given device
hirokimineshita 0:736c76a75def 702 // TODO configuration !=1, alternate settings etc.
hirokimineshita 0:736c76a75def 703 int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
hirokimineshita 0:736c76a75def 704 {
hirokimineshita 0:736c76a75def 705 u8 buffer[255];
hirokimineshita 0:736c76a75def 706 int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
hirokimineshita 0:736c76a75def 707 if (err < 0)
hirokimineshita 0:736c76a75def 708 return err;
hirokimineshita 0:736c76a75def 709
hirokimineshita 0:736c76a75def 710 err = SetConfiguration(device,configuration);
hirokimineshita 0:736c76a75def 711 if (err < 0)
hirokimineshita 0:736c76a75def 712 return err;
hirokimineshita 0:736c76a75def 713
hirokimineshita 0:736c76a75def 714 // Add the endpoints for this interface
hirokimineshita 0:736c76a75def 715 int len = buffer[2] | (buffer[3] << 8);
hirokimineshita 0:736c76a75def 716 u8* d = buffer;
hirokimineshita 0:736c76a75def 717 u8* end = d + len;
hirokimineshita 0:736c76a75def 718 InterfaceDescriptor* found = 0;
hirokimineshita 0:736c76a75def 719 while (d < end)
hirokimineshita 0:736c76a75def 720 {
hirokimineshita 0:736c76a75def 721 if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
hirokimineshita 0:736c76a75def 722 {
hirokimineshita 0:736c76a75def 723 InterfaceDescriptor* id = (InterfaceDescriptor*)d;
hirokimineshita 0:736c76a75def 724 if (id->bInterfaceNumber == interfaceNumber)
hirokimineshita 0:736c76a75def 725 {
hirokimineshita 0:736c76a75def 726 found = id;
hirokimineshita 0:736c76a75def 727 d += d[0];
hirokimineshita 0:736c76a75def 728 while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
hirokimineshita 0:736c76a75def 729 {
hirokimineshita 0:736c76a75def 730 switch (d[1])
hirokimineshita 0:736c76a75def 731 {
hirokimineshita 0:736c76a75def 732 case DESCRIPTOR_TYPE_ENDPOINT:
hirokimineshita 0:736c76a75def 733 AddEndpoint(device,(EndpointDescriptor*)d);
hirokimineshita 0:736c76a75def 734 break;
hirokimineshita 0:736c76a75def 735 default:
hirokimineshita 0:736c76a75def 736 LOG("Skipping descriptor %02X (%d bytes)\r\n",d[1],d[0]);
hirokimineshita 0:736c76a75def 737 }
hirokimineshita 0:736c76a75def 738 d += d[0];
hirokimineshita 0:736c76a75def 739 }
hirokimineshita 0:736c76a75def 740 }
hirokimineshita 0:736c76a75def 741 }
hirokimineshita 0:736c76a75def 742 d += d[0];
hirokimineshita 0:736c76a75def 743 }
hirokimineshita 0:736c76a75def 744
hirokimineshita 0:736c76a75def 745 if (!found)
hirokimineshita 0:736c76a75def 746 return ERR_INTERFACE_NOT_FOUND;
hirokimineshita 0:736c76a75def 747 OnLoadDevice(device,desc,found);
hirokimineshita 0:736c76a75def 748 return 0;
hirokimineshita 0:736c76a75def 749 }
hirokimineshita 0:736c76a75def 750
hirokimineshita 0:736c76a75def 751 void Init()
hirokimineshita 0:736c76a75def 752 {
hirokimineshita 0:736c76a75def 753 LOG("USB INIT (Controller is %d bytes)\r\n",sizeof(*this));
hirokimineshita 0:736c76a75def 754 memset(this,0,sizeof(HostController));
hirokimineshita 0:736c76a75def 755 EndpointZero.CurrentState = Endpoint::NotQueued;
hirokimineshita 0:736c76a75def 756 HWInit(&CommunicationArea);
hirokimineshita 0:736c76a75def 757 DelayMS(10);
hirokimineshita 0:736c76a75def 758 }
