mirror of https://github.com/ArduPilot/ardupilot
InertialSensor: added OilPan INS example
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include ../../../../mk/apm.mk
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// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*-
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//
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// Simple test for the AP_InertialSensor driver.
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//
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#include <stdarg.h>
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#include <AP_Common.h>
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#include <AP_Progmem.h>
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#include <AP_HAL.h>
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#include <AP_HAL_AVR.h>
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#include <AP_HAL_AVR_SITL.h>
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#include <AP_HAL_Empty.h>
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#include <AP_Math.h>
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#include <AP_Param.h>
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#include <AP_ADC.h>
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#include <AP_InertialSensor.h>
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#define A_LED_PIN 37
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#define C_LED_PIN 35
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const AP_HAL::HAL& hal = AP_HAL_BOARD_DRIVER;
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#if CONFIG_HAL_BOARD == HAL_BOARD_APM1
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static AP_ADC_ADS7844 adc;
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AP_InertialSensor_Oilpan ins( &adc );
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static void flash_leds(bool on) {
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hal.gpio->write(A_LED_PIN, on);
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hal.gpio->write(C_LED_PIN, ~on);
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}
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void setup(void)
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{
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hal.console->println("AP_InertialSensor startup...");
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hal.gpio->pinMode(A_LED_PIN, GPIO_OUTPUT);
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hal.gpio->pinMode(C_LED_PIN, GPIO_OUTPUT);
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#if CONFIG_HAL_BOARD == HAL_BOARD_APM2
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// we need to stop the barometer from holding the SPI bus
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hal.gpio->pinMode(40, GPIO_OUTPUT);
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hal.gpio->write(40, 1);
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#endif
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ins.init(AP_InertialSensor::COLD_START,
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AP_InertialSensor::RATE_50HZ,
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NULL);
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// display initial values
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display_offsets_and_scaling();
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hal.console->println("Complete. Reading:");
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}
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void loop(void)
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{
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int16_t user_input;
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hal.console->println();
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hal.console->println_P(PSTR(
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"Menu:\r\n"
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" c) calibrate accelerometers\r\n"
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" d) display offsets and scaling\r\n"
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" l) level (capture offsets from level)\r\n"
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" t) test\r\n"
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" r) reboot"));
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// wait for user input
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while( !hal.console->available() ) {
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hal.scheduler->delay(20);
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}
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// read in user input
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while( hal.console->available() ) {
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user_input = hal.console->read();
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if( user_input == 'c' || user_input == 'C' ) {
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run_calibration();
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display_offsets_and_scaling();
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}
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if( user_input == 'd' || user_input == 'D' ) {
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display_offsets_and_scaling();
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}
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if( user_input == 'l' || user_input == 'L' ) {
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run_level();
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display_offsets_and_scaling();
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}
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if( user_input == 't' || user_input == 'T' ) {
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run_test();
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}
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if( user_input == 'r' || user_input == 'R' ) {
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hal.scheduler->reboot();
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}
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}
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}
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void run_calibration()
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{
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float roll_trim, pitch_trim;
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// clear off any other characters (like line feeds,etc)
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while( hal.console->available() ) {
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hal.console->read();
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}
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#if !defined( __AVR_ATmega1280__ )
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AP_InertialSensor_UserInteractStream interact(hal.console);
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ins.calibrate_accel(NULL, &interact, roll_trim, pitch_trim);
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#else
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hal.console->println_P(PSTR("calibrate_accel not available on 1280"));
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#endif
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}
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void display_offsets_and_scaling()
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{
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Vector3f accel_offsets = ins.get_accel_offsets();
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Vector3f accel_scale = ins.get_accel_scale();
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Vector3f gyro_offsets = ins.get_gyro_offsets();
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// display results
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hal.console->printf_P(
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PSTR("\nAccel Offsets X:%10.8f \t Y:%10.8f \t Z:%10.8f\n"),
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accel_offsets.x,
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accel_offsets.y,
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accel_offsets.z);
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hal.console->printf_P(
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PSTR("Accel Scale X:%10.8f \t Y:%10.8f \t Z:%10.8f\n"),
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accel_scale.x,
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accel_scale.y,
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accel_scale.z);
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hal.console->printf_P(
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PSTR("Gyro Offsets X:%10.8f \t Y:%10.8f \t Z:%10.8f\n"),
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gyro_offsets.x,
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gyro_offsets.y,
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gyro_offsets.z);
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}
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void run_level()
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{
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// clear off any input in the buffer
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while( hal.console->available() ) {
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hal.console->read();
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}
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// display message to user
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hal.console->print("Place APM on a level surface and press any key..\n");
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// wait for user input
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while( !hal.console->available() ) {
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hal.scheduler->delay(20);
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}
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while( hal.console->available() ) {
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hal.console->read();
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}
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// run accel level
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ins.init_accel(flash_leds);
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// display results
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display_offsets_and_scaling();
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}
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void run_test()
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{
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Vector3f accel;
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Vector3f gyro;
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float length;
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uint8_t counter = 0;
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// flush any user input
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while( hal.console->available() ) {
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hal.console->read();
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}
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// clear out any existing samples from ins
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ins.update();
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// loop as long as user does not press a key
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while( !hal.console->available() ) {
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// wait until we have a sample
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while (ins.num_samples_available() == 0) /* noop */ ;
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// read samples from ins
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ins.update();
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accel = ins.get_accel();
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gyro = ins.get_gyro();
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length = accel.length();
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if (counter++ % 50 == 0) {
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// display results
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hal.console->printf_P(PSTR("Accel X:%4.2f Y:%4.2f Z:%4.2f len:%4.2f Gyro X:%4.2f Y:%4.2f Z:%4.2f\n"),
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accel.x, accel.y, accel.z, length, degrees(gyro.x), degrees(gyro.y), degrees(gyro.z));
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}
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}
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// clear user input
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while( hal.console->available() ) {
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hal.console->read();
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}
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}
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#else
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void loop(void) {}
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void setup(void) {
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hal.console->println("No OilPan on this board");
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}
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#endif
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AP_HAL_MAIN();
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