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Dependencies:   mbed

USBHost/USBHost3GModule/WANDongleSerialPort.cpp@0:6ce9c65992e5, 2015-04-15 (annotated)

Committer:
dylancachan
Date:
Wed Apr 15 06:23:18 2015 +0000
Revision:
0:6ce9c65992e5
telemetre

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dylancachan 0:6ce9c65992e5 1 /* Copyright (c) 2010-2012 mbed.org, MIT License
dylancachan 0:6ce9c65992e5 2 *
dylancachan 0:6ce9c65992e5 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
dylancachan 0:6ce9c65992e5 4 * and associated documentation files (the "Software"), to deal in the Software without
dylancachan 0:6ce9c65992e5 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
dylancachan 0:6ce9c65992e5 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
dylancachan 0:6ce9c65992e5 7 * Software is furnished to do so, subject to the following conditions:
dylancachan 0:6ce9c65992e5 8 *
dylancachan 0:6ce9c65992e5 9 * The above copyright notice and this permission notice shall be included in all copies or
dylancachan 0:6ce9c65992e5 10 * substantial portions of the Software.
dylancachan 0:6ce9c65992e5 11 *
dylancachan 0:6ce9c65992e5 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
dylancachan 0:6ce9c65992e5 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
dylancachan 0:6ce9c65992e5 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
dylancachan 0:6ce9c65992e5 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dylancachan 0:6ce9c65992e5 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
dylancachan 0:6ce9c65992e5 17 */
dylancachan 0:6ce9c65992e5 18
dylancachan 0:6ce9c65992e5 19 #include "USBHostConf.h"
dylancachan 0:6ce9c65992e5 20
dylancachan 0:6ce9c65992e5 21 #ifdef USBHOST_3GMODULE
dylancachan 0:6ce9c65992e5 22
dylancachan 0:6ce9c65992e5 23 #define __DEBUG__ 0
dylancachan 0:6ce9c65992e5 24 #ifndef __MODULE__
dylancachan 0:6ce9c65992e5 25 #define __MODULE__ "WANDongleSerialPort.cpp"
dylancachan 0:6ce9c65992e5 26 #endif
dylancachan 0:6ce9c65992e5 27
dylancachan 0:6ce9c65992e5 28 #include "dbg.h"
dylancachan 0:6ce9c65992e5 29 #include <stdint.h>
dylancachan 0:6ce9c65992e5 30 #include "rtos.h"
dylancachan 0:6ce9c65992e5 31
dylancachan 0:6ce9c65992e5 32 #include "WANDongleSerialPort.h"
dylancachan 0:6ce9c65992e5 33
dylancachan 0:6ce9c65992e5 34 WANDongleSerialPort::WANDongleSerialPort() : cb_tx_en(false), cb_rx_en(false), listener(NULL)
dylancachan 0:6ce9c65992e5 35 {
dylancachan 0:6ce9c65992e5 36 reset();
dylancachan 0:6ce9c65992e5 37 }
dylancachan 0:6ce9c65992e5 38
dylancachan 0:6ce9c65992e5 39 void WANDongleSerialPort::init(USBHost* pHost)
dylancachan 0:6ce9c65992e5 40 {
dylancachan 0:6ce9c65992e5 41 host = pHost;
dylancachan 0:6ce9c65992e5 42 }
dylancachan 0:6ce9c65992e5 43
dylancachan 0:6ce9c65992e5 44 void WANDongleSerialPort::reset()
