Files
edgetx-gx12/src/x9d/uart_driver.cpp
T

75 lines
2.5 KiB
C++

/*
* Authors (alphabetical order)
* - Andre Bernet <bernet.andre@gmail.com>
* - Andreas Weitl
* - Bertrand Songis <bsongis@gmail.com>
* - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
* - Cameron Weeks <th9xer@gmail.com>
* - Erez Raviv
* - Gabriel Birkus
* - Jean-Pierre Parisy
* - Karl Szmutny
* - Michael Blandford
* - Michal Hlavinka
* - Pat Mackenzie
* - Philip Moss
* - Rob Thomson
* - Romolo Manfredini <romolo.manfredini@gmail.com>
* - Thomas Husterer
*
* open9x is based on code named
* gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
* er9x by Erez Raviv: http://code.google.com/p/er9x/,
* and the original (and ongoing) project by
* Thomas Husterer, th9x: http://code.google.com/p/th9x/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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.
*
*/
#include "../open9x.h"
void uartInit(uint32_t baudrate)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIO_UART, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART_DEBUG, ENABLE);
GPIO_PinAFConfig(GPIO_UART, GPIO_PinSource_UART_RX, GPIO_AF_UART);
GPIO_PinAFConfig(GPIO_UART, GPIO_PinSource_UART_TX, GPIO_AF_UART);
GPIO_InitStructure.GPIO_Pin = GPIO_PIN_UART_TX | GPIO_PIN_UART_RX;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIO_UART, &GPIO_InitStructure);
USART_InitStructure.USART_BaudRate = baudrate;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_Mode = USART_Mode_Tx;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_Init(UART_DEBUG, &USART_InitStructure);
USART_Cmd(UART_DEBUG, ENABLE);
}
void uartPutc(const char c)
{
USART_SendData(UART_DEBUG, c);
/* Wait for end of previous transfer */
while (USART_GetFlagStatus(UART_DEBUG, USART_FLAG_TC) == RESET);
}