![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
mbed-os/drivers/SerialBase.cpp@0:8fdf9a60065b, 2018-10-10 (annotated)
- Committer:
- kadonotakashi
- Date:
- Wed Oct 10 00:33:53 2018 +0000
- Revision:
- 0:8fdf9a60065b
how to make mbed librry
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kadonotakashi | 0:8fdf9a60065b | 1 | /* mbed Microcontroller Library |
kadonotakashi | 0:8fdf9a60065b | 2 | * Copyright (c) 2006-2013 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 | #include "drivers/SerialBase.h" |
kadonotakashi | 0:8fdf9a60065b | 17 | #include "platform/mbed_wait_api.h" |
kadonotakashi | 0:8fdf9a60065b | 18 | #include "platform/mbed_critical.h" |
kadonotakashi | 0:8fdf9a60065b | 19 | #include "platform/mbed_power_mgmt.h" |
kadonotakashi | 0:8fdf9a60065b | 20 | |
kadonotakashi | 0:8fdf9a60065b | 21 | #if DEVICE_SERIAL |
kadonotakashi | 0:8fdf9a60065b | 22 | |
kadonotakashi | 0:8fdf9a60065b | 23 | namespace mbed { |
kadonotakashi | 0:8fdf9a60065b | 24 | |
kadonotakashi | 0:8fdf9a60065b | 25 | SerialBase::SerialBase(PinName tx, PinName rx, int baud) : |
kadonotakashi | 0:8fdf9a60065b | 26 | #if DEVICE_SERIAL_ASYNCH |
kadonotakashi | 0:8fdf9a60065b | 27 | _thunk_irq(this), _tx_usage(DMA_USAGE_NEVER), |
kadonotakashi | 0:8fdf9a60065b | 28 | _rx_usage(DMA_USAGE_NEVER), _tx_callback(NULL), |
kadonotakashi | 0:8fdf9a60065b | 29 | _rx_callback(NULL), |
kadonotakashi | 0:8fdf9a60065b | 30 | #endif |
kadonotakashi | 0:8fdf9a60065b | 31 | _serial(), _baud(baud) |
kadonotakashi | 0:8fdf9a60065b | 32 | { |
kadonotakashi | 0:8fdf9a60065b | 33 | // No lock needed in the constructor |
kadonotakashi | 0:8fdf9a60065b | 34 | |
kadonotakashi | 0:8fdf9a60065b | 35 | for (size_t i = 0; i < sizeof _irq / sizeof _irq[0]; i++) { |
kadonotakashi | 0:8fdf9a60065b | 36 | _irq[i] = NULL; |
kadonotakashi | 0:8fdf9a60065b | 37 | } |
kadonotakashi | 0:8fdf9a60065b | 38 | |
kadonotakashi | 0:8fdf9a60065b | 39 | serial_init(&_serial, tx, rx); |
kadonotakashi | 0:8fdf9a60065b | 40 | serial_baud(&_serial, _baud); |
kadonotakashi | 0:8fdf9a60065b | 41 | serial_irq_handler(&_serial, SerialBase::_irq_handler, (uint32_t)this); |
kadonotakashi | 0:8fdf9a60065b | 42 | } |
kadonotakashi | 0:8fdf9a60065b | 43 | |
kadonotakashi | 0:8fdf9a60065b | 44 | void SerialBase::baud(int baudrate) |
kadonotakashi | 0:8fdf9a60065b | 45 | { |
kadonotakashi | 0:8fdf9a60065b | 46 | lock(); |
kadonotakashi | 0:8fdf9a60065b | 47 | serial_baud(&_serial, baudrate); |
kadonotakashi | 0:8fdf9a60065b | 48 | _baud = baudrate; |
kadonotakashi | 0:8fdf9a60065b | 49 | unlock(); |
kadonotakashi | 0:8fdf9a60065b | 50 | } |
kadonotakashi | 0:8fdf9a60065b | 51 | |