dylancachan 0:6ce9c65992e5 45 {
dylancachan 0:6ce9c65992e5 46 tx_mtx.lock();
dylancachan 0:6ce9c65992e5 47 rx_mtx.lock();
dylancachan 0:6ce9c65992e5 48
dylancachan 0:6ce9c65992e5 49 bulk_in = NULL;
dylancachan 0:6ce9c65992e5 50 bulk_out = NULL;
dylancachan 0:6ce9c65992e5 51
dylancachan 0:6ce9c65992e5 52 buf_out_len = 0;
dylancachan 0:6ce9c65992e5 53 max_out_size = 0;
dylancachan 0:6ce9c65992e5 54 lock_tx = false;
dylancachan 0:6ce9c65992e5 55 cb_tx_pending = false;
dylancachan 0:6ce9c65992e5 56
dylancachan 0:6ce9c65992e5 57 buf_in_len = 0;
dylancachan 0:6ce9c65992e5 58 buf_in_read_pos = 0;
dylancachan 0:6ce9c65992e5 59 lock_rx = false;
dylancachan 0:6ce9c65992e5 60 cb_rx_pending = false;
dylancachan 0:6ce9c65992e5 61
dylancachan 0:6ce9c65992e5 62 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 63 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 64 }
dylancachan 0:6ce9c65992e5 65
dylancachan 0:6ce9c65992e5 66 int WANDongleSerialPort::readPacket()
dylancachan 0:6ce9c65992e5 67 {
dylancachan 0:6ce9c65992e5 68 USB_DBG("Read packet on %p", this);
dylancachan 0:6ce9c65992e5 69 rx_mtx.lock();
dylancachan 0:6ce9c65992e5 70 if(lock_rx)
dylancachan 0:6ce9c65992e5 71 {
dylancachan 0:6ce9c65992e5 72 USB_ERR("Fail");
dylancachan 0:6ce9c65992e5 73 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 74 return -1;
dylancachan 0:6ce9c65992e5 75 }
dylancachan 0:6ce9c65992e5 76
dylancachan 0:6ce9c65992e5 77 if( bulk_in == NULL )
dylancachan 0:6ce9c65992e5 78 {
dylancachan 0:6ce9c65992e5 79 USB_WARN("Port is disconnected");
dylancachan 0:6ce9c65992e5 80 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 81 return -1;
dylancachan 0:6ce9c65992e5 82 }
dylancachan 0:6ce9c65992e5 83
dylancachan 0:6ce9c65992e5 84 lock_rx = true; //Receiving
dylancachan 0:6ce9c65992e5 85 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 86 // USB_DBG("readPacket");
dylancachan 0:6ce9c65992e5 87 //lock_rx.lock();
dylancachan 0:6ce9c65992e5 88 USB_TYPE res = host->bulkRead(dev, (USBEndpoint *)bulk_in, buf_in, ((USBEndpoint *)bulk_in)->getSize(), false); //Queue transfer
dylancachan 0:6ce9c65992e5 89 if(res != USB_TYPE_PROCESSING)
dylancachan 0:6ce9c65992e5 90 {
dylancachan 0:6ce9c65992e5 91 //lock_rx.unlock();
dylancachan 0:6ce9c65992e5 92 USB_ERR("host->bulkRead() returned %d", res);
dylancachan 0:6ce9c65992e5 93 Thread::wait(100);
dylancachan 0:6ce9c65992e5 94 return -1;
dylancachan 0:6ce9c65992e5 95 }
dylancachan 0:6ce9c65992e5 96 return 0;
dylancachan 0:6ce9c65992e5 97 }
dylancachan 0:6ce9c65992e5 98
dylancachan 0:6ce9c65992e5 99 int WANDongleSerialPort::writePacket()
dylancachan 0:6ce9c65992e5 100 {
dylancachan 0:6ce9c65992e5 101 tx_mtx.lock();
dylancachan 0:6ce9c65992e5 102 if(lock_tx)
dylancachan 0:6ce9c65992e5 103 {
dylancachan 0:6ce9c65992e5 104 USB_ERR("Fail");
