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toaster-oven-bluepill/Core/Src/app_main.c

165 lines
3.6 KiB

/**
* Main task
*/
#include <stdio.h>
#include <math.h>
#include "FreeRTOS.h"
#include "task.h"
#include "main.h"
#include "ufb/framebuffer.h"
#include "iwdg.h"
#include "app_oled.h"
#include "ufb/fb_text.h"
#include "ufb/fb_7seg.h"
#include "app_temp.h"
#include "app_knob.h"
#include "app_buzzer.h"
#include "app_heater.h"
#include "cmsis_os2.h"
static struct App {
float oven_temp;
int16_t set_temp;
int16_t wheel_normed;
uint16_t wheel;
bool run;
} s_app = {};
static void redraw_display() {
fb_clear();
char tmp[100];
SPRINTF(tmp, "T=%d°C", (int) s_app.oven_temp);
fb_text(3, 3, tmp, FONT_5X7, 1);
SPRINTF(tmp, "Cil=%d°C", s_app.set_temp);
fb_text(3, 11, tmp, FONT_5X7, 1);
SPRINTF(tmp, "Stav=%s", s_app.run ? "ZAP" : "VYP");
fb_text(3, 19, tmp, FONT_5X7, 1);
if (s_app.run) {
fb_frame(0, 0, FBW, FBH, 2, 1);
}
// some funny effects to showcase responsiveness and circle drawing
fb_circle(FBW / 2, 70, 18, 1, 1);
for (int i = 0; i < 6; i++) {
float x = FBW / 2;
float y = 70;
int ii = i;
float angle = (float) ii * (M_PI / 3.0) - s_app.wheel_normed * (M_PI / 24);
x = x + sinf(angle) * 10;
y = y + cosf(angle) * 10;
fb_circle((fbpos_t) x, (fbpos_t) y, 4, i==0?4:1, 1);
}
fb_text(0, s_app.wheel_normed, ":3 :3", FONT_4X5, 1);
fb_7seg_number(
2, FBH - 20,
10, 16,
2, // th
2, // spacing
1, // color
s_app.wheel,
4, // places
2);// decimals
fb_blit();
}
void app_task_main(void *argument)
{
PUTS("Main task\r\n");
app_analog_init();
app_buzzer_init();
app_knob_init();
/* Prepare the framebuffer and OLED interface */
oled_init();
fb_clear();
// while(1) {
// LL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
// vTaskDelay(pdMS_TO_TICKS(250));
// LL_IWDG_ReloadCounter(IWDG);
// }
/* Infinite loop */
bool old_pushed = app_knob_pushed();
bool any_change = true;
uint32_t last_redraw = osKernelGetTickCount();
PUTS("Loop\r\n");
for (;;) {
// sampling is done in the heater loop
s_app.oven_temp = app_temp_read_oven();
uint16_t old_wheel = s_app.wheel;
s_app.wheel = app_knob_get_raw();
// TODO do this with interrupt and/or debouncing
bool pushed = app_knob_pushed();
if (pushed && !old_pushed) {
s_app.run ^= 1;
app_heater_enable(s_app.run);
app_buzzer_beep();
any_change = true;
}
old_pushed = pushed;
int16_t wheel_change = (int16_t)(s_app.wheel - old_wheel);
if (wheel_change != 0) {
s_app.wheel_normed += wheel_change;
if (s_app.wheel_normed < 0) {
s_app.wheel_normed = 0;
}
if (s_app.wheel_normed > 500) {
s_app.wheel_normed = 500;
}
int16_t old_temp = s_app.set_temp;
s_app.set_temp = (s_app.wheel_normed / 2) * 5;
if (old_temp != s_app.set_temp) {
app_buzzer_beep();
app_heater_set_target((float) s_app.set_temp);
any_change = true;
}
}
uint32_t now = osKernelGetTickCount();
if (any_change || (now - last_redraw > pdMS_TO_TICKS(500))) {
last_redraw = now;
redraw_display();
any_change = false;
// Blink
LL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
}
vTaskDelay(pdMS_TO_TICKS(10));
// feed dogs
LL_IWDG_ReloadCounter(IWDG);
}
}