kadonotakashi | 0:8fdf9a60065b | 52 | void SerialBase::format(int bits, Parity parity, int stop_bits) |
kadonotakashi | 0:8fdf9a60065b | 53 | { |
kadonotakashi | 0:8fdf9a60065b | 54 | lock(); |
kadonotakashi | 0:8fdf9a60065b | 55 | serial_format(&_serial, bits, (SerialParity)parity, stop_bits); |
kadonotakashi | 0:8fdf9a60065b | 56 | unlock(); |
kadonotakashi | 0:8fdf9a60065b | 57 | } |
kadonotakashi | 0:8fdf9a60065b | 58 | |
kadonotakashi | 0:8fdf9a60065b | 59 | int SerialBase::readable() |
kadonotakashi | 0:8fdf9a60065b | 60 | { |
kadonotakashi | 0:8fdf9a60065b | 61 | lock(); |
kadonotakashi | 0:8fdf9a60065b | 62 | int ret = serial_readable(&_serial); |
kadonotakashi | 0:8fdf9a60065b | 63 | unlock(); |
kadonotakashi | 0:8fdf9a60065b | 64 | return ret; |
kadonotakashi | 0:8fdf9a60065b | 65 | } |
kadonotakashi | 0:8fdf9a60065b | 66 | |
kadonotakashi | 0:8fdf9a60065b | 67 | |
kadonotakashi | 0:8fdf9a60065b | 68 | int SerialBase::writeable() |
kadonotakashi | 0:8fdf9a60065b | 69 | { |
kadonotakashi | 0:8fdf9a60065b | 70 | lock(); |
kadonotakashi | 0:8fdf9a60065b | 71 | int ret = serial_writable(&_serial); |
kadonotakashi | 0:8fdf9a60065b | 72 | unlock(); |
kadonotakashi | 0:8fdf9a60065b | 73 | return ret; |
kadonotakashi | 0:8fdf9a60065b | 74 | } |
kadonotakashi | 0:8fdf9a60065b | 75 | |
kadonotakashi | 0:8fdf9a60065b | 76 | void SerialBase::attach(Callback<void()> func, IrqType type) |
kadonotakashi | 0:8fdf9a60065b | 77 | { |
kadonotakashi | 0:8fdf9a60065b | 78 | lock(); |
kadonotakashi | 0:8fdf9a60065b | 79 | // Disable interrupts when attaching interrupt handler |
kadonotakashi | 0:8fdf9a60065b | 80 | core_util_critical_section_enter(); |
kadonotakashi | 0:8fdf9a60065b | 81 | if (func) { |
kadonotakashi | 0:8fdf9a60065b | 82 | // lock deep sleep only the first time |
kadonotakashi | 0:8fdf9a60065b | 83 | if (!_irq[type]) { |
kadonotakashi | 0:8fdf9a60065b | 84 | sleep_manager_lock_deep_sleep(); |
kadonotakashi | 0:8fdf9a60065b | 85 | } |
kadonotakashi | 0:8fdf9a60065b | 86 | _irq[type] = func; |
kadonotakashi | 0:8fdf9a60065b | 87 | serial_irq_set(&_serial, (SerialIrq)type, 1); |
kadonotakashi | 0:8fdf9a60065b | 88 | } else { |
kadonotakashi | 0:8fdf9a60065b | 89 | // unlock deep sleep only the first time |
kadonotakashi | 0:8fdf9a60065b | 90 | if (_irq[type]) { |
kadonotakashi | 0:8fdf9a60065b | 91 | sleep_manager_unlock_deep_sleep(); |
kadonotakashi | 0:8fdf9a60065b | 92 | } |
kadonotakashi | 0:8fdf9a60065b | 93 | _irq[type] = NULL; |
kadonotakashi | 0:8fdf9a60065b | 94 | serial_irq_set(&_serial, (SerialIrq)type, 0); |
kadonotakashi | 0:8fdf9a60065b | 95 | } |
