Yasushi TAUCHI / Mbed 2 deprecated BlueUSB_f_IEEE1888

スマートコンセント（富士通　FX-5204PS)をIEEE1888　StorageにWRITEするサンプルプログラムです。

Dependencies:   EthernetInterface FiapV2 HTTPClientForSOAP NTPClient TextLCD mbed-rtos mbed spxml

Fork of BlueUSB_f by Yasushi TAUCHI

スマートコンセント（富士通　FX-5204PS)をIEEE1888　StorageにWRITEするサンプルプログラムです。
USB　HUBを使用して2台利用した例です。
表示のみは http://mbed.org/users/yueee_yt/code/BlueUSB_f/で公開しています。

BlueUSBより派生していますが、BluetoothとMass Storage Classは利用できません。

2台まで確認していますが、プログラム的には10台まで接続できるようにしています。
（RTOSとの整合により難しいかもしれません）

USBHost.cpp@6:08a406cd2726, 2012-09-30 (annotated)

Committer:
yueee_yt
Date:
Sun Sep 30 12:45:05 2012 +0000
Revision:
6:08a406cd2726
Parent:
5:96a70a8cebb9 
2????????????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
peterbarrett1967 0:606b230e5b4a 1
peterbarrett1967 0:606b230e5b4a 2 /*
peterbarrett1967 0:606b230e5b4a 3 Copyright (c) 2010 Peter Barrett
peterbarrett1967 0:606b230e5b4a 4
peterbarrett1967 0:606b230e5b4a 5 Permission is hereby granted, free of charge, to any person obtaining a copy
peterbarrett1967 0:606b230e5b4a 6 of this software and associated documentation files (the "Software"), to deal
peterbarrett1967 0:606b230e5b4a 7 in the Software without restriction, including without limitation the rights
peterbarrett1967 0:606b230e5b4a 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
peterbarrett1967 0:606b230e5b4a 9 copies of the Software, and to permit persons to whom the Software is
peterbarrett1967 0:606b230e5b4a 10 furnished to do so, subject to the following conditions:
peterbarrett1967 0:606b230e5b4a 11
peterbarrett1967 0:606b230e5b4a 12 The above copyright notice and this permission notice shall be included in
peterbarrett1967 0:606b230e5b4a 13 all copies or substantial portions of the Software.
peterbarrett1967 0:606b230e5b4a 14
peterbarrett1967 0:606b230e5b4a 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
peterbarrett1967 0:606b230e5b4a 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
peterbarrett1967 0:606b230e5b4a 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
peterbarrett1967 0:606b230e5b4a 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
peterbarrett1967 0:606b230e5b4a 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
peterbarrett1967 0:606b230e5b4a 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
peterbarrett1967 0:606b230e5b4a 21 THE SOFTWARE.
peterbarrett1967 0:606b230e5b4a 22 */
peterbarrett1967 0:606b230e5b4a 23 #include "mbed.h"
peterbarrett1967 0:606b230e5b4a 24 #include "USBHost.h"
peterbarrett1967 0:606b230e5b4a 25
yueee_yt 3:528f73ce625e 26 // Config (default uses x bytes)
yueee_yt 3:528f73ce625e 27 #define MAX_DEVICES 8 // Max number of devices
yueee_yt 3:528f73ce625e 28 #define MAX_ENDPOINTS_TOTAL 16 // Max number of endpoints total
yueee_yt 3:528f73ce625e 29 #define MAX_ENDPOINTS_PER_DEVICE 8 // Max number of endpoints for any one device
peterbarrett1967 0:606b230e5b4a 30
yueee_yt 6:08a406cd2726 31 #define USBLOG 0
peterbarrett1967 0:606b230e5b4a 32 #if USBLOG
peterbarrett1967 0:606b230e5b4a 33 #define LOG(...) printf(__VA_ARGS__)
peterbarrett1967 0:606b230e5b4a 34 #else
peterbarrett1967 0:606b230e5b4a 35 #define LOG(...) do {} while(0)
peterbarrett1967 0:606b230e5b4a 36 #endif
peterbarrett1967 0:606b230e5b4a 37
peterbarrett1967 0:606b230e5b4a 38 // USB host structures
peterbarrett1967 0:606b230e5b4a 39
yueee_yt 6:08a406cd2726 40 #define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
yueee_yt 5:96a70a8cebb9 41 //#define USB_RAM_SIZE 16*1024 // AHB SRAM block 1 TODO MACHINE DEPENDENT
yueee_yt 5:96a70a8cebb9 42 //#define USB_RAM_BASE 0x20080000
yueee_yt 4:357ea5242a16 43 //#define USB_RAM_BASE 0x2007C000
peterbarrett1967 0:606b230e5b4a 44
peterbarrett1967 0:606b230e5b4a 45 #define TOKEN_SETUP 0
peterbarrett1967 0:606b230e5b4a 46 #define TOKEN_IN 1
peterbarrett1967 0:606b230e5b4a 47 #define TOKEN_OUT 2
peterbarrett1967 0:606b230e5b4a 48
yueee_yt 3:528f73ce625e 49 // Status flags from hub
peterbarrett1967 0:606b230e5b4a 50 #define PORT_CONNECTION 0
peterbarrett1967 0:606b230e5b4a 51 #define PORT_ENABLE 1
peterbarrett1967 0:606b230e5b4a 52 #define PORT_SUSPEND 2
peterbarrett1967 0:606b230e5b4a 53 #define PORT_OVER_CURRENT 3
peterbarrett1967 0:606b230e5b4a 54 #define PORT_RESET 4
peterbarrett1967 0:606b230e5b4a 55 #define PORT_POWER 8
peterbarrett1967 0:606b230e5b4a 56 #define PORT_LOW_SPEED 9
peterbarrett1967 0:606b230e5b4a 57
peterbarrett1967 0:606b230e5b4a 58 #define C_PORT_CONNECTION 16
peterbarrett1967 0:606b230e5b4a 59 #define C_PORT_ENABLE 17
peterbarrett1967 0:606b230e5b4a 60 #define C_PORT_SUSPEND 18
peterbarrett1967 0:606b230e5b4a 61 #define C_PORT_OVER_CURRENT 19
peterbarrett1967 0:606b230e5b4a 62 #define C_PORT_RESET 20
peterbarrett1967 0:606b230e5b4a 63
peterbarrett1967 0:606b230e5b4a 64 typedef struct {
yueee_yt 3:528f73ce625e 65 u8 bm_request_type;
yueee_yt 3:528f73ce625e 66 u8 b_request;
yueee_yt 3:528f73ce625e 67 u16 w_value;
yueee_yt 3:528f73ce625e 68 u16 w_index;
yueee_yt 3:528f73ce625e 69 u16 w_length;
peterbarrett1967 0:606b230e5b4a 70 } Setup;
peterbarrett1967 0:606b230e5b4a 71
peterbarrett1967 0:606b230e5b4a 72
yueee_yt 3:528f73ce625e 73 // Hub stuff is kept private just to keep api simple
peterbarrett1967 0:606b230e5b4a 74 int SetPortFeature(int device, int feature, int index);
peterbarrett1967 0:606b230e5b4a 75 int ClearPortFeature(int device, int feature, int index);
peterbarrett1967 0:606b230e5b4a 76 int SetPortPower(int device, int port);
peterbarrett1967 0:606b230e5b4a 77 int SetPortReset(int device, int port);
peterbarrett1967 0:606b230e5b4a 78 int GetPortStatus(int device, int port, u32* status);
peterbarrett1967 0:606b230e5b4a 79
peterbarrett1967 0:606b230e5b4a 80 //===================================================================
peterbarrett1967 0:606b230e5b4a 81 //===================================================================
yueee_yt 3:528f73ce625e 82 // Hardware defines
peterbarrett1967 0:606b230e5b4a 83
yueee_yt 3:528f73ce625e 84 // HcControl
yueee_yt 3:528f73ce625e 85 #define PeriodicListEnable 0x00000004
yueee_yt 3:528f73ce625e 86 #define IsochronousEnable 0x00000008
yueee_yt 3:528f73ce625e 87 #define ControlListEnable 0x00000010
yueee_yt 3:528f73ce625e 88 #define BulkListEnable 0x00000020
yueee_yt 3:528f73ce625e 89 #define OperationalMask 0x00000080
yueee_yt 3:528f73ce625e 90 #define HostControllerFunctionalState 0x000000C0
peterbarrett1967 0:606b230e5b4a 91
yueee_yt 3:528f73ce625e 92 // HcCommandStatus
yueee_yt 3:528f73ce625e 93 #define HostControllerReset 0x00000001
yueee_yt 3:528f73ce625e 94 #define ControlListFilled 0x00000002
yueee_yt 3:528f73ce625e 95 #define BulkListFilled 0x00000004
peterbarrett1967 0:606b230e5b4a 96
yueee_yt 3:528f73ce625e 97 // HcInterruptStatus Register
yueee_yt 3:528f73ce625e 98 #define WritebackDoneHead 0x00000002
yueee_yt 3:528f73ce625e 99 #define StartofFrame 0x00000004
yueee_yt 3:528f73ce625e 100 #define ResumeDetected 0x00000008
yueee_yt 3:528f73ce625e 101 #define UnrecoverableError 0x00000010
yueee_yt 3:528f73ce625e 102 #define FrameNumberOverflow 0x00000020
yueee_yt 3:528f73ce625e 103 #define RootHubStatusChange 0x00000040
yueee_yt 3:528f73ce625e 104 #define OwnershipChange 0x00000080
yueee_yt 3:528f73ce625e 105 #define MasterInterruptEnable 0x80000000
peterbarrett1967 0:606b230e5b4a 106
yueee_yt 3:528f73ce625e 107 // HcRhStatus
yueee_yt 3:528f73ce625e 108 #define SetGlobalPower 0x00010000
yueee_yt 3:528f73ce625e 109 #define DeviceRemoteWakeupEnable 0x00008000
peterbarrett1967 0:606b230e5b4a 110
yueee_yt 3:528f73ce625e 111 // HcRhPortStatus (hub 0, port 1)
yueee_yt 3:528f73ce625e 112 #define CurrentConnectStatus 0x00000001
yueee_yt 3:528f73ce625e 113 #define PortEnableStatus 0x00000002
yueee_yt 3:528f73ce625e 114 #define PortSuspendStatus 0x00000004