dylancachan 0:6ce9c65992e5 105 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 106 return -1;
dylancachan 0:6ce9c65992e5 107 }
dylancachan 0:6ce9c65992e5 108
dylancachan 0:6ce9c65992e5 109 if( bulk_out == NULL )
dylancachan 0:6ce9c65992e5 110 {
dylancachan 0:6ce9c65992e5 111 USB_WARN("Port is disconnected");
dylancachan 0:6ce9c65992e5 112 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 113 return -1;
dylancachan 0:6ce9c65992e5 114 }
dylancachan 0:6ce9c65992e5 115
dylancachan 0:6ce9c65992e5 116 lock_tx = true; //Transmitting
dylancachan 0:6ce9c65992e5 117 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 118 // USB_DBG("writePacket");
dylancachan 0:6ce9c65992e5 119
dylancachan 0:6ce9c65992e5 120 //lock_tx.lock();
dylancachan 0:6ce9c65992e5 121 USB_TYPE res = host->bulkWrite(dev, (USBEndpoint *)bulk_out, buf_out, buf_out_len, false); //Queue transfer
dylancachan 0:6ce9c65992e5 122 if(res != USB_TYPE_PROCESSING)
dylancachan 0:6ce9c65992e5 123 {
dylancachan 0:6ce9c65992e5 124 //lock_tx.unlock();
dylancachan 0:6ce9c65992e5 125 USB_ERR("host->bulkWrite() returned %d", res);
dylancachan 0:6ce9c65992e5 126 Thread::wait(100);
dylancachan 0:6ce9c65992e5 127 return -1;
dylancachan 0:6ce9c65992e5 128 }
dylancachan 0:6ce9c65992e5 129 return 0;
dylancachan 0:6ce9c65992e5 130 }
dylancachan 0:6ce9c65992e5 131
dylancachan 0:6ce9c65992e5 132 int WANDongleSerialPort::putc(int c)
dylancachan 0:6ce9c65992e5 133 {
dylancachan 0:6ce9c65992e5 134 tx_mtx.lock();
dylancachan 0:6ce9c65992e5 135 if(!lock_tx)
dylancachan 0:6ce9c65992e5 136 {
dylancachan 0:6ce9c65992e5 137 if(buf_out_len < max_out_size)
dylancachan 0:6ce9c65992e5 138 {
dylancachan 0:6ce9c65992e5 139 buf_out[buf_out_len] = (uint8_t)c;
dylancachan 0:6ce9c65992e5 140 buf_out_len++;
dylancachan 0:6ce9c65992e5 141 }
dylancachan 0:6ce9c65992e5 142 }
dylancachan 0:6ce9c65992e5 143 else
dylancachan 0:6ce9c65992e5 144 {
dylancachan 0:6ce9c65992e5 145 USB_ERR("CAN'T WRITE!");
dylancachan 0:6ce9c65992e5 146 }
dylancachan 0:6ce9c65992e5 147 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 148 return c;
dylancachan 0:6ce9c65992e5 149 }
dylancachan 0:6ce9c65992e5 150
dylancachan 0:6ce9c65992e5 151 int WANDongleSerialPort::getc()
dylancachan 0:6ce9c65992e5 152 {
dylancachan 0:6ce9c65992e5 153 rx_mtx.lock();
dylancachan 0:6ce9c65992e5 154 int c = 0;
dylancachan 0:6ce9c65992e5 155 if(!lock_rx)
dylancachan 0:6ce9c65992e5 156 {
dylancachan 0:6ce9c65992e5 157 if(buf_in_read_pos < buf_in_len)
dylancachan 0:6ce9c65992e5 158 {
dylancachan 0:6ce9c65992e5 159 c = (int)buf_in[buf_in_read_pos];
dylancachan 0:6ce9c65992e5 160 buf_in_read_pos++;
dylancachan 0:6ce9c65992e5 161 }
dylancachan 0:6ce9c65992e5 162 }
dylancachan 0:6ce9c65992e5 163 else
dylancachan 0:6ce9c65992e5 164 {
dylancachan 0:6ce9c65992e5 165 USB_ERR("CAN'T READ!");
dylancachan 0:6ce9c65992e5 166 }
