takashi kadono / Mbed OS Nucleo_446

Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466

Dependencies:   ssd1331

mbed-os/drivers/UARTSerial.cpp@3:f3764f852aa8, 2018-10-11 (annotated)

Committer:
kadonotakashi
Date:
Thu Oct 11 02:27:46 2018 +0000
Revision:
3:f3764f852aa8
Parent:
0:8fdf9a60065b 
Nucreo 446 + SSD1331 test version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /* mbed Microcontroller Library
kadonotakashi 0:8fdf9a60065b 2 * Copyright (c) 2006-2017 ARM Limited
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * Licensed under the Apache License, Version 2.0 (the "License");
kadonotakashi 0:8fdf9a60065b 5 * you may not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 6 * You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 9 *
kadonotakashi 0:8fdf9a60065b 10 * Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 11 * distributed under the License is distributed on an "AS IS" BASIS,
kadonotakashi 0:8fdf9a60065b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 13 * See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 14 * limitations under the License.
kadonotakashi 0:8fdf9a60065b 15 */
kadonotakashi 0:8fdf9a60065b 16
kadonotakashi 0:8fdf9a60065b 17 #if (DEVICE_SERIAL && DEVICE_INTERRUPTIN)
kadonotakashi 0:8fdf9a60065b 18
kadonotakashi 0:8fdf9a60065b 19 #include <errno.h>
kadonotakashi 0:8fdf9a60065b 20 #include "UARTSerial.h"
kadonotakashi 0:8fdf9a60065b 21 #include "platform/mbed_poll.h"
kadonotakashi 0:8fdf9a60065b 22
kadonotakashi 0:8fdf9a60065b 23 #if MBED_CONF_RTOS_PRESENT
kadonotakashi 0:8fdf9a60065b 24 #include "rtos/Thread.h"
kadonotakashi 0:8fdf9a60065b 25 #else
kadonotakashi 0:8fdf9a60065b 26 #include "platform/mbed_wait_api.h"
kadonotakashi 0:8fdf9a60065b 27 #endif
kadonotakashi 0:8fdf9a60065b 28
kadonotakashi 0:8fdf9a60065b 29 namespace mbed {
kadonotakashi 0:8fdf9a60065b 30
kadonotakashi 0:8fdf9a60065b 31 UARTSerial::UARTSerial(PinName tx, PinName rx, int baud) :
kadonotakashi 0:8fdf9a60065b 32 SerialBase(tx, rx, baud),
kadonotakashi 0:8fdf9a60065b 33 _blocking(true),
kadonotakashi 0:8fdf9a60065b 34 _tx_irq_enabled(false),
kadonotakashi 0:8fdf9a60065b 35 _rx_irq_enabled(true),
kadonotakashi 0:8fdf9a60065b 36 _dcd_irq(NULL)
kadonotakashi 0:8fdf9a60065b 37 {
kadonotakashi 0:8fdf9a60065b 38 /* Attatch IRQ routines to the serial device. */
kadonotakashi 0:8fdf9a60065b 39 SerialBase::attach(callback(this, &UARTSerial::rx_irq), RxIrq);
kadonotakashi 0:8fdf9a60065b 40 }
kadonotakashi 0:8fdf9a60065b 41
kadonotakashi 0:8fdf9a60065b 42 UARTSerial::~UARTSerial()
kadonotakashi 0:8fdf9a60065b 43 {
kadonotakashi 0:8fdf9a60065b 44 delete _dcd_irq;
kadonotakashi 0:8fdf9a60065b 45 }
kadonotakashi 0:8fdf9a60065b 46
kadonotakashi 0:8fdf9a60065b 47 void UARTSerial::dcd_irq()
kadonotakashi 0:8fdf9a60065b 48 {
kadonotakashi 0:8fdf9a60065b 49 wake();
kadonotakashi 0:8fdf9a60065b 50 }
kadonotakashi 0:8fdf9a60065b 51
kadonotakashi 0:8fdf9a60065b 52 void UARTSerial::set_baud(int baud)
kadonotakashi 0:8fdf9a60065b 53 {
kadonotakashi 0:8fdf9a60065b 54 SerialBase::baud(baud);
kadonotakashi 0:8fdf9a60065b 55 }
kadonotakashi 0:8fdf9a60065b 56
