ardupilot/libraries/RC_Channel/examples/RC_Channel2/RC_Channel2.pde

/*
	Example of RC_Channel library.
	Code by Jason Short. 2010 
	DIYDrones.com

*/

#include <APM_RC.h> 		// ArduPilot Mega RC Library
#include <RC_Channel.h> 	// ArduPilot Mega RC Library


#define EE_RADIO_1 0x00	// all gains stored from here
#define EE_RADIO_2 0x06	// all gains stored from here
#define EE_RADIO_3 0x0C	// all gains stored from here
#define EE_RADIO_4 0x12	// all gains stored from here
#define EE_RADIO_5 0x18	// all gains stored from here
#define EE_RADIO_6 0x1E	// all gains stored from here
#define EE_RADIO_7 0x24	// all gains stored from here
#define EE_RADIO_8 0x2A	// all gains stored from here


RC_Channel rc_1(EE_RADIO_1);
RC_Channel rc_2(EE_RADIO_2);
RC_Channel rc_3(EE_RADIO_3);
RC_Channel rc_4(EE_RADIO_4);
RC_Channel rc_5(EE_RADIO_5);
RC_Channel rc_6(EE_RADIO_6);
RC_Channel rc_7(EE_RADIO_7);
RC_Channel rc_8(EE_RADIO_8);

#define CH_1 0
#define CH_2 1
#define CH_3 2
#define CH_4 3
#define CH_5 4
#define CH_6 5
#define CH_7 6
#define CH_8 7

void setup()
{
	Serial.begin(38400);
	Serial.println("ArduPilot RC Channel test");
	APM_RC.Init();		// APM Radio initialization

	
	delay(500);
	
	// setup radio
	
	// read eepom or set manually
	/*
	rc_1.radio_min = 1100;
	rc_1.radio_max = 1900;
	
	rc_2.radio_min = 1100;
	rc_2.radio_max = 1900;

	rc_3.radio_min = 1100;
	rc_3.radio_max = 1900;

	rc_4.radio_min = 1100;
	rc_4.radio_max = 1900;

	// or 
	
	rc_1.load_eeprom();
	rc_2.load_eeprom();
	rc_3.load_eeprom();
	rc_4.load_eeprom();
	rc_5.load_eeprom();
	rc_6.load_eeprom();
	rc_7.load_eeprom();
	rc_8.load_eeprom();

	*/

	// interactive setup
	setup_radio();

	print_radio_values();
	
	// set type of output, symmetrical angles or a number range;
	rc_1.set_angle(4500);
	rc_1.dead_zone = 80;
	rc_2.set_angle(4500);
	rc_2.dead_zone = 80;
	rc_3.set_range(0,1000);
	rc_3.dead_zone = 20;
	rc_3.scale_output = .8; // gives more dynamic range to quads
	rc_4.set_angle(6000); 
	rc_4.dead_zone = 500;
	rc_5.set_range(0,1000);
	rc_5.set_filter(false);
	rc_6.set_range(200,800);
	rc_7.set_range(0,1000);
	rc_8.set_range(0,1000);
	
	for (byte i = 0; i < 30; i++){
		rc_1.set_pwm(APM_RC.InputCh(CH_1));
	}	
	rc_1.trim();
	rc_2.trim();
	rc_4.trim();
}

void loop()	
{
	delay(20);
	read_radio();
	rc_1.servo_out = rc_1.control_in;
	rc_1.calc_pwm();
	print_pwm();
}

void read_radio()
{
	rc_1.set_pwm(APM_RC.InputCh(CH_1));
}

void print_pwm()
{
	Serial.print("ch1 - PWM in: ");
	Serial.print(rc_1.radio_in, DEC);
	Serial.print("\t control_in: ");
	Serial.print(rc_1.control_in, DEC);
	Serial.print("\t servo out: ");
	Serial.print(rc_1.servo_out, DEC);
	Serial.print("\t pwm out: ");
	Serial.print(rc_1.pwm_out, DEC);
	Serial.print("\t pwm to radio: ");
	Serial.println(rc_1.radio_out, DEC);
}

void 
print_radio_values()
{
	Serial.print("CH1: ");
	Serial.print(rc_1.radio_min, DEC);
	Serial.print(" | ");
	Serial.println(rc_1.radio_max, DEC);
}


void
setup_radio()
{
	Serial.println("\n\nRadio Setup:");
	uint8_t i;
	
	for(i = 0; i < 100;i++){
		delay(20);
		read_radio();
	}
		
	rc_1.radio_min = rc_1.radio_in;
	rc_2.radio_min = rc_2.radio_in;
	rc_3.radio_min = rc_3.radio_in;
	rc_4.radio_min = rc_4.radio_in;
	rc_5.radio_min = rc_5.radio_in;
	rc_6.radio_min = rc_6.radio_in;
	rc_7.radio_min = rc_7.radio_in;
	rc_8.radio_min = rc_8.radio_in;

	rc_1.radio_max = rc_1.radio_in;
	rc_2.radio_max = rc_2.radio_in;
	rc_3.radio_max = rc_3.radio_in;
	rc_4.radio_max = rc_4.radio_in;
	rc_5.radio_max = rc_5.radio_in;
	rc_6.radio_max = rc_6.radio_in;
	rc_7.radio_max = rc_7.radio_in;
	rc_8.radio_max = rc_8.radio_in;

	rc_1.radio_trim = rc_1.radio_in;
	rc_2.radio_trim = rc_2.radio_in;
	rc_4.radio_trim = rc_4.radio_in;
	// 3 is not trimed
	rc_5.radio_trim = 1500;
	rc_6.radio_trim = 1500;
	rc_7.radio_trim = 1500;
	rc_8.radio_trim = 1500;
			
	Serial.println("\nMove all controls to each extreme. Hit Enter to save:");
	while(1){
		
		delay(20);
		// Filters radio input - adjust filters in the radio.pde file
		// ----------------------------------------------------------
		read_radio();

		rc_1.update_min_max();
		rc_2.update_min_max();
		rc_3.update_min_max();
		rc_4.update_min_max();
		rc_5.update_min_max();
		rc_6.update_min_max();
		rc_7.update_min_max();
		rc_8.update_min_max();
		
		if(Serial.available() > 0){
			//rc_3.radio_max += 250;
			Serial.flush();
			
			Serial.println("Radio calibrated, Showing control values:");
			break;
		}
	}
	return;
}