hirokimineshita 0:736c76a75def 759
hirokimineshita 0:736c76a75def 760 void ResetPort(int hub, int port)
hirokimineshita 0:736c76a75def 761 {
hirokimineshita 0:736c76a75def 762 LOG("ResetPort Hub:%d Port:%d\r\n",hub,port);
hirokimineshita 0:736c76a75def 763 _connectPending++; // Only reset/add 1 device at a time
hirokimineshita 0:736c76a75def 764 if (hub == 0)
hirokimineshita 0:736c76a75def 765 LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
hirokimineshita 0:736c76a75def 766 else
hirokimineshita 0:736c76a75def 767 SetPortReset(hub,port); // or reset other hub
hirokimineshita 0:736c76a75def 768 }
hirokimineshita 0:736c76a75def 769
hirokimineshita 0:736c76a75def 770 void Disconnect(int hub, int port)
hirokimineshita 0:736c76a75def 771 {
hirokimineshita 0:736c76a75def 772 LOG("Disconnect Hub:%d Port:%d\r\n",hub,port); // Mark a device for destruction
hirokimineshita 0:736c76a75def 773 for (int i = 0; i < MAX_DEVICES; i++)
hirokimineshita 0:736c76a75def 774 {
hirokimineshita 0:736c76a75def 775 Device* dev = Devices + i;
hirokimineshita 0:736c76a75def 776 if (dev->Port == port && dev->Hub == hub)
hirokimineshita 0:736c76a75def 777 {
hirokimineshita 0:736c76a75def 778 // Disconnect everything that is attached to this device if it is a hub
hirokimineshita 0:736c76a75def 779 for (int p = 0; p < dev->HubPortCount; p++)
hirokimineshita 0:736c76a75def 780 Disconnect(i+1,p+1);
hirokimineshita 0:736c76a75def 781
hirokimineshita 0:736c76a75def 782 // Now release endpoints
hirokimineshita 0:736c76a75def 783 for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
hirokimineshita 0:736c76a75def 784 {
hirokimineshita 0:736c76a75def 785 u8 endpointIndex = dev->_endpointMap[j];
hirokimineshita 0:736c76a75def 786 if (endpointIndex != 0xFF)
hirokimineshita 0:736c76a75def 787 Release(Endpoints + endpointIndex);
hirokimineshita 0:736c76a75def 788 }
hirokimineshita 0:736c76a75def 789 dev->Port = 0; // Device is now free
hirokimineshita 0:736c76a75def 790 dev->Flags = 0;
hirokimineshita 0:736c76a75def 791 return;
hirokimineshita 0:736c76a75def 792 }
hirokimineshita 0:736c76a75def 793 }
hirokimineshita 0:736c76a75def 794 }
hirokimineshita 0:736c76a75def 795
hirokimineshita 0:736c76a75def 796 // called after reset
hirokimineshita 0:736c76a75def 797 void Connect(int hub, int port, bool lowspeed)
hirokimineshita 0:736c76a75def 798 {
hirokimineshita 0:736c76a75def 799 LOG("Connect Hub:%d Port:%d %s\r\n",hub,port,lowspeed ? "slow" : "full");
hirokimineshita 0:736c76a75def 800 AddDevice(hub,port,lowspeed);
hirokimineshita 0:736c76a75def 801 }
hirokimineshita 0:736c76a75def 802
hirokimineshita 0:736c76a75def 803 // Called from interrupt
hirokimineshita 0:736c76a75def 804 void HubStatusChange(int hub, int port, u32 status)
hirokimineshita 0:736c76a75def 805 {
hirokimineshita 0:736c76a75def 806 LOG("HubStatusChange Hub:%d Port:%d %08X\r\n",hub,port,status);
hirokimineshita 0:736c76a75def 807 if (status & ConnectStatusChange)
hirokimineshita 0:736c76a75def 808 {
hirokimineshita 0:736c76a75def 809 if (status & CurrentConnectStatus) // Connecting
hirokimineshita 0:736c76a75def 810 ResetPort(hub,port); // Reset to initiate connect (state machine?)
