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#include <stdio.h>
#include <string.h>
#include "app.h"
// these are implemented in main.c, just want to have access to them here.
void uart_putc(char c);
void uart_puts(char *s);
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;
} ApplicationState;
ApplicationState applicationState;
void cb_light_pressed() {
applicationState.color = (applicationState.color + 1) % 4;
}
void cb_mode_pressed() {
applicationState.mode = (applicationState.mode + 1) % 2;
}
/**
* @brief the app_init 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.)
*
* @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_init() {
memset(&applicationState, 0, sizeof(applicationState));
watch_enable_led(false);
watch_enable_buttons();
watch_register_button_callback(BTN_LIGHT, cb_light_pressed);
watch_register_button_callback(BTN_MODE, cb_mode_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() {
}
/**
* @brief the app_loop function is called once on app startup and then again each time
* the watch STANDBY sleep mode.
*/
void app_loop() {
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();
}
switch (applicationState.mode) {
case MODE_HELLO:
watch_display_string("Hello", 5);
break;
case MODE_THERE:
watch_display_string("there", 5);
break;
}
}
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