kadonotakashi 0:8fdf9a60065b 57 void UARTSerial::set_data_carrier_detect(PinName dcd_pin, bool active_high)
kadonotakashi 0:8fdf9a60065b 58 {
kadonotakashi 0:8fdf9a60065b 59 delete _dcd_irq;
kadonotakashi 0:8fdf9a60065b 60 _dcd_irq = NULL;
kadonotakashi 0:8fdf9a60065b 61
kadonotakashi 0:8fdf9a60065b 62 if (dcd_pin != NC) {
kadonotakashi 0:8fdf9a60065b 63 _dcd_irq = new InterruptIn(dcd_pin);
kadonotakashi 0:8fdf9a60065b 64 if (active_high) {
kadonotakashi 0:8fdf9a60065b 65 _dcd_irq->fall(callback(this, &UARTSerial::dcd_irq));
kadonotakashi 0:8fdf9a60065b 66 } else {
kadonotakashi 0:8fdf9a60065b 67 _dcd_irq->rise(callback(this, &UARTSerial::dcd_irq));
kadonotakashi 0:8fdf9a60065b 68 }
kadonotakashi 0:8fdf9a60065b 69 }
kadonotakashi 0:8fdf9a60065b 70 }
kadonotakashi 0:8fdf9a60065b 71
kadonotakashi 0:8fdf9a60065b 72 void UARTSerial::set_format(int bits, Parity parity, int stop_bits)
kadonotakashi 0:8fdf9a60065b 73 {
kadonotakashi 0:8fdf9a60065b 74 api_lock();
kadonotakashi 0:8fdf9a60065b 75 SerialBase::format(bits, parity, stop_bits);
kadonotakashi 0:8fdf9a60065b 76 api_unlock();
kadonotakashi 0:8fdf9a60065b 77 }
kadonotakashi 0:8fdf9a60065b 78
kadonotakashi 0:8fdf9a60065b 79 #if DEVICE_SERIAL_FC
kadonotakashi 0:8fdf9a60065b 80 void UARTSerial::set_flow_control(Flow type, PinName flow1, PinName flow2)
kadonotakashi 0:8fdf9a60065b 81 {
kadonotakashi 0:8fdf9a60065b 82 api_lock();
kadonotakashi 0:8fdf9a60065b 83 SerialBase::set_flow_control(type, flow1, flow2);
kadonotakashi 0:8fdf9a60065b 84 api_unlock();
kadonotakashi 0:8fdf9a60065b 85 }
kadonotakashi 0:8fdf9a60065b 86 #endif
kadonotakashi 0:8fdf9a60065b 87
kadonotakashi 0:8fdf9a60065b 88 int UARTSerial::close()
kadonotakashi 0:8fdf9a60065b 89 {
kadonotakashi 0:8fdf9a60065b 90 /* Does not let us pass a file descriptor. So how to close ?
kadonotakashi 0:8fdf9a60065b 91 * Also, does it make sense to close a device type file descriptor*/
kadonotakashi 0:8fdf9a60065b 92 return 0;
kadonotakashi 0:8fdf9a60065b 93 }
kadonotakashi 0:8fdf9a60065b 94
kadonotakashi 0:8fdf9a60065b 95 int UARTSerial::isatty()
kadonotakashi 0:8fdf9a60065b 96 {
kadonotakashi 0:8fdf9a60065b 97 return 1;
kadonotakashi 0:8fdf9a60065b 98
kadonotakashi 0:8fdf9a60065b 99 }
kadonotakashi 0:8fdf9a60065b 100
kadonotakashi 0:8fdf9a60065b 101 off_t UARTSerial::seek(off_t offset, int whence)
kadonotakashi 0:8fdf9a60065b 102 {
kadonotakashi 0:8fdf9a60065b 103 /*XXX lseek can be done theoratically, but is it sane to mark positions on a dynamically growing/shrinking
kadonotakashi 0:8fdf9a60065b 104 * buffer system (from an interrupt context) */
kadonotakashi 0:8fdf9a60065b 105 return -ESPIPE;
kadonotakashi 0:8fdf9a60065b 106 }
kadonotakashi 0:8fdf9a60065b 107
kadonotakashi 0:8fdf9a60065b 108 int UARTSerial::sync()
kadonotakashi 0:8fdf9a60065b 109 {
kadonotakashi 0:8fdf9a60065b 110 api_lock();
kadonotakashi 0:8fdf9a60065b 111
kadonotakashi 0:8fdf9a60065b 112 while (!_txbuf.empty()) {
kadonotakashi 0:8fdf9a60065b 113 api_unlock();
kadonotakashi 0:8fdf9a60065b 114 // Doing better than wait would require TxIRQ to also do wake() when becoming empty. Worth it?
