Marco Haufe / RMFWeb

Small Testprogram to have WebAccess via Webserver to a 433Mhz tranmitter to control remotly some devices from remote, with TFTP, NTP and RMF. This could be a base to develop applications.

Dependencies:   ChaNFSSD TFTPServer RMFWeb

Dependents:   RMFWeb

NetServices/drv/serial/usb/UsbSerial.cpp@1:809b59c7a800, 2014-06-16 (annotated)

Committer:
ED7418
Date:
Mon Jun 16 07:40:08 2014 +0000
Revision:
1:809b59c7a800
Parent:
0:51f1ef89ec7b 
mbed-lib and other libs are a based on a project, published in a Elektor-book "ARM-microkontroller Part II".

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ED7418 0:51f1ef89ec7b 1
ED7418 0:51f1ef89ec7b 2 /*
ED7418 0:51f1ef89ec7b 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ED7418 0:51f1ef89ec7b 4
ED7418 0:51f1ef89ec7b 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ED7418 0:51f1ef89ec7b 6 of this software and associated documentation files (the "Software"), to deal
ED7418 0:51f1ef89ec7b 7 in the Software without restriction, including without limitation the rights
ED7418 0:51f1ef89ec7b 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ED7418 0:51f1ef89ec7b 9 copies of the Software, and to permit persons to whom the Software is
ED7418 0:51f1ef89ec7b 10 furnished to do so, subject to the following conditions:
ED7418 0:51f1ef89ec7b 11
ED7418 0:51f1ef89ec7b 12 The above copyright notice and this permission notice shall be included in
ED7418 0:51f1ef89ec7b 13 all copies or substantial portions of the Software.
ED7418 0:51f1ef89ec7b 14
ED7418 0:51f1ef89ec7b 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ED7418 0:51f1ef89ec7b 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ED7418 0:51f1ef89ec7b 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ED7418 0:51f1ef89ec7b 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ED7418 0:51f1ef89ec7b 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ED7418 0:51f1ef89ec7b 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ED7418 0:51f1ef89ec7b 21 THE SOFTWARE.
ED7418 0:51f1ef89ec7b 22 */
ED7418 0:51f1ef89ec7b 23
ED7418 0:51f1ef89ec7b 24 #include "rpc.h"
ED7418 0:51f1ef89ec7b 25
ED7418 0:51f1ef89ec7b 26 #include "UsbSerial.h"
ED7418 0:51f1ef89ec7b 27
ED7418 0:51f1ef89ec7b 28 //#define __DEBUG
ED7418 0:51f1ef89ec7b 29 #include "dbg/dbg.h"
ED7418 0:51f1ef89ec7b 30
ED7418 0:51f1ef89ec7b 31 #include "netCfg.h"
ED7418 0:51f1ef89ec7b 32 #if NET_USB_SERIAL