kadonotakashi | 0:8fdf9a60065b | 96 | core_util_critical_section_exit(); |
kadonotakashi | 0:8fdf9a60065b | 97 | unlock(); |
kadonotakashi | 0:8fdf9a60065b | 98 | } |
kadonotakashi | 0:8fdf9a60065b | 99 | |
kadonotakashi | 0:8fdf9a60065b | 100 | void SerialBase::_irq_handler(uint32_t id, SerialIrq irq_type) |
kadonotakashi | 0:8fdf9a60065b | 101 | { |
kadonotakashi | 0:8fdf9a60065b | 102 | SerialBase *handler = (SerialBase *)id; |
kadonotakashi | 0:8fdf9a60065b | 103 | if (handler->_irq[irq_type]) { |
kadonotakashi | 0:8fdf9a60065b | 104 | handler->_irq[irq_type](); |
kadonotakashi | 0:8fdf9a60065b | 105 | } |
kadonotakashi | 0:8fdf9a60065b | 106 | } |
kadonotakashi | 0:8fdf9a60065b | 107 | |
kadonotakashi | 0:8fdf9a60065b | 108 | int SerialBase::_base_getc() |
kadonotakashi | 0:8fdf9a60065b | 109 | { |
kadonotakashi | 0:8fdf9a60065b | 110 | // Mutex is already held |
kadonotakashi | 0:8fdf9a60065b | 111 | return serial_getc(&_serial); |
kadonotakashi | 0:8fdf9a60065b | 112 | } |
kadonotakashi | 0:8fdf9a60065b | 113 | |
kadonotakashi | 0:8fdf9a60065b | 114 | int SerialBase::_base_putc(int c) |
kadonotakashi | 0:8fdf9a60065b | 115 | { |
kadonotakashi | 0:8fdf9a60065b | 116 | // Mutex is already held |
kadonotakashi | 0:8fdf9a60065b | 117 | serial_putc(&_serial, c); |
kadonotakashi | 0:8fdf9a60065b | 118 | return c; |
kadonotakashi | 0:8fdf9a60065b | 119 | } |
kadonotakashi | 0:8fdf9a60065b | 120 | |
kadonotakashi | 0:8fdf9a60065b | 121 | void SerialBase::send_break() |
kadonotakashi | 0:8fdf9a60065b | 122 | { |
kadonotakashi | 0:8fdf9a60065b | 123 | lock(); |
kadonotakashi | 0:8fdf9a60065b | 124 | // Wait for 1.5 frames before clearing the break condition |
kadonotakashi | 0:8fdf9a60065b | 125 | // This will have different effects on our platforms, but should |
kadonotakashi | 0:8fdf9a60065b | 126 | // ensure that we keep the break active for at least one frame. |
kadonotakashi | 0:8fdf9a60065b | 127 | // We consider a full frame (1 start bit + 8 data bits bits + |
kadonotakashi | 0:8fdf9a60065b | 128 | // 1 parity bit + 2 stop bits = 12 bits) for computation. |
kadonotakashi | 0:8fdf9a60065b | 129 | // One bit time (in us) = 1000000/_baud |
kadonotakashi | 0:8fdf9a60065b | 130 | // Twelve bits: 12000000/baud delay |
kadonotakashi | 0:8fdf9a60065b | 131 | // 1.5 frames: 18000000/baud delay |
kadonotakashi | 0:8fdf9a60065b | 132 | serial_break_set(&_serial); |
kadonotakashi | 0:8fdf9a60065b | 133 | wait_us(18000000 / _baud); |
kadonotakashi | 0:8fdf9a60065b | 134 | serial_break_clear(&_serial); |
kadonotakashi | 0:8fdf9a60065b | 135 | unlock(); |
kadonotakashi | 0:8fdf9a60065b | 136 | } |
kadonotakashi | 0:8fdf9a60065b | 137 | |
