NetTribute library with debug turned on in FShandler Donatien Garner -> Segundo Equipo -> this version

Committer:
hexley
Date:
Fri Nov 19 01:54:45 2010 +0000
Revision:
0:281d6ff68967

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hexley 0:281d6ff68967 1
hexley 0:281d6ff68967 2 /*
hexley 0:281d6ff68967 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
hexley 0:281d6ff68967 4
hexley 0:281d6ff68967 5 Permission is hereby granted, free of charge, to any person obtaining a copy
hexley 0:281d6ff68967 6 of this software and associated documentation files (the "Software"), to deal
hexley 0:281d6ff68967 7 in the Software without restriction, including without limitation the rights
hexley 0:281d6ff68967 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hexley 0:281d6ff68967 9 copies of the Software, and to permit persons to whom the Software is
hexley 0:281d6ff68967 10 furnished to do so, subject to the following conditions:
hexley 0:281d6ff68967 11
hexley 0:281d6ff68967 12 The above copyright notice and this permission notice shall be included in
hexley 0:281d6ff68967 13 all copies or substantial portions of the Software.
hexley 0:281d6ff68967 14
hexley 0:281d6ff68967 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hexley 0:281d6ff68967 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hexley 0:281d6ff68967 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hexley 0:281d6ff68967 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hexley 0:281d6ff68967 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hexley 0:281d6ff68967 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hexley 0:281d6ff68967 21 THE SOFTWARE.
hexley 0:281d6ff68967 22 */
hexley 0:281d6ff68967 23
hexley 0:281d6ff68967 24 #include "rpc.h"
hexley 0:281d6ff68967 25
hexley 0:281d6ff68967 26 #include "UsbSerial.h"
hexley 0:281d6ff68967 27
hexley 0:281d6ff68967 28 //#define __DEBUG
hexley 0:281d6ff68967 29 #include "dbg/dbg.h"
hexley 0:281d6ff68967 30
hexley 0:281d6ff68967 31 #include "netCfg.h"
hexley 0:281d6ff68967 32 #if NET_USB_SERIAL
hexley 0:281d6ff68967 33
hexley 0:281d6ff68967 34 namespace mbed {
hexley 0:281d6ff68967 35
hexley 0:281d6ff68967 36 #define BUF_LEN 64
hexley 0:281d6ff68967 37 #define FLUSH_TMOUT 100000 //US
hexley 0:281d6ff68967 38
hexley 0:281d6ff68967 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),
hexley 0:281d6ff68967 40 m_pInCbItem(NULL), m_pInCbMeth(NULL), m_pOutCbItem(NULL), m_pOutCbMeth(NULL)
hexley 0:281d6ff68967 41 {
hexley 0:281d6ff68967 42 m_inBufEven = new char[BUF_LEN];
hexley 0:281d6ff68967 43 m_inBufOdd = new char[BUF_LEN];
hexley 0:281d6ff68967 44 m_pInBufPos = m_inBufUsr = m_inBufEven;
hexley 0:281d6ff68967 45 m_inBufTrmt = m_inBufOdd;
hexley 0:281d6ff68967 46
hexley 0:281d6ff68967 47 m_outBufEven = new char[BUF_LEN];
hexley 0:281d6ff68967 48 m_outBufOdd = new char[BUF_LEN];
hexley 0:281d6ff68967 49 m_pOutBufPos = m_outBufUsr = m_outBufEven;
