z ysaito / USBHost3

2018.07.26

Dependencies:   FATFileSystem3 mbed-rtos

Fork of USBHost by mbed official

USBHostSerial/USBHostSerial.cpp@19:bd46ea19486b, 2013-12-16 (annotated)

Committer:
mbed_official
Date:
Mon Dec 16 09:00:18 2013 +0000
Revision:
19:bd46ea19486b
Parent:
13:b58a2204422f
Child:
20:8f510a2502ef
Synchronized with git revision 170ac6562b7b2b5bb43f8ecf82b2af18b37eeb9c



Full URL: https://github.com/mbedmicro/mbed/commit/170ac6562b7b2b5bb43f8ecf82b2af18b37eeb9c/



improve USB host library and cellular modem stack

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 8:93da8ea2708b 1 /* mbed USBHost Library
samux 8:93da8ea2708b 2 * Copyright (c) 2006-2013 ARM Limited
samux 8:93da8ea2708b 3 *
samux 8:93da8ea2708b 4 * Licensed under the Apache License, Version 2.0 (the "License");
samux 8:93da8ea2708b 5 * you may not use this file except in compliance with the License.
samux 8:93da8ea2708b 6 * You may obtain a copy of the License at
samux 8:93da8ea2708b 7 *
samux 8:93da8ea2708b 8 * http://www.apache.org/licenses/LICENSE-2.0
samux 8:93da8ea2708b 9 *
samux 8:93da8ea2708b 10 * Unless required by applicable law or agreed to in writing, software
samux 8:93da8ea2708b 11 * distributed under the License is distributed on an "AS IS" BASIS,
samux 8:93da8ea2708b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
samux 8:93da8ea2708b 13 * See the License for the specific language governing permissions and
samux 8:93da8ea2708b 14 * limitations under the License.
samux 8:93da8ea2708b 15 */
mbed_official 0:a554658735bf 16
mbed_official 0:a554658735bf 17 #include "USBHostSerial.h"
mbed_official 0:a554658735bf 18
mbed_official 0:a554658735bf 19 #if USBHOST_SERIAL
mbed_official 0:a554658735bf 20
mbed_official 0:a554658735bf 21 #include "dbg.h"
mbed_official 0:a554658735bf 22
mbed_official 19:bd46ea19486b 23 #define CHECK_INTERFACE(cls,subcls,proto) \
mbed_official 19:bd46ea19486b 24 (((cls == 0xFF) && (subcls == 0xFF) && (proto == 0xFF)) /* QUALCOM CDC */ || \
mbed_official 19:bd46ea19486b 25 ((cls == SERIAL_CLASS) && (subcls == 0x00) && (proto == 0x00)) /* STANDARD CDC */ )
samux 4:b320d68e98e7 26
mbed_official 19:bd46ea19486b 27 #if (USBHOST_SERIAL <= 1)
mbed_official 0:a554658735bf 28
mbed_official 19:bd46ea19486b 29 USBHostSerial::USBHostSerial()
mbed_official 19:bd46ea19486b 30 {
mbed_official 19:bd46ea19486b 31 host = USBHost::getHostInst();
mbed_official 19:bd46ea19486b 32 ports_found = 0;
mbed_official 0:a554658735bf 33 dev_connected = false;
mbed_official 0:a554658735bf 34 }
mbed_official 0:a554658735bf 35
mbed_official 0:a554658735bf 36 bool USBHostSerial::connected()
mbed_official 0:a554658735bf 37 {
mbed_official 0:a554658735bf 38 return dev_connected;
mbed_official 0:a554658735bf 39 }
mbed_official 0:a554658735bf 40
mbed_official 19:bd46ea19486b 41 void USBHostSerial::disconnect(void)
mbed_official 19:bd46ea19486b 42 {
mbed_official 19:bd46ea19486b 43 ports_found = 0;
mbed_official 19:bd46ea19486b 44 dev = NULL;
mbed_official 19:bd46ea19486b 45 }
mbed_official 19:bd46ea19486b 46
mbed_official 0:a554658735bf 47 bool USBHostSerial::connect() {
mbed_official 0:a554658735bf 48