yueee_yt 3:528f73ce625e 115 #define PortOverCurrentIndicator 0x00000008
yueee_yt 3:528f73ce625e 116 #define PortResetStatus 0x00000010
peterbarrett1967 0:606b230e5b4a 117
yueee_yt 3:528f73ce625e 118 #define PortPowerStatus 0x00000100
yueee_yt 3:528f73ce625e 119 #define LowspeedDevice 0x00000200
yueee_yt 3:528f73ce625e 120 #define HighspeedDevice 0x00000400
peterbarrett1967 0:606b230e5b4a 121
yueee_yt 3:528f73ce625e 122 #define ConnectStatusChange (CurrentConnectStatus << 16)
yueee_yt 3:528f73ce625e 123 #define PortResetStatusChange (PortResetStatus << 16)
peterbarrett1967 0:606b230e5b4a 124
peterbarrett1967 0:606b230e5b4a 125
yueee_yt 3:528f73ce625e 126 #define TD_ROUNDING (u32)0x00040000
yueee_yt 3:528f73ce625e 127 #define TD_SETUP (u32)0x00000000
yueee_yt 3:528f73ce625e 128 #define TD_IN (u32)0x00100000
yueee_yt 3:528f73ce625e 129 #define TD_OUT (u32)0x00080000
yueee_yt 3:528f73ce625e 130 #define TD_DELAY_INT(x) (u32)((x) << 21)
yueee_yt 3:528f73ce625e 131 #define TD_TOGGLE_0 (u32)0x02000000
yueee_yt 3:528f73ce625e 132 #define TD_TOGGLE_1 (u32)0x03000000
yueee_yt 3:528f73ce625e 133 #define TD_CC (u32)0xF0000000
peterbarrett1967 0:606b230e5b4a 134
yueee_yt 3:528f73ce625e 135 // HostController EndPoint Descriptor
peterbarrett1967 0:606b230e5b4a 136 typedef struct {
yueee_yt 3:528f73ce625e 137 volatile u32 Control;
yueee_yt 3:528f73ce625e 138 volatile u32 TailTd;
yueee_yt 3:528f73ce625e 139 volatile u32 HeadTd;
yueee_yt 3:528f73ce625e 140 volatile u32 Next;
peterbarrett1967 0:606b230e5b4a 141 } HCED;
peterbarrett1967 0:606b230e5b4a 142
peterbarrett1967 0:606b230e5b4a 143 // HostController Transfer Descriptor
peterbarrett1967 0:606b230e5b4a 144 typedef struct {
yueee_yt 3:528f73ce625e 145 volatile u32 Control;
yueee_yt 3:528f73ce625e 146 volatile u32 CurrBufPtr;
yueee_yt 3:528f73ce625e 147 volatile u32 Next;
yueee_yt 3:528f73ce625e 148 volatile u32 BufEnd;
peterbarrett1967 0:606b230e5b4a 149 } HCTD;
peterbarrett1967 0:606b230e5b4a 150
peterbarrett1967 0:606b230e5b4a 151 // Host Controller Communication Area
peterbarrett1967 0:606b230e5b4a 152 typedef struct {
yueee_yt 3:528f73ce625e 153 volatile u32 InterruptTable[32];
yueee_yt 3:528f73ce625e 154 volatile u16 FrameNumber;
yueee_yt 3:528f73ce625e 155 volatile u16 FrameNumberPad;
yueee_yt 3:528f73ce625e 156 volatile u32 DoneHead;
yueee_yt 3:528f73ce625e 157 volatile u8 Reserved[120];
peterbarrett1967 0:606b230e5b4a 158 } HCCA;
peterbarrett1967 0:606b230e5b4a 159
peterbarrett1967 0:606b230e5b4a 160 //====================================================================================
peterbarrett1967 0:606b230e5b4a 161 //====================================================================================
peterbarrett1967 0:606b230e5b4a 162
peterbarrett1967 0:606b230e5b4a 163 class HostController;
peterbarrett1967 0:606b230e5b4a 164 class Endpoint;
peterbarrett1967 0:606b230e5b4a 165 class Device;
peterbarrett1967 0:606b230e5b4a 166
yueee_yt 3:528f73ce625e 167 // must be 3*16 bytes long
peterbarrett1967 0:606b230e5b4a 168 class Endpoint
peterbarrett1967 0:606b230e5b4a 169 {
peterbarrett1967 0:606b230e5b4a 170 public:
yueee_yt 3:528f73ce625e 171 HCED EndpointDescriptor; // Pointer to EndpointDescriptor == Pointer to Endpoint
yueee_yt 3:528f73ce625e 172 HCTD TDHead;
peterbarrett1967 0:606b230e5b4a 173
yueee_yt 3:528f73ce625e 174 enum State
yueee_yt 3:528f73ce625e 175 {
yueee_yt 3:528f73ce625e 176 Free,
yueee_yt 3:528f73ce625e 177 NotQueued,
yueee_yt 3:528f73ce625e 178 Idle,
yueee_yt 3:528f73ce625e 179 SetupQueued,
yueee_yt 3:528f73ce625e 180 DataQueued,
yueee_yt 3:528f73ce625e 181 StatusQueued,
yueee_yt 3:528f73ce625e 182 CallbackPending
yueee_yt 3:528f73ce625e 183 };
yueee_yt 3:528f73ce625e 184
yueee_yt 3:528f73ce625e 185 volatile u8 CurrentState;
yueee_yt 3:528f73ce625e 186 u8 Flags; // 0x80 In, 0x03 mask endpoint type
peterbarrett1967 0:606b230e5b4a 187
yueee_yt 3:528f73ce625e 188 u16 Length;
yueee_yt 3:528f73ce625e 189 u8* Data;
yueee_yt 3:528f73ce625e 190 USBCallback Callback; // Must be a multiple of 16 bytes long
yueee_yt 3:528f73ce625e 191 void* UserData;
peterbarrett1967 0:606b230e5b4a 192
yueee_yt 3:528f73ce625e 193 int Address()
yueee_yt 3:528f73ce625e 194 {
yueee_yt 3:528f73ce625e 195 int ep = (EndpointDescriptor.Control >> 7) & 0xF;
yueee_yt 3:528f73ce625e 196 if (ep)
yueee_yt 3:528f73ce625e 197 ep |= Flags & 0x80;
yueee_yt 3:528f73ce625e 198 return ep;
yueee_yt 3:528f73ce625e 199 }
yueee_yt 3:528f73ce625e 200
yueee_yt 3:528f73ce625e 201 int Device()
yueee_yt 3:528f73ce625e 202 {
yueee_yt 3:528f73ce625e 203 return EndpointDescriptor.Control & 0x7F;
yueee_yt 3:528f73ce625e 204 }
peterbarrett1967 0:606b230e5b4a 205
yueee_yt 3:528f73ce625e 206 int Status()
yueee_yt 3:528f73ce625e 207 {
yueee_yt 3:528f73ce625e 208 return (TDHead.Control >> 28) & 0xF;
yueee_yt 3:528f73ce625e 209 }
peterbarrett1967 0:606b230e5b4a 210
yueee_yt 3:528f73ce625e 211 u32 Enqueue(u32 head)
yueee_yt 3:528f73ce625e 212 {
yueee_yt 3:528f73ce625e 213 if (CurrentState == NotQueued)
yueee_yt 3:528f73ce625e 214 {
yueee_yt 3:528f73ce625e 215 EndpointDescriptor.Next = head;
yueee_yt 3:528f73ce625e 216 head = (u32)&EndpointDescriptor;
yueee_yt 3:528f73ce625e 217 CurrentState = Idle;
yueee_yt 3:528f73ce625e 218 }
yueee_yt 3:528f73ce625e 219 return head;
yueee_yt 3:528f73ce625e 220 }
peterbarrett1967 0:606b230e5b4a 221 };
peterbarrett1967 0:606b230e5b4a 222
peterbarrett1967 0:606b230e5b4a 223 class Device
peterbarrett1967 0:606b230e5b4a 224 {
peterbarrett1967 0:606b230e5b4a 225 public:
yueee_yt 3:528f73ce625e 226 u8 _endpointMap[MAX_ENDPOINTS_PER_DEVICE*2];
yueee_yt 3:528f73ce625e 227 u8 Hub;
yueee_yt 3:528f73ce625e 228 u8 Port;
yueee_yt 3:528f73ce625e 229 u8 Addr;
yueee_yt 3:528f73ce625e 230 u8 Pad;
peterbarrett1967 0:606b230e5b4a 231
yueee_yt 3:528f73ce625e 232 // Only if this device is a hub
yueee_yt 3:528f73ce625e 233 u8 HubPortCount; // nonzero if this is a hub
yueee_yt 3:528f73ce625e 234 u8 HubInterruptData;
yueee_yt 3:528f73ce625e 235 u8 HubMap;
yueee_yt 3:528f73ce625e 236 u8 HubMask;
peterbarrett1967 0:606b230e5b4a 237
yueee_yt 3:528f73ce625e 238 int Flags; // 1 = Disconnected
peterbarrett1967 0:606b230e5b4a 239
yueee_yt 3:528f73ce625e 240 Setup SetupBuffer;
peterbarrett1967 0:606b230e5b4a 241
yueee_yt 3:528f73ce625e 242 // Allocate endpoint zero
yueee_yt 3:528f73ce625e 243 int Init(DeviceDescriptor* d, int hub, int port, int addr, int lowSpeed)
yueee_yt 3:528f73ce625e 244 {
yueee_yt 3:528f73ce625e 245 Hub = hub;
yueee_yt 3:528f73ce625e 246 Port = port;
yueee_yt 3:528f73ce625e 247 Addr = addr;
yueee_yt 3:528f73ce625e 248 Flags = lowSpeed;
yueee_yt 3:528f73ce625e 249 memset(_endpointMap,0xFF,sizeof(_endpointMap));
yueee_yt 3:528f73ce625e 250 return 0;
yueee_yt 3:528f73ce625e 251 }
peterbarrett1967 0:606b230e5b4a 252
yueee_yt 3:528f73ce625e 253 int SetEndpointIndex(int ep, int endpointIndex)
yueee_yt 3:528f73ce625e 254 {
yueee_yt 3:528f73ce625e 255 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
yueee_yt 3:528f73ce625e 256 {
yueee_yt 3:528f73ce625e 257 if (_endpointMap[i] == 0xFF) // Add endpoint to map
yueee_yt 3:528f73ce625e 258 {
yueee_yt 3:528f73ce625e 259 _endpointMap[i] = ep;
yueee_yt 3:528f73ce625e 260 _endpointMap[i+1] = endpointIndex;
yueee_yt 3:528f73ce625e 261 return 0;
yueee_yt 3:528f73ce625e 262 }
yueee_yt 3:528f73ce625e 263 }
yueee_yt 3:528f73ce625e 264 return ERR_ENDPOINT_NONE_LEFT;
yueee_yt 3:528f73ce625e 265 }
peterbarrett1967 0:606b230e5b4a 266
yueee_yt 3:528f73ce625e 267 int GetEndpointIndex(int ep)
yueee_yt 3:528f73ce625e 268 {
yueee_yt 3:528f73ce625e 269 for (int i = 0; i < MAX_ENDPOINTS_PER_DEVICE*2; i += 2)
yueee_yt 3:528f73ce625e 270 {
yueee_yt 3:528f73ce625e 271 if (_endpointMap[i] == ep)
yueee_yt 3:528f73ce625e 272 return _endpointMap[i+1];
yueee_yt 3:528f73ce625e 273 if (_endpointMap[i] == 0xFF)
yueee_yt 3:528f73ce625e 274 break;