ED7418 0:51f1ef89ec7b 33
ED7418 0:51f1ef89ec7b 34 namespace mbed {
ED7418 0:51f1ef89ec7b 35
ED7418 0:51f1ef89ec7b 36 #define BUF_LEN 64
ED7418 0:51f1ef89ec7b 37 #define FLUSH_TMOUT 100000 //US
ED7418 0:51f1ef89ec7b 38
ED7418 0:51f1ef89ec7b 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),
ED7418 0:51f1ef89ec7b 40 m_pInCbItem(NULL), m_pInCbMeth(NULL), m_pOutCbItem(NULL), m_pOutCbMeth(NULL)
ED7418 0:51f1ef89ec7b 41 {
ED7418 0:51f1ef89ec7b 42 m_inBufEven = new char[BUF_LEN];
ED7418 0:51f1ef89ec7b 43 m_inBufOdd = new char[BUF_LEN];
ED7418 0:51f1ef89ec7b 44 m_pInBufPos = m_inBufUsr = m_inBufEven;
ED7418 0:51f1ef89ec7b 45 m_inBufTrmt = m_inBufOdd;
ED7418 0:51f1ef89ec7b 46
ED7418 0:51f1ef89ec7b 47 m_outBufEven = new char[BUF_LEN];
ED7418 0:51f1ef89ec7b 48 m_outBufOdd = new char[BUF_LEN];
ED7418 0:51f1ef89ec7b 49 m_pOutBufPos = m_outBufUsr = m_outBufEven;
ED7418 0:51f1ef89ec7b 50 m_outBufTrmt = m_outBufOdd;
ED7418 0:51f1ef89ec7b 51
ED7418 0:51f1ef89ec7b 52 m_inBufLen = m_outBufLen = 0;
ED7418 0:51f1ef89ec7b 53
ED7418 0:51f1ef89ec7b 54 DBG("Starting RX'ing on in ep\n");
ED7418 0:51f1ef89ec7b 55
ED7418 0:51f1ef89ec7b 56 m_timeout = false;
ED7418 0:51f1ef89ec7b 57
ED7418 0:51f1ef89ec7b 58 m_epIn.setOnCompletion(this, &UsbSerial::onEpInTransfer);
ED7418 0:51f1ef89ec7b 59 m_epOut.setOnCompletion(this, &UsbSerial::onEpOutTransfer);
ED7418 0:51f1ef89ec7b 60
ED7418 0:51f1ef89ec7b 61 startRx();
ED7418 0:51f1ef89ec7b 62 }
ED7418 0:51f1ef89ec7b 63
ED7418 0:51f1ef89ec7b 64 UsbSerial::~UsbSerial()
ED7418 0:51f1ef89ec7b 65 {
ED7418 0:51f1ef89ec7b 66 delete[] m_inBufEven;
ED7418 0:51f1ef89ec7b 67 delete[] m_inBufOdd;
ED7418 0:51f1ef89ec7b 68 delete[] m_outBufEven;
ED7418 0:51f1ef89ec7b 69 delete[] m_outBufOdd;
ED7418 0:51f1ef89ec7b 70 }
ED7418 0:51f1ef89ec7b 71
ED7418 0:51f1ef89ec7b 72 void UsbSerial::baud(int baudrate) {
ED7418 0:51f1ef89ec7b 73 //
ED7418 0:51f1ef89ec7b 74 }
ED7418 0:51f1ef89ec7b 75
ED7418 0:51f1ef89ec7b 76 void UsbSerial::format(int bits, int parity, int stop) {
ED7418 0:51f1ef89ec7b 77 //
ED7418 0:51f1ef89ec7b 78 }
ED7418 0:51f1ef89ec7b 79
ED7418 0:51f1ef89ec7b 80 #if 0 //For doc only
ED7418 0:51f1ef89ec7b 81 template <class T>
ED7418 0:51f1ef89ec7b 82 void attach(T* pCbItem, void (T::*pCbMeth)())
ED7418 0:51f1ef89ec7b 83 {
ED7418 0:51f1ef89ec7b 84 m_pCbItem = (CDummy*) pCbItem;
ED7418 0:51f1ef89ec7b 85 m_pCbMeth = (void (CDummy::*)()) pCbMeth;
ED7418 0:51f1ef89ec7b 86 }