kadonotakashi 0:8fdf9a60065b 115 wait_ms(1);
kadonotakashi 0:8fdf9a60065b 116 api_lock();
kadonotakashi 0:8fdf9a60065b 117 }
kadonotakashi 0:8fdf9a60065b 118
kadonotakashi 0:8fdf9a60065b 119 api_unlock();
kadonotakashi 0:8fdf9a60065b 120
kadonotakashi 0:8fdf9a60065b 121 return 0;
kadonotakashi 0:8fdf9a60065b 122 }
kadonotakashi 0:8fdf9a60065b 123
kadonotakashi 0:8fdf9a60065b 124 void UARTSerial::sigio(Callback<void()> func)
kadonotakashi 0:8fdf9a60065b 125 {
kadonotakashi 0:8fdf9a60065b 126 core_util_critical_section_enter();
kadonotakashi 0:8fdf9a60065b 127 _sigio_cb = func;
kadonotakashi 0:8fdf9a60065b 128 if (_sigio_cb) {
kadonotakashi 0:8fdf9a60065b 129 short current_events = poll(0x7FFF);
kadonotakashi 0:8fdf9a60065b 130 if (current_events) {
kadonotakashi 0:8fdf9a60065b 131 _sigio_cb();
kadonotakashi 0:8fdf9a60065b 132 }
kadonotakashi 0:8fdf9a60065b 133 }
kadonotakashi 0:8fdf9a60065b 134 core_util_critical_section_exit();
kadonotakashi 0:8fdf9a60065b 135 }
kadonotakashi 0:8fdf9a60065b 136
kadonotakashi 0:8fdf9a60065b 137 ssize_t UARTSerial::write(const void *buffer, size_t length)
kadonotakashi 0:8fdf9a60065b 138 {
kadonotakashi 0:8fdf9a60065b 139 size_t data_written = 0;
kadonotakashi 0:8fdf9a60065b 140 const char *buf_ptr = static_cast<const char *>(buffer);
kadonotakashi 0:8fdf9a60065b 141
kadonotakashi 0:8fdf9a60065b 142 if (length == 0) {
kadonotakashi 0:8fdf9a60065b 143 return 0;
kadonotakashi 0:8fdf9a60065b 144 }
kadonotakashi 0:8fdf9a60065b 145
kadonotakashi 0:8fdf9a60065b 146 api_lock();
kadonotakashi 0:8fdf9a60065b 147
kadonotakashi 0:8fdf9a60065b 148 // Unlike read, we should write the whole thing if blocking. POSIX only
kadonotakashi 0:8fdf9a60065b 149 // allows partial as a side-effect of signal handling; it normally tries to
kadonotakashi 0:8fdf9a60065b 150 // write everything if blocking. Without signals we can always write all.
kadonotakashi 0:8fdf9a60065b 151 while (data_written < length) {
kadonotakashi 0:8fdf9a60065b 152
kadonotakashi 0:8fdf9a60065b 153 if (_txbuf.full()) {
kadonotakashi 0:8fdf9a60065b 154 if (!_blocking) {
kadonotakashi 0:8fdf9a60065b 155 break;
kadonotakashi 0:8fdf9a60065b 156 }
kadonotakashi 0:8fdf9a60065b 157 do {
kadonotakashi 0:8fdf9a60065b 158 api_unlock();
kadonotakashi 0:8fdf9a60065b 159 wait_ms(1); // XXX todo - proper wait, WFE for non-rtos ?
