interfacing-tc72-temperature-sensor-with-stm32-Master

by Marwen Maghrebi
#include "main.h"

char TxBuff1[20]="MASTER SEND ONE";
char TxBuff2[20]="MASTER SEND TWO";
uint8_t txBuffer = 0;

int main(void)
{
  HAL_Init();
  SystemClock_Config();
  MX_GPIO_Init();
  MX_SPI1_Init();
while (1)
  {
if((HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_13)|HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_14)|HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_15))==GPIO_PIN_RESET)
  {
  HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_12);
  HAL_Delay(100);
  //send For Polling Mode receive
  if(HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_13)==GPIO_PIN_SET)
  {
  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
  HAL_SPI_Transmit(&hspi1, (uint8_t*)TxBuff1, sizeof(TxBuff1),5000);
  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
  while(HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_13)==GPIO_PIN_RESET);
  }
  //send For IT Mode receive
  if(HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_14)==GPIO_PIN_SET)
  {
   txBuffer=txBuffer == 0?1:0;
   HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
   HAL_SPI_Transmit(&hspi1,&txBuffer, sizeof(txBuffer),5000);
   HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
   while(HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_14)==GPIO_PIN_RESET);
  }
  //send For IT Mode receive
  if(HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_15)==GPIO_PIN_SET)
  {
   HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_RESET);
   HAL_SPI_Transmit(&hspi1,(uint8_t*)TxBuff2, sizeof(TxBuff2),5000);
   HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
   while(HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_15)==GPIO_PIN_RESET);
  }}}}
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