This library is stripped down version of NetServices library. HTTP server and client function is NOT supported.

Dependents:   imu-daq-eth

Committer:
idinor
Date:
Wed Jul 20 11:45:39 2011 +0000
Revision:
0:dcf3c92487ca

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
idinor 0:dcf3c92487ca 1
idinor 0:dcf3c92487ca 2 /*
idinor 0:dcf3c92487ca 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
idinor 0:dcf3c92487ca 4
idinor 0:dcf3c92487ca 5 Permission is hereby granted, free of charge, to any person obtaining a copy
idinor 0:dcf3c92487ca 6 of this software and associated documentation files (the "Software"), to deal
idinor 0:dcf3c92487ca 7 in the Software without restriction, including without limitation the rights
idinor 0:dcf3c92487ca 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
idinor 0:dcf3c92487ca 9 copies of the Software, and to permit persons to whom the Software is
idinor 0:dcf3c92487ca 10 furnished to do so, subject to the following conditions:
idinor 0:dcf3c92487ca 11
idinor 0:dcf3c92487ca 12 The above copyright notice and this permission notice shall be included in
idinor 0:dcf3c92487ca 13 all copies or substantial portions of the Software.
idinor 0:dcf3c92487ca 14
idinor 0:dcf3c92487ca 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
idinor 0:dcf3c92487ca 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
idinor 0:dcf3c92487ca 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
idinor 0:dcf3c92487ca 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
idinor 0:dcf3c92487ca 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
idinor 0:dcf3c92487ca 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
idinor 0:dcf3c92487ca 21 THE SOFTWARE.
idinor 0:dcf3c92487ca 22 */
idinor 0:dcf3c92487ca 23
idinor 0:dcf3c92487ca 24 #include "rpc.h"
idinor 0:dcf3c92487ca 25
idinor 0:dcf3c92487ca 26 #include "UsbSerial.h"
idinor 0:dcf3c92487ca 27
idinor 0:dcf3c92487ca 28 //#define __DEBUG
idinor 0:dcf3c92487ca 29 #include "dbg/dbg.h"
idinor 0:dcf3c92487ca 30
idinor 0:dcf3c92487ca 31 #include "netCfg.h"
idinor 0:dcf3c92487ca 32 #if NET_USB_SERIAL
idinor 0:dcf3c92487ca 33
idinor 0:dcf3c92487ca 34 namespace mbed {
idinor 0:dcf3c92487ca 35
idinor 0:dcf3c92487ca 36 #define BUF_LEN 64
idinor 0:dcf3c92487ca 37 #define FLUSH_TMOUT 100000 //US
idinor 0:dcf3c92487ca 38
idinor 0:dcf3c92487ca 39 UsbSerial::UsbSerial(UsbDevice* pDevice, int epIn, int epOut, const char* name /*= NULL*/) : Stream(name), m_epIn(pDevice, epIn, true, USB_BULK, BUF_LEN), m_epOut(pDevice, epOut, false, USB_BULK, BUF_LEN),
idinor 0:dcf3c92487ca 40 m_pInCbItem(NULL), m_pInCbMeth(NULL), m_pOutCbItem(NULL), m_pOutCbMeth(NULL)
idinor 0:dcf3c92487ca 41 {
idinor 0:dcf3c92487ca 42 m_inBufEven = new char[BUF_LEN];
idinor 0:dcf3c92487ca 43 m_inBufOdd = new char[BUF_LEN];
idinor 0:dcf3c92487ca 44 m_pInBufPos = m_inBufUsr = m_inBufEven;
idinor 0:dcf3c92487ca 45 m_inBufTrmt = m_inBufOdd;
idinor 0:dcf3c92487ca 46
idinor 0:dcf3c92487ca 47 m_outBufEven = new char[BUF_LEN];