kadonotakashi 0:8fdf9a60065b 160 api_lock();
kadonotakashi 0:8fdf9a60065b 161 } while (_txbuf.full());
kadonotakashi 0:8fdf9a60065b 162 }
kadonotakashi 0:8fdf9a60065b 163
kadonotakashi 0:8fdf9a60065b 164 while (data_written < length && !_txbuf.full()) {
kadonotakashi 0:8fdf9a60065b 165 _txbuf.push(*buf_ptr++);
kadonotakashi 0:8fdf9a60065b 166 data_written++;
kadonotakashi 0:8fdf9a60065b 167 }
kadonotakashi 0:8fdf9a60065b 168
kadonotakashi 0:8fdf9a60065b 169 core_util_critical_section_enter();
kadonotakashi 0:8fdf9a60065b 170 if (!_tx_irq_enabled) {
kadonotakashi 0:8fdf9a60065b 171 UARTSerial::tx_irq(); // only write to hardware in one place
kadonotakashi 0:8fdf9a60065b 172 if (!_txbuf.empty()) {
kadonotakashi 0:8fdf9a60065b 173 SerialBase::attach(callback(this, &UARTSerial::tx_irq), TxIrq);
kadonotakashi 0:8fdf9a60065b 174 _tx_irq_enabled = true;
kadonotakashi 0:8fdf9a60065b 175 }
kadonotakashi 0:8fdf9a60065b 176 }
kadonotakashi 0:8fdf9a60065b 177 core_util_critical_section_exit();
kadonotakashi 0:8fdf9a60065b 178 }
kadonotakashi 0:8fdf9a60065b 179
kadonotakashi 0:8fdf9a60065b 180 api_unlock();
kadonotakashi 0:8fdf9a60065b 181
kadonotakashi 0:8fdf9a60065b 182 return data_written != 0 ? (ssize_t) data_written : (ssize_t) - EAGAIN;
kadonotakashi 0:8fdf9a60065b 183 }
kadonotakashi 0:8fdf9a60065b 184
kadonotakashi 0:8fdf9a60065b 185 ssize_t UARTSerial::read(void *buffer, size_t length)
kadonotakashi 0:8fdf9a60065b 186 {
kadonotakashi 0:8fdf9a60065b 187 size_t data_read = 0;
kadonotakashi 0:8fdf9a60065b 188
kadonotakashi 0:8fdf9a60065b 189 char *ptr = static_cast<char *>(buffer);
kadonotakashi 0:8fdf9a60065b 190
kadonotakashi 0:8fdf9a60065b 191 if (length == 0) {
kadonotakashi 0:8fdf9a60065b 192 return 0;
kadonotakashi 0:8fdf9a60065b 193 }
kadonotakashi 0:8fdf9a60065b 194
kadonotakashi 0:8fdf9a60065b 195 api_lock();
kadonotakashi 0:8fdf9a60065b 196
kadonotakashi 0:8fdf9a60065b 197 while (_rxbuf.empty()) {
kadonotakashi 0:8fdf9a60065b 198 if (!_blocking) {
kadonotakashi 0:8fdf9a60065b 199 api_unlock();
kadonotakashi 0:8fdf9a60065b 200 return -EAGAIN;
kadonotakashi 0:8fdf9a60065b 201 }
kadonotakashi 0:8fdf9a60065b 202 api_unlock();
kadonotakashi 0:8fdf9a60065b 203 wait_ms(1); // XXX todo - proper wait, WFE for non-rtos ?
kadonotakashi 0:8fdf9a60065b 204 api_lock();
kadonotakashi 0:8fdf9a60065b 205 }
kadonotakashi 0:8fdf9a60065b 206
kadonotakashi 0:8fdf9a60065b 207 while (data_read < length && !_rxbuf.empty()) {
kadonotakashi 0:8fdf9a60065b 208 _rxbuf.pop(*ptr++);
kadonotakashi 0:8fdf9a60065b 209 data_read++;
kadonotakashi 0:8fdf9a60065b 210 }
kadonotakashi 0:8fdf9a60065b 211
kadonotakashi 0:8fdf9a60065b 212 core_util_critical_section_enter();
kadonotakashi 0:8fdf9a60065b 213 if (!_rx_irq_enabled) {
kadonotakashi 0:8fdf9a60065b 214 UARTSerial::rx_irq(); // only read from hardware in one place