hexley 0:281d6ff68967 50 m_outBufTrmt = m_outBufOdd;
hexley 0:281d6ff68967 51
hexley 0:281d6ff68967 52 m_inBufLen = m_outBufLen = 0;
hexley 0:281d6ff68967 53
hexley 0:281d6ff68967 54 DBG("Starting RX'ing on in ep\n");
hexley 0:281d6ff68967 55
hexley 0:281d6ff68967 56 m_timeout = false;
hexley 0:281d6ff68967 57
hexley 0:281d6ff68967 58 m_epIn.setOnCompletion(this, &UsbSerial::onEpInTransfer);
hexley 0:281d6ff68967 59 m_epOut.setOnCompletion(this, &UsbSerial::onEpOutTransfer);
hexley 0:281d6ff68967 60
hexley 0:281d6ff68967 61 startRx();
hexley 0:281d6ff68967 62 }
hexley 0:281d6ff68967 63
hexley 0:281d6ff68967 64 UsbSerial::~UsbSerial()
hexley 0:281d6ff68967 65 {
hexley 0:281d6ff68967 66 delete[] m_inBufEven;
hexley 0:281d6ff68967 67 delete[] m_inBufOdd;
hexley 0:281d6ff68967 68 delete[] m_outBufEven;
hexley 0:281d6ff68967 69 delete[] m_outBufOdd;
hexley 0:281d6ff68967 70 }
hexley 0:281d6ff68967 71
hexley 0:281d6ff68967 72 void UsbSerial::baud(int baudrate) {
hexley 0:281d6ff68967 73 //
hexley 0:281d6ff68967 74 }
hexley 0:281d6ff68967 75
hexley 0:281d6ff68967 76 void UsbSerial::format(int bits, int parity, int stop) {
hexley 0:281d6ff68967 77 //
hexley 0:281d6ff68967 78 }
hexley 0:281d6ff68967 79
hexley 0:281d6ff68967 80 #if 0 //For doc only
hexley 0:281d6ff68967 81 template <class T>
hexley 0:281d6ff68967 82 void attach(T* pCbItem, void (T::*pCbMeth)())
hexley 0:281d6ff68967 83 {
hexley 0:281d6ff68967 84 m_pCbItem = (CDummy*) pCbItem;
hexley 0:281d6ff68967 85 m_pCbMeth = (void (CDummy::*)()) pCbMeth;
hexley 0:281d6ff68967 86 }
hexley 0:281d6ff68967 87 #endif
hexley 0:281d6ff68967 88
hexley 0:281d6ff68967 89 int UsbSerial::_getc() {
hexley 0:281d6ff68967 90 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
hexley 0:281d6ff68967 91 NVIC_DisableIRQ(USB_IRQn);
hexley 0:281d6ff68967 92 char c;
hexley 0:281d6ff68967 93 c = *m_pInBufPos;
hexley 0:281d6ff68967 94 m_pInBufPos++;
hexley 0:281d6ff68967 95 NVIC_EnableIRQ(USB_IRQn);
hexley 0:281d6ff68967 96 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
hexley 0:281d6ff68967 97 return c;
hexley 0:281d6ff68967 98 }
hexley 0:281d6ff68967 99
hexley 0:281d6ff68967 100 int UsbSerial::_putc(int c) {
hexley 0:281d6ff68967 101 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
hexley 0:281d6ff68967 102 NVIC_DisableIRQ(USB_IRQn);
hexley 0:281d6ff68967 103 if( (m_pOutBufPos - m_outBufUsr) < BUF_LEN )
hexley 0:281d6ff68967 104 {
hexley 0:281d6ff68967 105 *m_pOutBufPos = (char) c;
hexley 0:281d6ff68967 106 m_pOutBufPos++;
hexley 0:281d6ff68967 107 }
hexley 0:281d6ff68967 108 else
hexley 0:281d6ff68967 109 {
hexley 0:281d6ff68967 110 DBG("NO WAY!!!\n");
hexley 0:281d6ff68967 111 }
hexley 0:281d6ff68967 112 #if 1
hexley 0:281d6ff68967 113 if( (m_pOutBufPos - m_outBufUsr) >= BUF_LEN ) //Must flush
hexley 0:281d6ff68967 114 {
hexley 0:281d6ff68967 115 if(m_timeout)
hexley 0:281d6ff68967 116 m_txTimeout.detach();
hexley 0:281d6ff68967 117 startTx();
