added opdr 2.4

2021-02-10 20:17:58 +01:00
parent a26e370acb
commit c2b532b8ae
8 changed files with 592 additions and 0 deletions
--- a/Microcontrollers/opdracht
+++ b/Microcontrollers/opdracht
@@ -0,0 +1,79 @@
+/* ---------------------------------------------------------------------------
+** This software is in the public domain, furnished "as is", without technical
+** support, and with no warranty, express or implied, as to its usefulness for
+** any purpose.
+**
+** lookup.c
+**
+** Beschrijving:	Ledpatroon op PORTD dmv table lookup (scheiding logica en data)    
+** Target:			AVR mcu
+** Build:			avr-gcc -std=c99 -Wall -O3 -mmcu=atmega128 -D F_CPU=8000000UL -c switch.c
+**					avr-gcc -g -mmcu=atmega128 -o lookup.elf lookup.o
+**					avr-objcopy -O ihex lookup.elf lookup.hex 
+**					or type 'make'
+** Author: 			dkroeske@gmail.com
+** -------------------------------------------------------------------------*/
+
+#define F_CPU 10e6
+#include <avr/io.h>
+#include <util/delay.h>
+#include <stdlib.h>
+
+typedef struct {
+	unsigned char data;
+	unsigned int delay;
+	} SEGMENT_DELAY;
+
+SEGMENT_DELAY segments[] = {
+	/* go around the outer layer twice */
+	//	0		a			b			c			d			e			f
+ 	{0x00,100},{0x01,100},{0x02,100},{0x04,100},{0x08,100},{0x10,100},{0x20,100},{0x01,100},{0x02,100},{0x04,100},{0x08,100},{0x10,100},{0x20,100},
+	/*	then fill it starting at a */	 
+	{0x01,100},{0x03,100},{0x07,100},{0x0F,100},{0x1F,100},{0x3F,100},{0b00111110,100},{0b00111100,100},{0b00111000,100},{0b00110000,100},{0b00100000,100},
+	/* blink the 3 horizontal bars 2 times from top to bottom*/
+	{0x01,50},{0x00,50},{0x01,50},{0x00,50},{0x01,50},{0x00,50},{0x01,50},{0x00,50},
+	{0b01000000,50},{0x00,50},{0b01000000,50},{0x00,50},{0b01000000,50},{0x00,50},{0b01000000,50},{0x00,50},
+	{0x08,50},{0x00,50},{0x08,50},{0x00,50},{0x08,50},{0x00,50},{0x08,50},{0x00,50}
+	/* go in a figure 8 pattern pattern*/
+		 
+};
+
+
+/************************************************************************/
+/* wait method
+waits a specific amount of miliseconds                                                                     */
+/************************************************************************/
+void wait( int ms )
+
+{
+	for (int i=0; i<ms; i++)
+	{
+		_delay_ms( 1 );		// library function (max 30 ms at 8MHz)
+	}
+}
+
+int main( void )
+{
+	DDRA = 0xFF;
+	
+	
+	while (1==1)
+	{
+		// Set index to begin of pattern array
+		int index = 0;
+		// as long as delay has meaningful content
+		for (int i = 0; i < sizeof(segments)/sizeof(segments[0]); i++)
+		{
+			// Write data to PORTA
+			PORTA = segments[index].data;
+			// wait
+			wait(segments[index].delay);
+			// increment for next round
+			index++;
+		}
+	}
+	/*we need to free the memory taken up by the array, otherwise it won't clear properly*/
+	free(segments);
+
+	return 1;
+}