hirokimineshita 0:736c76a75def 811 else
hirokimineshita 0:736c76a75def 812 Disconnect(hub,port);
hirokimineshita 0:736c76a75def 813 }
hirokimineshita 0:736c76a75def 814
hirokimineshita 0:736c76a75def 815 if (status & PortResetStatusChange)
hirokimineshita 0:736c76a75def 816 {
hirokimineshita 0:736c76a75def 817 if (!(status & PortResetStatus))
hirokimineshita 0:736c76a75def 818 {
hirokimineshita 0:736c76a75def 819 _connectCountdown = 200; // Schedule a connection in 200ms
hirokimineshita 0:736c76a75def 820 if (status & LowspeedDevice)
hirokimineshita 0:736c76a75def 821 port |= 0x80;
hirokimineshita 0:736c76a75def 822 _connectHub = hub;
hirokimineshita 0:736c76a75def 823 _connectPort = port;
hirokimineshita 0:736c76a75def 824 }
hirokimineshita 0:736c76a75def 825 }
hirokimineshita 0:736c76a75def 826 }
hirokimineshita 0:736c76a75def 827
hirokimineshita 0:736c76a75def 828 #define HOST_CLK_EN (1<<0)
hirokimineshita 0:736c76a75def 829 #define PORTSEL_CLK_EN (1<<3)
hirokimineshita 0:736c76a75def 830 #define AHB_CLK_EN (1<<4)
hirokimineshita 0:736c76a75def 831 #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
hirokimineshita 0:736c76a75def 832
hirokimineshita 0:736c76a75def 833 #define FRAMEINTERVAL (12000-1) // 1ms
hirokimineshita 0:736c76a75def 834 #define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) | FRAMEINTERVAL)
hirokimineshita 0:736c76a75def 835
hirokimineshita 0:736c76a75def 836 void DelayMS(int ms)
hirokimineshita 0:736c76a75def 837 {
hirokimineshita 0:736c76a75def 838 u16 f = ms + CommunicationArea.FrameNumber;
hirokimineshita 0:736c76a75def 839 while (f != CommunicationArea.FrameNumber)
hirokimineshita 0:736c76a75def 840 ;
hirokimineshita 0:736c76a75def 841 }
hirokimineshita 0:736c76a75def 842
hirokimineshita 0:736c76a75def 843 static void HWInit(HCCA* cca)
hirokimineshita 0:736c76a75def 844 {
hirokimineshita 0:736c76a75def 845 NVIC_DisableIRQ(USB_IRQn);
hirokimineshita 0:736c76a75def 846
hirokimineshita 0:736c76a75def 847 // turn on power for USB
hirokimineshita 0:736c76a75def 848 LPC_SC->PCONP |= (1UL<<31);
hirokimineshita 0:736c76a75def 849 // Enable USB host clock, port selection and AHB clock
hirokimineshita 0:736c76a75def 850 LPC_USB->USBClkCtrl |= CLOCK_MASK;
hirokimineshita 0:736c76a75def 851 // Wait for clocks to become available
hirokimineshita 0:736c76a75def 852 while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
hirokimineshita 0:736c76a75def 853 ;
hirokimineshita 0:736c76a75def 854
hirokimineshita 0:736c76a75def 855 // We are a Host
hirokimineshita 0:736c76a75def 856 LPC_USB->OTGStCtrl |= 1;
hirokimineshita 0:736c76a75def 857 LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
hirokimineshita 0:736c76a75def 858
hirokimineshita 0:736c76a75def 859 // configure USB pins
hirokimineshita 0:736c76a75def 860 LPC_PINCON->PINSEL1 &= ~((3<<26)|(3<<28));
hirokimineshita 0:736c76a75def 861 LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // USB D+/D-
hirokimineshita 0:736c76a75def 862
hirokimineshita 0:736c76a75def 863 LPC_PINCON->PINSEL3 &= ~((3 << 6) | (3 << 22)); // USB_PPWR, USB_OVRCR
hirokimineshita 0:736c76a75def 864 LPC_PINCON->PINSEL3 |= ((2 << 6) | (2 << 22));
hirokimineshita 0:736c76a75def 865
hirokimineshita 0:736c76a75def 866 LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
hirokimineshita 0:736c76a75def 867 LPC_PINCON->PINSEL4 |= (1 << 18);
hirokimineshita 0:736c76a75def 868
hirokimineshita 0:736c76a75def 869 // Reset OHCI block
hirokimineshita 0:736c76a75def 870 LPC_USB->HcControl = 0;
hirokimineshita 0:736c76a75def 871 LPC_USB->HcControlHeadED = 0;
hirokimineshita 0:736c76a75def 872 LPC_USB->HcBulkHeadED = 0;
hirokimineshita 0:736c76a75def 873
hirokimineshita 0:736c76a75def 874 LPC_USB->HcCommandStatus = HostControllerReset;
hirokimineshita 0:736c76a75def 875 LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
hirokimineshita 0:736c76a75def 876 LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