yueee_yt 3:528f73ce625e 275 }
yueee_yt 3:528f73ce625e 276 return -1;
yueee_yt 3:528f73ce625e 277 }
peterbarrett1967 0:606b230e5b4a 278 };
peterbarrett1967 0:606b230e5b4a 279
peterbarrett1967 0:606b230e5b4a 280 class HostController
peterbarrett1967 0:606b230e5b4a 281 {
peterbarrett1967 0:606b230e5b4a 282 public:
yueee_yt 3:528f73ce625e 283 HCCA CommunicationArea;
yueee_yt 3:528f73ce625e 284 Endpoint Endpoints[MAX_ENDPOINTS_TOTAL]; // Multiple of 16
yueee_yt 3:528f73ce625e 285
yueee_yt 3:528f73ce625e 286 Endpoint EndpointZero; // For device enumeration
yueee_yt 3:528f73ce625e 287 HCTD _commonTail;
yueee_yt 3:528f73ce625e 288 Setup _setupZero;
yueee_yt 3:528f73ce625e 289
yueee_yt 3:528f73ce625e 290 Device Devices[MAX_DEVICES];
yueee_yt 3:528f73ce625e 291 u32 _frameNumber; // 32 bit ms counter
peterbarrett1967 0:606b230e5b4a 292
yueee_yt 3:528f73ce625e 293 u8 _callbacksPending; // Endpoints with callbacks are pending, set from ISR via ProcessDoneQueue
yueee_yt 3:528f73ce625e 294 u8 _rootHubStatusChange; // Root hub status has changed, set from ISR
yueee_yt 3:528f73ce625e 295 u8 _unused0;
yueee_yt 3:528f73ce625e 296 u8 _unused1;
peterbarrett1967 0:606b230e5b4a 297
yueee_yt 3:528f73ce625e 298 u8 _connectPending; // Reset has initiated a connect
yueee_yt 3:528f73ce625e 299 u8 _connectCountdown; // Number of ms left after reset before we can connect
yueee_yt 3:528f73ce625e 300 u8 _connectHub; // Will connect on this hub
yueee_yt 3:528f73ce625e 301 u8 _connectPort; // ... and this port
peterbarrett1967 0:606b230e5b4a 302
yueee_yt 3:528f73ce625e 303 u8 SRAM[0]; // Start of free SRAM
peterbarrett1967 0:606b230e5b4a 304
yueee_yt 3:528f73ce625e 305 void Loop()
yueee_yt 3:528f73ce625e 306 {
yueee_yt 3:528f73ce625e 307 u16 elapsed = CommunicationArea.FrameNumber - (u16)_frameNumber; // extend to 32 bits
yueee_yt 3:528f73ce625e 308 _frameNumber += elapsed;
peterbarrett1967 0:606b230e5b4a 309
yueee_yt 3:528f73ce625e 310 // Do callbacks, if any
yueee_yt 3:528f73ce625e 311 while (_callbacksPending)
yueee_yt 3:528f73ce625e 312 {
yueee_yt 3:528f73ce625e 313 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
yueee_yt 3:528f73ce625e 314 {
yueee_yt 3:528f73ce625e 315 Endpoint* endpoint = Endpoints + i;
yueee_yt 3:528f73ce625e 316 if (endpoint->CurrentState == Endpoint::CallbackPending)
yueee_yt 3:528f73ce625e 317 {
yueee_yt 3:528f73ce625e 318 _callbacksPending--;
yueee_yt 3:528f73ce625e 319 endpoint->CurrentState = Endpoint::Idle;
yueee_yt 3:528f73ce625e 320 endpoint->Callback(endpoint->Device(),endpoint->Address(),endpoint->Status(),endpoint->Data,endpoint->Length,endpoint->UserData);
yueee_yt 3:528f73ce625e 321 }
yueee_yt 3:528f73ce625e 322 }
yueee_yt 3:528f73ce625e 323 }
peterbarrett1967 0:606b230e5b4a 324
yueee_yt 3:528f73ce625e 325 // Deal with changes on the root hub
yueee_yt 3:528f73ce625e 326 if (_rootHubStatusChange)
yueee_yt 3:528f73ce625e 327 {
yueee_yt 3:528f73ce625e 328 u32 status = LPC_USB->HcRhPortStatus1;
yueee_yt 3:528f73ce625e 329 _rootHubStatusChange = 0;
yueee_yt 3:528f73ce625e 330 if (status >> 16)
yueee_yt 3:528f73ce625e 331 {
yueee_yt 3:528f73ce625e 332 HubStatusChange(0,1,status);
yueee_yt 3:528f73ce625e 333 LPC_USB->HcRhPortStatus1 = status & 0xFFFF0000; // clear status changes
yueee_yt 3:528f73ce625e 334 }
yueee_yt 3:528f73ce625e 335 }
peterbarrett1967 0:606b230e5b4a 336
yueee_yt 3:528f73ce625e 337 // Connect after reset timeout
yueee_yt 3:528f73ce625e 338 if (_connectCountdown)
yueee_yt 3:528f73ce625e 339 {
yueee_yt 3:528f73ce625e 340 if (elapsed >= _connectCountdown)
yueee_yt 3:528f73ce625e 341 {
yueee_yt 3:528f73ce625e 342 _connectCountdown = 0;
yueee_yt 3:528f73ce625e 343 Connect(_connectHub,_connectPort & 0x7F,_connectPort & 0x80);
yueee_yt 3:528f73ce625e 344 } else
yueee_yt 3:528f73ce625e 345 _connectCountdown -= elapsed;
yueee_yt 3:528f73ce625e 346 }
yueee_yt 3:528f73ce625e 347 }
peterbarrett1967 0:606b230e5b4a 348
yueee_yt 3:528f73ce625e 349 // HubInterrupt - bitmap in dev->HubInterruptData
yueee_yt 3:528f73ce625e 350 void HubInterrupt(int device)
yueee_yt 3:528f73ce625e 351 {
yueee_yt 3:528f73ce625e 352 Device* dev = &Devices[device-1];
yueee_yt 3:528f73ce625e 353 for (int i = 0; i < dev->HubPortCount; i++)
yueee_yt 3:528f73ce625e 354 {
yueee_yt 3:528f73ce625e 355 int port = i+1;
yueee_yt 3:528f73ce625e 356 if (dev->HubInterruptData & (1 << port))
yueee_yt 3:528f73ce625e 357 {
yueee_yt 3:528f73ce625e 358 u32 status = 0;
yueee_yt 3:528f73ce625e 359 GetPortStatus(device,port,&status);
yueee_yt 3:528f73ce625e 360 if (status >> 16)
yueee_yt 3:528f73ce625e 361 {
yueee_yt 3:528f73ce625e 362 if (_connectPending && (status & ConnectStatusChange))
yueee_yt 3:528f73ce625e 363 continue; // Don't connect again until previous device has been added and addressed
peterbarrett1967 0:606b230e5b4a 364
yueee_yt 3:528f73ce625e 365 HubStatusChange(device,port,status);
yueee_yt 3:528f73ce625e 366 if (status & ConnectStatusChange)
yueee_yt 3:528f73ce625e 367 ClearPortFeature(device,C_PORT_CONNECTION,port);
yueee_yt 3:528f73ce625e 368 if (status & PortResetStatusChange)
yueee_yt 3:528f73ce625e 369 ClearPortFeature(device,C_PORT_RESET,port);
yueee_yt 3:528f73ce625e 370 }
yueee_yt 3:528f73ce625e 371 }
yueee_yt 3:528f73ce625e 372 }
yueee_yt 3:528f73ce625e 373 }
peterbarrett1967 0:606b230e5b4a 374
yueee_yt 3:528f73ce625e 375 static void HubInterruptCallback(int device, int endpoint, int status, u8* data, int len, void* userData)
yueee_yt 3:528f73ce625e 376 {
yueee_yt 3:528f73ce625e 377 HostController* controller = (HostController*)userData;
yueee_yt 3:528f73ce625e 378 if (status == 0)
yueee_yt 3:528f73ce625e 379 controller->HubInterrupt(device);
yueee_yt 3:528f73ce625e 380 USBInterruptTransfer(device,endpoint,data,1,HubInterruptCallback,userData);
yueee_yt 3:528f73ce625e 381 }
peterbarrett1967 0:606b230e5b4a 382
yueee_yt 3:528f73ce625e 383 int InitHub(int device)
yueee_yt 3:528f73ce625e 384 {
yueee_yt 3:528f73ce625e 385 u8 buf[16];
yueee_yt 3:528f73ce625e 386 int r= USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_DEVICE,GET_DESCRIPTOR,(DESCRIPTOR_TYPE_HUB << 8),0,buf,sizeof(buf));
yueee_yt 3:528f73ce625e 387 if (r < 0)
yueee_yt 3:528f73ce625e 388 return ERR_HUB_INIT_FAILED;
yueee_yt 3:528f73ce625e 389
yueee_yt 3:528f73ce625e 390 // turn on power on the hubs ports
yueee_yt 3:528f73ce625e 391 Device* dev = &Devices[device-1];
yueee_yt 3:528f73ce625e 392 int ports = buf[2];
yueee_yt 3:528f73ce625e 393 dev->HubPortCount = ports;
yueee_yt 3:528f73ce625e 394 for (int i = 0; i < ports; i++)
yueee_yt 3:528f73ce625e 395 SetPortPower(device,i+1);
yueee_yt 3:528f73ce625e 396
yueee_yt 3:528f73ce625e 397 // Enable hub change interrupts
yueee_yt 3:528f73ce625e 398 return USBInterruptTransfer(device,0x81,&dev->HubInterruptData,1,HubInterruptCallback,this);
yueee_yt 3:528f73ce625e 399 }
yueee_yt 3:528f73ce625e 400
yueee_yt 3:528f73ce625e 401 int AddEndpoint(int device, int ep, int attributes, int maxPacketSize, int interval)
yueee_yt 3:528f73ce625e 402 {
yueee_yt 3:528f73ce625e 403 LOG("AddEndpoint D:%02X A:%02X T:%02X P:%04X I:%02X\n",device,ep,attributes,maxPacketSize,interval);
yueee_yt 3:528f73ce625e 404 Device* dev = &Devices[device-1];
yueee_yt 3:528f73ce625e 405 Endpoint* endpoint = AllocateEndpoint(device,ep,attributes,maxPacketSize);
yueee_yt 3:528f73ce625e 406 if (!endpoint)
yueee_yt 3:528f73ce625e 407 return ERR_ENDPOINT_NONE_LEFT;
yueee_yt 3:528f73ce625e 408 dev->SetEndpointIndex(ep,endpoint - Endpoints);
yueee_yt 3:528f73ce625e 409 endpoint->EndpointDescriptor.Control |= dev->Flags; // Map in slow speed
yueee_yt 3:528f73ce625e 410 return 0; // TODO ed->bInterval
yueee_yt 3:528f73ce625e 411 }
yueee_yt 3:528f73ce625e 412
yueee_yt 3:528f73ce625e 413 int AddEndpoint(int device, EndpointDescriptor* ed)
yueee_yt 3:528f73ce625e 414 {