idinor 0:dcf3c92487ca 48 m_outBufOdd = new char[BUF_LEN];
idinor 0:dcf3c92487ca 49 m_pOutBufPos = m_outBufUsr = m_outBufEven;
idinor 0:dcf3c92487ca 50 m_outBufTrmt = m_outBufOdd;
idinor 0:dcf3c92487ca 51
idinor 0:dcf3c92487ca 52 m_inBufLen = m_outBufLen = 0;
idinor 0:dcf3c92487ca 53
idinor 0:dcf3c92487ca 54 DBG("Starting RX'ing on in ep\n");
idinor 0:dcf3c92487ca 55
idinor 0:dcf3c92487ca 56 m_timeout = false;
idinor 0:dcf3c92487ca 57
idinor 0:dcf3c92487ca 58 m_epIn.setOnCompletion(this, &UsbSerial::onEpInTransfer);
idinor 0:dcf3c92487ca 59 m_epOut.setOnCompletion(this, &UsbSerial::onEpOutTransfer);
idinor 0:dcf3c92487ca 60
idinor 0:dcf3c92487ca 61 startRx();
idinor 0:dcf3c92487ca 62 }
idinor 0:dcf3c92487ca 63
idinor 0:dcf3c92487ca 64 UsbSerial::~UsbSerial()
idinor 0:dcf3c92487ca 65 {
idinor 0:dcf3c92487ca 66 delete[] m_inBufEven;
idinor 0:dcf3c92487ca 67 delete[] m_inBufOdd;
idinor 0:dcf3c92487ca 68 delete[] m_outBufEven;
idinor 0:dcf3c92487ca 69 delete[] m_outBufOdd;
idinor 0:dcf3c92487ca 70 }
idinor 0:dcf3c92487ca 71
idinor 0:dcf3c92487ca 72 void UsbSerial::baud(int baudrate) {
idinor 0:dcf3c92487ca 73 //
idinor 0:dcf3c92487ca 74 }
idinor 0:dcf3c92487ca 75
idinor 0:dcf3c92487ca 76 void UsbSerial::format(int bits, int parity, int stop) {
idinor 0:dcf3c92487ca 77 //
idinor 0:dcf3c92487ca 78 }
idinor 0:dcf3c92487ca 79
idinor 0:dcf3c92487ca 80 #if 0 //For doc only
idinor 0:dcf3c92487ca 81 template <class T>
idinor 0:dcf3c92487ca 82 void attach(T* pCbItem, void (T::*pCbMeth)())
idinor 0:dcf3c92487ca 83 {
idinor 0:dcf3c92487ca 84 m_pCbItem = (CDummy*) pCbItem;
idinor 0:dcf3c92487ca 85 m_pCbMeth = (void (CDummy::*)()) pCbMeth;
idinor 0:dcf3c92487ca 86 }
idinor 0:dcf3c92487ca 87 #endif
idinor 0:dcf3c92487ca 88
idinor 0:dcf3c92487ca 89 int UsbSerial::_getc() {
idinor 0:dcf3c92487ca 90 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
idinor 0:dcf3c92487ca 91 NVIC_DisableIRQ(USB_IRQn);
idinor 0:dcf3c92487ca 92 char c;
idinor 0:dcf3c92487ca 93 c = *m_pInBufPos;
idinor 0:dcf3c92487ca 94 m_pInBufPos++;
idinor 0:dcf3c92487ca 95 NVIC_EnableIRQ(USB_IRQn);
idinor 0:dcf3c92487ca 96 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
idinor 0:dcf3c92487ca 97 return c;
idinor 0:dcf3c92487ca 98 }
idinor 0:dcf3c92487ca 99
idinor 0:dcf3c92487ca 100 int UsbSerial::_putc(int c) {
idinor 0:dcf3c92487ca 101 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
idinor 0:dcf3c92487ca 102 NVIC_DisableIRQ(USB_IRQn);
idinor 0:dcf3c92487ca 103 if( (m_pOutBufPos - m_outBufUsr) < BUF_LEN )
idinor 0:dcf3c92487ca 104 {
idinor 0:dcf3c92487ca 105 *m_pOutBufPos = (char) c;
idinor 0:dcf3c92487ca 106 m_pOutBufPos++;
idinor 0:dcf3c92487ca 107 }
idinor 0:dcf3c92487ca 108 else
idinor 0:dcf3c92487ca 109 {
idinor 0:dcf3c92487ca 110 DBG("NO WAY!!!\n");
idinor 0:dcf3c92487ca 111 }
idinor 0:dcf3c92487ca 112 #if 1
idinor 0:dcf3c92487ca 113 if( (m_pOutBufPos - m_outBufUsr) >= BUF_LEN ) //Must flush
idinor 0:dcf3c92487ca 114 {
idinor 0:dcf3c92487ca 115 if(m_timeout)
