charge_controller_target_mspm0L1304/src/peripherals/temp/tmp1075.c

#include "src/peripherals/temp/tmp1075.h"

#include "src/interfaces/i2c_controller.h"

#include <stdio.h>

/**
 * Read Temperature
 * of a former initalized TMP1075 sensor
 */
uint16_t read_temperature(uint8_t slot) {
    controllerRxPackage.len = 3;
    controllerRxPackage.count = 0;
    controllerRxPackage.complete = false;
    i2c_hal.read(TMP1075_BASE_ADDRESS + slot);

    while(!controllerRxPackage.complete);
    uint16_t byte1 = controllerRxPackage.packet[0];
    uint8_t byte2 = controllerRxPackage.packet[1];
    
    uint16_t temp = ((byte1 << 4) | (byte2 >> 4)) * 62.5;

#ifdef DEBUG_TEMPERATURE
    printf("Temperatur von slot %d: 0x%02X 0x%02X -> %d \n", slot, byte1, byte2, temp);
#endif

    return temp;
}