hexley 0:281d6ff68967 118 }
hexley 0:281d6ff68967 119 else
hexley 0:281d6ff68967 120 {
hexley 0:281d6ff68967 121 /*if(m_timeout)
hexley 0:281d6ff68967 122 m_txTimeout.detach();
hexley 0:281d6ff68967 123 m_timeout = true;
hexley 0:281d6ff68967 124 m_txTimeout.attach_us(this, &UsbSerial::startTx, FLUSH_TMOUT);*/
hexley 0:281d6ff68967 125 if(!m_timeout)
hexley 0:281d6ff68967 126 {
hexley 0:281d6ff68967 127 m_timeout = true;
hexley 0:281d6ff68967 128 m_txTimeout.attach_us(this, &UsbSerial::startTx, FLUSH_TMOUT);
hexley 0:281d6ff68967 129 }
hexley 0:281d6ff68967 130 }
hexley 0:281d6ff68967 131 #endif
hexley 0:281d6ff68967 132 //startTx();
hexley 0:281d6ff68967 133 NVIC_EnableIRQ(USB_IRQn);
hexley 0:281d6ff68967 134 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
hexley 0:281d6ff68967 135 return c;
hexley 0:281d6ff68967 136 }
hexley 0:281d6ff68967 137
hexley 0:281d6ff68967 138 int UsbSerial::readable() {
hexley 0:281d6ff68967 139 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
hexley 0:281d6ff68967 140 NVIC_DisableIRQ(USB_IRQn);
hexley 0:281d6ff68967 141 int res;
hexley 0:281d6ff68967 142 if( (m_pInBufPos - m_inBufUsr) < m_inBufLen )
hexley 0:281d6ff68967 143 {
hexley 0:281d6ff68967 144 //DBG("\r\nREADABLE\r\n");
hexley 0:281d6ff68967 145 res = true;
hexley 0:281d6ff68967 146 }
hexley 0:281d6ff68967 147 else
hexley 0:281d6ff68967 148 {
hexley 0:281d6ff68967 149 //DBG("\r\nNOT READABLE\r\n");
hexley 0:281d6ff68967 150 startRx(); //Try to swap packets & start another transmission
hexley 0:281d6ff68967 151 res = ((m_pInBufPos - m_inBufUsr) < m_inBufLen )?true:false;
hexley 0:281d6ff68967 152 }
hexley 0:281d6ff68967 153 NVIC_EnableIRQ(USB_IRQn);
hexley 0:281d6ff68967 154 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
hexley 0:281d6ff68967 155 return (bool)res;
hexley 0:281d6ff68967 156 }
hexley 0:281d6ff68967 157
hexley 0:281d6ff68967 158 int UsbSerial::writeable() {
hexley 0:281d6ff68967 159 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
hexley 0:281d6ff68967 160 NVIC_DisableIRQ(USB_IRQn);
hexley 0:281d6ff68967 161 // DBG("\r\nWRITEABLE???\r\n");
hexley 0:281d6ff68967 162 int res = (bool)( (m_pOutBufPos - m_outBufUsr) < BUF_LEN);
hexley 0:281d6ff68967 163 NVIC_EnableIRQ(USB_IRQn);
hexley 0:281d6ff68967 164 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
hexley 0:281d6ff68967 165 return res;
hexley 0:281d6ff68967 166 }
hexley 0:281d6ff68967 167
hexley 0:281d6ff68967 168 void UsbSerial::onReadable()
hexley 0:281d6ff68967 169 {
hexley 0:281d6ff68967 170 if(m_pInCbItem && m_pInCbMeth)
hexley 0:281d6ff68967 171 (m_pInCbItem->*m_pInCbMeth)();
hexley 0:281d6ff68967 172 }
hexley 0:281d6ff68967 173
hexley 0:281d6ff68967 174 void UsbSerial::onWriteable()
hexley 0:281d6ff68967 175 {
hexley 0:281d6ff68967 176 if(m_pOutCbItem && m_pOutCbMeth)
hexley 0:281d6ff68967 177 (m_pOutCbItem->*m_pOutCbMeth)();
hexley 0:281d6ff68967 178 }
hexley 0:281d6ff68967 179
