Sensor Watch Simulator (#35)
* Put something on screen * Use the 32bit watch_date_time repr to pass from JS * Implement periodic callbacks * Clear display on enabling * Hook up watch_set_led_color() to SVG (green-only) * Make debug output full-width * Remove default Emscripten canvas * Implement sleep and button clicks * Fix time zone conversion bug in beats-time app * Clean up warnings * Fix pin levels * Set time zone to browser value (if available) * Add basic backup data saving * Silence format specifier warnings in both targets * Remove unnecessary, copied files * Use RTC pointer to clear callbacks (if available) * Use preprocessor define to avoid hardcoding MOVEMENT_NUM_FACES * Change each face to const preprocessor definition * Remove Intl.DateTimeFormat usage * Update shell.html title, header * Add touch start/end event handlers on SVG buttons * Update shell.html * Update folder structure (shared, simulator, hardware under watch-library) * Tease out shared components from watch_slcd * Clean up simulator watch_slcd.c inline JS calls * Fix missing newlines at end of file * Add simulator warnings (except format, unused-paremter) * Implement remaining watch_rtc functions * Fix button bug on mouse down then drag out * Implement remaining watch_slcd functions * Link keyboard events to buttons (for keys A, L, M) * Rewrite event handling (mouse, touch, keyboard) in C * Set explicit text UTF-8 charset in shell.html * Address PR comments * Remove unused directories from include paths
This commit is contained in:
Alexsander Akers
GitHub
191
watch-library/simulator/watch/watch_extint.c
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191
watch-library/simulator/watch/watch_extint.c
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/*
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* MIT License
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*
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* Copyright (c) 2020 Joey Castillo
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "watch_extint.h"
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#include <emscripten.h>
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#include <emscripten/html5.h>
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static bool output_focused = false;
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static bool external_interrupt_enabled = false;
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static bool button_callbacks_installed = false;
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static ext_irq_cb_t external_interrupt_mode_callback = NULL;
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static watch_interrupt_trigger external_interrupt_mode_trigger = INTERRUPT_TRIGGER_NONE;
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static ext_irq_cb_t external_interrupt_light_callback = NULL;
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static watch_interrupt_trigger external_interrupt_light_trigger = INTERRUPT_TRIGGER_NONE;
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static ext_irq_cb_t external_interrupt_alarm_callback = NULL;
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static watch_interrupt_trigger external_interrupt_alarm_trigger = INTERRUPT_TRIGGER_NONE;
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#define BTN_ID_ALARM 3
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#define BTN_ID_LIGHT 1
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#define BTN_ID_MODE 2
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static const uint8_t BTN_IDS[] = { BTN_ID_ALARM, BTN_ID_LIGHT, BTN_ID_MODE };
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static void watch_invoke_interrupt_callback(const uint8_t button_id, watch_interrupt_trigger trigger);
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static EM_BOOL watch_invoke_key_callback(int eventType, const EmscriptenKeyboardEvent *keyEvent, void *userData) {
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if (output_focused || keyEvent->repeat) return EM_FALSE;
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const char *key = keyEvent->key;
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if (key[1] != 0) return EM_FALSE;
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uint8_t button_id;
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switch (key[0]) {
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case 'A':
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case 'a':
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button_id = BTN_ID_ALARM;
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break;
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case 'L':
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case 'l':
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button_id = BTN_ID_LIGHT;
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break;
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case 'M':
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case 'm':
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button_id = BTN_ID_MODE;
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break;
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default:
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return EM_FALSE;
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}
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watch_interrupt_trigger trigger = eventType == EMSCRIPTEN_EVENT_KEYDOWN ? INTERRUPT_TRIGGER_RISING : INTERRUPT_TRIGGER_FALLING;
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watch_invoke_interrupt_callback(button_id, trigger);
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return EM_TRUE;
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}
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static EM_BOOL watch_invoke_mouse_callback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData) {
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if (eventType == EMSCRIPTEN_EVENT_MOUSEOUT && mouseEvent->buttons == 0) return EM_FALSE;
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uint8_t button_id = *(const char *)userData;
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watch_interrupt_trigger trigger = eventType == EMSCRIPTEN_EVENT_MOUSEDOWN ? INTERRUPT_TRIGGER_RISING : INTERRUPT_TRIGGER_FALLING;
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watch_invoke_interrupt_callback(button_id, trigger);
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return EM_TRUE;
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}
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static EM_BOOL watch_invoke_touch_callback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData) {
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uint8_t button_id = *(const char *)userData;
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watch_interrupt_trigger trigger = eventType == EMSCRIPTEN_EVENT_TOUCHSTART ? INTERRUPT_TRIGGER_RISING : INTERRUPT_TRIGGER_FALLING;
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watch_invoke_interrupt_callback(button_id, trigger);
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return EM_TRUE;
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}
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static EM_BOOL watch_invoke_focus_callback(int eventType, const EmscriptenFocusEvent *focusEvent, void *userData) {
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output_focused = eventType == EMSCRIPTEN_EVENT_FOCUS;
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return EM_TRUE;