hirokimineshita 0:736c76a75def 877
hirokimineshita 0:736c76a75def 878 LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) | OperationalMask;
hirokimineshita 0:736c76a75def 879 LPC_USB->HcRhStatus = SetGlobalPower;
hirokimineshita 0:736c76a75def 880
hirokimineshita 0:736c76a75def 881 LPC_USB->HcHCCA = (u32)cca;
hirokimineshita 0:736c76a75def 882 LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus;
hirokimineshita 0:736c76a75def 883 LPC_USB->HcInterruptEnable = MasterInterruptEnable | WritebackDoneHead | RootHubStatusChange | FrameNumberOverflow;
hirokimineshita 0:736c76a75def 884
hirokimineshita 0:736c76a75def 885 NVIC_SetPriority(USB_IRQn, 0);
hirokimineshita 0:736c76a75def 886 NVIC_EnableIRQ(USB_IRQn);
hirokimineshita 0:736c76a75def 887 while (cca->FrameNumber < 10)
hirokimineshita 0:736c76a75def 888 ; // 10ms delay before diving in
hirokimineshita 0:736c76a75def 889 }
hirokimineshita 0:736c76a75def 890 };
hirokimineshita 0:736c76a75def 891
hirokimineshita 0:736c76a75def 892 //====================================================================================
hirokimineshita 0:736c76a75def 893 //====================================================================================
hirokimineshita 0:736c76a75def 894 // Host controller instance and Interrupt handler
hirokimineshita 0:736c76a75def 895
hirokimineshita 0:736c76a75def 896 static HostController _controller __attribute__((at(USB_RAM_BASE)));
hirokimineshita 0:736c76a75def 897
hirokimineshita 0:736c76a75def 898 extern "C" void USB_IRQHandler(void) __irq;
hirokimineshita 0:736c76a75def 899 void USB_IRQHandler (void) __irq
hirokimineshita 0:736c76a75def 900 {
hirokimineshita 0:736c76a75def 901 u32 int_status = LPC_USB->HcInterruptStatus;
hirokimineshita 0:736c76a75def 902
hirokimineshita 0:736c76a75def 903 if (int_status & RootHubStatusChange) // Root hub status change
hirokimineshita 0:736c76a75def 904 _controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
hirokimineshita 0:736c76a75def 905
hirokimineshita 0:736c76a75def 906 u32 head = 0;
hirokimineshita 0:736c76a75def 907 if (int_status & WritebackDoneHead)
hirokimineshita 0:736c76a75def 908 {
hirokimineshita 0:736c76a75def 909 head = _controller.CommunicationArea.DoneHead; // Writeback Done
hirokimineshita 0:736c76a75def 910 _controller.CommunicationArea.DoneHead = 0;
hirokimineshita 0:736c76a75def 911 }
hirokimineshita 0:736c76a75def 912 LPC_USB->HcInterruptStatus = int_status;
hirokimineshita 0:736c76a75def 913
hirokimineshita 0:736c76a75def 914 if (head)
hirokimineshita 0:736c76a75def 915 _controller.ProcessDoneQueue(head); // TODO - low bit can be set BUGBUG
hirokimineshita 0:736c76a75def 916 }
hirokimineshita 0:736c76a75def 917
hirokimineshita 0:736c76a75def 918 //====================================================================================
hirokimineshita 0:736c76a75def 919 //====================================================================================
hirokimineshita 0:736c76a75def 920 // API Methods
hirokimineshita 0:736c76a75def 921
hirokimineshita 0:736c76a75def 922 void USBInit()
hirokimineshita 0:736c76a75def 923 {
hirokimineshita 0:736c76a75def 924 return _controller.Init();
hirokimineshita 0:736c76a75def 925 }
hirokimineshita 0:736c76a75def 926
hirokimineshita 0:736c76a75def 927 void USBLoop()
hirokimineshita 0:736c76a75def 928 {
hirokimineshita 0:736c76a75def 929 return _controller.Loop();
hirokimineshita 0:736c76a75def 930 }
hirokimineshita 0:736c76a75def 931
hirokimineshita 0:736c76a75def 932 u8* USBGetBuffer(u32* len)
hirokimineshita 0:736c76a75def 933 {
hirokimineshita 0:736c76a75def 934 *len = USB_RAM_SIZE - sizeof(HostController);
hirokimineshita 0:736c76a75def 935 return _controller.SRAM;
hirokimineshita 0:736c76a75def 936 }
hirokimineshita 0:736c76a75def 937
hirokimineshita 0:736c76a75def 938 static Setup* GetSetup(int device)
hirokimineshita 0:736c76a75def 939 {
hirokimineshita 0:736c76a75def 940 if (device == 0)