ED7418 0:51f1ef89ec7b 87 #endif
ED7418 0:51f1ef89ec7b 88
ED7418 0:51f1ef89ec7b 89 int UsbSerial::_getc() {
ED7418 0:51f1ef89ec7b 90 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
ED7418 0:51f1ef89ec7b 91 NVIC_DisableIRQ(USB_IRQn);
ED7418 0:51f1ef89ec7b 92 char c;
ED7418 0:51f1ef89ec7b 93 c = *m_pInBufPos;
ED7418 0:51f1ef89ec7b 94 m_pInBufPos++;
ED7418 0:51f1ef89ec7b 95 NVIC_EnableIRQ(USB_IRQn);
ED7418 0:51f1ef89ec7b 96 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
ED7418 0:51f1ef89ec7b 97 return c;
ED7418 0:51f1ef89ec7b 98 }
ED7418 0:51f1ef89ec7b 99
ED7418 0:51f1ef89ec7b 100 int UsbSerial::_putc(int c) {
ED7418 0:51f1ef89ec7b 101 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
ED7418 0:51f1ef89ec7b 102 NVIC_DisableIRQ(USB_IRQn);
ED7418 0:51f1ef89ec7b 103 if( (m_pOutBufPos - m_outBufUsr) < BUF_LEN )
ED7418 0:51f1ef89ec7b 104 {
ED7418 0:51f1ef89ec7b 105 *m_pOutBufPos = (char) c;
ED7418 0:51f1ef89ec7b 106 m_pOutBufPos++;
ED7418 0:51f1ef89ec7b 107 }
ED7418 0:51f1ef89ec7b 108 else
ED7418 0:51f1ef89ec7b 109 {
ED7418 0:51f1ef89ec7b 110 DBG("NO WAY!!!\n");
ED7418 0:51f1ef89ec7b 111 }
ED7418 0:51f1ef89ec7b 112 #if 1
ED7418 0:51f1ef89ec7b 113 if( (m_pOutBufPos - m_outBufUsr) >= BUF_LEN ) //Must flush
ED7418 0:51f1ef89ec7b 114 {
ED7418 0:51f1ef89ec7b 115 if(m_timeout)
ED7418 0:51f1ef89ec7b 116 m_txTimeout.detach();
ED7418 0:51f1ef89ec7b 117 startTx();
ED7418 0:51f1ef89ec7b 118 }
ED7418 0:51f1ef89ec7b 119 else
ED7418 0:51f1ef89ec7b 120 {
ED7418 0:51f1ef89ec7b 121 /*if(m_timeout)
ED7418 0:51f1ef89ec7b 122 m_txTimeout.detach();
ED7418 0:51f1ef89ec7b 123 m_timeout = true;
ED7418 0:51f1ef89ec7b 124 m_txTimeout.attach_us(this, &UsbSerial::startTx, FLUSH_TMOUT);*/
ED7418 0:51f1ef89ec7b 125 if(!m_timeout)
ED7418 0:51f1ef89ec7b 126 {
ED7418 0:51f1ef89ec7b 127 m_timeout = true;
ED7418 0:51f1ef89ec7b 128 m_txTimeout.attach_us(this, &UsbSerial::startTx, FLUSH_TMOUT);
ED7418 0:51f1ef89ec7b 129 }
ED7418 0:51f1ef89ec7b 130 }
ED7418 0:51f1ef89ec7b 131 #endif
ED7418 0:51f1ef89ec7b 132 //startTx();
ED7418 0:51f1ef89ec7b 133 NVIC_EnableIRQ(USB_IRQn);
ED7418 0:51f1ef89ec7b 134 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
ED7418 0:51f1ef89ec7b 135 return c;
ED7418 0:51f1ef89ec7b 136 }
ED7418 0:51f1ef89ec7b 137
ED7418 0:51f1ef89ec7b 138 int UsbSerial::readable() {
ED7418 0:51f1ef89ec7b 139 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
