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/*
* spreadspace stm8 utils
*
*
* Copyright (C) 2014-2016 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of spreadspace stm8 utils.
*
* spreadspace stm8 utils is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* spreadspace stm8 utils is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with spreadspace stm8 utils. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stm8s.h>
#include "serialio.h"
void putchar(char c) {
#if defined(SERIAL_IO_UART1)
while (UART1_GetFlagStatus(UART1_FLAG_TXE) == RESET);
UART1_SendData8(c);
#elif defined(SERIAL_IO_UART2)
while (UART2_GetFlagStatus(UART2_FLAG_TXE) == RESET);
UART2_SendData8(c);
#else
#error "serial-io library is not usable for this board"
#endif
}
char getchar(void) {
#if defined(SERIAL_IO_UART1)
return UART1_ReceiveData8();
#elif defined(SERIAL_IO_UART2)
return UART2_ReceiveData8();
#else
#error "serial-io library is not usable for this board"
#endif
}
void serialio_init(const uint32_t baudrate)
{
#if defined(SERIAL_IO_UART1)
UART1_Init(baudrate, UART1_WORDLENGTH_8D, UART1_STOPBITS_1, UART1_PARITY_NO, UART1_SYNCMODE_CLOCK_DISABLE, UART1_MODE_TXRX_ENABLE);
#elif defined(SERIAL_IO_UART2)
UART2_Init(baudrate, UART2_WORDLENGTH_8D, UART2_STOPBITS_1, UART2_PARITY_NO, UART2_SYNCMODE_CLOCK_DISABLE, UART2_MODE_TXRX_ENABLE);
#else
#error "serial-io library is not usable for this board"
#endif
}
void serialio_task(void)
{
}
uint8_t serialio_bytes_received(void)
{
#if defined(SERIAL_IO_UART1)
return (UART1_GetFlagStatus(UART1_FLAG_RXNE) == RESET) ? 0 : 1;
#elif defined(SERIAL_IO_UART2)
return (UART2_GetFlagStatus(UART2_FLAG_RXNE) == RESET) ? 0 : 1;
#else
#error "serial-io library is not usable for this board"
#endif
}
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