blk_box_tc/main/drivers/game_timer.cpp
2024-08-06 17:17:38 -05:00

79 lines
1.6 KiB
C++

#ifndef GAME_TIMER_HPP
#define GAME_TIMER_HPP
#include "game_timer.h"
static bool is_module_playing;
static bool is_game_playing;
// in ms
static uint32_t game_time_left;
static uint32_t module_time_left;
static void game_timer_task(void *arg);
static uint32_t sat_sub(uint32_t x, uint32_t y);
void init_game_module_timer(void) {
xTaskCreate(game_timer_task, "game_module_timer", 4096, NULL, 10, NULL);
}
void start_game_timer(void) {
is_game_playing = true;
}
void stop_game_timer(void) {
is_game_playing = false;
}
void start_module_timer(void) {
is_module_playing = true;
}
void stop_module_timer(void) {
is_module_playing = false;
}
void set_game_time(uint32_t new_time) {
game_time_left = new_time;
}
uint32_t get_game_time() {
return game_time_left;
}
void set_module_time(uint32_t new_time) {
module_time_left = new_time;
}
uint32_t get_module_time() {
return module_time_left;
}
static void game_timer_task(void *arg)
{
TickType_t lastWakeTime = xTaskGetTickCount();
const uint32_t frequency = 100;
while (1) {
vTaskDelayUntil( &lastWakeTime, pdMS_TO_TICKS(frequency));
if (is_game_playing) {
game_time_left = sat_sub(game_time_left, frequency);
set_game_sseg_num(game_time_left / 100, 1);
}
if (is_module_playing) {
module_time_left = sat_sub(module_time_left, frequency);
set_module_sseg_num(module_time_left / 100, 1);
}
}
vTaskDelete(NULL);
}
static uint32_t sat_sub(uint32_t x, uint32_t y)
{
uint32_t res = x - y;
res &= -(res <= x);
return res;
}
#endif /* GAME_TIMER_HPP */