mbed_official 19:bd46ea19486b 49 if (dev)
mbed_official 19:bd46ea19486b 50 {
mbed_official 19:bd46ea19486b 51 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++)
mbed_official 19:bd46ea19486b 52 {
mbed_official 19:bd46ea19486b 53 USBDeviceConnected* d = host->getDevice(i);
mbed_official 19:bd46ea19486b 54 if (dev == d)
mbed_official 19:bd46ea19486b 55 return true;
mbed_official 19:bd46ea19486b 56 }
mbed_official 19:bd46ea19486b 57 disconnect();
mbed_official 0:a554658735bf 58 }
mbed_official 19:bd46ea19486b 59 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++)
mbed_official 19:bd46ea19486b 60 {
mbed_official 19:bd46ea19486b 61 USBDeviceConnected* d = host->getDevice(i);
mbed_official 19:bd46ea19486b 62 if (d != NULL) {
samux 4:b320d68e98e7 63
mbed_official 19:bd46ea19486b 64 USB_DBG("Trying to connect serial device \r\n");
mbed_official 19:bd46ea19486b 65 if(host->enumerate(d, this))
mbed_official 0:a554658735bf 66 break;
mbed_official 0:a554658735bf 67
mbed_official 19:bd46ea19486b 68 USBEndpoint* bulk_in = d->getEndpoint(port_intf, BULK_ENDPOINT, IN);
mbed_official 19:bd46ea19486b 69 USBEndpoint* bulk_out = d->getEndpoint(port_intf, BULK_ENDPOINT, OUT);
mbed_official 19:bd46ea19486b 70 if (bulk_in && bulk_out)
mbed_official 19:bd46ea19486b 71 {
mbed_official 19:bd46ea19486b 72 USBHostSerialPort::connect(host,d,port_intf,bulk_in, bulk_out);
mbed_official 19:bd46ea19486b 73 dev = d;
mbed_official 0:a554658735bf 74 }
mbed_official 0:a554658735bf 75 }
mbed_official 0:a554658735bf 76 }
mbed_official 19:bd46ea19486b 77 return dev != NULL;
mbed_official 19:bd46ea19486b 78 }
mbed_official 19:bd46ea19486b 79
mbed_official 19:bd46ea19486b 80 /*virtual*/ void USBHostSerial::setVidPid(uint16_t vid, uint16_t pid)
mbed_official 19:bd46ea19486b 81 {
mbed_official 19:bd46ea19486b 82 // we don't check VID/PID for MSD driver
mbed_official 19:bd46ea19486b 83 }
mbed_official 19:bd46ea19486b 84
mbed_official 19:bd46ea19486b 85 /*virtual*/ bool USBHostSerial::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
mbed_official 19:bd46ea19486b 86 {
mbed_official 19:bd46ea19486b 87 if ((ports_found < USBHOST_MAXSERIAL) &&
mbed_official 19:bd46ea19486b 88 CHECK_INTERFACE(intf_class, intf_subclass, intf_protocol)) {
mbed_official 19:bd46ea19486b 89 port_intf = intf_nb;
mbed_official 19:bd46ea19486b 90 ports_found = true;
mbed_official 19:bd46ea19486b 91 return true;
mbed_official 19:bd46ea19486b 92 }
mbed_official 19:bd46ea19486b 93 return false;
mbed_official 19:bd46ea19486b 94 }
mbed_official 19:bd46ea19486b 95
mbed_official 19:bd46ea19486b 96 /*virtual*/ bool USBHostSerial::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
mbed_official 19:bd46ea19486b 97 {
mbed_official 19:bd46ea19486b 98 if (ports_found && (intf_nb == port_intf)) {
mbed_official 19:bd46ea19486b 99 if (type == BULK_ENDPOINT)
mbed_official 19:bd46ea19486b 100 return true;
mbed_official 19:bd46ea19486b 101 }
mbed_official 0:a554658735bf 102 return false;
mbed_official 0:a554658735bf 103 }
mbed_official 0:a554658735bf 104
mbed_official 19:bd46ea19486b 105 #else // (USBHOST_SERIAL > 1)
mbed_official 19:bd46ea19486b 106
