AccelerometerSample01

AccelerometerSample01

#include <pebble.h>
#define MATH_PI 3.141592653589793238462
#define NUM_DISCS 20
#define DISC_DENSITY 0.25
#define ACCEL_RATIO 0.05
#define ACCEL_STEP_MS 50

Window *window;
TextLayer *text_layer;
static AppTimer *timer;

static void timer_callback(void *data) {
  AccelData accel = (AccelData) { .x = 0, .y = 0, .z = 0 };
  accel_service_peek(&accel);

  APP_LOG(APP_LOG_LEVEL_DEBUG, "x:" + accel.x);
  APP_LOG(APP_LOG_LEVEL_DEBUG, "y:" + accel.y);
  APP_LOG(APP_LOG_LEVEL_DEBUG, "z:" + accel.z);
}

void init(void) {
	window = window_create();
	text_layer = text_layer_create(GRect(0, 0, 144, 154));
	text_layer_set_text(text_layer, "Acel Sample!");
	text_layer_set_font(text_layer, fonts_get_system_font(FONT_KEY_GOTHIC_28_BOLD));
	text_layer_set_text_alignment(text_layer, GTextAlignmentCenter);
	layer_add_child(window_get_root_layer(window), text_layer_get_layer(text_layer));
	window_stack_push(window, true);
	
  accel_data_service_subscribe(0, NULL);
  timer = app_timer_register(ACCEL_STEP_MS, timer_callback, NULL);
}

void handle_deinit(void) {
  accel_data_service_unsubscribe();
  text_layer_destroy(text_layer);
	window_destroy(window);
}

int main(void) {
	init();
	app_event_loop();
	handle_deinit();
}