kadonotakashi | 0:8fdf9a60065b | 138 | void SerialBase::lock() |
kadonotakashi | 0:8fdf9a60065b | 139 | { |
kadonotakashi | 0:8fdf9a60065b | 140 | // Stub |
kadonotakashi | 0:8fdf9a60065b | 141 | } |
kadonotakashi | 0:8fdf9a60065b | 142 | |
kadonotakashi | 0:8fdf9a60065b | 143 | void SerialBase:: unlock() |
kadonotakashi | 0:8fdf9a60065b | 144 | { |
kadonotakashi | 0:8fdf9a60065b | 145 | // Stub |
kadonotakashi | 0:8fdf9a60065b | 146 | } |
kadonotakashi | 0:8fdf9a60065b | 147 | |
kadonotakashi | 0:8fdf9a60065b | 148 | SerialBase::~SerialBase() |
kadonotakashi | 0:8fdf9a60065b | 149 | { |
kadonotakashi | 0:8fdf9a60065b | 150 | // No lock needed in destructor |
kadonotakashi | 0:8fdf9a60065b | 151 | |
kadonotakashi | 0:8fdf9a60065b | 152 | // Detaching interrupts releases the sleep lock if it was locked |
kadonotakashi | 0:8fdf9a60065b | 153 | for (int irq = 0; irq < IrqCnt; irq++) { |
kadonotakashi | 0:8fdf9a60065b | 154 | attach(NULL, (IrqType)irq); |
kadonotakashi | 0:8fdf9a60065b | 155 | } |
kadonotakashi | 0:8fdf9a60065b | 156 | } |
kadonotakashi | 0:8fdf9a60065b | 157 | |
kadonotakashi | 0:8fdf9a60065b | 158 | #if DEVICE_SERIAL_FC |
kadonotakashi | 0:8fdf9a60065b | 159 | void SerialBase::set_flow_control(Flow type, PinName flow1, PinName flow2) |
kadonotakashi | 0:8fdf9a60065b | 160 | { |
kadonotakashi | 0:8fdf9a60065b | 161 | lock(); |
kadonotakashi | 0:8fdf9a60065b | 162 | FlowControl flow_type = (FlowControl)type; |
kadonotakashi | 0:8fdf9a60065b | 163 | switch (type) { |
kadonotakashi | 0:8fdf9a60065b | 164 | case RTS: |
kadonotakashi | 0:8fdf9a60065b | 165 | serial_set_flow_control(&_serial, flow_type, flow1, NC); |
kadonotakashi | 0:8fdf9a60065b | 166 | break; |
kadonotakashi | 0:8fdf9a60065b | 167 | |
kadonotakashi | 0:8fdf9a60065b | 168 | case CTS: |
kadonotakashi | 0:8fdf9a60065b | 169 | serial_set_flow_control(&_serial, flow_type, NC, flow1); |
kadonotakashi | 0:8fdf9a60065b | 170 | break; |
kadonotakashi | 0:8fdf9a60065b | 171 | |
kadonotakashi | 0:8fdf9a60065b | 172 | case RTSCTS: |
kadonotakashi | 0:8fdf9a60065b | 173 | case Disabled: |
kadonotakashi | 0:8fdf9a60065b | 174 | serial_set_flow_control(&_serial, flow_type, flow1, flow2); |
kadonotakashi | 0:8fdf9a60065b | 175 | break; |
kadonotakashi | 0:8fdf9a60065b | 176 | |
kadonotakashi | 0:8fdf9a60065b | 177 | default: |
kadonotakashi | 0:8fdf9a60065b | 178 | break; |
kadonotakashi | 0:8fdf9a60065b | 179 | } |
kadonotakashi | 0:8fdf9a60065b | 180 | unlock(); |
kadonotakashi | 0:8fdf9a60065b | 181 | } |
kadonotakashi | 0:8fdf9a60065b | 182 | #endif |
kadonotakashi | 0:8fdf9a60065b | 183 | |