yueee_yt 3:528f73ce625e 415 return AddEndpoint(device,ed->bEndpointAddress,ed->bmAttributes,ed->wMaxPacketSize,ed->bInterval);
yueee_yt 3:528f73ce625e 416 }
peterbarrett1967 0:606b230e5b4a 417
yueee_yt 3:528f73ce625e 418 // allocate a endpoint
yueee_yt 3:528f73ce625e 419 Endpoint* AllocateEndpoint(int device, int endpointAddress, int type, int maxPacketSize)
yueee_yt 3:528f73ce625e 420 {
yueee_yt 3:528f73ce625e 421 for (int i = 0; i < MAX_ENDPOINTS_TOTAL; i++)
yueee_yt 3:528f73ce625e 422 {
yueee_yt 3:528f73ce625e 423 Endpoint* ep = &Endpoints[i];
yueee_yt 3:528f73ce625e 424 if (ep->CurrentState == 0)
yueee_yt 3:528f73ce625e 425 {
yueee_yt 3:528f73ce625e 426 //LOG("Allocated endpoint %d to %02X:%02X\n",i,device,endpointAddress);
yueee_yt 3:528f73ce625e 427 ep->Flags = (endpointAddress & 0x80) | (type & 3);
yueee_yt 3:528f73ce625e 428 ep->CurrentState = Endpoint::NotQueued;
yueee_yt 3:528f73ce625e 429 ep->EndpointDescriptor.Control = (maxPacketSize << 16) | ((endpointAddress & 0x7F) << 7) | device;
yueee_yt 3:528f73ce625e 430 return ep;
yueee_yt 3:528f73ce625e 431 }
yueee_yt 3:528f73ce625e 432 }
yueee_yt 3:528f73ce625e 433 return 0;
yueee_yt 3:528f73ce625e 434 }
peterbarrett1967 0:606b230e5b4a 435
yueee_yt 3:528f73ce625e 436 Endpoint* GetEndpoint(int device, int ep)
yueee_yt 3:528f73ce625e 437 {
yueee_yt 3:528f73ce625e 438 if (device == 0)
yueee_yt 3:528f73ce625e 439 {
yueee_yt 3:528f73ce625e 440 //printf("WARNING: USING DEVICE 0\n");
yueee_yt 3:528f73ce625e 441 return &EndpointZero;
yueee_yt 3:528f73ce625e 442 }
yueee_yt 3:528f73ce625e 443 if (device > MAX_DEVICES)
yueee_yt 3:528f73ce625e 444 return 0;
yueee_yt 3:528f73ce625e 445 int i = Devices[device-1].GetEndpointIndex(ep);
yueee_yt 3:528f73ce625e 446 if (i == -1)
yueee_yt 3:528f73ce625e 447 return 0;
yueee_yt 3:528f73ce625e 448 return Endpoints + i;
yueee_yt 3:528f73ce625e 449 }
peterbarrett1967 0:606b230e5b4a 450
yueee_yt 3:528f73ce625e 451 int Transfer(Endpoint* endpoint, int token, u8* data, int len, int state)
yueee_yt 3:528f73ce625e 452 {
yueee_yt 3:528f73ce625e 453 //LOG("Transfer %02X T:%d Len:%d S:%d\n",endpoint->Address(),token,len,state);
yueee_yt 3:528f73ce625e 454
yueee_yt 3:528f73ce625e 455 int toggle = 0;
yueee_yt 3:528f73ce625e 456 if (endpoint->Address() == 0)
yueee_yt 3:528f73ce625e 457 toggle = (token == TOKEN_SETUP) ? TD_TOGGLE_0 : TD_TOGGLE_1;
peterbarrett1967 0:606b230e5b4a 458
yueee_yt 3:528f73ce625e 459 if (token != TOKEN_SETUP)
yueee_yt 3:528f73ce625e 460 token = (token == TOKEN_IN ? TD_IN : TD_OUT);
peterbarrett1967 0:606b230e5b4a 461
yueee_yt 3:528f73ce625e 462 HCTD* head = &endpoint->TDHead;
yueee_yt 3:528f73ce625e 463 HCTD* tail = &_commonTail;
peterbarrett1967 0:606b230e5b4a 464
yueee_yt 3:528f73ce625e 465 head->Control = TD_ROUNDING | token | TD_DELAY_INT(0) | toggle | TD_CC;
yueee_yt 3:528f73ce625e 466 head->CurrBufPtr = (u32)data;
yueee_yt 3:528f73ce625e 467 head->BufEnd = (u32)(data + len - 1);
yueee_yt 3:528f73ce625e 468 head->Next = (u32)tail;
peterbarrett1967 0:606b230e5b4a 469
yueee_yt 3:528f73ce625e 470 HCED* ed = &endpoint->EndpointDescriptor;
yueee_yt 3:528f73ce625e 471 ed->HeadTd = (u32)head | (ed->HeadTd & 0x00000002); // carry toggle
yueee_yt 3:528f73ce625e 472 ed->TailTd = (u32)tail;
yueee_yt 3:528f73ce625e 473
yueee_yt 3:528f73ce625e 474 //HCTD* td = head;
yueee_yt 3:528f73ce625e 475 //LOG("%04X TD %08X %08X %08X Next:%08X\n",CommunicationArea.FrameNumber,td->Control,td->CurrBufPtr,td->BufEnd,td->Next);
yueee_yt 3:528f73ce625e 476 //LOG("%04X ED %08X %08X %08X\n",CommunicationArea.FrameNumber,ed->Control,ed->HeadTd,ed->TailTd);
yueee_yt 3:528f73ce625e 477
yueee_yt 3:528f73ce625e 478 switch (endpoint->Flags & 3)
yueee_yt 3:528f73ce625e 479 {
yueee_yt 3:528f73ce625e 480 case ENDPOINT_CONTROL:
yueee_yt 3:528f73ce625e 481 LPC_USB->HcControlHeadED = endpoint->Enqueue(LPC_USB->HcControlHeadED); // May change state NotQueued->Idle
yueee_yt 3:528f73ce625e 482 endpoint->CurrentState = state; // Get in before an int
yueee_yt 3:528f73ce625e 483 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | ControlListFilled;
yueee_yt 3:528f73ce625e 484 LPC_USB->HcControl = LPC_USB->HcControl | ControlListEnable;
yueee_yt 3:528f73ce625e 485 break;
peterbarrett1967 0:606b230e5b4a 486
yueee_yt 3:528f73ce625e 487 case ENDPOINT_BULK:
yueee_yt 3:528f73ce625e 488 LPC_USB->HcBulkHeadED = endpoint->Enqueue(LPC_USB->HcBulkHeadED);
yueee_yt 3:528f73ce625e 489 endpoint->CurrentState = state;
yueee_yt 3:528f73ce625e 490 LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | BulkListFilled;
yueee_yt 3:528f73ce625e 491 LPC_USB->HcControl = LPC_USB->HcControl | BulkListEnable;
yueee_yt 3:528f73ce625e 492 break;
peterbarrett1967 0:606b230e5b4a 493
yueee_yt 3:528f73ce625e 494 case ENDPOINT_INTERRUPT:
yueee_yt 3:528f73ce625e 495 CommunicationArea.InterruptTable[0] = endpoint->Enqueue(CommunicationArea.InterruptTable[0]);
yueee_yt 3:528f73ce625e 496 endpoint->CurrentState = state;
yueee_yt 3:528f73ce625e 497 LPC_USB->HcControl |= PeriodicListEnable;
yueee_yt 3:528f73ce625e 498 break;
yueee_yt 3:528f73ce625e 499 }
yueee_yt 3:528f73ce625e 500 return 0;
yueee_yt 3:528f73ce625e 501 }
yueee_yt 3:528f73ce625e 502
yueee_yt 3:528f73ce625e 503 // Remove an endpoint from an active queue
yueee_yt 3:528f73ce625e 504 bool Remove(HCED* ed, volatile HCED** queue)
yueee_yt 3:528f73ce625e 505 {
yueee_yt 3:528f73ce625e 506 if (*queue == 0)
yueee_yt 3:528f73ce625e 507 return false;
yueee_yt 3:528f73ce625e 508 if (*queue == (volatile HCED*)ed)
yueee_yt 3:528f73ce625e 509 {
yueee_yt 3:528f73ce625e 510 *queue = (volatile HCED*)ed->Next; // At head of queue
yueee_yt 3:528f73ce625e 511 return true;
yueee_yt 3:528f73ce625e 512 }
peterbarrett1967 0:606b230e5b4a 513
yueee_yt 3:528f73ce625e 514 volatile HCED* head = *queue;
yueee_yt 3:528f73ce625e 515 while (head)
yueee_yt 3:528f73ce625e 516 {
yueee_yt 3:528f73ce625e 517 if (head->Next == (u32)ed)
yueee_yt 3:528f73ce625e 518 {
yueee_yt 3:528f73ce625e 519 head->Next = ed->Next;
yueee_yt 3:528f73ce625e 520 return true;
yueee_yt 3:528f73ce625e 521 }
yueee_yt 3:528f73ce625e 522 head = (volatile HCED*)head->Next;
yueee_yt 3:528f73ce625e 523 }
yueee_yt 3:528f73ce625e 524 return false;
yueee_yt 3:528f73ce625e 525 }
peterbarrett1967 0:606b230e5b4a 526
yueee_yt 3:528f73ce625e 527 void Release(Endpoint* endpoint)
yueee_yt 3:528f73ce625e 528 {
yueee_yt 3:528f73ce625e 529 if (endpoint->CurrentState == Endpoint::NotQueued)
yueee_yt 3:528f73ce625e 530 {
yueee_yt 3:528f73ce625e 531 // Never event used it, nothing to do
yueee_yt 3:528f73ce625e 532 }
yueee_yt 3:528f73ce625e 533 else
yueee_yt 3:528f73ce625e 534 {
yueee_yt 3:528f73ce625e 535 HCED* ed = (HCED*)endpoint;
yueee_yt 3:528f73ce625e 536 ed->Control |= 0x4000; // SKIP
yueee_yt 3:528f73ce625e 537 switch (endpoint->Flags & 0x03)
yueee_yt 3:528f73ce625e 538 {
yueee_yt 3:528f73ce625e 539 case ENDPOINT_CONTROL:
yueee_yt 3:528f73ce625e 540 Remove(ed,(volatile HCED**)&LPC_USB->HcControlHeadED);
yueee_yt 3:528f73ce625e 541 break;
yueee_yt 3:528f73ce625e 542 case ENDPOINT_BULK:
yueee_yt 3:528f73ce625e 543 Remove(ed,(volatile HCED**)&LPC_USB->HcBulkHeadED);
yueee_yt 3:528f73ce625e 544 break;
yueee_yt 3:528f73ce625e 545 case ENDPOINT_INTERRUPT:
yueee_yt 3:528f73ce625e 546 for (int i = 0; i < 32; i++)
yueee_yt 3:528f73ce625e 547 Remove(ed,(volatile HCED**)&CommunicationArea.InterruptTable[i]);
yueee_yt 3:528f73ce625e 548 break;
yueee_yt 3:528f73ce625e 549 }
peterbarrett1967 0:606b230e5b4a 550
yueee_yt 3:528f73ce625e 551 u16 fn = CommunicationArea.FrameNumber;
yueee_yt 3:528f73ce625e 552 while (fn == CommunicationArea.FrameNumber)
yueee_yt 3:528f73ce625e 553 ; // Wait for next frame
peterbarrett1967 0:606b230e5b4a 554
yueee_yt 3:528f73ce625e 555 }
peterbarrett1967 0:606b230e5b4a 556
yueee_yt 3:528f73ce625e 557 // In theory, the endpoint is now dead.
