Add the 74HC595 Snake game project

2026-06-12 12:40:08 -04:00
parent 200156c432
commit f0561b449a
26 changed files with 1009 additions and 0 deletions
--- a/08-74HC595-Snake/7Segment.cpp
+++ b/08-74HC595-Snake/7Segment.cpp
@@ -0,0 +1,42 @@
+#include <Arduino.h>
+#include "7Segment.h"
+#include "IC74HC595.h"
+#include "error.h"
+
+int init7Segment() {
+    pinMode(PIN_7SEGMENT_DIGIT1, OUTPUT);
+    pinMode(PIN_7SEGMENT_DIGIT2, OUTPUT);
+    pinMode(PIN_7SEGMENT_DIGIT3, OUTPUT);
+    pinMode(PIN_7SEGMENT_DIGIT4, OUTPUT);
+    return ERRNO_SUCCESS;
+}
+
+void test7Segment()
+{
+	uint8_t segments[] = {
+		PIN_7SEGMENT_DIGIT1,
+		PIN_7SEGMENT_DIGIT2,
+		PIN_7SEGMENT_DIGIT3,
+		PIN_7SEGMENT_DIGIT4
+	};
+	for ( int j = 0; j < 4 ; j++ ) {
+		select7SegDisplay(segments[j]);
+		for ( int i = 0 ; i < 8; i++ ) {
+			if ( i > 0 ) {
+				writeIC74HC595Char(&scoreboard, ((uint8_t) ~(SEG_DP | (1 << i))), MSBFIRST);
+			} else {
+				writeIC74HC595Char(&scoreboard, ((uint8_t) ~(SEG_DP | 1)), MSBFIRST);
+			}
+			delay(1000);
+		}
+	}
+}
+int select7SegDisplay(uint8_t pin)
+{
+    digitalWrite(PIN_7SEGMENT_DIGIT1, LOW);
+    digitalWrite(PIN_7SEGMENT_DIGIT2, LOW);
+    digitalWrite(PIN_7SEGMENT_DIGIT3, LOW);
+    digitalWrite(PIN_7SEGMENT_DIGIT4, LOW);
+    digitalWrite(pin, HIGH);
+    return ERRNO_SUCCESS;
+}