hirokimineshita 0:736c76a75def 941 return &_controller._setupZero;
hirokimineshita 0:736c76a75def 942
hirokimineshita 0:736c76a75def 943 if (device < 1 || device > MAX_DEVICES)
hirokimineshita 0:736c76a75def 944 return 0;
hirokimineshita 0:736c76a75def 945 return &_controller.Devices[device-1].SetupBuffer;
hirokimineshita 0:736c76a75def 946 }
hirokimineshita 0:736c76a75def 947
hirokimineshita 0:736c76a75def 948 // Loop until IO on endpoint is complete
hirokimineshita 0:736c76a75def 949 static int WaitIODone(Endpoint* endpoint)
hirokimineshita 0:736c76a75def 950 {
hirokimineshita 0:736c76a75def 951 if (endpoint->CurrentState == Endpoint::NotQueued)
hirokimineshita 0:736c76a75def 952 return 0;
hirokimineshita 0:736c76a75def 953 while (endpoint->CurrentState != Endpoint::Idle)
hirokimineshita 0:736c76a75def 954 USBLoop(); // May generate callbacks, mount or unmount devices etc
hirokimineshita 0:736c76a75def 955 int status = endpoint->Status();
hirokimineshita 0:736c76a75def 956 if (status == 0)
hirokimineshita 0:736c76a75def 957 return endpoint->Length;
hirokimineshita 0:736c76a75def 958 return -status;
hirokimineshita 0:736c76a75def 959 }
hirokimineshita 0:736c76a75def 960
hirokimineshita 0:736c76a75def 961 int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
hirokimineshita 0:736c76a75def 962 {
hirokimineshita 0:736c76a75def 963 Endpoint* endpoint = _controller.GetEndpoint(device,ep);
hirokimineshita 0:736c76a75def 964 if (!endpoint)
hirokimineshita 0:736c76a75def 965 return ERR_ENDPOINT_NOT_FOUND;
hirokimineshita 0:736c76a75def 966
hirokimineshita 0:736c76a75def 967 WaitIODone(endpoint);
hirokimineshita 0:736c76a75def 968 endpoint->Flags = flags;
hirokimineshita 0:736c76a75def 969 endpoint->Data = data;
hirokimineshita 0:736c76a75def 970 endpoint->Length = length;
hirokimineshita 0:736c76a75def 971 endpoint->Callback = callback;
hirokimineshita 0:736c76a75def 972 endpoint->UserData = userData;
hirokimineshita 0:736c76a75def 973 if (ep == 0)
hirokimineshita 0:736c76a75def 974 _controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
hirokimineshita 0:736c76a75def 975 else
hirokimineshita 0:736c76a75def 976 _controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
hirokimineshita 0:736c76a75def 977 if (callback)
hirokimineshita 0:736c76a75def 978 return IO_PENDING;
hirokimineshita 0:736c76a75def 979 return WaitIODone(endpoint);
hirokimineshita 0:736c76a75def 980 }
hirokimineshita 0:736c76a75def 981
hirokimineshita 0:736c76a75def 982 int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
hirokimineshita 0:736c76a75def 983 {
hirokimineshita 0:736c76a75def 984 Setup* setup = GetSetup(device);
hirokimineshita 0:736c76a75def 985 if (!setup)
hirokimineshita 0:736c76a75def 986 return ERR_DEVICE_NOT_FOUND;
hirokimineshita 0:736c76a75def 987
hirokimineshita 0:736c76a75def 988 // Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
hirokimineshita 0:736c76a75def 989 WaitIODone(_controller.GetEndpoint(device,0));
hirokimineshita 0:736c76a75def 990
hirokimineshita 0:736c76a75def 991 setup->bm_request_type = request_type;
hirokimineshita 0:736c76a75def 992 setup->b_request = request;
hirokimineshita 0:736c76a75def 993 setup->w_value = value;
hirokimineshita 0:736c76a75def 994 setup->w_index = index;
hirokimineshita 0:736c76a75def 995 setup->w_length = length;
hirokimineshita 0:736c76a75def 996 return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
hirokimineshita 0:736c76a75def 997 }
hirokimineshita 0:736c76a75def 998
hirokimineshita 0:736c76a75def 999 int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
hirokimineshita 0:736c76a75def 1000 {
hirokimineshita 0:736c76a75def 1001 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_INTERRUPT,data,length,callback,userData);
hirokimineshita 0:736c76a75def 1002 }
hirokimineshita 0:736c76a75def 1003
hirokimineshita 0:736c76a75def 1004 int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
hirokimineshita 0:736c76a75def 1005 {