yueee_yt 3:528f73ce625e 558 // TODO: Will Callbacks ever be pending? BUGBUG
yueee_yt 3:528f73ce625e 559 memset(endpoint,0,sizeof(Endpoint));
yueee_yt 3:528f73ce625e 560 }
peterbarrett1967 0:606b230e5b4a 561
yueee_yt 3:528f73ce625e 562 // Pop the last TD from the list
yueee_yt 3:528f73ce625e 563 HCTD* Reverse(HCTD* current)
yueee_yt 3:528f73ce625e 564 {
yueee_yt 3:528f73ce625e 565 HCTD *result = NULL,*temp;
yueee_yt 3:528f73ce625e 566 while (current)
yueee_yt 3:528f73ce625e 567 {
yueee_yt 3:528f73ce625e 568 temp = (HCTD*)current->Next;
yueee_yt 3:528f73ce625e 569 current->Next = (u32)result;
yueee_yt 3:528f73ce625e 570 result = current;
yueee_yt 3:528f73ce625e 571 current = temp;
yueee_yt 3:528f73ce625e 572 }
yueee_yt 3:528f73ce625e 573 return result;
yueee_yt 3:528f73ce625e 574 }
peterbarrett1967 0:606b230e5b4a 575
yueee_yt 3:528f73ce625e 576 // Called from interrupt...
yueee_yt 3:528f73ce625e 577 // Control endpoints use a state machine to progress through the transfers
yueee_yt 3:528f73ce625e 578 void ProcessDoneQueue(u32 tdList)
yueee_yt 3:528f73ce625e 579 {
yueee_yt 3:528f73ce625e 580 HCTD* list = Reverse((HCTD*)tdList);
yueee_yt 3:528f73ce625e 581 while (list)
yueee_yt 3:528f73ce625e 582 {
yueee_yt 3:528f73ce625e 583 Endpoint* endpoint = (Endpoint*)(list-1);
yueee_yt 3:528f73ce625e 584 list = (HCTD*)list->Next;
yueee_yt 3:528f73ce625e 585 int ep = endpoint->Address();
yueee_yt 3:528f73ce625e 586 bool in = endpoint->Flags & 0x80;
yueee_yt 3:528f73ce625e 587 int status = (endpoint->TDHead.Control >> 28) & 0xF;
peterbarrett1967 0:606b230e5b4a 588
yueee_yt 3:528f73ce625e 589 //LOG("ProcessDoneQueue %02X %08X\n",ep,endpoint->TDHead.Control);
peterbarrett1967 0:606b230e5b4a 590
yueee_yt 3:528f73ce625e 591 if (status != 0)
yueee_yt 3:528f73ce625e 592 {
yueee_yt 3:528f73ce625e 593 LOG("ProcessDoneQueue status %02X %d\n",ep,status);
yueee_yt 3:528f73ce625e 594 endpoint->CurrentState = Endpoint::Idle;
yueee_yt 3:528f73ce625e 595 } else {
yueee_yt 3:528f73ce625e 596 switch (endpoint->CurrentState)
yueee_yt 3:528f73ce625e 597 {
yueee_yt 3:528f73ce625e 598 case Endpoint::SetupQueued:
yueee_yt 3:528f73ce625e 599 if (endpoint->Length == 0)
yueee_yt 3:528f73ce625e 600 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Skip Data Phase
yueee_yt 3:528f73ce625e 601 else
yueee_yt 3:528f73ce625e 602 Transfer(endpoint,in ? TOKEN_IN : TOKEN_OUT,endpoint->Data,endpoint->Length, Endpoint::DataQueued); // Setup is done, now Data
yueee_yt 3:528f73ce625e 603 break;
peterbarrett1967 0:606b230e5b4a 604
yueee_yt 3:528f73ce625e 605 case Endpoint::DataQueued:
yueee_yt 3:528f73ce625e 606 if (endpoint->TDHead.CurrBufPtr)
yueee_yt 3:528f73ce625e 607 endpoint->Length = endpoint->TDHead.CurrBufPtr - (u32)endpoint->Data;
peterbarrett1967 0:606b230e5b4a 608
yueee_yt 3:528f73ce625e 609 if (ep == 0)
yueee_yt 3:528f73ce625e 610 Transfer(endpoint,in ? TOKEN_OUT : TOKEN_IN,0,0,Endpoint::StatusQueued); // Data is done, now Status, Control only
yueee_yt 3:528f73ce625e 611 else
yueee_yt 3:528f73ce625e 612 endpoint->CurrentState = Endpoint::Idle;
yueee_yt 3:528f73ce625e 613 break;
peterbarrett1967 0:606b230e5b4a 614
yueee_yt 3:528f73ce625e 615 case Endpoint::StatusQueued: // Transaction is done
yueee_yt 3:528f73ce625e 616 endpoint->CurrentState = Endpoint::Idle;
yueee_yt 3:528f73ce625e 617 break;
yueee_yt 3:528f73ce625e 618 }
yueee_yt 3:528f73ce625e 619 }
peterbarrett1967 0:606b230e5b4a 620
yueee_yt 3:528f73ce625e 621 // Complete, flag if we need a callback
yueee_yt 3:528f73ce625e 622 if (endpoint->Callback && endpoint->CurrentState == Endpoint::Idle)
yueee_yt 3:528f73ce625e 623 {
yueee_yt 3:528f73ce625e 624 endpoint->CurrentState = Endpoint::CallbackPending;
yueee_yt 3:528f73ce625e 625 _callbacksPending++;
yueee_yt 3:528f73ce625e 626 }
yueee_yt 3:528f73ce625e 627 }
yueee_yt 3:528f73ce625e 628 }
peterbarrett1967 0:606b230e5b4a 629
yueee_yt 3:528f73ce625e 630 // Hack to reset devices that don't want to connect
yueee_yt 3:528f73ce625e 631 int AddDevice(int hub, int port, bool isLowSpeed)
yueee_yt 3:528f73ce625e 632 {
yueee_yt 3:528f73ce625e 633 int device = AddDeviceCore(hub,port,isLowSpeed);
peterbarrett1967 0:606b230e5b4a 634 if (device < 0)
yueee_yt 3:528f73ce625e 635 {
yueee_yt 3:528f73ce625e 636 LOG("========RETRY ADD DEVICE========\n"); // This will go for ever.. TODO power cycle root?
yueee_yt 3:528f73ce625e 637 Disconnect(hub,port); // Could not read descriptor at assigned address, reset this port and try again
yueee_yt 3:528f73ce625e 638 ResetPort(hub,port); // Cheap bluetooth dongles often need this on a hotplug
peterbarrett1967 0:606b230e5b4a 639 return -1;
peterbarrett1967 0:606b230e5b4a 640 }
yueee_yt 3:528f73ce625e 641 return device;
yueee_yt 3:528f73ce625e 642 }
peterbarrett1967 0:606b230e5b4a 643
yueee_yt 3:528f73ce625e 644 int AddDeviceCore(int hub, int port, bool isLowSpeed)
yueee_yt 3:528f73ce625e 645 {
yueee_yt 3:528f73ce625e 646 int lowSpeed = isLowSpeed ? 0x2000 : 0;
yueee_yt 3:528f73ce625e 647 DeviceDescriptor desc;
yueee_yt 3:528f73ce625e 648 EndpointZero.EndpointDescriptor.Control = (8 << 16) | lowSpeed; // MaxPacketSize == 8
yueee_yt 3:528f73ce625e 649 int r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,8);
yueee_yt 3:528f73ce625e 650 if (r < 0)
yueee_yt 3:528f73ce625e 651 {
yueee_yt 3:528f73ce625e 652 LOG("FAILED TO LOAD DESCRIPTOR FOR DEVICE 0\n");
yueee_yt 3:528f73ce625e 653 return r;
yueee_yt 3:528f73ce625e 654 }
peterbarrett1967 0:606b230e5b4a 655
yueee_yt 3:528f73ce625e 656 EndpointZero.EndpointDescriptor.Control = (desc.bMaxPacketSize << 16) | lowSpeed; // Actual MaxPacketSize
yueee_yt 3:528f73ce625e 657 r = GetDescriptor(0,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
yueee_yt 3:528f73ce625e 658 if (r < 0)
yueee_yt 3:528f73ce625e 659 return r;
peterbarrett1967 0:606b230e5b4a 660
yueee_yt 3:528f73ce625e 661 LOG("\nClass %02X found %04X:%04X\n\n",desc.bDeviceClass,desc.idVendor,desc.idProduct);
peterbarrett1967 0:606b230e5b4a 662
yueee_yt 3:528f73ce625e 663 // Now assign the device an address, move off EndpointZero
yueee_yt 3:528f73ce625e 664 int device = 0;
yueee_yt 3:528f73ce625e 665 for (int i = 0; i < MAX_DEVICES; i++)
yueee_yt 3:528f73ce625e 666 {
yueee_yt 3:528f73ce625e 667 if (Devices[i].Port == 0)
yueee_yt 3:528f73ce625e 668 {
yueee_yt 3:528f73ce625e 669 device = i+1;
yueee_yt 3:528f73ce625e 670 break;
yueee_yt 3:528f73ce625e 671 }
yueee_yt 3:528f73ce625e 672 }
yueee_yt 3:528f73ce625e 673 if (!device)
yueee_yt 3:528f73ce625e 674 return ERR_DEVICE_NONE_LEFT;
peterbarrett1967 0:606b230e5b4a 675
yueee_yt 3:528f73ce625e 676 r = SetAddress(0,device);
yueee_yt 3:528f73ce625e 677 if (r)
yueee_yt 3:528f73ce625e 678 return r;
yueee_yt 3:528f73ce625e 679 DelayMS(2);
yueee_yt 3:528f73ce625e 680
yueee_yt 3:528f73ce625e 681 // Now at a nonzero address, create control endpoint
yueee_yt 3:528f73ce625e 682 Device* dev = &Devices[device-1];
yueee_yt 3:528f73ce625e 683 dev->Init(&desc,hub,port,device,lowSpeed);
yueee_yt 3:528f73ce625e 684 AddEndpoint(device,0,ENDPOINT_CONTROL,desc.bMaxPacketSize,0);
yueee_yt 3:528f73ce625e 685 _connectPending = 0;
peterbarrett1967 0:606b230e5b4a 686
yueee_yt 3:528f73ce625e 687 // Verify this all works
yueee_yt 3:528f73ce625e 688 r = GetDescriptor(device,DESCRIPTOR_TYPE_DEVICE,0,(u8*)&desc,sizeof(desc));
yueee_yt 3:528f73ce625e 689 if (r < 0)
yueee_yt 3:528f73ce625e 690 return r;
peterbarrett1967 0:606b230e5b4a 691
yueee_yt 3:528f73ce625e 692 // Set to interface 0 by default
yueee_yt 3:528f73ce625e 693 // Calls LoadDevice if interface is found
yueee_yt 3:528f73ce625e 694 r = SetConfigurationAndInterface(device,1,0,&desc);
peterbarrett1967 0:606b230e5b4a 695
yueee_yt 3:528f73ce625e 696 if (desc.bDeviceClass == CLASS_HUB)
yueee_yt 3:528f73ce625e 697 InitHub(device); // Handle hubs in this code
peterbarrett1967 0:606b230e5b4a 698
yueee_yt 3:528f73ce625e 699 return device;
yueee_yt 3:528f73ce625e 700 }
peterbarrett1967 0:606b230e5b4a 701
yueee_yt 3:528f73ce625e 702 // Walk descriptors and create endpoints for a given device
yueee_yt 3:528f73ce625e 703 // TODO configuration !=1, alternate settings etc.