kadonotakashi | 0:8fdf9a60065b | 184 | #if DEVICE_SERIAL_ASYNCH |
kadonotakashi | 0:8fdf9a60065b | 185 | |
kadonotakashi | 0:8fdf9a60065b | 186 | int SerialBase::write(const uint8_t *buffer, int length, const event_callback_t &callback, int event) |
kadonotakashi | 0:8fdf9a60065b | 187 | { |
kadonotakashi | 0:8fdf9a60065b | 188 | if (serial_tx_active(&_serial)) { |
kadonotakashi | 0:8fdf9a60065b | 189 | return -1; // transaction ongoing |
kadonotakashi | 0:8fdf9a60065b | 190 | } |
kadonotakashi | 0:8fdf9a60065b | 191 | start_write((void *)buffer, length, 8, callback, event); |
kadonotakashi | 0:8fdf9a60065b | 192 | return 0; |
kadonotakashi | 0:8fdf9a60065b | 193 | } |
kadonotakashi | 0:8fdf9a60065b | 194 | |
kadonotakashi | 0:8fdf9a60065b | 195 | int SerialBase::write(const uint16_t *buffer, int length, const event_callback_t &callback, int event) |
kadonotakashi | 0:8fdf9a60065b | 196 | { |
kadonotakashi | 0:8fdf9a60065b | 197 | if (serial_tx_active(&_serial)) { |
kadonotakashi | 0:8fdf9a60065b | 198 | return -1; // transaction ongoing |
kadonotakashi | 0:8fdf9a60065b | 199 | } |
kadonotakashi | 0:8fdf9a60065b | 200 | start_write((void *)buffer, length, 16, callback, event); |
kadonotakashi | 0:8fdf9a60065b | 201 | return 0; |
kadonotakashi | 0:8fdf9a60065b | 202 | } |
kadonotakashi | 0:8fdf9a60065b | 203 | |
kadonotakashi | 0:8fdf9a60065b | 204 | void SerialBase::start_write(const void *buffer, int buffer_size, char buffer_width, const event_callback_t &callback, int event) |
kadonotakashi | 0:8fdf9a60065b | 205 | { |
kadonotakashi | 0:8fdf9a60065b | 206 | _tx_callback = callback; |
kadonotakashi | 0:8fdf9a60065b | 207 | |
kadonotakashi | 0:8fdf9a60065b | 208 | _thunk_irq.callback(&SerialBase::interrupt_handler_asynch); |
kadonotakashi | 0:8fdf9a60065b | 209 | sleep_manager_lock_deep_sleep(); |
kadonotakashi | 0:8fdf9a60065b | 210 | serial_tx_asynch(&_serial, buffer, buffer_size, buffer_width, _thunk_irq.entry(), event, _tx_usage); |
kadonotakashi | 0:8fdf9a60065b | 211 | } |
kadonotakashi | 0:8fdf9a60065b | 212 | |
kadonotakashi | 0:8fdf9a60065b | 213 | void SerialBase::abort_write(void) |
kadonotakashi | 0:8fdf9a60065b | 214 | { |
kadonotakashi | 0:8fdf9a60065b | 215 | // rx might still be active |
kadonotakashi | 0:8fdf9a60065b | 216 | if (_rx_callback) { |
kadonotakashi | 0:8fdf9a60065b | 217 | sleep_manager_unlock_deep_sleep(); |
kadonotakashi | 0:8fdf9a60065b | 218 | } |
kadonotakashi | 0:8fdf9a60065b | 219 | _tx_callback = NULL; |
kadonotakashi | 0:8fdf9a60065b | 220 | serial_tx_abort_asynch(&_serial); |
kadonotakashi | 0:8fdf9a60065b | 221 | } |
kadonotakashi | 0:8fdf9a60065b | 222 | |
