view Small_CPU/Src/uart.c @ 634:7c73f066cd16

Enable sensor check for Analog PPO2 mode: Checks which may trigger a fallback warning were not activated in previous versions. Beside enabling the checks the test logic has been changed. Before the change an avarage was build automatically using the remaining both sensors if one sensor failed. The scenario that also one of the remaining sensors may be out of bounds was not covered. The new implementation allows an out of bounds detection for all sensors in parallel. In that special case the last valid value will be used until the diver takes action (Fallback warning)
author Ideenmodellierer
date Wed, 24 Feb 2021 19:18:26 +0100
parents 5f11787b4f42
children 1b995079c045
line wrap: on
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/**
  ******************************************************************************
  * @file    uart.c 
  * @author  heinrichs weikamp gmbh
  * @version V0.0.1
  * @date    27-March-2014
  * @brief   button control
  *           
  @verbatim                 
  ============================================================================== 
                        ##### How to use #####
  ============================================================================== 
  @endverbatim
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2015 heinrichs weikamp</center></h2>
  *
  ******************************************************************************
  */ 
/* Includes ------------------------------------------------------------------*/
#include "uart.h"

/* Private variables ---------------------------------------------------------*/

UART_HandleTypeDef huart2;


/* Exported functions --------------------------------------------------------*/

void MX_USART2_UART_Init(void)
{
/* pullup special */
  GPIO_InitTypeDef   GPIO_InitStructure;
  __GPIOA_CLK_ENABLE();
  GPIO_InitStructure.Pin = GPIO_PIN_2;
  GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStructure.Pull = GPIO_PULLUP;
  GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); 

/* regular init */	
  huart2.Instance = USART2;
  huart2.Init.BaudRate = 1200;
  huart2.Init.WordLength = UART_WORDLENGTH_8B;
  huart2.Init.StopBits = UART_STOPBITS_1;
  huart2.Init.Parity = UART_PARITY_NONE;
  huart2.Init.Mode = UART_MODE_TX_RX;
  huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  HAL_UART_Init(&huart2);
}


uint8_t UART_ButtonAdjust(uint8_t *array)
{
	uint8_t answer[4];
	
	HAL_UART_Transmit(&huart2,array,4,1000);
	HAL_UART_Receive(&huart2,answer,4,2000);
	if(	(answer[0] == array[0])
		&&(answer[1] == array[1])
		&&(answer[2] == array[2])
		&&(answer[3] == array[3]))
	return 1;
	else
	return 0;
}

void MX_USART2_UART_DeInit(void)
{
	HAL_UART_DeInit(&huart2);
}


/************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/