Clock working, I2C communication to be proven

Core/Src/clock.c

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+/*
+ * clock.c
+ *
+ *  Created on: Mar 26, 2026
+ *      Author: ewars
+ */
+
+
+#include "clock.h"
+
+// define LED marking 12:00 or 00:00
+#define LED_ZERO_OFFSET 10
+
+
+uint8_t clock_convert_hours(uint8_t hours){
+	int8_t h = 0;
+	uint8_t led = 0;
+
+	// input check
+	if(hours < 24){
+
+		if(hours > 12){
+			h = hours - 12;
+		}
+		else{
+			h = hours;
+		}
+
+		led = 2 * h + LED_ZERO_OFFSET;
+		if(led > 23){
+			led -= 24;
+		}
+
+	}
+
+	return led;
+
+}
+
+uint8_t clock_convert_min_sec(uint8_t min_sec){
+
+	float led = 0;
+
+	if(min_sec < 60){
+		led = (float) min_sec/(60/24);
+
+		led += LED_ZERO_OFFSET;
+		if(led > 23){
+			led -= 24;
+		}
+	}
+
+	return (uint8_t) led;
+}
+