dylancachan 0:6ce9c65992e5 167 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 168 return c;
dylancachan 0:6ce9c65992e5 169 }
dylancachan 0:6ce9c65992e5 170
dylancachan 0:6ce9c65992e5 171 int WANDongleSerialPort::readable()
dylancachan 0:6ce9c65992e5 172 {
dylancachan 0:6ce9c65992e5 173 rx_mtx.lock();
dylancachan 0:6ce9c65992e5 174 if (lock_rx)
dylancachan 0:6ce9c65992e5 175 {
dylancachan 0:6ce9c65992e5 176 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 177 return 0;
dylancachan 0:6ce9c65992e5 178 }
dylancachan 0:6ce9c65992e5 179
dylancachan 0:6ce9c65992e5 180 /* if( !lock_rx.trylock() )
dylancachan 0:6ce9c65992e5 181 {
dylancachan 0:6ce9c65992e5 182 return 0;
dylancachan 0:6ce9c65992e5 183 }*/
dylancachan 0:6ce9c65992e5 184 int res = buf_in_len - buf_in_read_pos;
dylancachan 0:6ce9c65992e5 185 //lock_rx.unlock();
dylancachan 0:6ce9c65992e5 186 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 187 return res;
dylancachan 0:6ce9c65992e5 188 }
dylancachan 0:6ce9c65992e5 189
dylancachan 0:6ce9c65992e5 190 int WANDongleSerialPort::writeable()
dylancachan 0:6ce9c65992e5 191 {
dylancachan 0:6ce9c65992e5 192 tx_mtx.lock();
dylancachan 0:6ce9c65992e5 193 if (lock_tx)
dylancachan 0:6ce9c65992e5 194 {
dylancachan 0:6ce9c65992e5 195 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 196 return 0;
dylancachan 0:6ce9c65992e5 197 }
dylancachan 0:6ce9c65992e5 198
dylancachan 0:6ce9c65992e5 199 /*if( !lock_tx.trylock() )
dylancachan 0:6ce9c65992e5 200 {
dylancachan 0:6ce9c65992e5 201 return 0;
dylancachan 0:6ce9c65992e5 202 }*/
dylancachan 0:6ce9c65992e5 203 int res = max_out_size - buf_out_len;
dylancachan 0:6ce9c65992e5 204 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 205 //lock_tx.unlock();
dylancachan 0:6ce9c65992e5 206 return res;
dylancachan 0:6ce9c65992e5 207 }
dylancachan 0:6ce9c65992e5 208
dylancachan 0:6ce9c65992e5 209 void WANDongleSerialPort::attach(IUSBHostSerialListener* pListener)
dylancachan 0:6ce9c65992e5 210 {
dylancachan 0:6ce9c65992e5 211 if(pListener == NULL)
dylancachan 0:6ce9c65992e5 212 {
dylancachan 0:6ce9c65992e5 213 setupIrq(false, RxIrq);
dylancachan 0:6ce9c65992e5 214 setupIrq(false, TxIrq);
dylancachan 0:6ce9c65992e5 215 }
dylancachan 0:6ce9c65992e5 216 listener = pListener;
dylancachan 0:6ce9c65992e5 217 if(pListener != NULL)
dylancachan 0:6ce9c65992e5 218 {
dylancachan 0:6ce9c65992e5 219 setupIrq(true, RxIrq);
dylancachan 0:6ce9c65992e5 220 setupIrq(true, TxIrq);
dylancachan 0:6ce9c65992e5 221 }
dylancachan 0:6ce9c65992e5 222 }
dylancachan 0:6ce9c65992e5 223
dylancachan 0:6ce9c65992e5 224 void WANDongleSerialPort::setupIrq(bool en, IrqType irq /*= RxIrq*/)
dylancachan 0:6ce9c65992e5 225 {
dylancachan 0:6ce9c65992e5 226 switch(irq)
dylancachan 0:6ce9c65992e5 227 {
dylancachan 0:6ce9c65992e5 228 case RxIrq:
