sensor-watch/watch-library/simulator/watch/watch_slcd.c
2022-01-27 11:12:01 -05:00

118 lines
3.7 KiB
C

/*
* MIT License
*
* Copyright (c) 2020 Joey Castillo
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "watch_slcd.h"
#include "watch_private_display.h"
#include "hpl_slcd_config.h"
#include <emscripten.h>
#include <emscripten/html5.h>
//////////////////////////////////////////////////////////////////////////////////////////
// Segmented Display
static char blink_character;
static bool blink_state;
static long blink_interval_id = - 1;
static bool tick_state;
static long tick_interval_id = -1;
void watch_enable_display(void) {
watch_clear_display();
}
void watch_set_pixel(uint8_t com, uint8_t seg) {
EM_ASM({
document.querySelectorAll("[data-com='" + $0 + "'][data-seg='" + $1 + "']")
.forEach((e) => e.style.opacity = 1);
}, com, seg);
}
void watch_clear_pixel(uint8_t com, uint8_t seg) {
EM_ASM({
document.querySelectorAll("[data-com='" + $0 + "'][data-seg='" + $1 + "']")
.forEach((e) => e.style.opacity = 0);
}, com, seg);
}
void watch_clear_display(void) {
EM_ASM({
document.querySelectorAll("[data-com][data-seg]")
.forEach((e) => e.style.opacity = 0);
});
}
static void watch_invoke_blink_callback(void *userData) {
blink_state = !blink_state;
watch_display_character(blink_state ? blink_character : ' ', 7);
watch_clear_pixel(2, 10); // clear segment B of position 7 since it can't blink
}
void watch_start_character_blink(char character, uint32_t duration) {
if (blink_interval_id != -1) return;
watch_display_character(character, 7);
watch_clear_pixel(2, 10); // clear segment B of position 7 since it can't blink
blink_state = true;
blink_character = character;
blink_interval_id = emscripten_set_interval(watch_invoke_blink_callback, (double)duration, NULL);
}
void watch_stop_blink(void) {
emscripten_clear_timeout(blink_interval_id);
blink_interval_id = -1;
blink_state = false;
}
static void watch_invoke_tick_callback(void *userData) {
tick_state = !tick_state;
if (tick_state) {
watch_clear_pixel(0, 2);
watch_set_pixel(0, 3);
} else {
watch_clear_pixel(0, 3);
watch_set_pixel(0, 2);
}
}
void watch_start_tick_animation(uint32_t duration) {
if (tick_interval_id != -1) return;
watch_display_character(' ', 8);
tick_state = true;
tick_interval_id = emscripten_set_interval(watch_invoke_tick_callback, (double)duration, NULL);
}
bool watch_tick_animation_is_running(void) {
return tick_interval_id != -1;
}
void watch_stop_tick_animation(void) {
emscripten_clear_timeout(tick_interval_id);
tick_interval_id = -1;
tick_state = false;
watch_display_character(' ', 8);
}