mbed_official 19:bd46ea19486b 107 //------------------------------------------------------------------------------
mbed_official 19:bd46ea19486b 108
mbed_official 19:bd46ea19486b 109 USBHostMultiSerial::USBHostMultiSerial()
mbed_official 19:bd46ea19486b 110 {
mbed_official 19:bd46ea19486b 111 host = USBHost::getHostInst();
mbed_official 19:bd46ea19486b 112 dev = NULL;
mbed_official 19:bd46ea19486b 113 memset(ports, NULL, sizeof(ports));
mbed_official 19:bd46ea19486b 114 ports_found = 0;
mbed_official 19:bd46ea19486b 115 dev_connected = false;
mbed_official 19:bd46ea19486b 116 }
mbed_official 19:bd46ea19486b 117
mbed_official 19:bd46ea19486b 118 USBHostMultiSerial::~USBHostMultiSerial()
mbed_official 19:bd46ea19486b 119 {
mbed_official 19:bd46ea19486b 120 disconnect();
mbed_official 19:bd46ea19486b 121 }
mbed_official 19:bd46ea19486b 122
mbed_official 19:bd46ea19486b 123 bool USBHostMultiSerial::connected()
mbed_official 19:bd46ea19486b 124 {
mbed_official 19:bd46ea19486b 125 return dev_connected;
mbed_official 19:bd46ea19486b 126 }
mbed_official 19:bd46ea19486b 127
mbed_official 19:bd46ea19486b 128 void USBHostMultiSerial::disconnect(void)
mbed_official 19:bd46ea19486b 129 {
mbed_official 19:bd46ea19486b 130 for (int port = 0; port < USBHOST_SERIAL; port ++)
mbed_official 19:bd46ea19486b 131 {
mbed_official 19:bd46ea19486b 132 if (ports[port])
mbed_official 19:bd46ea19486b 133 {
mbed_official 19:bd46ea19486b 134 delete ports[port];
mbed_official 19:bd46ea19486b 135 ports[port] = NULL;
mbed_official 19:bd46ea19486b 136 }
mbed_official 19:bd46ea19486b 137 }
mbed_official 19:bd46ea19486b 138 ports_found = 0;
mbed_official 19:bd46ea19486b 139 dev = NULL;
mbed_official 19:bd46ea19486b 140 }
mbed_official 19:bd46ea19486b 141
mbed_official 19:bd46ea19486b 142 bool USBHostMultiSerial::connect() {
mbed_official 19:bd46ea19486b 143
mbed_official 19:bd46ea19486b 144 if (dev)
mbed_official 19:bd46ea19486b 145 {
mbed_official 19:bd46ea19486b 146 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++)
mbed_official 19:bd46ea19486b 147 {
mbed_official 19:bd46ea19486b 148 USBDeviceConnected* d = host->getDevice(i);
mbed_official 19:bd46ea19486b 149 if (dev == d)
mbed_official 19:bd46ea19486b 150 return true;
mbed_official 19:bd46ea19486b 151 }
mbed_official 19:bd46ea19486b 152 disconnect();
mbed_official 19:bd46ea19486b 153 }
mbed_official 19:bd46ea19486b 154 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++)
mbed_official 19:bd46ea19486b 155 {
mbed_official 19:bd46ea19486b 156 USBDeviceConnected* d = host->getDevice(i);
mbed_official 19:bd46ea19486b 157 if (d != NULL) {
mbed_official 19:bd46ea19486b 158
mbed_official 19:bd46ea19486b 159 USB_DBG("Trying to connect serial device \r\n");
mbed_official 19:bd46ea19486b 160 if(host->enumerate(d, this))
mbed_official 19:bd46ea19486b 161 break;
mbed_official 19:bd46ea19486b 162
mbed_official 19:bd46ea19486b 163 for (int port = 0; port < ports_found; port ++)
mbed_official 19:bd46ea19486b 164 {
mbed_official 19:bd46ea19486b 165 USBEndpoint* bulk_in = d->getEndpoint(port_intf[port], BULK_ENDPOINT, IN);
mbed_official 19:bd46ea19486b 166 USBEndpoint* bulk_out = d->getEndpoint(port_intf[port], BULK_ENDPOINT, OUT);
