first step
#if 1
printf("ti configure\n");
TMP_WriteConfReg(0x61a0);
delay_ms(35);
conf_value = TMP_ReadConfReg();
printf("config value %u\n", (unsigned int)conf_value);
#endif
then
float tmp112_get(void)
{
uint16_t sensor_data = 0;
float sensor_temp = 0;
uint16_t conf_value = 0;
TMP_WriteConfReg(0xe1a0);
#if 0
delay_ms(2);
conf_value = TMP_ReadConfReg();
printf("in measure config value %u\n", (unsigned int)conf_value);
#endif
delay_ms(30);
conf_value = TMP_ReadConfReg();
if((conf_value & 0x8000) == 0x8000)
{
printf("*config value %x\n", conf_value);
}
else
{
printf("convert dont complete\n");
delay_ms(5);
}
sensor_data = TMP_ReadTemp();
//printf("data %u\n", sensor_data);
sensor_temp = (short int)sensor_data / 16 * 0.0625;
printf("the data is %f\n", sensor_temp);
return sensor_temp;
}