不韋 呂 / F746_Spectrogram

Realtime spectrogram for DISCO-F746NG. On-board MEMS microphone is used for input sound signal. リアルタイムスペクトログラム．入力：MEMSマイク

Dependencies:   F746_GUI F746_SAI_IO UIT_FFT_Real

mbed_src_STM32F7/common/SerialBase.cpp@6:b3885567877c, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 13:43:07 2017 +0000
Revision:
6:b3885567877c
Parent:
4:c1beacfc42c7 
7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 4:c1beacfc42c7 1 /* mbed Microcontroller Library
MikamiUitOpen 4:c1beacfc42c7 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 4:c1beacfc42c7 3 *
MikamiUitOpen 4:c1beacfc42c7 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 4:c1beacfc42c7 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 4:c1beacfc42c7 6 * You may obtain a copy of the License at
MikamiUitOpen 4:c1beacfc42c7 7 *
MikamiUitOpen 4:c1beacfc42c7 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 4:c1beacfc42c7 9 *
MikamiUitOpen 4:c1beacfc42c7 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 4:c1beacfc42c7 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 4:c1beacfc42c7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 4:c1beacfc42c7 13 * See the License for the specific language governing permissions and
MikamiUitOpen 4:c1beacfc42c7 14 * limitations under the License.
MikamiUitOpen 4:c1beacfc42c7 15 */
MikamiUitOpen 4:c1beacfc42c7 16 #include "SerialBase.h"
MikamiUitOpen 4:c1beacfc42c7 17 #include "wait_api.h"
MikamiUitOpen 4:c1beacfc42c7 18
MikamiUitOpen 4:c1beacfc42c7 19 #if DEVICE_SERIAL
MikamiUitOpen 4:c1beacfc42c7 20
MikamiUitOpen 4:c1beacfc42c7 21 namespace mbed {
MikamiUitOpen 4:c1beacfc42c7 22
MikamiUitOpen 4:c1beacfc42c7 23 SerialBase::SerialBase(PinName tx, PinName rx) :
MikamiUitOpen 4:c1beacfc42c7 24 #if DEVICE_SERIAL_ASYNCH
MikamiUitOpen 4:c1beacfc42c7 25 _thunk_irq(this), _tx_usage(DMA_USAGE_NEVER),
MikamiUitOpen 4:c1beacfc42c7 26 _rx_usage(DMA_USAGE_NEVER),
MikamiUitOpen 4:c1beacfc42c7 27 #endif
MikamiUitOpen 4:c1beacfc42c7 28 _serial(), _baud(9600) {
MikamiUitOpen 4:c1beacfc42c7 29 serial_init(&_serial, tx, rx);
MikamiUitOpen 4:c1beacfc42c7 30 serial_irq_handler(&_serial, SerialBase::_irq_handler, (uint32_t)this);
MikamiUitOpen 4:c1beacfc42c7 31 }
MikamiUitOpen 4:c1beacfc42c7 32
MikamiUitOpen 4:c1beacfc42c7 33 void SerialBase::baud(int baudrate) {
MikamiUitOpen 4:c1beacfc42c7 34 serial_baud(&_serial, baudrate);
MikamiUitOpen 4:c1beacfc42c7 35 _baud = baudrate;
MikamiUitOpen 4:c1beacfc42c7 36 }
MikamiUitOpen 4:c1beacfc42c7 37
MikamiUitOpen 4:c1beacfc42c7 38 void SerialBase::format(int bits, Parity parity, int stop_bits) {
MikamiUitOpen 4:c1beacfc42c7 39 serial_format(&_serial, bits, (SerialParity)parity, stop_bits);
MikamiUitOpen 4:c1beacfc42c7 40 }
MikamiUitOpen 4:c1beacfc42c7 41
MikamiUitOpen 4:c1beacfc42c7 42 int SerialBase::readable() {
MikamiUitOpen 4:c1beacfc42c7 43 return serial_readable(&_serial);
MikamiUitOpen 4:c1beacfc42c7 44 }
MikamiUitOpen 4:c1beacfc42c7 45
MikamiUitOpen 4:c1beacfc42c7 46
MikamiUitOpen 4:c1beacfc42c7 47 int SerialBase::writeable() {
MikamiUitOpen 4:c1beacfc42c7 48 return serial_writable(&_serial);