mbed_official 19:bd46ea19486b 167 if (bulk_in && bulk_out)
mbed_official 19:bd46ea19486b 168 {
mbed_official 19:bd46ea19486b 169 ports[port] = new USBHostSerialPort();
mbed_official 19:bd46ea19486b 170 if (ports[port])
mbed_official 19:bd46ea19486b 171 {
mbed_official 19:bd46ea19486b 172 ports[port]->connect(host,d,port_intf[port],bulk_in, bulk_out);
mbed_official 19:bd46ea19486b 173 dev = d;
mbed_official 19:bd46ea19486b 174 }
mbed_official 19:bd46ea19486b 175 }
mbed_official 19:bd46ea19486b 176 }
mbed_official 19:bd46ea19486b 177 }
mbed_official 19:bd46ea19486b 178 }
mbed_official 19:bd46ea19486b 179 return dev != NULL;
mbed_official 19:bd46ea19486b 180 }
mbed_official 19:bd46ea19486b 181
mbed_official 19:bd46ea19486b 182 /*virtual*/ void USBHostMultiSerial::setVidPid(uint16_t vid, uint16_t pid)
mbed_official 19:bd46ea19486b 183 {
mbed_official 19:bd46ea19486b 184 // we don't check VID/PID for MSD driver
mbed_official 19:bd46ea19486b 185 }
mbed_official 19:bd46ea19486b 186
mbed_official 19:bd46ea19486b 187 /*virtual*/ bool USBHostMultiSerial::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
mbed_official 19:bd46ea19486b 188 {
mbed_official 19:bd46ea19486b 189 if ((ports_found < USBHOST_SERIAL) &&
mbed_official 19:bd46ea19486b 190 CHECK_INTERFACE(intf_class, intf_subclass, intf_protocol)) {
mbed_official 19:bd46ea19486b 191 port_intf[ports_found++] = intf_nb;
mbed_official 19:bd46ea19486b 192 return true;
mbed_official 19:bd46ea19486b 193 }
mbed_official 19:bd46ea19486b 194 return false;
mbed_official 19:bd46ea19486b 195 }
mbed_official 19:bd46ea19486b 196
mbed_official 19:bd46ea19486b 197 /*virtual*/ bool USBHostMultiSerial::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
mbed_official 19:bd46ea19486b 198 {
mbed_official 19:bd46ea19486b 199 if ((ports_found > 0) && (intf_nb == port_intf[ports_found-1])) {
mbed_official 19:bd46ea19486b 200 if (type == BULK_ENDPOINT)
mbed_official 19:bd46ea19486b 201 return true;
mbed_official 19:bd46ea19486b 202 }
mbed_official 19:bd46ea19486b 203 return false;
mbed_official 19:bd46ea19486b 204 }
mbed_official 19:bd46ea19486b 205
mbed_official 19:bd46ea19486b 206 #endif
mbed_official 19:bd46ea19486b 207
mbed_official 19:bd46ea19486b 208 //------------------------------------------------------------------------------
mbed_official 19:bd46ea19486b 209
mbed_official 19:bd46ea19486b 210 #define SET_LINE_CODING 0x20
mbed_official 19:bd46ea19486b 211
mbed_official 19:bd46ea19486b 212 USBHostSerialPort::USBHostSerialPort(): circ_buf()
mbed_official 19:bd46ea19486b 213 {
mbed_official 19:bd46ea19486b 214 init();
mbed_official 19:bd46ea19486b 215 }
mbed_official 19:bd46ea19486b 216
mbed_official 19:bd46ea19486b 217 void USBHostSerialPort::init(void)
mbed_official 19:bd46ea19486b 218 {
mbed_official 19:bd46ea19486b 219 host = NULL;
mbed_official 19:bd46ea19486b 220 dev = NULL;
mbed_official 19:bd46ea19486b 221 serial_intf = NULL;
mbed_official 19:bd46ea19486b 222 size_bulk_in = 0;
mbed_official 19:bd46ea19486b 223 size_bulk_out = 0;
mbed_official 19:bd46ea19486b 224 bulk_in = NULL;
mbed_official 19:bd46ea19486b 225 bulk_out = NULL;
