Code:
// read the receiver RSSI as an 8 bit number for MAVLink
// RC_CHANNELS_SCALED message
void read_receiver_rssi(void)
{
// avoid divide by zero
if (g.rssi_range <= 0) {
receiver_rssi = 0;
}else{
rssi_analog_source->set_pin(g.rssi_pin);
float ret = rssi_analog_source->voltage_average() * 255 / g.rssi_range;
receiver_rssi = constrain_int16(ret, 0, 255);
}
}
