add opdracht 1.6

Microcontrollers/opdracht 1.6/main.c

@@ -0,0 +1,104 @@
+/*
+ * main.c
+ *
+ * Created: 03-Feb-21 9:17:12 AM
+ *  Author: lemms
+ */ 
+# define F_CPU 10000000UL
+
+#include <util/delay.h>
+#include <avr/io.h>
+
+typedef enum {
+	false = 0,
+	true = 1
+} bool;
+
+/******************************************************************/
+void wait( int ms )
+/* 
+short:			Busy wait number of milliseconds
+inputs:			int ms (Number of milliseconds to busy wait)
+outputs:	
+notes:			Busy wait, not very accurate. Make sure (external)
+				clock value is set. This is used by _delay_ms inside
+				util/delay.h
+Version :    	DMK, Initial code
+*******************************************************************/
+{
+	for (int i=0; i<ms; i++)
+	{
+		_delay_ms( 1 );		// library function (max 30 ms at 8MHz)
+	}
+}
+
+void sbi(int REG, int index){
+	REG |= (1<<index);
+}
+
+void cbi(int REG, int index){
+	REG &= ~(1<<index);
+}
+
+int tbi(int REG, int index){
+	REG ^= (1<<index);
+	return REG;
+}
+
+bool checkButton(){
+	return (PINC & 1);
+}
+
+bool checkButtonToggle(bool pressed){
+	return (checkButton() == true) && (pressed == false);
+}
+
+/******************************************************************/
+int main( void )
+/* 
+short:			main() loop, entry point of executable
+inputs:			
+outputs:	
+notes:			Looping forever, flipping bits on PORTD
+Version :    	DMK, Initial code
+*******************************************************************/
+{
+	bool pressed = checkButton();
+	bool state = false;
+	int ms = 0;
+	int button = 0;
+	int setTime = 1000;
+	DDRD = 0b11111111;            // All pins PORTD are set to output
+	DDRC = 0b00000000;			// set pint input
+
+	while (1)
+	{
+		
+		if(checkButtonToggle(pressed)){
+			pressed = checkButton();
+			state = !state;
+		}
+
+		if(pressed && !checkButton()){
+			pressed = false;
+		}
+		
+		if(state){
+			setTime = 250;
+		} else {
+			setTime = 1000;
+		}
+		
+		if(ms >= setTime){
+			PORTD = tbi(PORTD, 0);
+			ms = 0;
+		}
+
+		wait(1);
+		
+		ms++;
+	}
+
+	return 1;
+}
+