mbed library sources
Dependents: STM32F103C8T6-RangoTec STM32-103C8_Plantilla_USB
common/SerialBase.cpp
- Committer:
- mbed_official
- Date:
- 2013-12-19
- Revision:
- 65:46be7cdf873f
- Parent:
- 64:7b352733b00a
- Child:
- 192:42b1a45e48aa
File content as of revision 65:46be7cdf873f:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "SerialBase.h" #include "wait_api.h" #if DEVICE_SERIAL namespace mbed { SerialBase::SerialBase(PinName tx, PinName rx) { serial_init(&_serial, tx, rx); _baud = 9600; serial_irq_handler(&_serial, SerialBase::_irq_handler, (uint32_t)this); } void SerialBase::baud(int baudrate) { serial_baud(&_serial, baudrate); _baud = baudrate; } void SerialBase::format(int bits, Parity parity, int stop_bits) { serial_format(&_serial, bits, (SerialParity)parity, stop_bits); } int SerialBase::readable() { return serial_readable(&_serial); } int SerialBase::writeable() { return serial_writable(&_serial); } void SerialBase::attach(void (*fptr)(void), IrqType type) { if (fptr) { _irq[type].attach(fptr); serial_irq_set(&_serial, (SerialIrq)type, 1); } else { serial_irq_set(&_serial, (SerialIrq)type, 0); } } void SerialBase::_irq_handler(uint32_t id, SerialIrq irq_type) { SerialBase *handler = (SerialBase*)id; handler->_irq[irq_type].call(); } int SerialBase::_base_getc() { return serial_getc(&_serial); } int SerialBase::_base_putc(int c) { serial_putc(&_serial, c); return c; } void SerialBase::send_break() { // Wait for 1.5 frames before clearing the break condition // This will have different effects on our platforms, but should // ensure that we keep the break active for at least one frame. // We consider a full frame (1 start bit + 8 data bits bits + // 1 parity bit + 2 stop bits = 12 bits) for computation. // One bit time (in us) = 1000000/_baud // Twelve bits: 12000000/baud delay // 1.5 frames: 18000000/baud delay serial_break_set(&_serial); wait_us(18000000/_baud); serial_break_clear(&_serial); } #ifdef DEVICE_SERIAL_FC void SerialBase::set_flow_control(Flow type, PinName flow1, PinName flow2) { FlowControl flow_type = (FlowControl)type; switch(type) { case RTS: serial_set_flow_control(&_serial, flow_type, flow1, NC); break; case CTS: serial_set_flow_control(&_serial, flow_type, NC, flow1); break; case RTSCTS: case Disabled: serial_set_flow_control(&_serial, flow_type, flow1, flow2); break; default: break; } } #endif } // namespace mbed #endif