idinor 0:dcf3c92487ca 116 m_txTimeout.detach();
idinor 0:dcf3c92487ca 117 startTx();
idinor 0:dcf3c92487ca 118 }
idinor 0:dcf3c92487ca 119 else
idinor 0:dcf3c92487ca 120 {
idinor 0:dcf3c92487ca 121 /*if(m_timeout)
idinor 0:dcf3c92487ca 122 m_txTimeout.detach();
idinor 0:dcf3c92487ca 123 m_timeout = true;
idinor 0:dcf3c92487ca 124 m_txTimeout.attach_us(this, &UsbSerial::startTx, FLUSH_TMOUT);*/
idinor 0:dcf3c92487ca 125 if(!m_timeout)
idinor 0:dcf3c92487ca 126 {
idinor 0:dcf3c92487ca 127 m_timeout = true;
idinor 0:dcf3c92487ca 128 m_txTimeout.attach_us(this, &UsbSerial::startTx, FLUSH_TMOUT);
idinor 0:dcf3c92487ca 129 }
idinor 0:dcf3c92487ca 130 }
idinor 0:dcf3c92487ca 131 #endif
idinor 0:dcf3c92487ca 132 //startTx();
idinor 0:dcf3c92487ca 133 NVIC_EnableIRQ(USB_IRQn);
idinor 0:dcf3c92487ca 134 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
idinor 0:dcf3c92487ca 135 return c;
idinor 0:dcf3c92487ca 136 }
idinor 0:dcf3c92487ca 137
idinor 0:dcf3c92487ca 138 int UsbSerial::readable() {
idinor 0:dcf3c92487ca 139 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
idinor 0:dcf3c92487ca 140 NVIC_DisableIRQ(USB_IRQn);
idinor 0:dcf3c92487ca 141 int res;
idinor 0:dcf3c92487ca 142 if( (m_pInBufPos - m_inBufUsr) < m_inBufLen )
idinor 0:dcf3c92487ca 143 {
idinor 0:dcf3c92487ca 144 //DBG("\r\nREADABLE\r\n");
idinor 0:dcf3c92487ca 145 res = true;
idinor 0:dcf3c92487ca 146 }
idinor 0:dcf3c92487ca 147 else
idinor 0:dcf3c92487ca 148 {
idinor 0:dcf3c92487ca 149 //DBG("\r\nNOT READABLE\r\n");
idinor 0:dcf3c92487ca 150 startRx(); //Try to swap packets & start another transmission
idinor 0:dcf3c92487ca 151 res = ((m_pInBufPos - m_inBufUsr) < m_inBufLen )?true:false;
idinor 0:dcf3c92487ca 152 }
idinor 0:dcf3c92487ca 153 NVIC_EnableIRQ(USB_IRQn);
idinor 0:dcf3c92487ca 154 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
idinor 0:dcf3c92487ca 155 return (bool)res;
idinor 0:dcf3c92487ca 156 }
idinor 0:dcf3c92487ca 157
idinor 0:dcf3c92487ca 158 int UsbSerial::writeable() {
idinor 0:dcf3c92487ca 159 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
idinor 0:dcf3c92487ca 160 NVIC_DisableIRQ(USB_IRQn);
idinor 0:dcf3c92487ca 161 // DBG("\r\nWRITEABLE???\r\n");
idinor 0:dcf3c92487ca 162 int res = (bool)( (m_pOutBufPos - m_outBufUsr) < BUF_LEN);
idinor 0:dcf3c92487ca 163 NVIC_EnableIRQ(USB_IRQn);
idinor 0:dcf3c92487ca 164 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
idinor 0:dcf3c92487ca 165 return res;
idinor 0:dcf3c92487ca 166 }
idinor 0:dcf3c92487ca 167
idinor 0:dcf3c92487ca 168 void UsbSerial::onReadable()
idinor 0:dcf3c92487ca 169 {
idinor 0:dcf3c92487ca 170 if(m_pInCbItem && m_pInCbMeth)
idinor 0:dcf3c92487ca 171 (m_pInCbItem->*m_pInCbMeth)();
idinor 0:dcf3c92487ca 172 }
idinor 0:dcf3c92487ca 173
idinor 0:dcf3c92487ca 174 void UsbSerial::onWriteable()
idinor 0:dcf3c92487ca 175 {
idinor 0:dcf3c92487ca 176 if(m_pOutCbItem && m_pOutCbMeth)
idinor 0:dcf3c92487ca 177 (m_pOutCbItem->*m_pOutCbMeth)();
idinor 0:dcf3c92487ca 178 }