kadonotakashi 0:8fdf9a60065b 215 if (!_rxbuf.full()) {
kadonotakashi 0:8fdf9a60065b 216 SerialBase::attach(callback(this, &UARTSerial::rx_irq), RxIrq);
kadonotakashi 0:8fdf9a60065b 217 _rx_irq_enabled = true;
kadonotakashi 0:8fdf9a60065b 218 }
kadonotakashi 0:8fdf9a60065b 219 }
kadonotakashi 0:8fdf9a60065b 220 core_util_critical_section_exit();
kadonotakashi 0:8fdf9a60065b 221
kadonotakashi 0:8fdf9a60065b 222 api_unlock();
kadonotakashi 0:8fdf9a60065b 223
kadonotakashi 0:8fdf9a60065b 224 return data_read;
kadonotakashi 0:8fdf9a60065b 225 }
kadonotakashi 0:8fdf9a60065b 226
kadonotakashi 0:8fdf9a60065b 227 bool UARTSerial::hup() const
kadonotakashi 0:8fdf9a60065b 228 {
kadonotakashi 0:8fdf9a60065b 229 return _dcd_irq && _dcd_irq->read() != 0;
kadonotakashi 0:8fdf9a60065b 230 }
kadonotakashi 0:8fdf9a60065b 231
kadonotakashi 0:8fdf9a60065b 232 void UARTSerial::wake()
kadonotakashi 0:8fdf9a60065b 233 {
kadonotakashi 0:8fdf9a60065b 234 if (_sigio_cb) {
kadonotakashi 0:8fdf9a60065b 235 _sigio_cb();
kadonotakashi 0:8fdf9a60065b 236 }
kadonotakashi 0:8fdf9a60065b 237 }
kadonotakashi 0:8fdf9a60065b 238
kadonotakashi 0:8fdf9a60065b 239 short UARTSerial::poll(short events) const
kadonotakashi 0:8fdf9a60065b 240 {
kadonotakashi 0:8fdf9a60065b 241
kadonotakashi 0:8fdf9a60065b 242 short revents = 0;
kadonotakashi 0:8fdf9a60065b 243 /* Check the Circular Buffer if space available for writing out */
kadonotakashi 0:8fdf9a60065b 244
kadonotakashi 0:8fdf9a60065b 245
kadonotakashi 0:8fdf9a60065b 246 if (!_rxbuf.empty()) {
kadonotakashi 0:8fdf9a60065b 247 revents |= POLLIN;
kadonotakashi 0:8fdf9a60065b 248 }
kadonotakashi 0:8fdf9a60065b 249
kadonotakashi 0:8fdf9a60065b 250 /* POLLHUP and POLLOUT are mutually exclusive */
kadonotakashi 0:8fdf9a60065b 251 if (hup()) {
kadonotakashi 0:8fdf9a60065b 252 revents |= POLLHUP;
kadonotakashi 0:8fdf9a60065b 253 } else if (!_txbuf.full()) {
kadonotakashi 0:8fdf9a60065b 254 revents |= POLLOUT;
kadonotakashi 0:8fdf9a60065b 255 }
kadonotakashi 0:8fdf9a60065b 256
kadonotakashi 0:8fdf9a60065b 257 /*TODO Handle other event types */
kadonotakashi 0:8fdf9a60065b 258
kadonotakashi 0:8fdf9a60065b 259 return revents;
kadonotakashi 0:8fdf9a60065b 260 }
kadonotakashi 0:8fdf9a60065b 261
kadonotakashi 0:8fdf9a60065b 262 void UARTSerial::lock()
kadonotakashi 0:8fdf9a60065b 263 {
kadonotakashi 0:8fdf9a60065b 264 // This is the override for SerialBase.
kadonotakashi 0:8fdf9a60065b 265 // No lock required as we only use SerialBase from interrupt or from
kadonotakashi 0:8fdf9a60065b 266 // inside our own critical section.
kadonotakashi 0:8fdf9a60065b 267 }
kadonotakashi 0:8fdf9a60065b 268
kadonotakashi 0:8fdf9a60065b 269 void UARTSerial::unlock()
kadonotakashi 0:8fdf9a60065b 270 {
kadonotakashi 0:8fdf9a60065b 271 // This is the override for SerialBase.