ED7418 0:51f1ef89ec7b 140 NVIC_DisableIRQ(USB_IRQn);
ED7418 0:51f1ef89ec7b 141 int res;
ED7418 0:51f1ef89ec7b 142 if( (m_pInBufPos - m_inBufUsr) < m_inBufLen )
ED7418 0:51f1ef89ec7b 143 {
ED7418 0:51f1ef89ec7b 144 //DBG("\r\nREADABLE\r\n");
ED7418 0:51f1ef89ec7b 145 res = true;
ED7418 0:51f1ef89ec7b 146 }
ED7418 0:51f1ef89ec7b 147 else
ED7418 0:51f1ef89ec7b 148 {
ED7418 0:51f1ef89ec7b 149 //DBG("\r\nNOT READABLE\r\n");
ED7418 0:51f1ef89ec7b 150 startRx(); //Try to swap packets & start another transmission
ED7418 0:51f1ef89ec7b 151 res = ((m_pInBufPos - m_inBufUsr) < m_inBufLen )?true:false;
ED7418 0:51f1ef89ec7b 152 }
ED7418 0:51f1ef89ec7b 153 NVIC_EnableIRQ(USB_IRQn);
ED7418 0:51f1ef89ec7b 154 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
ED7418 0:51f1ef89ec7b 155 return (bool)res;
ED7418 0:51f1ef89ec7b 156 }
ED7418 0:51f1ef89ec7b 157
ED7418 0:51f1ef89ec7b 158 int UsbSerial::writeable() {
ED7418 0:51f1ef89ec7b 159 NVIC_DisableIRQ(US_TICKER_TIMER_IRQn);
ED7418 0:51f1ef89ec7b 160 NVIC_DisableIRQ(USB_IRQn);
ED7418 0:51f1ef89ec7b 161 // DBG("\r\nWRITEABLE???\r\n");
ED7418 0:51f1ef89ec7b 162 int res = (bool)( (m_pOutBufPos - m_outBufUsr) < BUF_LEN);
ED7418 0:51f1ef89ec7b 163 NVIC_EnableIRQ(USB_IRQn);
ED7418 0:51f1ef89ec7b 164 NVIC_EnableIRQ(US_TICKER_TIMER_IRQn);
ED7418 0:51f1ef89ec7b 165 return res;
ED7418 0:51f1ef89ec7b 166 }
ED7418 0:51f1ef89ec7b 167
ED7418 0:51f1ef89ec7b 168 void UsbSerial::onReadable()
ED7418 0:51f1ef89ec7b 169 {
ED7418 0:51f1ef89ec7b 170 if(m_pInCbItem && m_pInCbMeth)
ED7418 0:51f1ef89ec7b 171 (m_pInCbItem->*m_pInCbMeth)();
ED7418 0:51f1ef89ec7b 172 }
ED7418 0:51f1ef89ec7b 173
ED7418 0:51f1ef89ec7b 174 void UsbSerial::onWriteable()
ED7418 0:51f1ef89ec7b 175 {
ED7418 0:51f1ef89ec7b 176 if(m_pOutCbItem && m_pOutCbMeth)
ED7418 0:51f1ef89ec7b 177 (m_pOutCbItem->*m_pOutCbMeth)();
ED7418 0:51f1ef89ec7b 178 }
ED7418 0:51f1ef89ec7b 179
ED7418 0:51f1ef89ec7b 180 void UsbSerial::onEpInTransfer()
ED7418 0:51f1ef89ec7b 181 {
ED7418 0:51f1ef89ec7b 182 int len = m_epIn.status();
ED7418 0:51f1ef89ec7b 183 DBG("RX transfer completed w len=%d\n",len);
ED7418 0:51f1ef89ec7b 184 startRx();
ED7418 0:51f1ef89ec7b 185 if(len > 0)
ED7418 0:51f1ef89ec7b 186 onReadable();
ED7418 0:51f1ef89ec7b 187 }
ED7418 0:51f1ef89ec7b 188
ED7418 0:51f1ef89ec7b 189 void UsbSerial::onEpOutTransfer()
ED7418 0:51f1ef89ec7b 190 {
ED7418 0:51f1ef89ec7b 191 int len = m_epOut.status();