idinor 0:dcf3c92487ca 179
idinor 0:dcf3c92487ca 180 void UsbSerial::onEpInTransfer()
idinor 0:dcf3c92487ca 181 {
idinor 0:dcf3c92487ca 182 int len = m_epIn.status();
idinor 0:dcf3c92487ca 183 DBG("RX transfer completed w len=%d\n",len);
idinor 0:dcf3c92487ca 184 startRx();
idinor 0:dcf3c92487ca 185 if(len > 0)
idinor 0:dcf3c92487ca 186 onReadable();
idinor 0:dcf3c92487ca 187 }
idinor 0:dcf3c92487ca 188
idinor 0:dcf3c92487ca 189 void UsbSerial::onEpOutTransfer()
idinor 0:dcf3c92487ca 190 {
idinor 0:dcf3c92487ca 191 int len = m_epOut.status();
idinor 0:dcf3c92487ca 192 DBG("TX transfer completed w len=%d\n",len);
idinor 0:dcf3c92487ca 193 if(m_timeout)
idinor 0:dcf3c92487ca 194 m_txTimeout.detach();
idinor 0:dcf3c92487ca 195 startTx();
idinor 0:dcf3c92487ca 196 if(len > 0)
idinor 0:dcf3c92487ca 197 onWriteable();
idinor 0:dcf3c92487ca 198 }
idinor 0:dcf3c92487ca 199
idinor 0:dcf3c92487ca 200 void UsbSerial::startTx()
idinor 0:dcf3c92487ca 201 {
idinor 0:dcf3c92487ca 202
idinor 0:dcf3c92487ca 203 DBG("Transfer>\n");
idinor 0:dcf3c92487ca 204
idinor 0:dcf3c92487ca 205 m_timeout = false;
idinor 0:dcf3c92487ca 206
idinor 0:dcf3c92487ca 207 // m_txTimeout.detach();
idinor 0:dcf3c92487ca 208
idinor 0:dcf3c92487ca 209 if(!(m_pOutBufPos - m_outBufUsr))
idinor 0:dcf3c92487ca 210 {
idinor 0:dcf3c92487ca 211 DBG("?!?!?\n");
idinor 0:dcf3c92487ca 212 return;
idinor 0:dcf3c92487ca 213 }
idinor 0:dcf3c92487ca 214
idinor 0:dcf3c92487ca 215 if( m_epOut.status() == USBERR_PROCESSING )
idinor 0:dcf3c92487ca 216 {
idinor 0:dcf3c92487ca 217 //Wait & retry
idinor 0:dcf3c92487ca 218 //m_timeout = true;
idinor 0:dcf3c92487ca 219 //m_txTimeout.attach_us(this, &UsbSerial::startTx, FLUSH_TMOUT);
idinor 0:dcf3c92487ca 220 DBG("Ep is busy...\n");
idinor 0:dcf3c92487ca 221 return;
idinor 0:dcf3c92487ca 222 }
idinor 0:dcf3c92487ca 223
idinor 0:dcf3c92487ca 224 if( m_epOut.status() < 0 )
idinor 0:dcf3c92487ca 225 {
idinor 0:dcf3c92487ca 226 DBG("Tx trying again...\n");
idinor 0:dcf3c92487ca 227 m_epOut.transfer((volatile uint8_t*)m_outBufTrmt, m_outBufLen);
idinor 0:dcf3c92487ca 228 return;
idinor 0:dcf3c92487ca 229 }
idinor 0:dcf3c92487ca 230
idinor 0:dcf3c92487ca 231 m_outBufLen = m_pOutBufPos - m_outBufUsr;
idinor 0:dcf3c92487ca 232
idinor 0:dcf3c92487ca 233 //Swap buffers
idinor 0:dcf3c92487ca 234 volatile char* swapBuf = m_outBufUsr;
idinor 0:dcf3c92487ca 235 m_outBufUsr = m_outBufTrmt;
idinor 0:dcf3c92487ca 236 m_outBufTrmt = swapBuf;
idinor 0:dcf3c92487ca 237
idinor 0:dcf3c92487ca 238 m_epOut.transfer((volatile uint8_t*)m_outBufTrmt, m_outBufLen);
idinor 0:dcf3c92487ca 239
idinor 0:dcf3c92487ca 240 m_pOutBufPos = m_outBufUsr;
idinor 0:dcf3c92487ca 241
idinor 0:dcf3c92487ca 242 }
idinor 0:dcf3c92487ca 243
idinor 0:dcf3c92487ca 244 void UsbSerial::startRx()
idinor 0:dcf3c92487ca 245 {
idinor 0:dcf3c92487ca 246 if( (m_pInBufPos - m_inBufUsr) < m_inBufLen )
idinor 0:dcf3c92487ca 247 {
idinor 0:dcf3c92487ca 248 //User buf is not empty, cannot swap now...