hirokimineshita 0:736c76a75def 1006 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_BULK,data,length,callback,userData);
hirokimineshita 0:736c76a75def 1007 }
hirokimineshita 0:736c76a75def 1008
hirokimineshita 0:736c76a75def 1009 int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
hirokimineshita 0:736c76a75def 1010 {
hirokimineshita 0:736c76a75def 1011 return USBControlTransfer(device,DEVICE_TO_HOST | RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)|(descIndex), 0, data, length, 0);
hirokimineshita 0:736c76a75def 1012 }
hirokimineshita 0:736c76a75def 1013
hirokimineshita 0:736c76a75def 1014 int GetString(int device, int index, char* dst, int length)
hirokimineshita 0:736c76a75def 1015 {
hirokimineshita 0:736c76a75def 1016 u8 buffer[255];
hirokimineshita 0:736c76a75def 1017 int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
hirokimineshita 0:736c76a75def 1018 if (le < 0)
hirokimineshita 0:736c76a75def 1019 return le;
hirokimineshita 0:736c76a75def 1020 if (length < 1)
hirokimineshita 0:736c76a75def 1021 return -1;
hirokimineshita 0:736c76a75def 1022 length <<= 1;
hirokimineshita 0:736c76a75def 1023 if (le > length)
hirokimineshita 0:736c76a75def 1024 le = length;
hirokimineshita 0:736c76a75def 1025 for (int j = 2; j < le; j += 2)
hirokimineshita 0:736c76a75def 1026 *dst++ = buffer[j];
hirokimineshita 0:736c76a75def 1027 *dst = 0;
hirokimineshita 0:736c76a75def 1028 return (le>>1)-1;
hirokimineshita 0:736c76a75def 1029 }
hirokimineshita 0:736c76a75def 1030
hirokimineshita 0:736c76a75def 1031 int SetAddress(int device, int new_addr)
hirokimineshita 0:736c76a75def 1032 {
hirokimineshita 0:736c76a75def 1033 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
hirokimineshita 0:736c76a75def 1034 }
hirokimineshita 0:736c76a75def 1035
hirokimineshita 0:736c76a75def 1036 int SetConfiguration(int device, int configNum)
hirokimineshita 0:736c76a75def 1037 {
hirokimineshita 0:736c76a75def 1038 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
hirokimineshita 0:736c76a75def 1039 }
hirokimineshita 0:736c76a75def 1040
hirokimineshita 0:736c76a75def 1041 int SetInterface(int device, int ifNum, int altNum)
hirokimineshita 0:736c76a75def 1042 {
hirokimineshita 0:736c76a75def 1043 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
hirokimineshita 0:736c76a75def 1044 }
hirokimineshita 0:736c76a75def 1045
hirokimineshita 0:736c76a75def 1046 // HUB stuff
hirokimineshita 0:736c76a75def 1047 int SetPortFeature(int device, int feature, int index)
hirokimineshita 0:736c76a75def 1048 {
hirokimineshita 0:736c76a75def 1049 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
hirokimineshita 0:736c76a75def 1050 }
hirokimineshita 0:736c76a75def 1051
hirokimineshita 0:736c76a75def 1052 int ClearPortFeature(int device, int feature, int index)
hirokimineshita 0:736c76a75def 1053 {
hirokimineshita 0:736c76a75def 1054 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
hirokimineshita 0:736c76a75def 1055 }
hirokimineshita 0:736c76a75def 1056
hirokimineshita 0:736c76a75def 1057 int SetPortPower(int device, int port)
hirokimineshita 0:736c76a75def 1058 {
hirokimineshita 0:736c76a75def 1059 int r = SetPortFeature(device,PORT_POWER,port);
hirokimineshita 0:736c76a75def 1060 _controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
hirokimineshita 0:736c76a75def 1061 return r;
hirokimineshita 0:736c76a75def 1062 }
hirokimineshita 0:736c76a75def 1063
hirokimineshita 0:736c76a75def 1064 int SetPortReset(int device, int port)
hirokimineshita 0:736c76a75def 1065 {
hirokimineshita 0:736c76a75def 1066 return SetPortFeature(device,PORT_RESET,port);
hirokimineshita 0:736c76a75def 1067 }
hirokimineshita 0:736c76a75def 1068
hirokimineshita 0:736c76a75def 1069 int GetPortStatus(int device, int port, u32* status)
hirokimineshita 0:736c76a75def 1070 {
hirokimineshita 0:736c76a75def 1071 return USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
hirokimineshita 0:736c76a75def 1072 }