mbed_official 19:bd46ea19486b 226 line_coding.baudrate = 9600;
mbed_official 19:bd46ea19486b 227 line_coding.data_bits = 8;
mbed_official 19:bd46ea19486b 228 line_coding.parity = None;
mbed_official 19:bd46ea19486b 229 line_coding.stop_bits = 1;
mbed_official 19:bd46ea19486b 230 circ_buf.flush();
mbed_official 19:bd46ea19486b 231 }
mbed_official 19:bd46ea19486b 232
mbed_official 19:bd46ea19486b 233 void USBHostSerialPort::connect(USBHost* _host, USBDeviceConnected * _dev,
mbed_official 19:bd46ea19486b 234 uint8_t _serial_intf, USBEndpoint* _bulk_in, USBEndpoint* _bulk_out)
mbed_official 19:bd46ea19486b 235 {
mbed_official 19:bd46ea19486b 236 host = _host;
mbed_official 19:bd46ea19486b 237 dev = _dev;
mbed_official 19:bd46ea19486b 238 serial_intf = _serial_intf;
mbed_official 19:bd46ea19486b 239 bulk_in = _bulk_in;
mbed_official 19:bd46ea19486b 240 bulk_out = _bulk_out;
mbed_official 19:bd46ea19486b 241
mbed_official 19:bd46ea19486b 242 USB_INFO("New Serial device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, serial_intf);
mbed_official 19:bd46ea19486b 243 dev->setName("Serial", serial_intf);
mbed_official 19:bd46ea19486b 244 host->registerDriver(dev, serial_intf, this, &USBHostSerialPort::init);
mbed_official 19:bd46ea19486b 245 //baud(9600);
mbed_official 19:bd46ea19486b 246 size_bulk_in = bulk_in->getSize();
mbed_official 19:bd46ea19486b 247 size_bulk_out = bulk_out->getSize();
mbed_official 19:bd46ea19486b 248 bulk_in->attach(this, &USBHostSerialPort::rxHandler);
mbed_official 19:bd46ea19486b 249 bulk_out->attach(this, &USBHostSerialPort::txHandler);
mbed_official 19:bd46ea19486b 250 host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
mbed_official 19:bd46ea19486b 251 }
mbed_official 19:bd46ea19486b 252
mbed_official 19:bd46ea19486b 253 void USBHostSerialPort::rxHandler() {
mbed_official 0:a554658735bf 254 if (bulk_in) {
mbed_official 0:a554658735bf 255 int len = bulk_in->getLengthTransferred();
mbed_official 0:a554658735bf 256 if (bulk_in->getState() == USB_TYPE_IDLE) {
mbed_official 0:a554658735bf 257 for (int i = 0; i < len; i++) {
mbed_official 0:a554658735bf 258 circ_buf.queue(buf[i]);
mbed_official 0:a554658735bf 259 }
mbed_official 0:a554658735bf 260 rx.call();
samux 4:b320d68e98e7 261 host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
mbed_official 0:a554658735bf 262 }
mbed_official 0:a554658735bf 263 }
mbed_official 0:a554658735bf 264 }
mbed_official 0:a554658735bf 265
mbed_official 19:bd46ea19486b 266 void USBHostSerialPort::txHandler() {
mbed_official 0:a554658735bf 267 if (bulk_out) {
mbed_official 0:a554658735bf 268 if (bulk_out->getState() == USB_TYPE_IDLE) {
mbed_official 0:a554658735bf 269 tx.call();
mbed_official 0:a554658735bf 270 }
mbed_official 0:a554658735bf 271 }
mbed_official 0:a554658735bf 272 }
mbed_official 0:a554658735bf 273
mbed_official 19:bd46ea19486b 274 int USBHostSerialPort::_putc(int c) {
mbed_official 0:a554658735bf 275 if (bulk_out) {
mbed_official 0:a554658735bf 276 if (host->bulkWrite(dev, bulk_out, (uint8_t *)&c, 1) == USB_TYPE_OK) {
mbed_official 0:a554658735bf 277 return 1;
mbed_official 0:a554658735bf 278 }
mbed_official 0:a554658735bf 279 }