dylancachan 0:6ce9c65992e5 229 rx_mtx.lock();
dylancachan 0:6ce9c65992e5 230 cb_rx_en = en;
dylancachan 0:6ce9c65992e5 231 if(en && cb_rx_pending)
dylancachan 0:6ce9c65992e5 232 {
dylancachan 0:6ce9c65992e5 233 cb_rx_pending = false;
dylancachan 0:6ce9c65992e5 234 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 235 listener->readable(); //Process the interrupt that was raised
dylancachan 0:6ce9c65992e5 236 }
dylancachan 0:6ce9c65992e5 237 else
dylancachan 0:6ce9c65992e5 238 {
dylancachan 0:6ce9c65992e5 239 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 240 }
dylancachan 0:6ce9c65992e5 241 break;
dylancachan 0:6ce9c65992e5 242 case TxIrq:
dylancachan 0:6ce9c65992e5 243 tx_mtx.lock();
dylancachan 0:6ce9c65992e5 244 cb_tx_en = en;
dylancachan 0:6ce9c65992e5 245 if(en && cb_tx_pending)
dylancachan 0:6ce9c65992e5 246 {
dylancachan 0:6ce9c65992e5 247 cb_tx_pending = false;
dylancachan 0:6ce9c65992e5 248 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 249 listener->writeable(); //Process the interrupt that was raised
dylancachan 0:6ce9c65992e5 250 }
dylancachan 0:6ce9c65992e5 251 else
dylancachan 0:6ce9c65992e5 252 {
dylancachan 0:6ce9c65992e5 253 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 254 }
dylancachan 0:6ce9c65992e5 255 break;
dylancachan 0:6ce9c65992e5 256 }
dylancachan 0:6ce9c65992e5 257 }
dylancachan 0:6ce9c65992e5 258
dylancachan 0:6ce9c65992e5 259
dylancachan 0:6ce9c65992e5 260 void WANDongleSerialPort::connect( USBDeviceConnected* pDev, USBEndpoint* pInEp, USBEndpoint* pOutEp )
dylancachan 0:6ce9c65992e5 261 {
dylancachan 0:6ce9c65992e5 262 dev = pDev;
dylancachan 0:6ce9c65992e5 263 bulk_in = pInEp;
dylancachan 0:6ce9c65992e5 264 bulk_out = pOutEp;
dylancachan 0:6ce9c65992e5 265 max_out_size = bulk_out->getSize();
dylancachan 0:6ce9c65992e5 266 if( max_out_size > WANDONGLE_MAX_OUTEP_SIZE )
dylancachan 0:6ce9c65992e5 267 {
dylancachan 0:6ce9c65992e5 268 max_out_size = WANDONGLE_MAX_OUTEP_SIZE;
dylancachan 0:6ce9c65992e5 269 }
dylancachan 0:6ce9c65992e5 270 bulk_in->attach(this, &WANDongleSerialPort::rxHandler);
dylancachan 0:6ce9c65992e5 271 bulk_out->attach(this, &WANDongleSerialPort::txHandler);
dylancachan 0:6ce9c65992e5 272 readPacket(); //Start receiving data
dylancachan 0:6ce9c65992e5 273 }
dylancachan 0:6ce9c65992e5 274
dylancachan 0:6ce9c65992e5 275 void WANDongleSerialPort::disconnect( )
dylancachan 0:6ce9c65992e5 276 {
dylancachan 0:6ce9c65992e5 277 reset();
dylancachan 0:6ce9c65992e5 278 }
dylancachan 0:6ce9c65992e5 279
dylancachan 0:6ce9c65992e5 280 //Private methods
dylancachan 0:6ce9c65992e5 281
dylancachan 0:6ce9c65992e5 282
dylancachan 0:6ce9c65992e5 283 void WANDongleSerialPort::rxHandler()
dylancachan 0:6ce9c65992e5 284 {
dylancachan 0:6ce9c65992e5 285 if (((USBEndpoint *) bulk_in)->getState() == USB_TYPE_IDLE) //Success
dylancachan 0:6ce9c65992e5 286 {