hexley 0:281d6ff68967 180 void UsbSerial::onEpInTransfer()
hexley 0:281d6ff68967 181 {
hexley 0:281d6ff68967 182 int len = m_epIn.status();
hexley 0:281d6ff68967 183 DBG("RX transfer completed w len=%d\n",len);
hexley 0:281d6ff68967 184 startRx();
hexley 0:281d6ff68967 185 if(len > 0)
hexley 0:281d6ff68967 186 onReadable();
hexley 0:281d6ff68967 187 }
hexley 0:281d6ff68967 188
hexley 0:281d6ff68967 189 void UsbSerial::onEpOutTransfer()
hexley 0:281d6ff68967 190 {
hexley 0:281d6ff68967 191 int len = m_epOut.status();
hexley 0:281d6ff68967 192 DBG("TX transfer completed w len=%d\n",len);
hexley 0:281d6ff68967 193 if(m_timeout)
hexley 0:281d6ff68967 194 m_txTimeout.detach();
hexley 0:281d6ff68967 195 startTx();
hexley 0:281d6ff68967 196 if(len > 0)
hexley 0:281d6ff68967 197 onWriteable();
hexley 0:281d6ff68967 198 }
hexley 0:281d6ff68967 199
hexley 0:281d6ff68967 200 void UsbSerial::startTx()
hexley 0:281d6ff68967 201 {
hexley 0:281d6ff68967 202
hexley 0:281d6ff68967 203 DBG("Transfer>\n");
hexley 0:281d6ff68967 204
hexley 0:281d6ff68967 205 m_timeout = false;
hexley 0:281d6ff68967 206
hexley 0:281d6ff68967 207 // m_txTimeout.detach();
hexley 0:281d6ff68967 208
hexley 0:281d6ff68967 209 if(!(m_pOutBufPos - m_outBufUsr))
hexley 0:281d6ff68967 210 {
hexley 0:281d6ff68967 211 DBG("?!?!?\n");
hexley 0:281d6ff68967 212 return;
hexley 0:281d6ff68967 213 }
hexley 0:281d6ff68967 214
hexley 0:281d6ff68967 215 if( m_epOut.status() == USBERR_PROCESSING )
hexley 0:281d6ff68967 216 {
hexley 0:281d6ff68967 217 //Wait & retry
hexley 0:281d6ff68967 218 //m_timeout = true;
hexley 0:281d6ff68967 219 //m_txTimeout.attach_us(this, &UsbSerial::startTx, FLUSH_TMOUT);
hexley 0:281d6ff68967 220 DBG("Ep is busy...\n");
hexley 0:281d6ff68967 221 return;
hexley 0:281d6ff68967 222 }
hexley 0:281d6ff68967 223
hexley 0:281d6ff68967 224 if( m_epOut.status() < 0 )
hexley 0:281d6ff68967 225 {
hexley 0:281d6ff68967 226 DBG("Tx trying again...\n");
hexley 0:281d6ff68967 227 m_epOut.transfer((volatile uint8_t*)m_outBufTrmt, m_outBufLen);
hexley 0:281d6ff68967 228 return;
hexley 0:281d6ff68967 229 }
hexley 0:281d6ff68967 230
hexley 0:281d6ff68967 231 m_outBufLen = m_pOutBufPos - m_outBufUsr;
hexley 0:281d6ff68967 232
hexley 0:281d6ff68967 233 //Swap buffers
hexley 0:281d6ff68967 234 volatile char* swapBuf = m_outBufUsr;
hexley 0:281d6ff68967 235 m_outBufUsr = m_outBufTrmt;
hexley 0:281d6ff68967 236 m_outBufTrmt = swapBuf;
hexley 0:281d6ff68967 237
hexley 0:281d6ff68967 238 m_epOut.transfer((volatile uint8_t*)m_outBufTrmt, m_outBufLen);
hexley 0:281d6ff68967 239
hexley 0:281d6ff68967 240 m_pOutBufPos = m_outBufUsr;
hexley 0:281d6ff68967 241
hexley 0:281d6ff68967 242 }
hexley 0:281d6ff68967 243
hexley 0:281d6ff68967 244 void UsbSerial::startRx()
hexley 0:281d6ff68967 245 {
hexley 0:281d6ff68967 246 if( (m_pInBufPos - m_inBufUsr) < m_inBufLen )
hexley 0:281d6ff68967 247 {
hexley 0:281d6ff68967 248 //User buf is not empty, cannot swap now...