MikamiUitOpen 4:c1beacfc42c7 49 }
MikamiUitOpen 4:c1beacfc42c7 50
MikamiUitOpen 4:c1beacfc42c7 51 void SerialBase::attach(void (*fptr)(void), IrqType type) {
MikamiUitOpen 4:c1beacfc42c7 52 if (fptr) {
MikamiUitOpen 4:c1beacfc42c7 53 _irq[type].attach(fptr);
MikamiUitOpen 4:c1beacfc42c7 54 serial_irq_set(&_serial, (SerialIrq)type, 1);
MikamiUitOpen 4:c1beacfc42c7 55 } else {
MikamiUitOpen 4:c1beacfc42c7 56 serial_irq_set(&_serial, (SerialIrq)type, 0);
MikamiUitOpen 4:c1beacfc42c7 57 }
MikamiUitOpen 4:c1beacfc42c7 58 }
MikamiUitOpen 4:c1beacfc42c7 59
MikamiUitOpen 4:c1beacfc42c7 60 void SerialBase::_irq_handler(uint32_t id, SerialIrq irq_type) {
MikamiUitOpen 4:c1beacfc42c7 61 SerialBase *handler = (SerialBase*)id;
MikamiUitOpen 4:c1beacfc42c7 62 handler->_irq[irq_type].call();
MikamiUitOpen 4:c1beacfc42c7 63 }
MikamiUitOpen 4:c1beacfc42c7 64
MikamiUitOpen 4:c1beacfc42c7 65 int SerialBase::_base_getc() {
MikamiUitOpen 4:c1beacfc42c7 66 return serial_getc(&_serial);
MikamiUitOpen 4:c1beacfc42c7 67 }
MikamiUitOpen 4:c1beacfc42c7 68
MikamiUitOpen 4:c1beacfc42c7 69 int SerialBase::_base_putc(int c) {
MikamiUitOpen 4:c1beacfc42c7 70 serial_putc(&_serial, c);
MikamiUitOpen 4:c1beacfc42c7 71 return c;
MikamiUitOpen 4:c1beacfc42c7 72 }
MikamiUitOpen 4:c1beacfc42c7 73
MikamiUitOpen 4:c1beacfc42c7 74 void SerialBase::send_break() {
MikamiUitOpen 4:c1beacfc42c7 75 // Wait for 1.5 frames before clearing the break condition
MikamiUitOpen 4:c1beacfc42c7 76 // This will have different effects on our platforms, but should
MikamiUitOpen 4:c1beacfc42c7 77 // ensure that we keep the break active for at least one frame.
MikamiUitOpen 4:c1beacfc42c7 78 // We consider a full frame (1 start bit + 8 data bits bits +
MikamiUitOpen 4:c1beacfc42c7 79 // 1 parity bit + 2 stop bits = 12 bits) for computation.
MikamiUitOpen 4:c1beacfc42c7 80 // One bit time (in us) = 1000000/_baud
MikamiUitOpen 4:c1beacfc42c7 81 // Twelve bits: 12000000/baud delay
MikamiUitOpen 4:c1beacfc42c7 82 // 1.5 frames: 18000000/baud delay
MikamiUitOpen 4:c1beacfc42c7 83 serial_break_set(&_serial);
MikamiUitOpen 4:c1beacfc42c7 84 wait_us(18000000/_baud);
MikamiUitOpen 4:c1beacfc42c7 85 serial_break_clear(&_serial);
MikamiUitOpen 4:c1beacfc42c7 86 }
MikamiUitOpen 4:c1beacfc42c7 87
MikamiUitOpen 4:c1beacfc42c7 88 #if DEVICE_SERIAL_FC
MikamiUitOpen 4:c1beacfc42c7 89 void SerialBase::set_flow_control(Flow type, PinName flow1, PinName flow2) {
MikamiUitOpen 4:c1beacfc42c7 90 FlowControl flow_type = (FlowControl)type;
MikamiUitOpen 4:c1beacfc42c7 91 switch(type) {
MikamiUitOpen 4:c1beacfc42c7 92 case RTS:
MikamiUitOpen 4:c1beacfc42c7 93 serial_set_flow_control(&_serial, flow_type, flow1, NC);
MikamiUitOpen 4:c1beacfc42c7 94 break;
MikamiUitOpen 4:c1beacfc42c7 95
MikamiUitOpen 4:c1beacfc42c7 96 case CTS:
MikamiUitOpen 4:c1beacfc42c7 97 serial_set_flow_control(&_serial, flow_type, NC, flow1);
MikamiUitOpen 4:c1beacfc42c7 98 break;
MikamiUitOpen 4:c1beacfc42c7 99
MikamiUitOpen 4:c1beacfc42c7 100 case RTSCTS:
MikamiUitOpen 4:c1beacfc42c7 101 case Disabled:
