Init

contr.c

@@ -0,0 +1,85 @@
+/*
+ * Copyright 2017-2024 Oleg Borodin <onborodin@gmail.com>
+ */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include <avr/interrupt.h>
+#include <util/delay.h>
+
+#include <tool.h>
+#include <eeprom.h>
+#include <disp.h>
+#include <timer.h>
+#include <adc.h>
+#include <button.h>
+
+#include <contr.h>
+
+button_t volume_button;
+
+typedef struct {
+    uint8_t volume;
+    bool volume_updated;
+} contr_t;
+
+contr_t contr;
+
+void contr_init(void) {
+    contr.volume = 0;
+    contr.volume_updated = false;
+}
+
+void contr_setup(void) {
+}
+
+ISR(TIMER0_OVF_vect) {
+    button_handle(&volume_button);
+}
+
+
+void contr_show_logo(void) {
+    disp_clear();
+    char* dispstr = "Made by R2FDX";
+    disp_string(1, 1, dispstr);
+    _delay_ms(100);
+    disp_clear();
+}
+
+#define CONTR_DISPSTR_SIZE 16
+
+void contr_show_volume(void) {
+    char dispstr[CONTR_DISPSTR_SIZE];
+    sprintf(dispstr, "%4d", contr.volume);
+    disp_string(1, 1, dispstr);
+}
+
+#define MAX_VOLUME 64
+
+void contr_calc_volume(void) {
+    if (button_was_pressed(&volume_button) == true) {
+        contr.volume++;
+        contr.volume_updated = true;
+    }
+    if (contr.volume > MAX_VOLUME) {
+        contr.volume = 0;
+        contr.volume_updated = true;
+    }
+}
+
+void contr_main(void) {
+    contr_show_logo();
+    uint16_t counter = 0;
+    while (true) {
+        counter++;
+        _delay_ms(10);
+        contr_calc_volume();
+        contr_show_volume();
+    }
+}
+