#include "bexus_temperature_i2c.h"

uint8_t i2c_temp[]={0x49,0x00,0x01};

struct Dataset *data_i2c;
uint8_t m_buff2[3];

void Temperature_I2c_Init() {	
	for(int i=0; i<sizeof(i2c_temp);i++)
		i2c_temp[i]=i2c_temp[i]<<1;
}

int Temperature_I2c_Read() {	
	data_i2c = &Dataset_Master[buff_sensor_data_index];
	
	if(HAL_OK == HAL_I2C_Master_Transmit(&hi2c2,i2c_temp[0],&i2c_temp[1],1,10)) {
		HAL_I2C_Master_Receive(&hi2c2,i2c_temp[0],m_buff2,2,10);
		data_i2c->temperature_i2c_raw = m_buff2[0]<<8 | m_buff2[1];
	} else return HAL_ERROR;
	
	   if(data_i2c->temperature_i2c_raw<32768){ //Temperaturberechnung
			data_i2c->temperature_i2c= data_i2c->temperature_i2c_raw*0.0078125;//wenn größer 0°C
			}else{
			data_i2c->temperature_i2c=(32768- data_i2c->temperature_i2c_raw)*0.0078125;
			}

	 return HAL_OK;
}