solved Task 3.2 a

2022-09-30 09:02:03 +02:00
parent 63e84bd4ec
commit f1279845a8
8 changed files with 283 additions and 263 deletions
@@ -29,6 +29,8 @@
 /// STUDENTS: To be programmed
 #define BRIGHT_MASK 0xC0
 #define DARK_MASK 0xCF
+#define BUTTON_MASK 0x0F
+#define T0_MASK 0x01



@@ -40,7 +42,9 @@ int main(void)

    // add variables below
    /// STUDENTS: To be programmed
-
+		uint8_t button_value = 0;
+		uint8_t button_counter = 0;
+		int counted = 0;



@@ -53,6 +57,20 @@ int main(void)
        /// STUDENTS: To be programmed
 				led_value = (led_value | BRIGHT_MASK);
 				led_value = (led_value & DARK_MASK);
+			
+				
+				button_value = read_byte(ADDR_BUTTONS);
+				button_value = button_value & BUTTON_MASK;
+				if((button_value & T0_MASK) > 0) {
+					if(counted == 0) {
+						button_counter = button_counter + 1;
+						counted = 1;
+					}
+				} else {
+					counted = 0;
+				}
+				
+				write_byte(ADDR_LED_15_8, button_counter);