dylancachan 0:6ce9c65992e5 287 buf_in_read_pos = 0;
dylancachan 0:6ce9c65992e5 288 buf_in_len = ((USBEndpoint *) bulk_in)->getLengthTransferred(); //Update length
dylancachan 0:6ce9c65992e5 289 //lock_rx.unlock();
dylancachan 0:6ce9c65992e5 290 rx_mtx.lock();
dylancachan 0:6ce9c65992e5 291 lock_rx = false; //Transmission complete
dylancachan 0:6ce9c65992e5 292 if(cb_rx_en)
dylancachan 0:6ce9c65992e5 293 {
dylancachan 0:6ce9c65992e5 294 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 295 listener->readable(); //Call handler from the IRQ context
dylancachan 0:6ce9c65992e5 296 //readPacket() should be called by the handler subsequently once the buffer has been emptied
dylancachan 0:6ce9c65992e5 297 }
dylancachan 0:6ce9c65992e5 298 else
dylancachan 0:6ce9c65992e5 299 {
dylancachan 0:6ce9c65992e5 300 cb_rx_pending = true; //Queue the callback
dylancachan 0:6ce9c65992e5 301 rx_mtx.unlock();
dylancachan 0:6ce9c65992e5 302 }
dylancachan 0:6ce9c65992e5 303
dylancachan 0:6ce9c65992e5 304 }
dylancachan 0:6ce9c65992e5 305 else //Error, try reading again
dylancachan 0:6ce9c65992e5 306 {
dylancachan 0:6ce9c65992e5 307 //lock_rx.unlock();
dylancachan 0:6ce9c65992e5 308 USB_DBG("Trying again");
dylancachan 0:6ce9c65992e5 309 readPacket();
dylancachan 0:6ce9c65992e5 310 }
dylancachan 0:6ce9c65992e5 311 }
dylancachan 0:6ce9c65992e5 312
dylancachan 0:6ce9c65992e5 313 void WANDongleSerialPort::txHandler()
dylancachan 0:6ce9c65992e5 314 {
dylancachan 0:6ce9c65992e5 315 if (((USBEndpoint *) bulk_out)->getState() == USB_TYPE_IDLE) //Success
dylancachan 0:6ce9c65992e5 316 {
dylancachan 0:6ce9c65992e5 317 tx_mtx.lock();
dylancachan 0:6ce9c65992e5 318 buf_out_len = 0; //Reset length
dylancachan 0:6ce9c65992e5 319 lock_tx = false; //Transmission complete
dylancachan 0:6ce9c65992e5 320 //lock_tx.unlock();
dylancachan 0:6ce9c65992e5 321 if(cb_tx_en)
dylancachan 0:6ce9c65992e5 322 {
dylancachan 0:6ce9c65992e5 323 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 324 listener->writeable(); //Call handler from the IRQ context
dylancachan 0:6ce9c65992e5 325 //writePacket() should be called by the handler subsequently once the buffer has been filled
dylancachan 0:6ce9c65992e5 326 }
dylancachan 0:6ce9c65992e5 327 else
dylancachan 0:6ce9c65992e5 328 {
dylancachan 0:6ce9c65992e5 329 cb_tx_pending = true; //Queue the callback
dylancachan 0:6ce9c65992e5 330 tx_mtx.unlock();
dylancachan 0:6ce9c65992e5 331 }
dylancachan 0:6ce9c65992e5 332 }
dylancachan 0:6ce9c65992e5 333 else //Error, try reading again
dylancachan 0:6ce9c65992e5 334 {
dylancachan 0:6ce9c65992e5 335 //lock_tx.unlock();
dylancachan 0:6ce9c65992e5 336 writePacket();
dylancachan 0:6ce9c65992e5 337 }
dylancachan 0:6ce9c65992e5 338 }
dylancachan 0:6ce9c65992e5 339
dylancachan 0:6ce9c65992e5 340 #endif /* USBHOST_3GMODULE */