/**
* Returns raw data from sensor
*
* @param adr adress of sensor
* @return Data from sensor
*/
signed int lm75_get_temp_raw(unsigned char adr)
{
unsigned char a[2];
i2c0_start(adr);
i2c0_receive(a, 2);
i2c0_stop();
return ((a[0] << 8) | a[1]) >> 7;
}
void enose_periodic(void)
{
enose_PID_val = buf_PID.sum / buf_PID.av_nb_sample;
if (enose_i2c_done) {
if (enose_conf_requested) {
const uint8_t msg[] = { ENOSE_PWM_ADDR, enose_heat[0], enose_heat[1], enose_heat[2] };
memcpy((void *)i2c0_buf, msg, sizeof(msg));
i2c0_transmit(ENOSE_SLAVE_ADDR, sizeof(msg), &enose_i2c_done);
enose_i2c_done = FALSE;
enose_conf_requested = FALSE;
} else if (enose_status == ENOSE_IDLE) {
enose_status = ENOSE_MEASURING_WR;
const uint8_t msg[] = { ENOSE_DATA_ADDR };
memcpy((void *)i2c0_buf, msg, sizeof(msg));
i2c0_transmit(ENOSE_SLAVE_ADDR, sizeof(msg), &enose_i2c_done);
enose_i2c_done = FALSE;
} else if (enose_status == ENOSE_MEASURING_WR) {
enose_status = ENOSE_MEASURING_RD;
i2c0_receive(ENOSE_SLAVE_ADDR, 6, &enose_i2c_done);
enose_i2c_done = FALSE;
} else if (enose_status == ENOSE_MEASURING_RD) {
uint16_t val = (i2c0_buf[0] << 8) | i2c0_buf[1];
if (val < 5000) {
enose_val[0] = val;
}
val = (i2c0_buf[2] << 8) | i2c0_buf[3];
if (val < 5000) {
enose_val[1] = val;
}
val = (i2c0_buf[4] << 8) | i2c0_buf[5];
if (val < 5000) {
enose_val[2] = val;
}
enose_status = ENOSE_IDLE;
}
}
DOWNLINK_SEND_ENOSE_STATUS(DefaultChannel, DefaultDevice, &enose_val[0], &enose_val[1], &enose_val[2], &enose_PID_val,
3, enose_heat);
}
