stm32-and-max31855-type-k-thermocouple-interface

/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "Max31855.h"
#include<stdio.h>
#include<string.h>
#include <math.h>

/* Private variables ---------------------------------------------------------*/
SPI_HandleTypeDef hspi1;
UART_HandleTypeDef huart1;

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_SPI1_Init(void);
static void MX_USART1_UART_Init(void);


int main(void)
{
/* USER CODE BEGIN 1 */
char MSG[100]="MAX31855 test\n\r";
char MSG0[100]="Initializing sensor...\n\r";
char MSG1[100]="ERROR\n\r";
char MSG2[100]="DON. \n\r ";
char MSG3[100]="Thermocouple fault(s) detected!\n\r";
char MSG4[100]="FAULT: Thermocouple is open - no connections.\n\r";
char MSG5[100]="FAULT: Thermocouple is short-circuited to GND.\n\r";
char MSG6[100]="FAULT: Thermocouple is short-circuited to VCC.\n\r";
char MSG7[100];
char MSG8[100];
char MSG9[100]="$$***************************************$$\n\r";
char MSG10[100];
/* USER CODE END 1 */

HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_SPI1_Init();
MX_USART1_UART_Init();

/* USER CODE BEGIN 2 */
HAL_UART_Transmit(&huart1,(uint8_t*)MSG,sizeof(MSG), 100);
HAL_UART_Transmit(&huart1,(uint8_t*)MSG0,sizeof(MSG0), 100);
if (!begin()) {
HAL_UART_Transmit(&huart1,(uint8_t*)MSG1,sizeof(MSG1), 100);
while (1) HAL_Delay(10);
}
HAL_UART_Transmit(&huart1,(uint8_t*)MSG2,sizeof(MSG2), 100);
/* USER CODE END 2 */

while (1)
{
    sprintf(MSG10,"Internal Temp = %f \n\r",readInternal());
    HAL_UART_Transmit(&huart1,(uint8_t*)MSG10, sizeof(MSG10), 100);
    double c = readCelsius();
    if (!isnan(c)) {
        sprintf(MSG7,"C = %f \n\r",c);
        HAL_UART_Transmit(&huart1,(uint8_t*)MSG7, sizeof(MSG7), 100);
        sprintf(MSG8,"F = %f \n\r",readFahrenheit());
        HAL_UART_Transmit(&huart1,(uint8_t*)MSG8, sizeof(MSG8), 100);
        HAL_UART_Transmit(&huart1,(uint8_t*)MSG9, sizeof(MSG9), 100);
        HAL_Delay(1000);
    }
else
{
HAL_UART_Transmit(&huart1,(uint8_t*) MSG3, sizeof(MSG3), 100);
uint8_t e = readError();
    if (e & MAX31855_FAULT_OPEN)      HAL_UART_Transmit(&huart1, (uint8_t*) MSG4, sizeof(MSG4), 100);
    if (e & MAX31855_FAULT_SHORT_GND) HAL_UART_Transmit(&huart1, (uint8_t*) MSG5, sizeof(MSG5), 100);
    if (e & MAX31855_FAULT_SHORT_VCC) HAL_UART_Transmit(&huart1, (uint8_t*) MSG6, sizeof(MSG6), 100);
}}}