ardupilot/libraries/AP_DCM/examples/DCM_Test/DCM_Test.pde

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// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*-
//
// Simple test for the AP_DCM library
//
#include <FastSerial.h>
#include <SPI.h>
#include <I2C.h>
#include <Arduino_Mega_ISR_Registry.h>
#include <AP_PeriodicProcess.h>
#include <AP_InertialSensor.h>
#include <AP_ADC.h>
#include <AP_IMU.h>
#include <AP_DCM.h>
#include <AP_Math.h>
#include <AP_Common.h>
#include <AP_Compass.h>
// uncomment this for a APM2 board
// #define APM2_HARDWARE
FastSerialPort(Serial, 0);
Arduino_Mega_ISR_Registry isr_registry;
AP_TimerProcess scheduler;
AP_Compass_HMC5843 compass(AP_Var::k_key_none);
#ifdef APM2_HARDWARE
AP_InertialSensor_MPU6000 ins( 53 );
# else
AP_ADC_ADS7844 adc;
AP_InertialSensor_Oilpan ins( &adc );
#endif // CONFIG_IMU_TYPE
static GPS *g_gps;
AP_IMU_INS imu( &ins, AP_Var::k_key_none );
AP_DCM dcm(&imu, g_gps);
#ifdef APM2_HARDWARE
# define A_LED_PIN 27
# define C_LED_PIN 25
# define LED_ON LOW
# define LED_OFF HIGH
# define MAG_ORIENTATION AP_COMPASS_APM2_SHIELD
#else
# define A_LED_PIN 37
# define C_LED_PIN 35
# define LED_ON HIGH
# define LED_OFF LOW
# define MAG_ORIENTATION AP_COMPASS_COMPONENTS_DOWN_PINS_FORWARD
#endif
static void flash_leds(bool on)
{
digitalWrite(A_LED_PIN, on?LED_OFF:LED_ON);
digitalWrite(C_LED_PIN, on?LED_ON:LED_OFF);
}
void setup(void)
{
Serial.begin(115200);
Serial.println("Starting up...");
isr_registry.init();
scheduler.init(&isr_registry);
I2c.begin();
I2c.timeOut(5);
I2c.setSpeed(true);
SPI.begin();
SPI.setClockDivider(SPI_CLOCK_DIV16);
imu.init(IMU::COLD_START, delay, flash_leds, &scheduler);
imu.init_accel(delay, flash_leds);
compass.set_orientation(MAG_ORIENTATION);
if (compass.init()) {
printf("Enabling compass\n");
compass.null_offsets_enable();
dcm.set_compass(&compass);
}
}
void loop(void)
{
Vector3f accel;
Vector3f gyro;
static uint8_t counter;
delay(20);
dcm.update_DCM();
if (counter++ == 10) {
counter = 0;
gyro = imu.get_gyro();
accel = imu.get_accel();
Serial.printf_P(PSTR("r:%4d p:%4d y:%3d g=(%5.1f %5.1f %5.1f) a=(%5.1f %5.1f %5.1f)\n"),
(int)dcm.roll_sensor / 100,
(int)dcm.pitch_sensor / 100,
(uint16_t)dcm.yaw_sensor / 100,
gyro.x, gyro.y, gyro.z,
accel.x, accel.y, accel.z);
}
}