Add example for working with 1 digit 7 digit display

Makefile

@@ -21,8 +21,9 @@ EXAMPLS = ./examples
 # Names what you can use:
 # 	- blink
 #	- shift_register
+#	- 1dig_7seg_display
 # --------------------------------------------------------------------------------------------------------------------
-OUTNAME = shift_register
+OUTNAME = 1dig_7seg_display
 
 OUTBIN = $(OUTPATH)/$(OUTNAME).bin
 OUTHEX = $(OUTPATH)/$(OUTNAME).hex

examples/1dig_7seg_display.c

@@ -0,0 +1,49 @@
+#include "../lib/Mega2560.h"
+#include <util/delay.h>
+
+const uint8_t dataPin = 2;
+const uint8_t latchPin = 3;
+const uint8_t clockPin = 4;
+
+void setup() {
+    USART_Init(MYUBRR);
+    print("Started");
+
+    pinMode(dataPin, OUTPUT);
+    pinMode(latchPin, OUTPUT);
+    pinMode(clockPin, OUTPUT);
+}
+
+int main(void) {
+    setup();
+    while (1) {
+        // show all figures
+        uint8_t i = 0;
+        for (i; i<=9; i++) {
+            setNumber(dataPin, clockPin, latchPin, i);  
+            print(i);
+            _delay_ms(1000);
+        }
+
+        // show infinity
+        while (1) {
+           setByte(dataPin, clockPin, latchPin, 0b00000001); 
+            _delay_ms(50);
+           setByte(dataPin, clockPin, latchPin, 0b00000011); 
+            _delay_ms(50);
+           setByte(dataPin, clockPin, latchPin, 0b10000010); 
+            _delay_ms(50);
+           setByte(dataPin, clockPin, latchPin, 0b10100000); 
+            _delay_ms(50);
+           setByte(dataPin, clockPin, latchPin, 0b00110000); 
+            _delay_ms(50);
+           setByte(dataPin, clockPin, latchPin, 0b00010100); 
+            _delay_ms(50);
+           setByte(dataPin, clockPin, latchPin, 0b10000100); 
+            _delay_ms(50);
+           setByte(dataPin, clockPin, latchPin, 0b11000000); 
+            _delay_ms(50);
+        }
+    }
+    return 1;
+}

lib/Mega2560.h

@@ -8,6 +8,7 @@
 #define __ATmegaxx0__
 #include "UART_driver.h"
 #include "lib_74HC595.h"
+#include "dig_7seg_display.h"
 
 #define ON true
 #define OFF false