idinor 0:dcf3c92487ca 249 return;
idinor 0:dcf3c92487ca 250 }
idinor 0:dcf3c92487ca 251 int len = m_epIn.status();
idinor 0:dcf3c92487ca 252 if( len == USBERR_PROCESSING )
idinor 0:dcf3c92487ca 253 {
idinor 0:dcf3c92487ca 254 //Previous transmission not completed
idinor 0:dcf3c92487ca 255 return;
idinor 0:dcf3c92487ca 256 }
idinor 0:dcf3c92487ca 257 if( len < 0 )
idinor 0:dcf3c92487ca 258 {
idinor 0:dcf3c92487ca 259 DBG("Rx trying again...\n");
idinor 0:dcf3c92487ca 260 m_epIn.transfer((volatile uint8_t*)m_inBufTrmt, BUF_LEN); //Start another transmission
idinor 0:dcf3c92487ca 261 return;
idinor 0:dcf3c92487ca 262 }
idinor 0:dcf3c92487ca 263
idinor 0:dcf3c92487ca 264 m_inBufLen = len;
idinor 0:dcf3c92487ca 265
idinor 0:dcf3c92487ca 266 //Swap buffers
idinor 0:dcf3c92487ca 267 volatile char* swapBuf = m_inBufUsr;
idinor 0:dcf3c92487ca 268 m_inBufUsr = m_inBufTrmt;
idinor 0:dcf3c92487ca 269 m_inBufTrmt = swapBuf;
idinor 0:dcf3c92487ca 270 m_pInBufPos = m_inBufUsr;
idinor 0:dcf3c92487ca 271
idinor 0:dcf3c92487ca 272 DBG("Starting new transfer\n");
idinor 0:dcf3c92487ca 273 m_epIn.transfer((volatile uint8_t*)m_inBufTrmt, BUF_LEN); //Start another transmission
idinor 0:dcf3c92487ca 274
idinor 0:dcf3c92487ca 275 }
idinor 0:dcf3c92487ca 276
idinor 0:dcf3c92487ca 277 #ifdef MBED_RPC
idinor 0:dcf3c92487ca 278 const struct rpc_method *UsbSerial::get_rpc_methods() {
idinor 0:dcf3c92487ca 279 static const rpc_method methods[] = {
idinor 0:dcf3c92487ca 280 { "readable", rpc_method_caller<int, UsbSerial, &UsbSerial::readable> },
idinor 0:dcf3c92487ca 281 { "writeable", rpc_method_caller<int, UsbSerial, &UsbSerial::writeable> },
idinor 0:dcf3c92487ca 282 RPC_METHOD_SUPER(Stream)
idinor 0:dcf3c92487ca 283 };
idinor 0:dcf3c92487ca 284 return methods;
idinor 0:dcf3c92487ca 285 }
idinor 0:dcf3c92487ca 286
idinor 0:dcf3c92487ca 287 struct rpc_class *UsbSerial::get_rpc_class() {
idinor 0:dcf3c92487ca 288 static const rpc_function funcs[] = {
idinor 0:dcf3c92487ca 289 /*{ "new", rpc_function_caller<const char*, UsbDevice*, int, int, const char*, Base::construct<UsbSerial,UsbDevice*,int,int,const char*> > },*/ //RPC is buggy
idinor 0:dcf3c92487ca 290 RPC_METHOD_END
idinor 0:dcf3c92487ca 291 };
idinor 0:dcf3c92487ca 292 static rpc_class c = { "UsbSerial", funcs, NULL };
idinor 0:dcf3c92487ca 293 return &c;
idinor 0:dcf3c92487ca 294 }
idinor 0:dcf3c92487ca 295 #endif
idinor 0:dcf3c92487ca 296
idinor 0:dcf3c92487ca 297 } // namespace mbed
idinor 0:dcf3c92487ca 298
idinor 0:dcf3c92487ca 299 #endif
idinor 0:dcf3c92487ca 300