MikamiUitOpen 4:c1beacfc42c7 102 serial_set_flow_control(&_serial, flow_type, flow1, flow2);
MikamiUitOpen 4:c1beacfc42c7 103 break;
MikamiUitOpen 4:c1beacfc42c7 104
MikamiUitOpen 4:c1beacfc42c7 105 default:
MikamiUitOpen 4:c1beacfc42c7 106 break;
MikamiUitOpen 4:c1beacfc42c7 107 }
MikamiUitOpen 4:c1beacfc42c7 108 }
MikamiUitOpen 4:c1beacfc42c7 109 #endif
MikamiUitOpen 4:c1beacfc42c7 110
MikamiUitOpen 4:c1beacfc42c7 111 #if DEVICE_SERIAL_ASYNCH
MikamiUitOpen 4:c1beacfc42c7 112
MikamiUitOpen 4:c1beacfc42c7 113 int SerialBase::write(const uint8_t *buffer, int length, const event_callback_t& callback, int event)
MikamiUitOpen 4:c1beacfc42c7 114 {
MikamiUitOpen 4:c1beacfc42c7 115 if (serial_tx_active(&_serial)) {
MikamiUitOpen 4:c1beacfc42c7 116 return -1; // transaction ongoing
MikamiUitOpen 4:c1beacfc42c7 117 }
MikamiUitOpen 4:c1beacfc42c7 118 start_write((void *)buffer, length, 8, callback, event);
MikamiUitOpen 4:c1beacfc42c7 119 return 0;
MikamiUitOpen 4:c1beacfc42c7 120 }
MikamiUitOpen 4:c1beacfc42c7 121
MikamiUitOpen 4:c1beacfc42c7 122 int SerialBase::write(const uint16_t *buffer, int length, const event_callback_t& callback, int event)
MikamiUitOpen 4:c1beacfc42c7 123 {
MikamiUitOpen 4:c1beacfc42c7 124 if (serial_tx_active(&_serial)) {
MikamiUitOpen 4:c1beacfc42c7 125 return -1; // transaction ongoing
MikamiUitOpen 4:c1beacfc42c7 126 }
MikamiUitOpen 4:c1beacfc42c7 127 start_write((void *)buffer, length, 16, callback, event);
MikamiUitOpen 4:c1beacfc42c7 128 return 0;
MikamiUitOpen 4:c1beacfc42c7 129 }
MikamiUitOpen 4:c1beacfc42c7 130
MikamiUitOpen 4:c1beacfc42c7 131 void SerialBase::start_write(const void *buffer, int buffer_size, char buffer_width, const event_callback_t& callback, int event)
MikamiUitOpen 4:c1beacfc42c7 132 {
MikamiUitOpen 4:c1beacfc42c7 133 _tx_callback = callback;
MikamiUitOpen 4:c1beacfc42c7 134
MikamiUitOpen 4:c1beacfc42c7 135 _thunk_irq.callback(&SerialBase::interrupt_handler_asynch);
MikamiUitOpen 4:c1beacfc42c7 136 serial_tx_asynch(&_serial, buffer, buffer_size, buffer_width, _thunk_irq.entry(), event, _tx_usage);
MikamiUitOpen 4:c1beacfc42c7 137 }
MikamiUitOpen 4:c1beacfc42c7 138
MikamiUitOpen 4:c1beacfc42c7 139 void SerialBase::abort_write(void)
MikamiUitOpen 4:c1beacfc42c7 140 {
MikamiUitOpen 4:c1beacfc42c7 141 serial_tx_abort_asynch(&_serial);
MikamiUitOpen 4:c1beacfc42c7 142 }
MikamiUitOpen 4:c1beacfc42c7 143
MikamiUitOpen 4:c1beacfc42c7 144 void SerialBase::abort_read(void)
MikamiUitOpen 4:c1beacfc42c7 145 {
MikamiUitOpen 4:c1beacfc42c7 146 serial_rx_abort_asynch(&_serial);
MikamiUitOpen 4:c1beacfc42c7 147 }
MikamiUitOpen 4:c1beacfc42c7 148
MikamiUitOpen 4:c1beacfc42c7 149 int SerialBase::set_dma_usage_tx(DMAUsage usage)
MikamiUitOpen 4:c1beacfc42c7 150 {
MikamiUitOpen 4:c1beacfc42c7 151 if (serial_tx_active(&_serial)) {
MikamiUitOpen 4:c1beacfc42c7 152 return -1;
MikamiUitOpen 4:c1beacfc42c7 153 }
MikamiUitOpen 4:c1beacfc42c7 154 _tx_usage = usage;
MikamiUitOpen 4:c1beacfc42c7 155 return 0;
MikamiUitOpen 4:c1beacfc42c7 156 }
MikamiUitOpen 4:c1beacfc42c7 157
MikamiUitOpen 4:c1beacfc42c7 158 int SerialBase::set_dma_usage_rx(DMAUsage usage)