yueee_yt 3:528f73ce625e 704 int SetConfigurationAndInterface(int device, int configuration, int interfaceNumber, DeviceDescriptor* desc)
yueee_yt 3:528f73ce625e 705 {
yueee_yt 3:528f73ce625e 706 u8 buffer[255];
yueee_yt 3:528f73ce625e 707 int err = GetDescriptor(device,DESCRIPTOR_TYPE_CONFIGURATION,0,buffer,sizeof(buffer));
yueee_yt 3:528f73ce625e 708 if (err < 0)
yueee_yt 3:528f73ce625e 709 return err;
peterbarrett1967 0:606b230e5b4a 710
yueee_yt 3:528f73ce625e 711 err = SetConfiguration(device,configuration);
yueee_yt 3:528f73ce625e 712 if (err < 0)
yueee_yt 3:528f73ce625e 713 return err;
peterbarrett1967 0:606b230e5b4a 714
yueee_yt 3:528f73ce625e 715 // Add the endpoints for this interface
yueee_yt 3:528f73ce625e 716 int len = buffer[2] | (buffer[3] << 8);
yueee_yt 3:528f73ce625e 717 u8* d = buffer;
yueee_yt 3:528f73ce625e 718 u8* end = d + len;
yueee_yt 3:528f73ce625e 719 InterfaceDescriptor* found = 0;
yueee_yt 3:528f73ce625e 720 while (d < end)
yueee_yt 3:528f73ce625e 721 {
yueee_yt 3:528f73ce625e 722 if (d[1] == DESCRIPTOR_TYPE_INTERFACE)
yueee_yt 3:528f73ce625e 723 {
yueee_yt 3:528f73ce625e 724 InterfaceDescriptor* id = (InterfaceDescriptor*)d;
yueee_yt 3:528f73ce625e 725 if (id->bInterfaceNumber == interfaceNumber)
yueee_yt 3:528f73ce625e 726 {
yueee_yt 3:528f73ce625e 727 found = id;
yueee_yt 3:528f73ce625e 728 d += d[0];
yueee_yt 3:528f73ce625e 729 while (d < end && d[1] != DESCRIPTOR_TYPE_INTERFACE)
yueee_yt 3:528f73ce625e 730 {
yueee_yt 3:528f73ce625e 731 switch (d[1])
yueee_yt 3:528f73ce625e 732 {
yueee_yt 3:528f73ce625e 733 case DESCRIPTOR_TYPE_ENDPOINT:
yueee_yt 3:528f73ce625e 734 AddEndpoint(device,(EndpointDescriptor*)d);
yueee_yt 3:528f73ce625e 735 break;
yueee_yt 3:528f73ce625e 736 default:
yueee_yt 3:528f73ce625e 737 LOG("Skipping descriptor %02X (%d bytes)\n",d[1],d[0]);
yueee_yt 3:528f73ce625e 738 }
yueee_yt 3:528f73ce625e 739 d += d[0];
yueee_yt 3:528f73ce625e 740 }
yueee_yt 3:528f73ce625e 741 }
yueee_yt 3:528f73ce625e 742 }
yueee_yt 3:528f73ce625e 743 d += d[0];
yueee_yt 3:528f73ce625e 744 }
peterbarrett1967 0:606b230e5b4a 745
yueee_yt 3:528f73ce625e 746 if (!found)
yueee_yt 3:528f73ce625e 747 return ERR_INTERFACE_NOT_FOUND;
yueee_yt 3:528f73ce625e 748 OnLoadDevice(device,desc,found);
yueee_yt 3:528f73ce625e 749 return 0;
yueee_yt 3:528f73ce625e 750 }
peterbarrett1967 0:606b230e5b4a 751
yueee_yt 3:528f73ce625e 752 void Init()
yueee_yt 3:528f73ce625e 753 {
yueee_yt 3:528f73ce625e 754 LOG("USB INIT (Controller is %d bytes)\n",sizeof(*this));
yueee_yt 3:528f73ce625e 755 memset(this,0,sizeof(HostController));
yueee_yt 3:528f73ce625e 756 EndpointZero.CurrentState = Endpoint::NotQueued;
yueee_yt 3:528f73ce625e 757 HWInit(&CommunicationArea);
yueee_yt 3:528f73ce625e 758 DelayMS(10);
yueee_yt 3:528f73ce625e 759 }
peterbarrett1967 0:606b230e5b4a 760
yueee_yt 3:528f73ce625e 761 void ResetPort(int hub, int port)
yueee_yt 3:528f73ce625e 762 {
yueee_yt 3:528f73ce625e 763 LOG("ResetPort Hub:%d Port:%d\n",hub,port);
yueee_yt 3:528f73ce625e 764 _connectPending++; // Only reset/add 1 device at a time
yueee_yt 3:528f73ce625e 765 if (hub == 0)
yueee_yt 3:528f73ce625e 766 LPC_USB->HcRhPortStatus1 = PortResetStatus; // Reset Root Hub, port 1
yueee_yt 3:528f73ce625e 767 else
yueee_yt 3:528f73ce625e 768 SetPortReset(hub,port); // or reset other hub
yueee_yt 3:528f73ce625e 769 }
peterbarrett1967 0:606b230e5b4a 770
yueee_yt 3:528f73ce625e 771 void Disconnect(int hub, int port)
yueee_yt 3:528f73ce625e 772 {
yueee_yt 3:528f73ce625e 773 LOG("Disconnect Hub:%d Port:%d\n",hub,port); // Mark a device for destruction
yueee_yt 3:528f73ce625e 774 for (int i = 0; i < MAX_DEVICES; i++)
yueee_yt 3:528f73ce625e 775 {
yueee_yt 3:528f73ce625e 776 Device* dev = Devices + i;
yueee_yt 3:528f73ce625e 777 if (dev->Port == port && dev->Hub == hub)
yueee_yt 3:528f73ce625e 778 {
yueee_yt 3:528f73ce625e 779 // Disconnect everything that is attached to this device if it is a hub
yueee_yt 3:528f73ce625e 780 for (int p = 0; p < dev->HubPortCount; p++)
yueee_yt 3:528f73ce625e 781 Disconnect(i+1,p+1);
peterbarrett1967 0:606b230e5b4a 782
yueee_yt 3:528f73ce625e 783 // Now release endpoints
yueee_yt 3:528f73ce625e 784 for (int j = 1; j < MAX_ENDPOINTS_PER_DEVICE*2; j += 2)
yueee_yt 3:528f73ce625e 785 {
yueee_yt 3:528f73ce625e 786 u8 endpointIndex = dev->_endpointMap[j];
yueee_yt 3:528f73ce625e 787 if (endpointIndex != 0xFF)
yueee_yt 3:528f73ce625e 788 Release(Endpoints + endpointIndex);
yueee_yt 3:528f73ce625e 789 }
yueee_yt 3:528f73ce625e 790 dev->Port = 0; // Device is now free
yueee_yt 3:528f73ce625e 791 dev->Flags = 0;
yueee_yt 3:528f73ce625e 792 return;
yueee_yt 3:528f73ce625e 793 }
yueee_yt 3:528f73ce625e 794 }
yueee_yt 3:528f73ce625e 795 }
peterbarrett1967 0:606b230e5b4a 796
yueee_yt 3:528f73ce625e 797 // called after reset
yueee_yt 3:528f73ce625e 798 void Connect(int hub, int port, bool lowspeed)
yueee_yt 3:528f73ce625e 799 {
yueee_yt 3:528f73ce625e 800 LOG("Connect Hub:%d Port:%d %s\n",hub,port,lowspeed ? "slow" : "full");
yueee_yt 3:528f73ce625e 801 AddDevice(hub,port,lowspeed);
yueee_yt 3:528f73ce625e 802 }
peterbarrett1967 0:606b230e5b4a 803
yueee_yt 3:528f73ce625e 804 // Called from interrupt
yueee_yt 3:528f73ce625e 805 void HubStatusChange(int hub, int port, u32 status)
yueee_yt 3:528f73ce625e 806 {
yueee_yt 3:528f73ce625e 807 LOG("HubStatusChange Hub:%d Port:%d %08X\n",hub,port,status);
yueee_yt 3:528f73ce625e 808 if (status & ConnectStatusChange)
yueee_yt 3:528f73ce625e 809 {
yueee_yt 3:528f73ce625e 810 if (status & CurrentConnectStatus) // Connecting
yueee_yt 3:528f73ce625e 811 ResetPort(hub,port); // Reset to initiate connect (state machine?)