kadonotakashi | 0:8fdf9a60065b | 223 | void SerialBase::abort_read(void) |
kadonotakashi | 0:8fdf9a60065b | 224 | { |
kadonotakashi | 0:8fdf9a60065b | 225 | // tx might still be active |
kadonotakashi | 0:8fdf9a60065b | 226 | if (_tx_callback) { |
kadonotakashi | 0:8fdf9a60065b | 227 | sleep_manager_unlock_deep_sleep(); |
kadonotakashi | 0:8fdf9a60065b | 228 | } |
kadonotakashi | 0:8fdf9a60065b | 229 | _rx_callback = NULL; |
kadonotakashi | 0:8fdf9a60065b | 230 | serial_rx_abort_asynch(&_serial); |
kadonotakashi | 0:8fdf9a60065b | 231 | } |
kadonotakashi | 0:8fdf9a60065b | 232 | |
kadonotakashi | 0:8fdf9a60065b | 233 | int SerialBase::set_dma_usage_tx(DMAUsage usage) |
kadonotakashi | 0:8fdf9a60065b | 234 | { |
kadonotakashi | 0:8fdf9a60065b | 235 | if (serial_tx_active(&_serial)) { |
kadonotakashi | 0:8fdf9a60065b | 236 | return -1; |
kadonotakashi | 0:8fdf9a60065b | 237 | } |
kadonotakashi | 0:8fdf9a60065b | 238 | _tx_usage = usage; |
kadonotakashi | 0:8fdf9a60065b | 239 | return 0; |
kadonotakashi | 0:8fdf9a60065b | 240 | } |
kadonotakashi | 0:8fdf9a60065b | 241 | |
kadonotakashi | 0:8fdf9a60065b | 242 | int SerialBase::set_dma_usage_rx(DMAUsage usage) |
kadonotakashi | 0:8fdf9a60065b | 243 | { |
kadonotakashi | 0:8fdf9a60065b | 244 | if (serial_tx_active(&_serial)) { |
kadonotakashi | 0:8fdf9a60065b | 245 | return -1; |
kadonotakashi | 0:8fdf9a60065b | 246 | } |
kadonotakashi | 0:8fdf9a60065b | 247 | _rx_usage = usage; |
kadonotakashi | 0:8fdf9a60065b | 248 | return 0; |
kadonotakashi | 0:8fdf9a60065b | 249 | } |
kadonotakashi | 0:8fdf9a60065b | 250 | |
kadonotakashi | 0:8fdf9a60065b | 251 | int SerialBase::read(uint8_t *buffer, int length, const event_callback_t &callback, int event, unsigned char char_match) |
kadonotakashi | 0:8fdf9a60065b | 252 | { |
kadonotakashi | 0:8fdf9a60065b | 253 | if (serial_rx_active(&_serial)) { |
kadonotakashi | 0:8fdf9a60065b | 254 | return -1; // transaction ongoing |
kadonotakashi | 0:8fdf9a60065b | 255 | } |
kadonotakashi | 0:8fdf9a60065b | 256 | start_read((void *)buffer, length, 8, callback, event, char_match); |
kadonotakashi | 0:8fdf9a60065b | 257 | return 0; |
kadonotakashi | 0:8fdf9a60065b | 258 | } |
kadonotakashi | 0:8fdf9a60065b | 259 | |
kadonotakashi | 0:8fdf9a60065b | 260 | |
kadonotakashi | 0:8fdf9a60065b | 261 | int SerialBase::read(uint16_t *buffer, int length, const event_callback_t &callback, int event, unsigned char char_match) |
kadonotakashi | 0:8fdf9a60065b | 262 | { |
kadonotakashi | 0:8fdf9a60065b | 263 | if (serial_rx_active(&_serial)) { |
kadonotakashi | 0:8fdf9a60065b | 264 | return -1; // transaction ongoing |
kadonotakashi | 0:8fdf9a60065b | 265 | } |
