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122 lines
2.7 KiB
122 lines
2.7 KiB
/**
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* Main task
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*/
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#include <stdio.h>
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#include "FreeRTOS.h"
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#include "task.h"
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#include "main.h"
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#include "app.h"
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#include "ufb/framebuffer.h"
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#include "iwdg.h"
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#include "app_oled.h"
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#include "ufb/fb_text.h"
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#include "app_temp.h"
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#include "app_knob.h"
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#include "app_buzzer.h"
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#include "app_heater.h"
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#include "cmsis_os2.h"
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static struct App {
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float oven_temp;
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int16_t set_temp;
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int16_t wheel_normed;
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uint16_t wheel;
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bool run;
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} s_app = {};
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static void redraw_display() {
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fb_clear();
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char tmp[100];
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sprintf(tmp, "Mereni: %d°C", (int) s_app.oven_temp);
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fb_text(10, 5, tmp, 0, 1);
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sprintf(tmp, " Cil: %d°C", s_app.set_temp);
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fb_text(10, 20, tmp, 0, 1);
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sprintf(tmp, " Stav: %s", s_app.run ? "ZAP" : "VYP");
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fb_text(10, 35, tmp, 0, 1);
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if (s_app.run) {
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fb_frame(0, 0, FBW, FBH, 2, 1);
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}
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fb_blit();
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}
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void app_task_main(void *argument)
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{
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app_analog_init();
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app_buzzer_init();
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app_knob_init();
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/* Prepare the framebuffer and OLED interface */
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oled_init();
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fb_clear();
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/* Infinite loop */
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bool old_pushed = app_knob_pushed();
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bool any_change = true;
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uint32_t last_redraw = osKernelGetTickCount();
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for (;;) {
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// sampling is done in the heater loop
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s_app.oven_temp = app_temp_read_oven();
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uint16_t old_wheel = s_app.wheel;
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s_app.wheel = app_knob_get_raw();
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// TODO do this with interrupt and/or debouncing
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bool pushed = app_knob_pushed();
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if (pushed && !old_pushed) {
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s_app.run ^= 1;
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app_heater_enable(s_app.run);
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app_buzzer_beep();
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any_change = true;
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}
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old_pushed = pushed;
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int16_t wheel_change = (int16_t)(s_app.wheel - old_wheel);
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if (wheel_change != 0) {
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s_app.wheel_normed += wheel_change;
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if (s_app.wheel_normed < 0) {
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s_app.wheel_normed = 0;
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}
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if (s_app.wheel_normed > 500) {
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s_app.wheel_normed = 500;
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}
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int16_t old_temp = s_app.set_temp;
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s_app.set_temp = (s_app.wheel_normed / 2) * 5;
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if (old_temp != s_app.set_temp) {
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app_buzzer_beep();
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app_heater_set_target((float) s_app.set_temp);
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any_change = true;
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}
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}
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uint32_t now = osKernelGetTickCount();
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if (any_change || (now - last_redraw > pdMS_TO_TICKS(500))) {
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last_redraw = now;
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redraw_display();
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any_change = false;
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// Blink
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HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
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}
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vTaskDelay(pdMS_TO_TICKS(10));
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// feed dogs
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HAL_IWDG_Refresh(&hiwdg);
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}
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}
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