yueee_yt 3:528f73ce625e 812 else
yueee_yt 3:528f73ce625e 813 Disconnect(hub,port);
yueee_yt 3:528f73ce625e 814 }
peterbarrett1967 0:606b230e5b4a 815
yueee_yt 3:528f73ce625e 816 if (status & PortResetStatusChange)
yueee_yt 3:528f73ce625e 817 {
yueee_yt 3:528f73ce625e 818 if (!(status & PortResetStatus))
yueee_yt 3:528f73ce625e 819 {
yueee_yt 3:528f73ce625e 820 _connectCountdown = 200; // Schedule a connection in 200ms
yueee_yt 3:528f73ce625e 821 if (status & LowspeedDevice)
yueee_yt 3:528f73ce625e 822 port |= 0x80;
yueee_yt 3:528f73ce625e 823 _connectHub = hub;
yueee_yt 3:528f73ce625e 824 _connectPort = port;
yueee_yt 3:528f73ce625e 825 }
yueee_yt 3:528f73ce625e 826 }
yueee_yt 3:528f73ce625e 827 }
peterbarrett1967 0:606b230e5b4a 828
yueee_yt 3:528f73ce625e 829 #define HOST_CLK_EN (1<<0)
yueee_yt 3:528f73ce625e 830 #define PORTSEL_CLK_EN (1<<3)
yueee_yt 3:528f73ce625e 831 #define AHB_CLK_EN (1<<4)
yueee_yt 3:528f73ce625e 832 #define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
peterbarrett1967 0:606b230e5b4a 833
yueee_yt 3:528f73ce625e 834 #define FRAMEINTERVAL (12000-1) // 1ms
yueee_yt 3:528f73ce625e 835 #define DEFAULT_FMINTERVAL ((((6 * (FRAMEINTERVAL - 210)) / 7) << 16) | FRAMEINTERVAL)
peterbarrett1967 0:606b230e5b4a 836
yueee_yt 3:528f73ce625e 837 void DelayMS(int ms)
yueee_yt 3:528f73ce625e 838 {
yueee_yt 3:528f73ce625e 839 u16 f = ms + CommunicationArea.FrameNumber;
yueee_yt 3:528f73ce625e 840 while (f != CommunicationArea.FrameNumber)
yueee_yt 3:528f73ce625e 841 ;
yueee_yt 3:528f73ce625e 842 }
peterbarrett1967 0:606b230e5b4a 843
yueee_yt 3:528f73ce625e 844 static void HWInit(HCCA* cca)
yueee_yt 3:528f73ce625e 845 {
yueee_yt 3:528f73ce625e 846 NVIC_DisableIRQ(USB_IRQn);
yueee_yt 3:528f73ce625e 847
yueee_yt 3:528f73ce625e 848 // turn on power for USB
yueee_yt 3:528f73ce625e 849 LPC_SC->PCONP |= (1UL<<31);
yueee_yt 3:528f73ce625e 850 // Enable USB host clock, port selection and AHB clock
yueee_yt 3:528f73ce625e 851 LPC_USB->USBClkCtrl |= CLOCK_MASK;
yueee_yt 3:528f73ce625e 852 // Wait for clocks to become available
yueee_yt 3:528f73ce625e 853 while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK)
yueee_yt 3:528f73ce625e 854 ;
yueee_yt 3:528f73ce625e 855
yueee_yt 3:528f73ce625e 856 // We are a Host
yueee_yt 3:528f73ce625e 857 LPC_USB->OTGStCtrl |= 1;
yueee_yt 3:528f73ce625e 858 LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN; // we don't need port selection clock until we do OTG
yueee_yt 3:528f73ce625e 859
yueee_yt 3:528f73ce625e 860 // configure USB pins
yueee_yt 3:528f73ce625e 861 LPC_PINCON->PINSEL1 &= ~((3<<26)|(3<<28));
yueee_yt 3:528f73ce625e 862 LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); // USB D+/D-
yueee_yt 3:528f73ce625e 863
yueee_yt 3:528f73ce625e 864 LPC_PINCON->PINSEL3 &= ~((3 << 6) | (3 << 22)); // USB_PPWR, USB_OVRCR
yueee_yt 3:528f73ce625e 865 LPC_PINCON->PINSEL3 |= ((2 << 6) | (2 << 22));
yueee_yt 3:528f73ce625e 866
yueee_yt 3:528f73ce625e 867 LPC_PINCON->PINSEL4 &= ~(3 << 18); // USB_CONNECT
yueee_yt 3:528f73ce625e 868 LPC_PINCON->PINSEL4 |= (1 << 18);
peterbarrett1967 0:606b230e5b4a 869
yueee_yt 3:528f73ce625e 870 // Reset OHCI block
yueee_yt 3:528f73ce625e 871 LPC_USB->HcControl = 0;
yueee_yt 3:528f73ce625e 872 LPC_USB->HcControlHeadED = 0;
yueee_yt 3:528f73ce625e 873 LPC_USB->HcBulkHeadED = 0;
yueee_yt 3:528f73ce625e 874
yueee_yt 3:528f73ce625e 875 LPC_USB->HcCommandStatus = HostControllerReset;
yueee_yt 3:528f73ce625e 876 LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
yueee_yt 3:528f73ce625e 877 LPC_USB->HcPeriodicStart = FRAMEINTERVAL*90/100;
peterbarrett1967 0:606b230e5b4a 878
yueee_yt 3:528f73ce625e 879 LPC_USB->HcControl = (LPC_USB->HcControl & (~HostControllerFunctionalState)) | OperationalMask;
yueee_yt 3:528f73ce625e 880 LPC_USB->HcRhStatus = SetGlobalPower;
yueee_yt 3:528f73ce625e 881
yueee_yt 3:528f73ce625e 882 LPC_USB->HcHCCA = (u32)cca;
yueee_yt 3:528f73ce625e 883 LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus;
yueee_yt 3:528f73ce625e 884 LPC_USB->HcInterruptEnable = MasterInterruptEnable | WritebackDoneHead | RootHubStatusChange | FrameNumberOverflow;
peterbarrett1967 0:606b230e5b4a 885
yueee_yt 3:528f73ce625e 886 NVIC_SetPriority(USB_IRQn, 0);
yueee_yt 3:528f73ce625e 887 NVIC_EnableIRQ(USB_IRQn);
yueee_yt 3:528f73ce625e 888 while (cca->FrameNumber < 10)
yueee_yt 3:528f73ce625e 889 ; // 10ms delay before diving in
yueee_yt 3:528f73ce625e 890 }
peterbarrett1967 0:606b230e5b4a 891 };
peterbarrett1967 0:606b230e5b4a 892
peterbarrett1967 0:606b230e5b4a 893 //====================================================================================
peterbarrett1967 0:606b230e5b4a 894 //====================================================================================
yueee_yt 3:528f73ce625e 895 // Host controller instance and Interrupt handler
peterbarrett1967 0:606b230e5b4a 896
yueee_yt 4:357ea5242a16 897 //static HostController _controller __attribute__((at(USB_RAM_BASE)));
yueee_yt 6:08a406cd2726 898 static __align(256) HostController _controller __attribute__((section("AHBSRAM1")));
peterbarrett1967 0:606b230e5b4a 899
peterbarrett1967 0:606b230e5b4a 900 extern "C" void USB_IRQHandler(void) __irq;
peterbarrett1967 0:606b230e5b4a 901 void USB_IRQHandler (void) __irq
peterbarrett1967 0:606b230e5b4a 902 {
yueee_yt 3:528f73ce625e 903 u32 int_status = LPC_USB->HcInterruptStatus;
peterbarrett1967 0:606b230e5b4a 904
yueee_yt 3:528f73ce625e 905 if (int_status & RootHubStatusChange) // Root hub status change
yueee_yt 3:528f73ce625e 906 _controller._rootHubStatusChange++; // Just flag the controller, will be processed in USBLoop
peterbarrett1967 0:606b230e5b4a 907
yueee_yt 3:528f73ce625e 908 u32 head = 0;
yueee_yt 3:528f73ce625e 909 if (int_status & WritebackDoneHead)
yueee_yt 3:528f73ce625e 910 {
yueee_yt 3:528f73ce625e 911 head = _controller.CommunicationArea.DoneHead; // Writeback Done
yueee_yt 3:528f73ce625e 912 _controller.CommunicationArea.DoneHead = 0;
yueee_yt 3:528f73ce625e 913 }
yueee_yt 3:528f73ce625e 914 LPC_USB->HcInterruptStatus = int_status;
peterbarrett1967 0:606b230e5b4a 915
yueee_yt 3:528f73ce625e 916 if (head)
yueee_yt 3:528f73ce625e 917 _controller.ProcessDoneQueue(head); // TODO - low bit can be set BUGBUG
peterbarrett1967 0:606b230e5b4a 918 }
peterbarrett1967 0:606b230e5b4a 919
peterbarrett1967 0:606b230e5b4a 920 //====================================================================================
peterbarrett1967 0:606b230e5b4a 921 //====================================================================================
yueee_yt 3:528f73ce625e 922 // API Methods
peterbarrett1967 0:606b230e5b4a 923
peterbarrett1967 0:606b230e5b4a 924 void USBInit()
peterbarrett1967 0:606b230e5b4a 925 {
yueee_yt 3:528f73ce625e 926 return _controller.Init();
peterbarrett1967 0:606b230e5b4a 927 }
peterbarrett1967 0:606b230e5b4a 928
peterbarrett1967 0:606b230e5b4a 929 void USBLoop()
peterbarrett1967 0:606b230e5b4a 930 {
yueee_yt 3:528f73ce625e 931 return _controller.Loop();
peterbarrett1967 0:606b230e5b4a 932 }
peterbarrett1967 0:606b230e5b4a 933
peterbarrett1967 0:606b230e5b4a 934 u8* USBGetBuffer(u32* len)
peterbarrett1967 0:606b230e5b4a 935 {
yueee_yt 3:528f73ce625e 936 *len = USB_RAM_SIZE - sizeof(HostController);
yueee_yt 3:528f73ce625e 937 return _controller.SRAM;
peterbarrett1967 0:606b230e5b4a 938 }
peterbarrett1967 0:606b230e5b4a 939
peterbarrett1967 0:606b230e5b4a 940 static Setup* GetSetup(int device)
peterbarrett1967 0:606b230e5b4a 941 {
yueee_yt 3:528f73ce625e 942 if (device == 0)
yueee_yt 3:528f73ce625e 943 return &_controller._setupZero;
yueee_yt 3:528f73ce625e 944
yueee_yt 3:528f73ce625e 945 if (device < 1 || device > MAX_DEVICES)
yueee_yt 3:528f73ce625e 946 return 0;
yueee_yt 3:528f73ce625e 947 return &_controller.Devices[device-1].SetupBuffer;
peterbarrett1967 0:606b230e5b4a 948 }
peterbarrett1967 0:606b230e5b4a 949