kadonotakashi 0:8fdf9a60065b 272 }
kadonotakashi 0:8fdf9a60065b 273
kadonotakashi 0:8fdf9a60065b 274 void UARTSerial::api_lock(void)
kadonotakashi 0:8fdf9a60065b 275 {
kadonotakashi 0:8fdf9a60065b 276 _mutex.lock();
kadonotakashi 0:8fdf9a60065b 277 }
kadonotakashi 0:8fdf9a60065b 278
kadonotakashi 0:8fdf9a60065b 279 void UARTSerial::api_unlock(void)
kadonotakashi 0:8fdf9a60065b 280 {
kadonotakashi 0:8fdf9a60065b 281 _mutex.unlock();
kadonotakashi 0:8fdf9a60065b 282 }
kadonotakashi 0:8fdf9a60065b 283
kadonotakashi 0:8fdf9a60065b 284 void UARTSerial::rx_irq(void)
kadonotakashi 0:8fdf9a60065b 285 {
kadonotakashi 0:8fdf9a60065b 286 bool was_empty = _rxbuf.empty();
kadonotakashi 0:8fdf9a60065b 287
kadonotakashi 0:8fdf9a60065b 288 /* Fill in the receive buffer if the peripheral is readable
kadonotakashi 0:8fdf9a60065b 289 * and receive buffer is not full. */
kadonotakashi 0:8fdf9a60065b 290 while (!_rxbuf.full() && SerialBase::readable()) {
kadonotakashi 0:8fdf9a60065b 291 char data = SerialBase::_base_getc();
kadonotakashi 0:8fdf9a60065b 292 _rxbuf.push(data);
kadonotakashi 0:8fdf9a60065b 293 }
kadonotakashi 0:8fdf9a60065b 294
kadonotakashi 0:8fdf9a60065b 295 if (_rx_irq_enabled && _rxbuf.full()) {
kadonotakashi 0:8fdf9a60065b 296 SerialBase::attach(NULL, RxIrq);
kadonotakashi 0:8fdf9a60065b 297 _rx_irq_enabled = false;
kadonotakashi 0:8fdf9a60065b 298 }
kadonotakashi 0:8fdf9a60065b 299
kadonotakashi 0:8fdf9a60065b 300 /* Report the File handler that data is ready to be read from the buffer. */
kadonotakashi 0:8fdf9a60065b 301 if (was_empty && !_rxbuf.empty()) {
kadonotakashi 0:8fdf9a60065b 302 wake();
kadonotakashi 0:8fdf9a60065b 303 }
kadonotakashi 0:8fdf9a60065b 304 }
kadonotakashi 0:8fdf9a60065b 305
kadonotakashi 0:8fdf9a60065b 306 // Also called from write to start transfer
kadonotakashi 0:8fdf9a60065b 307 void UARTSerial::tx_irq(void)
kadonotakashi 0:8fdf9a60065b 308 {
kadonotakashi 0:8fdf9a60065b 309 bool was_full = _txbuf.full();
kadonotakashi 0:8fdf9a60065b 310 char data;
kadonotakashi 0:8fdf9a60065b 311
kadonotakashi 0:8fdf9a60065b 312 /* Write to the peripheral if there is something to write
kadonotakashi 0:8fdf9a60065b 313 * and if the peripheral is available to write. */
kadonotakashi 0:8fdf9a60065b 314 while (SerialBase::writeable() && _txbuf.pop(data)) {
kadonotakashi 0:8fdf9a60065b 315 SerialBase::_base_putc(data);
kadonotakashi 0:8fdf9a60065b 316 }
kadonotakashi 0:8fdf9a60065b 317
kadonotakashi 0:8fdf9a60065b 318 if (_tx_irq_enabled && _txbuf.empty()) {
kadonotakashi 0:8fdf9a60065b 319 SerialBase::attach(NULL, TxIrq);
kadonotakashi 0:8fdf9a60065b 320 _tx_irq_enabled = false;
kadonotakashi 0:8fdf9a60065b 321 }
kadonotakashi 0:8fdf9a60065b 322
kadonotakashi 0:8fdf9a60065b 323 /* Report the File handler that data can be written to peripheral. */
kadonotakashi 0:8fdf9a60065b 324 if (was_full && !_txbuf.full() && !hup()) {
kadonotakashi 0:8fdf9a60065b 325 wake();
kadonotakashi 0:8fdf9a60065b 326 }
kadonotakashi 0:8fdf9a60065b 327 }
kadonotakashi 0:8fdf9a60065b 328
kadonotakashi 0:8fdf9a60065b 329 void UARTSerial::wait_ms(uint32_t millisec)
kadonotakashi 0:8fdf9a60065b 330 {
kadonotakashi 0:8fdf9a60065b 331 /* wait_ms implementation for RTOS spins until exact microseconds - we
kadonotakashi 0:8fdf9a60065b 332 * want to just sleep until next tick.
kadonotakashi 0:8fdf9a60065b 333 */
kadonotakashi 0:8fdf9a60065b 334 #if MBED_CONF_RTOS_PRESENT
kadonotakashi 0:8fdf9a60065b 335 rtos::Thread::wait(millisec);
kadonotakashi 0:8fdf9a60065b 336 #else
kadonotakashi 0:8fdf9a60065b 337 ::wait_ms(millisec);
kadonotakashi 0:8fdf9a60065b 338 #endif
kadonotakashi 0:8fdf9a60065b 339 }
kadonotakashi 0:8fdf9a60065b 340 } //namespace mbed
kadonotakashi 0:8fdf9a60065b 341
kadonotakashi 0:8fdf9a60065b 342 #endif //(DEVICE_SERIAL && DEVICE_INTERRUPTIN)