ED7418 0:51f1ef89ec7b 192 DBG("TX transfer completed w len=%d\n",len);
ED7418 0:51f1ef89ec7b 193 if(m_timeout)
ED7418 0:51f1ef89ec7b 194 m_txTimeout.detach();
ED7418 0:51f1ef89ec7b 195 startTx();
ED7418 0:51f1ef89ec7b 196 if(len > 0)
ED7418 0:51f1ef89ec7b 197 onWriteable();
ED7418 0:51f1ef89ec7b 198 }
ED7418 0:51f1ef89ec7b 199
ED7418 0:51f1ef89ec7b 200 void UsbSerial::startTx()
ED7418 0:51f1ef89ec7b 201 {
ED7418 0:51f1ef89ec7b 202
ED7418 0:51f1ef89ec7b 203 DBG("Transfer>\n");
ED7418 0:51f1ef89ec7b 204
ED7418 0:51f1ef89ec7b 205 m_timeout = false;
ED7418 0:51f1ef89ec7b 206
ED7418 0:51f1ef89ec7b 207 // m_txTimeout.detach();
ED7418 0:51f1ef89ec7b 208
ED7418 0:51f1ef89ec7b 209 if(!(m_pOutBufPos - m_outBufUsr))
ED7418 0:51f1ef89ec7b 210 {
ED7418 0:51f1ef89ec7b 211 DBG("?!?!?\n");
ED7418 0:51f1ef89ec7b 212 return;
ED7418 0:51f1ef89ec7b 213 }
ED7418 0:51f1ef89ec7b 214
ED7418 0:51f1ef89ec7b 215 if( m_epOut.status() == USBERR_PROCESSING )
ED7418 0:51f1ef89ec7b 216 {
ED7418 0:51f1ef89ec7b 217 //Wait & retry
ED7418 0:51f1ef89ec7b 218 //m_timeout = true;
ED7418 0:51f1ef89ec7b 219 //m_txTimeout.attach_us(this, &UsbSerial::startTx, FLUSH_TMOUT);
ED7418 0:51f1ef89ec7b 220 DBG("Ep is busy...\n");
ED7418 0:51f1ef89ec7b 221 return;
ED7418 0:51f1ef89ec7b 222 }
ED7418 0:51f1ef89ec7b 223
ED7418 0:51f1ef89ec7b 224 if( m_epOut.status() < 0 )
ED7418 0:51f1ef89ec7b 225 {
ED7418 0:51f1ef89ec7b 226 DBG("Tx trying again...\n");
ED7418 0:51f1ef89ec7b 227 m_epOut.transfer((volatile uint8_t*)m_outBufTrmt, m_outBufLen);
ED7418 0:51f1ef89ec7b 228 return;
ED7418 0:51f1ef89ec7b 229 }
ED7418 0:51f1ef89ec7b 230
ED7418 0:51f1ef89ec7b 231 m_outBufLen = m_pOutBufPos - m_outBufUsr;
ED7418 0:51f1ef89ec7b 232
ED7418 0:51f1ef89ec7b 233 //Swap buffers
ED7418 0:51f1ef89ec7b 234 volatile char* swapBuf = m_outBufUsr;
ED7418 0:51f1ef89ec7b 235 m_outBufUsr = m_outBufTrmt;
ED7418 0:51f1ef89ec7b 236 m_outBufTrmt = swapBuf;
ED7418 0:51f1ef89ec7b 237
ED7418 0:51f1ef89ec7b 238 m_epOut.transfer((volatile uint8_t*)m_outBufTrmt, m_outBufLen);
ED7418 0:51f1ef89ec7b 239
ED7418 0:51f1ef89ec7b 240 m_pOutBufPos = m_outBufUsr;
ED7418 0:51f1ef89ec7b 241
ED7418 0:51f1ef89ec7b 242 }
ED7418 0:51f1ef89ec7b 243
ED7418 0:51f1ef89ec7b 244 void UsbSerial::startRx()
ED7418 0:51f1ef89ec7b 245 {
ED7418 0:51f1ef89ec7b 246 if( (m_pInBufPos - m_inBufUsr) < m_inBufLen )
ED7418 0:51f1ef89ec7b 247 {
ED7418 0:51f1ef89ec7b 248 //User buf is not empty, cannot swap now...
