Modified mbed library sources only for STM32F030K6, LQFP32 (0.8mm pitch) package, 32K Flash, 4K SRAM. Compiler target: Nucleo 32F030R8
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Diff: common/SerialBase.cpp
- Revision:
- 36:ab3ee77451e7
- Child:
- 64:7b352733b00a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/common/SerialBase.cpp Wed Oct 23 14:15:04 2013 +0100 @@ -0,0 +1,86 @@ +/* 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); +} + +} // namespace mbed + +#endif