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}
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static void watch_install_button_callbacks(void) {
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emscripten_set_keydown_callback(EMSCRIPTEN_EVENT_TARGET_DOCUMENT, NULL, EM_FALSE, watch_invoke_key_callback);
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emscripten_set_keyup_callback(EMSCRIPTEN_EVENT_TARGET_DOCUMENT, NULL, EM_FALSE, watch_invoke_key_callback);
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const char *target_output = "#output";
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emscripten_set_focus_callback(target_output, NULL, EM_FALSE, watch_invoke_focus_callback);
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emscripten_set_blur_callback(target_output, NULL, EM_FALSE, watch_invoke_focus_callback);
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for (int i = 0, count = sizeof(BTN_IDS) / sizeof(BTN_IDS[0]); i < count; i++) {
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char target[] = "#btn_";
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target[4] = BTN_IDS[i] + '0';
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emscripten_set_mousedown_callback(target, (void *)&BTN_IDS[i], EM_FALSE, watch_invoke_mouse_callback);
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emscripten_set_mouseup_callback(target, (void *)&BTN_IDS[i], EM_FALSE, watch_invoke_mouse_callback);
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emscripten_set_mouseout_callback(target, (void *)&BTN_IDS[i], EM_FALSE, watch_invoke_mouse_callback);
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emscripten_set_touchstart_callback(target, (void *)&BTN_IDS[i], EM_FALSE, watch_invoke_touch_callback);
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emscripten_set_touchend_callback(target, (void *)&BTN_IDS[i], EM_FALSE, watch_invoke_touch_callback);
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}
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}
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void watch_enable_external_interrupts(void) {
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external_interrupt_enabled = true;
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if (!button_callbacks_installed) {
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watch_install_button_callbacks();
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button_callbacks_installed = true;
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}
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}
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void watch_disable_external_interrupts(void) {
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external_interrupt_enabled = false;
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}
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static void watch_invoke_interrupt_callback(const uint8_t button_id, watch_interrupt_trigger event) {
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if (!external_interrupt_enabled) return;
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ext_irq_cb_t callback;
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watch_interrupt_trigger trigger;
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uint8_t pin;
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switch (button_id) {
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case BTN_ID_MODE:
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pin = BTN_MODE;
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callback = external_interrupt_mode_callback;
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trigger = external_interrupt_mode_trigger;
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break;
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case BTN_ID_LIGHT:
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pin = BTN_LIGHT;
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callback = external_interrupt_light_callback;
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trigger = external_interrupt_light_trigger;
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break;
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case BTN_ID_ALARM:
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pin = BTN_ALARM;
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callback = external_interrupt_alarm_callback;
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trigger = external_interrupt_alarm_trigger;
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break;
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default:
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return;
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}
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const bool level = (event & INTERRUPT_TRIGGER_RISING) != 0;
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EM_ASM({
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const classList = document.querySelector('#btn' + $0).classList;
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const highlight = 'highlight';
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$1 ? classList.add(highlight) : classList.remove(highlight);
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}, button_id, level);
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watch_set_pin_level(pin, level);
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if (callback && (event & trigger) != 0) {
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callback();
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void resume_main_loop(void);
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resume_main_loop();
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}
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}
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void watch_register_interrupt_callback(const uint8_t pin, ext_irq_cb_t callback, watch_interrupt_trigger trigger) {
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if (pin == BTN_MODE) {
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external_interrupt_mode_callback = callback;
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external_interrupt_mode_trigger = trigger;
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} else if (pin == BTN_LIGHT) {
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external_interrupt_light_callback = callback;
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external_interrupt_light_trigger = trigger;
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} else if (pin == BTN_ALARM) {
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external_interrupt_alarm_callback = callback;
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external_interrupt_alarm_trigger = trigger;
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}
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}
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void watch_register_button_callback(const uint8_t pin, ext_irq_cb_t callback) {
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watch_register_interrupt_callback(pin, callback, INTERRUPT_TRIGGER_RISING);
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}
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void watch_enable_buttons(void) {
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watch_enable_external_interrupts();
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}
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