MikamiUitOpen 4:c1beacfc42c7 159 {
MikamiUitOpen 4:c1beacfc42c7 160 if (serial_tx_active(&_serial)) {
MikamiUitOpen 4:c1beacfc42c7 161 return -1;
MikamiUitOpen 4:c1beacfc42c7 162 }
MikamiUitOpen 4:c1beacfc42c7 163 _rx_usage = usage;
MikamiUitOpen 4:c1beacfc42c7 164 return 0;
MikamiUitOpen 4:c1beacfc42c7 165 }
MikamiUitOpen 4:c1beacfc42c7 166
MikamiUitOpen 4:c1beacfc42c7 167 int SerialBase::read(uint8_t *buffer, int length, const event_callback_t& callback, int event, unsigned char char_match)
MikamiUitOpen 4:c1beacfc42c7 168 {
MikamiUitOpen 4:c1beacfc42c7 169 if (serial_rx_active(&_serial)) {
MikamiUitOpen 4:c1beacfc42c7 170 return -1; // transaction ongoing
MikamiUitOpen 4:c1beacfc42c7 171 }
MikamiUitOpen 4:c1beacfc42c7 172 start_read((void*)buffer, length, 8, callback, event, char_match);
MikamiUitOpen 4:c1beacfc42c7 173 return 0;
MikamiUitOpen 4:c1beacfc42c7 174 }
MikamiUitOpen 4:c1beacfc42c7 175
MikamiUitOpen 4:c1beacfc42c7 176
MikamiUitOpen 4:c1beacfc42c7 177 int SerialBase::read(uint16_t *buffer, int length, const event_callback_t& callback, int event, unsigned char char_match)
MikamiUitOpen 4:c1beacfc42c7 178 {
MikamiUitOpen 4:c1beacfc42c7 179 if (serial_rx_active(&_serial)) {
MikamiUitOpen 4:c1beacfc42c7 180 return -1; // transaction ongoing
MikamiUitOpen 4:c1beacfc42c7 181 }
MikamiUitOpen 4:c1beacfc42c7 182 start_read((void*)buffer, length, 16, callback, event, char_match);
MikamiUitOpen 4:c1beacfc42c7 183 return 0;
MikamiUitOpen 4:c1beacfc42c7 184 }
MikamiUitOpen 4:c1beacfc42c7 185
MikamiUitOpen 4:c1beacfc42c7 186
MikamiUitOpen 4:c1beacfc42c7 187 void SerialBase::start_read(void *buffer, int buffer_size, char buffer_width, const event_callback_t& callback, int event, unsigned char char_match)
MikamiUitOpen 4:c1beacfc42c7 188 {
MikamiUitOpen 4:c1beacfc42c7 189 _rx_callback = callback;
MikamiUitOpen 4:c1beacfc42c7 190 _thunk_irq.callback(&SerialBase::interrupt_handler_asynch);
MikamiUitOpen 4:c1beacfc42c7 191 serial_rx_asynch(&_serial, buffer, buffer_size, buffer_width, _thunk_irq.entry(), event, char_match, _rx_usage);
MikamiUitOpen 4:c1beacfc42c7 192 }
MikamiUitOpen 4:c1beacfc42c7 193
MikamiUitOpen 4:c1beacfc42c7 194 void SerialBase::interrupt_handler_asynch(void)
MikamiUitOpen 4:c1beacfc42c7 195 {
MikamiUitOpen 4:c1beacfc42c7 196 int event = serial_irq_handler_asynch(&_serial);
MikamiUitOpen 4:c1beacfc42c7 197 int rx_event = event & SERIAL_EVENT_RX_MASK;
MikamiUitOpen 4:c1beacfc42c7 198 if (_rx_callback && rx_event) {
MikamiUitOpen 4:c1beacfc42c7 199 _rx_callback.call(rx_event);
MikamiUitOpen 4:c1beacfc42c7 200 }
MikamiUitOpen 4:c1beacfc42c7 201
MikamiUitOpen 4:c1beacfc42c7 202 int tx_event = event & SERIAL_EVENT_TX_MASK;
MikamiUitOpen 4:c1beacfc42c7 203 if (_tx_callback && tx_event) {
MikamiUitOpen 4:c1beacfc42c7 204 _tx_callback.call(tx_event);
MikamiUitOpen 4:c1beacfc42c7 205 }
MikamiUitOpen 4:c1beacfc42c7 206 }
MikamiUitOpen 4:c1beacfc42c7 207
MikamiUitOpen 4:c1beacfc42c7 208 #endif
MikamiUitOpen 4:c1beacfc42c7 209
MikamiUitOpen 4:c1beacfc42c7 210 } // namespace mbed
MikamiUitOpen 4:c1beacfc42c7 211
MikamiUitOpen 4:c1beacfc42c7 212 #endif