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161 lines
3.6 KiB
161 lines
3.6 KiB
/**
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* Main task
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*/
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#include <stdio.h>
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#include <math.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 "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 "ufb/fb_7seg.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, "T=%d°C", (int) s_app.oven_temp);
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fb_text(3, 3, tmp, FONT_5X7, 1);
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sprintf(tmp, "Cil=%d°C", s_app.set_temp);
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fb_text(3, 11, tmp, FONT_5X7, 1);
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sprintf(tmp, "Stav=%s", s_app.run ? "ZAP" : "VYP");
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fb_text(3, 19, tmp, FONT_5X7, 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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// some funny effects to showcase responsiveness and circle drawing
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fb_circle(FBW / 2, 70, 18, 1, 1);
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for (int i = 0; i < 6; i++) {
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float x = FBW / 2;
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float y = 70;
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int ii = i;
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float angle = (float) ii * (M_PI / 3.0) - s_app.wheel_normed * (M_PI / 24);
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x = x + sinf(angle) * 10;
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y = y + cosf(angle) * 10;
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fb_circle((fbpos_t) x, (fbpos_t) y, 4, i==0?4:1, 1);
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}
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fb_text(0, s_app.wheel_normed, ":3 :3", FONT_4X5, 1);
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fb_7seg_number(
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2, FBH - 20,
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10, 16,
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2, // th
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2, // spacing
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1, // color
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s_app.wheel,
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4, // places
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2);// decimals
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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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uint32_t last_blink = xTaskGetTickCount();
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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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}
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vTaskDelay(pdMS_TO_TICKS(10));
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now = osKernelGetTickCount();
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if (now - last_blink > 250) {
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HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
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last_blink = now;
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}
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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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