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#include <stdio.h>
#include <string.h>
#include "watch.h"
#include "app.h"
//////////////////////////////////////////////////////////////////////////////////////////
// This section sets up types and storage for our application state.
// You can tear this out and replace it with whatever you want.
typedef enum ApplicationMode {
MODE_HELLO = 0,
MODE_THERE
} ApplicationMode;
typedef enum LightColor {
COLOR_OFF = 0,
COLOR_RED = 1,
COLOR_GREEN = 2,
COLOR_YELLOW = 3
} LightColor;
typedef struct ApplicationState {
ApplicationMode mode;
LightColor color;
uint8_t wake_count;
} ApplicationState;
ApplicationState applicationState;
//////////////////////////////////////////////////////////////////////////////////////////
// This section defines the callbacks for our button press events (implemented at bottom).
// Add any other callbacks you may need either here or in another file.
void cb_light_pressed();
void cb_mode_pressed();
void cb_alarm_pressed();
//////////////////////////////////////////////////////////////////////////////////////////
// This section contains the required functions for any watch app. You should tear out
// all the code in these functions when writing your app, but you must implement all
// of the functions, even if they are empty stubs. You can also replace the documentation
// lines with documentation that describes what your functions do!
/**
* @brief the app_init function is called before anything else. Use it to set up any
* internal data structures or application state required by your app.
*/
void app_init() {
memset(&applicationState, 0, sizeof(applicationState));
}
/**
* @brief the app_wake_from_deep_sleep function is only called if your app is waking from
* the ultra-low power BACKUP sleep mode. You may have chosen to store some state in the
* RTC's backup registers prior to entering this mode. You may restore that state here.
*
* @see watch_enter_deep_sleep()
*/
void app_wake_from_deep_sleep() {
// TODO: deep sleep demo
}
/**
* @brief the app_setup function is like setup() in Arduino. It is called once when the
* program begins. You should set pin modes and enable any peripherals you want to
* set up (real-time clock, I2C, etc.) Depending on your application, you may or may not
* want to configure sensors on your sensor board here. For example, a low-power
* accelerometer that will run at all times should be configured here, whereas you may
* want to enable a more power-hungry environmental sensor only when you need it.
*
* @note If your app enters the ultra-low power BACKUP sleep mode, this function will
* be called again when it wakes from that deep sleep state. In this state, the RTC will
* still be configured with the correct date and time.
*/
void app_setup() {
watch_enable_led(false); // enable LED with plain digital IO, not PWM
watch_enable_buttons();
watch_register_button_callback(BTN_LIGHT, cb_light_pressed);
watch_register_button_callback(BTN_MODE, cb_mode_pressed);
watch_register_button_callback(BTN_ALARM, cb_alarm_pressed);
watch_enable_display();
}
/**
* @brief the app_prepare_for_sleep function is called before the watch goes into the
* STANDBY sleep mode. In STANDBY mode, most peripherals are shut down, and no code
* will run until the watch receives an interrupt (generally either the 1Hz tick or
* a press on one of the buttons).
*/
void app_prepare_for_sleep() {
}
/**
* @brief the app_wake_from_sleep function is called after the watch wakes from the
* STANDBY sleep mode.
*/
void app_wake_from_sleep() {
applicationState.wake_count++;
}
/**
* @brief the app_loop function is called once on app startup and then again each time
* the watch STANDBY sleep mode.
*/
bool app_loop() {
// set the LED to a color
switch (applicationState.color) {
case COLOR_RED:
watch_set_led_red();
break;
case COLOR_GREEN:
watch_set_led_green();
break;
case COLOR_YELLOW:
watch_set_led_yellow();
break;
default:
applicationState.color = COLOR_OFF;
watch_set_led_off();
}
// Display the number of times we've woken up (modulo 32 to fit in 2 digits at top right)
char buf[3] = {0};
sprintf(buf, "%2d", applicationState.wake_count % 32);
watch_display_string(buf, 2);
// display "Hello there" text
switch (applicationState.mode) {
case MODE_HELLO:
watch_display_string("Hello", 5);
break;
case MODE_THERE:
watch_display_string("there", 5);
break;
}
// Wait a moment to debounce button input
delay_ms(250);
return true;
}
//////////////////////////////////////////////////////////////////////////////////////////
// Implementations for our callback functions. Replace these with whatever functionality
// your app requires.
void cb_light_pressed() {
applicationState.color = (applicationState.color + 1) % 4;
}
void cb_mode_pressed() {
applicationState.mode = (applicationState.mode + 1) % 2;
}
void cb_alarm_pressed() {
// TODO: deep sleep demo
}
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