hexley 0:281d6ff68967 249 return;
hexley 0:281d6ff68967 250 }
hexley 0:281d6ff68967 251 int len = m_epIn.status();
hexley 0:281d6ff68967 252 if( len == USBERR_PROCESSING )
hexley 0:281d6ff68967 253 {
hexley 0:281d6ff68967 254 //Previous transmission not completed
hexley 0:281d6ff68967 255 return;
hexley 0:281d6ff68967 256 }
hexley 0:281d6ff68967 257 if( len < 0 )
hexley 0:281d6ff68967 258 {
hexley 0:281d6ff68967 259 DBG("Rx trying again...\n");
hexley 0:281d6ff68967 260 m_epIn.transfer((volatile uint8_t*)m_inBufTrmt, BUF_LEN); //Start another transmission
hexley 0:281d6ff68967 261 return;
hexley 0:281d6ff68967 262 }
hexley 0:281d6ff68967 263
hexley 0:281d6ff68967 264 m_inBufLen = len;
hexley 0:281d6ff68967 265
hexley 0:281d6ff68967 266 //Swap buffers
hexley 0:281d6ff68967 267 volatile char* swapBuf = m_inBufUsr;
hexley 0:281d6ff68967 268 m_inBufUsr = m_inBufTrmt;
hexley 0:281d6ff68967 269 m_inBufTrmt = swapBuf;
hexley 0:281d6ff68967 270 m_pInBufPos = m_inBufUsr;
hexley 0:281d6ff68967 271
hexley 0:281d6ff68967 272 DBG("Starting new transfer\n");
hexley 0:281d6ff68967 273 m_epIn.transfer((volatile uint8_t*)m_inBufTrmt, BUF_LEN); //Start another transmission
hexley 0:281d6ff68967 274
hexley 0:281d6ff68967 275 }
hexley 0:281d6ff68967 276
hexley 0:281d6ff68967 277 #ifdef MBED_RPC
hexley 0:281d6ff68967 278 const struct rpc_method *UsbSerial::get_rpc_methods() {
hexley 0:281d6ff68967 279 static const rpc_method methods[] = {
hexley 0:281d6ff68967 280 { "readable", rpc_method_caller<int, UsbSerial, &UsbSerial::readable> },
hexley 0:281d6ff68967 281 { "writeable", rpc_method_caller<int, UsbSerial, &UsbSerial::writeable> },
hexley 0:281d6ff68967 282 RPC_METHOD_SUPER(Stream)
hexley 0:281d6ff68967 283 };
hexley 0:281d6ff68967 284 return methods;
hexley 0:281d6ff68967 285 }
hexley 0:281d6ff68967 286
hexley 0:281d6ff68967 287 struct rpc_class *UsbSerial::get_rpc_class() {
hexley 0:281d6ff68967 288 static const rpc_function funcs[] = {
hexley 0:281d6ff68967 289 /*{ "new", rpc_function_caller<const char*, UsbDevice*, int, int, const char*, Base::construct<UsbSerial,UsbDevice*,int,int,const char*> > },*/ //RPC is buggy
hexley 0:281d6ff68967 290 RPC_METHOD_END
hexley 0:281d6ff68967 291 };
hexley 0:281d6ff68967 292 static rpc_class c = { "UsbSerial", funcs, NULL };
hexley 0:281d6ff68967 293 return &c;
hexley 0:281d6ff68967 294 }
hexley 0:281d6ff68967 295 #endif
hexley 0:281d6ff68967 296
hexley 0:281d6ff68967 297 } // namespace mbed
hexley 0:281d6ff68967 298
hexley 0:281d6ff68967 299 #endif
hexley 0:281d6ff68967 300