kadonotakashi | 0:8fdf9a60065b | 266 | start_read((void *)buffer, length, 16, callback, event, char_match); |
kadonotakashi | 0:8fdf9a60065b | 267 | return 0; |
kadonotakashi | 0:8fdf9a60065b | 268 | } |
kadonotakashi | 0:8fdf9a60065b | 269 | |
kadonotakashi | 0:8fdf9a60065b | 270 | |
kadonotakashi | 0:8fdf9a60065b | 271 | void SerialBase::start_read(void *buffer, int buffer_size, char buffer_width, const event_callback_t &callback, int event, unsigned char char_match) |
kadonotakashi | 0:8fdf9a60065b | 272 | { |
kadonotakashi | 0:8fdf9a60065b | 273 | _rx_callback = callback; |
kadonotakashi | 0:8fdf9a60065b | 274 | _thunk_irq.callback(&SerialBase::interrupt_handler_asynch); |
kadonotakashi | 0:8fdf9a60065b | 275 | sleep_manager_lock_deep_sleep(); |
kadonotakashi | 0:8fdf9a60065b | 276 | serial_rx_asynch(&_serial, buffer, buffer_size, buffer_width, _thunk_irq.entry(), event, char_match, _rx_usage); |
kadonotakashi | 0:8fdf9a60065b | 277 | } |
kadonotakashi | 0:8fdf9a60065b | 278 | |
kadonotakashi | 0:8fdf9a60065b | 279 | void SerialBase::interrupt_handler_asynch(void) |
kadonotakashi | 0:8fdf9a60065b | 280 | { |
kadonotakashi | 0:8fdf9a60065b | 281 | int event = serial_irq_handler_asynch(&_serial); |
kadonotakashi | 0:8fdf9a60065b | 282 | int rx_event = event & SERIAL_EVENT_RX_MASK; |
kadonotakashi | 0:8fdf9a60065b | 283 | bool unlock_deepsleep = false; |
kadonotakashi | 0:8fdf9a60065b | 284 | |
kadonotakashi | 0:8fdf9a60065b | 285 | if (_rx_callback && rx_event) { |
kadonotakashi | 0:8fdf9a60065b | 286 | unlock_deepsleep = true; |
kadonotakashi | 0:8fdf9a60065b | 287 | _rx_callback.call(rx_event); |
kadonotakashi | 0:8fdf9a60065b | 288 | } |
kadonotakashi | 0:8fdf9a60065b | 289 | |
kadonotakashi | 0:8fdf9a60065b | 290 | int tx_event = event & SERIAL_EVENT_TX_MASK; |
kadonotakashi | 0:8fdf9a60065b | 291 | if (_tx_callback && tx_event) { |
kadonotakashi | 0:8fdf9a60065b | 292 | unlock_deepsleep = true; |
kadonotakashi | 0:8fdf9a60065b | 293 | _tx_callback.call(tx_event); |
kadonotakashi | 0:8fdf9a60065b | 294 | } |
kadonotakashi | 0:8fdf9a60065b | 295 | // unlock if tx or rx events are generated |
kadonotakashi | 0:8fdf9a60065b | 296 | if (unlock_deepsleep) { |
kadonotakashi | 0:8fdf9a60065b | 297 | sleep_manager_unlock_deep_sleep(); |
kadonotakashi | 0:8fdf9a60065b | 298 | } |
kadonotakashi | 0:8fdf9a60065b | 299 | } |
kadonotakashi | 0:8fdf9a60065b | 300 | |
kadonotakashi | 0:8fdf9a60065b | 301 | #endif |
kadonotakashi | 0:8fdf9a60065b | 302 | |
kadonotakashi | 0:8fdf9a60065b | 303 | } // namespace mbed |
kadonotakashi | 0:8fdf9a60065b | 304 | |
kadonotakashi | 0:8fdf9a60065b | 305 | #endif |