mbed_official 0:a554658735bf 280 return -1;
mbed_official 0:a554658735bf 281 }
mbed_official 0:a554658735bf 282
mbed_official 19:bd46ea19486b 283 void USBHostSerialPort::baud(int baudrate) {
samux 4:b320d68e98e7 284 line_coding.baudrate = baudrate;
samux 8:93da8ea2708b 285 format(line_coding.data_bits, (Parity)line_coding.parity, line_coding.stop_bits);
samux 4:b320d68e98e7 286 }
samux 4:b320d68e98e7 287
mbed_official 19:bd46ea19486b 288 void USBHostSerialPort::format(int bits, Parity parity, int stop_bits) {
samux 4:b320d68e98e7 289 line_coding.data_bits = bits;
samux 4:b320d68e98e7 290 line_coding.parity = parity;
samux 4:b320d68e98e7 291 line_coding.stop_bits = (stop_bits == 1) ? 0 : 2;
samux 4:b320d68e98e7 292
samux 4:b320d68e98e7 293 // set line coding
mbed_official 13:b58a2204422f 294 host->controlWrite( dev,
mbed_official 13:b58a2204422f 295 USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS,
mbed_official 13:b58a2204422f 296 SET_LINE_CODING,
mbed_official 13:b58a2204422f 297 0, serial_intf, (uint8_t *)&line_coding, 7);
samux 4:b320d68e98e7 298 }
mbed_official 0:a554658735bf 299
mbed_official 19:bd46ea19486b 300 int USBHostSerialPort::_getc() {
mbed_official 0:a554658735bf 301 uint8_t c = 0;
mbed_official 0:a554658735bf 302 if (bulk_in == NULL) {
samux 4:b320d68e98e7 303 init();
mbed_official 0:a554658735bf 304 return -1;
mbed_official 0:a554658735bf 305 }
samux 4:b320d68e98e7 306 while (circ_buf.isEmpty());
mbed_official 0:a554658735bf 307 circ_buf.dequeue(&c);
mbed_official 0:a554658735bf 308 return c;
mbed_official 0:a554658735bf 309 }
mbed_official 0:a554658735bf 310
mbed_official 19:bd46ea19486b 311 int USBHostSerialPort::writeBuf(const char* b, int s)
mbed_official 19:bd46ea19486b 312 {
mbed_official 19:bd46ea19486b 313 int c = 0;
mbed_official 19:bd46ea19486b 314 if (bulk_out)
mbed_official 19:bd46ea19486b 315 {
mbed_official 19:bd46ea19486b 316 while (c < s)
mbed_official 19:bd46ea19486b 317 {
mbed_official 19:bd46ea19486b 318 int i = (s < size_bulk_out) ? s : size_bulk_out;
mbed_official 19:bd46ea19486b 319 if (host->bulkWrite(dev, bulk_out, (uint8_t *)(b+c), i) == USB_TYPE_OK)
mbed_official 19:bd46ea19486b 320 c += i;
mbed_official 19:bd46ea19486b 321 }
mbed_official 19:bd46ea19486b 322 }
mbed_official 19:bd46ea19486b 323 return s;
mbed_official 19:bd46ea19486b 324 }
mbed_official 0:a554658735bf 325
mbed_official 19:bd46ea19486b 326 int USBHostSerialPort::readBuf(char* b, int s)
mbed_official 19:bd46ea19486b 327 {
mbed_official 19:bd46ea19486b 328 int i = 0;
mbed_official 19:bd46ea19486b 329 if (bulk_in)
mbed_official 19:bd46ea19486b 330 {
mbed_official 19:bd46ea19486b 331 for (i = 0; i < s; )
mbed_official 19:bd46ea19486b 332 b[i++] = getc();
mbed_official 19:bd46ea19486b 333 }
mbed_official 19:bd46ea19486b 334 return i;
mbed_official 19:bd46ea19486b 335 }
mbed_official 19:bd46ea19486b 336
mbed_official 19:bd46ea19486b 337 uint8_t USBHostSerialPort::available() {
mbed_official 0:a554658735bf 338 return circ_buf.available();
mbed_official 0:a554658735bf 339 }
mbed_official 0:a554658735bf 340
mbed_official 0:a554658735bf 341
mbed_official 0:a554658735bf 342
mbed_official 0:a554658735bf 343 #endif