ED7418 0:51f1ef89ec7b 249 return;
ED7418 0:51f1ef89ec7b 250 }
ED7418 0:51f1ef89ec7b 251 int len = m_epIn.status();
ED7418 0:51f1ef89ec7b 252 if( len == USBERR_PROCESSING )
ED7418 0:51f1ef89ec7b 253 {
ED7418 0:51f1ef89ec7b 254 //Previous transmission not completed
ED7418 0:51f1ef89ec7b 255 return;
ED7418 0:51f1ef89ec7b 256 }
ED7418 0:51f1ef89ec7b 257 if( len < 0 )
ED7418 0:51f1ef89ec7b 258 {
ED7418 0:51f1ef89ec7b 259 DBG("Rx trying again...\n");
ED7418 0:51f1ef89ec7b 260 m_epIn.transfer((volatile uint8_t*)m_inBufTrmt, BUF_LEN); //Start another transmission
ED7418 0:51f1ef89ec7b 261 return;
ED7418 0:51f1ef89ec7b 262 }
ED7418 0:51f1ef89ec7b 263
ED7418 0:51f1ef89ec7b 264 m_inBufLen = len;
ED7418 0:51f1ef89ec7b 265
ED7418 0:51f1ef89ec7b 266 //Swap buffers
ED7418 0:51f1ef89ec7b 267 volatile char* swapBuf = m_inBufUsr;
ED7418 0:51f1ef89ec7b 268 m_inBufUsr = m_inBufTrmt;
ED7418 0:51f1ef89ec7b 269 m_inBufTrmt = swapBuf;
ED7418 0:51f1ef89ec7b 270 m_pInBufPos = m_inBufUsr;
ED7418 0:51f1ef89ec7b 271
ED7418 0:51f1ef89ec7b 272 DBG("Starting new transfer\n");
ED7418 0:51f1ef89ec7b 273 m_epIn.transfer((volatile uint8_t*)m_inBufTrmt, BUF_LEN); //Start another transmission
ED7418 0:51f1ef89ec7b 274
ED7418 0:51f1ef89ec7b 275 }
ED7418 0:51f1ef89ec7b 276
ED7418 0:51f1ef89ec7b 277 #ifdef MBED_RPC
ED7418 0:51f1ef89ec7b 278 const struct rpc_method *UsbSerial::get_rpc_methods() {
ED7418 0:51f1ef89ec7b 279 static const rpc_method methods[] = {
ED7418 0:51f1ef89ec7b 280 { "readable", rpc_method_caller<int, UsbSerial, &UsbSerial::readable> },
ED7418 0:51f1ef89ec7b 281 { "writeable", rpc_method_caller<int, UsbSerial, &UsbSerial::writeable> },
ED7418 0:51f1ef89ec7b 282 RPC_METHOD_SUPER(Stream)
ED7418 0:51f1ef89ec7b 283 };
ED7418 0:51f1ef89ec7b 284 return methods;
ED7418 0:51f1ef89ec7b 285 }
ED7418 0:51f1ef89ec7b 286
ED7418 0:51f1ef89ec7b 287 struct rpc_class *UsbSerial::get_rpc_class() {
ED7418 0:51f1ef89ec7b 288 static const rpc_function funcs[] = {
ED7418 0:51f1ef89ec7b 289 /*{ "new", rpc_function_caller<const char*, UsbDevice*, int, int, const char*, Base::construct<UsbSerial,UsbDevice*,int,int,const char*> > },*/ //RPC is buggy
ED7418 0:51f1ef89ec7b 290 RPC_METHOD_END
ED7418 0:51f1ef89ec7b 291 };
ED7418 0:51f1ef89ec7b 292 static rpc_class c = { "UsbSerial", funcs, NULL };
ED7418 0:51f1ef89ec7b 293 return &c;
ED7418 0:51f1ef89ec7b 294 }
ED7418 0:51f1ef89ec7b 295 #endif
ED7418 0:51f1ef89ec7b 296
ED7418 0:51f1ef89ec7b 297 } // namespace mbed
ED7418 0:51f1ef89ec7b 298
ED7418 0:51f1ef89ec7b 299 #endif
ED7418 0:51f1ef89ec7b 300