yueee_yt 3:528f73ce625e 950 // Loop until IO on endpoint is complete
peterbarrett1967 0:606b230e5b4a 951 static int WaitIODone(Endpoint* endpoint)
peterbarrett1967 0:606b230e5b4a 952 {
yueee_yt 3:528f73ce625e 953 if (endpoint->CurrentState == Endpoint::NotQueued)
yueee_yt 3:528f73ce625e 954 return 0;
yueee_yt 3:528f73ce625e 955 while (endpoint->CurrentState != Endpoint::Idle)
yueee_yt 3:528f73ce625e 956 USBLoop(); // May generate callbacks, mount or unmount devices etc
yueee_yt 3:528f73ce625e 957 int status = endpoint->Status();
yueee_yt 3:528f73ce625e 958 if (status == 0)
yueee_yt 3:528f73ce625e 959 return endpoint->Length;
yueee_yt 3:528f73ce625e 960 return -status;
peterbarrett1967 0:606b230e5b4a 961 }
peterbarrett1967 0:606b230e5b4a 962
peterbarrett1967 0:606b230e5b4a 963 int USBTransfer(int device, int ep, u8 flags, u8* data, int length, USBCallback callback, void* userData)
peterbarrett1967 0:606b230e5b4a 964 {
yueee_yt 3:528f73ce625e 965 Endpoint* endpoint = _controller.GetEndpoint(device,ep);
yueee_yt 3:528f73ce625e 966 if (!endpoint)
yueee_yt 3:528f73ce625e 967 return ERR_ENDPOINT_NOT_FOUND;
yueee_yt 3:528f73ce625e 968
yueee_yt 3:528f73ce625e 969 WaitIODone(endpoint);
yueee_yt 3:528f73ce625e 970 endpoint->Flags = flags;
yueee_yt 3:528f73ce625e 971 endpoint->Data = data;
yueee_yt 3:528f73ce625e 972 endpoint->Length = length;
yueee_yt 3:528f73ce625e 973 endpoint->Callback = callback;
yueee_yt 3:528f73ce625e 974 endpoint->UserData = userData;
yueee_yt 3:528f73ce625e 975 if (ep == 0)
yueee_yt 3:528f73ce625e 976 _controller.Transfer(endpoint,TOKEN_SETUP,(u8*)GetSetup(device),8,Endpoint::SetupQueued);
yueee_yt 3:528f73ce625e 977 else
yueee_yt 3:528f73ce625e 978 _controller.Transfer(endpoint,flags & 0x80 ? TOKEN_IN : TOKEN_OUT,data,length,Endpoint::DataQueued);
yueee_yt 3:528f73ce625e 979 if (callback)
yueee_yt 3:528f73ce625e 980 return IO_PENDING;
yueee_yt 3:528f73ce625e 981 return WaitIODone(endpoint);
peterbarrett1967 0:606b230e5b4a 982 }
peterbarrett1967 0:606b230e5b4a 983
peterbarrett1967 0:606b230e5b4a 984 int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback, void * userData)
peterbarrett1967 0:606b230e5b4a 985 {
yueee_yt 3:528f73ce625e 986 Setup* setup = GetSetup(device);
yueee_yt 3:528f73ce625e 987 if (!setup)
yueee_yt 3:528f73ce625e 988 return ERR_DEVICE_NOT_FOUND;
yueee_yt 3:528f73ce625e 989
yueee_yt 3:528f73ce625e 990 // Async control calls may overwrite setup buffer of previous call, so we need to wait before setting up next call
yueee_yt 3:528f73ce625e 991 WaitIODone(_controller.GetEndpoint(device,0));
yueee_yt 3:528f73ce625e 992
yueee_yt 3:528f73ce625e 993 setup->bm_request_type = request_type;
yueee_yt 3:528f73ce625e 994 setup->b_request = request;
yueee_yt 3:528f73ce625e 995 setup->w_value = value;
yueee_yt 3:528f73ce625e 996 setup->w_index = index;
yueee_yt 3:528f73ce625e 997 setup->w_length = length;
yueee_yt 3:528f73ce625e 998 return USBTransfer(device,0,request_type & DEVICE_TO_HOST,data,length,callback,userData);
peterbarrett1967 0:606b230e5b4a 999 }
peterbarrett1967 0:606b230e5b4a 1000
peterbarrett1967 0:606b230e5b4a 1001 int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
peterbarrett1967 0:606b230e5b4a 1002 {
yueee_yt 3:528f73ce625e 1003 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_INTERRUPT,data,length,callback,userData);
peterbarrett1967 0:606b230e5b4a 1004 }
peterbarrett1967 0:606b230e5b4a 1005
peterbarrett1967 0:606b230e5b4a 1006 int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback, void* userData)
peterbarrett1967 0:606b230e5b4a 1007 {
yueee_yt 3:528f73ce625e 1008 return USBTransfer(device,ep,(ep & 0x80) | ENDPOINT_BULK,data,length,callback,userData);
peterbarrett1967 0:606b230e5b4a 1009 }
peterbarrett1967 0:606b230e5b4a 1010
peterbarrett1967 0:606b230e5b4a 1011 int GetDescriptor(int device, int descType,int descIndex, u8* data, int length)
peterbarrett1967 0:606b230e5b4a 1012 {
yueee_yt 3:528f73ce625e 1013 return USBControlTransfer(device,DEVICE_TO_HOST | RECIPIENT_DEVICE, GET_DESCRIPTOR,(descType << 8)|(descIndex), 0, data, length, 0);
peterbarrett1967 0:606b230e5b4a 1014 }
peterbarrett1967 0:606b230e5b4a 1015
peterbarrett1967 0:606b230e5b4a 1016 int GetString(int device, int index, char* dst, int length)
peterbarrett1967 0:606b230e5b4a 1017 {
peterbarrett1967 0:606b230e5b4a 1018 u8 buffer[255];
peterbarrett1967 0:606b230e5b4a 1019 int le = GetDescriptor(device,DESCRIPTOR_TYPE_STRING,index,buffer,sizeof(buffer));
peterbarrett1967 0:606b230e5b4a 1020 if (le < 0)
yueee_yt 3:528f73ce625e 1021 return le;
yueee_yt 3:528f73ce625e 1022 if (length < 1)
yueee_yt 3:528f73ce625e 1023 return -1;
yueee_yt 3:528f73ce625e 1024 length <<= 1;
yueee_yt 3:528f73ce625e 1025 if (le > length)
yueee_yt 3:528f73ce625e 1026 le = length;
peterbarrett1967 0:606b230e5b4a 1027 for (int j = 2; j < le; j += 2)
peterbarrett1967 0:606b230e5b4a 1028 *dst++ = buffer[j];
peterbarrett1967 0:606b230e5b4a 1029 *dst = 0;
yueee_yt 3:528f73ce625e 1030 return (le>>1)-1;
peterbarrett1967 0:606b230e5b4a 1031 }
peterbarrett1967 0:606b230e5b4a 1032
peterbarrett1967 0:606b230e5b4a 1033 int SetAddress(int device, int new_addr)
peterbarrett1967 0:606b230e5b4a 1034 {
yueee_yt 3:528f73ce625e 1035 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_ADDRESS, new_addr, 0, 0, 0, 0);
peterbarrett1967 0:606b230e5b4a 1036 }
peterbarrett1967 0:606b230e5b4a 1037
peterbarrett1967 0:606b230e5b4a 1038 int SetConfiguration(int device, int configNum)
peterbarrett1967 0:606b230e5b4a 1039 {
yueee_yt 3:528f73ce625e 1040 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_DEVICE, SET_CONFIGURATION, configNum, 0, 0, 0, 0);
peterbarrett1967 0:606b230e5b4a 1041 }
peterbarrett1967 0:606b230e5b4a 1042
peterbarrett1967 0:606b230e5b4a 1043 int SetInterface(int device, int ifNum, int altNum)
peterbarrett1967 0:606b230e5b4a 1044 {
yueee_yt 3:528f73ce625e 1045 return USBControlTransfer(device,HOST_TO_DEVICE | RECIPIENT_INTERFACE, SET_INTERFACE, altNum, ifNum, 0, 0, 0);
peterbarrett1967 0:606b230e5b4a 1046 }
peterbarrett1967 0:606b230e5b4a 1047
yueee_yt 3:528f73ce625e 1048 // HUB stuff
peterbarrett1967 0:606b230e5b4a 1049 int SetPortFeature(int device, int feature, int index)
peterbarrett1967 0:606b230e5b4a 1050 {
peterbarrett1967 0:606b230e5b4a 1051 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,SET_FEATURE,feature,index,0,0);
peterbarrett1967 0:606b230e5b4a 1052 }
peterbarrett1967 0:606b230e5b4a 1053
peterbarrett1967 0:606b230e5b4a 1054 int ClearPortFeature(int device, int feature, int index)
peterbarrett1967 0:606b230e5b4a 1055 {
peterbarrett1967 0:606b230e5b4a 1056 return USBControlTransfer(device,HOST_TO_DEVICE | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,CLEAR_FEATURE,feature,index,0,0);
peterbarrett1967 0:606b230e5b4a 1057 }
peterbarrett1967 0:606b230e5b4a 1058
peterbarrett1967 0:606b230e5b4a 1059 int SetPortPower(int device, int port)
peterbarrett1967 0:606b230e5b4a 1060 {
peterbarrett1967 0:606b230e5b4a 1061 int r = SetPortFeature(device,PORT_POWER,port);
yueee_yt 3:528f73ce625e 1062 _controller.DelayMS(20); // 80ms to turn on a hubs power... DESCRIPTOR? todo
peterbarrett1967 0:606b230e5b4a 1063 return r;
peterbarrett1967 0:606b230e5b4a 1064 }
peterbarrett1967 0:606b230e5b4a 1065
peterbarrett1967 0:606b230e5b4a 1066 int SetPortReset(int device, int port)
peterbarrett1967 0:606b230e5b4a 1067 {
peterbarrett1967 0:606b230e5b4a 1068 return SetPortFeature(device,PORT_RESET,port);
peterbarrett1967 0:606b230e5b4a 1069 }
peterbarrett1967 0:606b230e5b4a 1070
peterbarrett1967 0:606b230e5b4a 1071 int GetPortStatus(int device, int port, u32* status)
peterbarrett1967 0:606b230e5b4a 1072 {
peterbarrett1967 0:606b230e5b4a 1073 return USBControlTransfer(device,DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,GET_STATUS,0,port,(u8*)status,4);
peterbarrett1967 0:606b230e5b4a 1074 }