rename

firmware/main.cpp

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+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include <avr/wdt.h>
+#include "global_vars.h"
+#include "selftest.h"
+#include "requests.h"
+
+
+#define WDT_TIMEOUT WDTO_15MS
+
+void initAll()
+{
+	spi.init();
+
+	beba0.setDirA(0x00); // alle Ausgang
+	beba0.setDirB(0xFF); // alle Eingang
+	beba1.setDirA(0x00); // alle Ausgang
+	beba1.setDirB(0xFF); // alle Eingang
+	sw.setDirB(0xFF); // alle Eingang
+
+	adu.init();
+	usart.init();
+
+	// aktiviere Interrupts
+	sei();
+	
+	// deaktiviere WDT VOLLSTAENDIG
+	MCUSR &= ~_BV(WDRF);
+	WDTCSR = 0;
+	wdt_disable();
+}
+
+void handleRequest()
+{	
+	wdt_disable();
+
+	beba1.writePortA(0xFF);
+	const uint8_t req = usart.readByte();
+	beba1.writePortA(0x00);
+
+	// starte WDT
+	wdt_enable(WDT_TIMEOUT);
+	wdt_reset();
+	
+	switch(req)
+	{
+		case RQ_DISC:
+			break;
+
+		case RQ_TEST:
+			rqTestConnection();
+			break;
+		
+		case RQ_INFO:
+			rqBoardInfo();
+			break;
+		
+		case RQ_INT:
+			rqTestIntConv();
+			break;
+
+		case RQ_BA0:
+			rqDigitalWrite0();
+			break;
+
+		case RQ_BA1:
+			rqDigitalWrite1();
+			break;
+
+		case RQ_BE0:
+			rqDigitalRead0();
+			break;
+
+		case RQ_BE1:
+			rqDigitalRead1();
+			break;
+
+		case RQ_AA0:
+			rqAnalogWrite0();
+			break;
+
+		case RQ_AA1:
+			rqAnalogWrite1();
+			break;
+
+		case RQ_ADC:
+			rqAnalogRead();
+			break;
+			
+		case RQ_ADC_DAC_STROKE:
+			rqAdcDacStroke();
+			break;
+
+		default:
+			break;
+	}
+}
+
+int main()
+{
+
+	initAll();
+
+	
+	// Reset anzeigen
+	beba0.writePortA(0xFF);
+	_delay_ms(100);
+	beba0.writePortA(0x00);
+
+	uint8_t n = 0;
+	uint8_t block[16];
+	while(1)
+	{
+		beba0.writePortA(n++ & 0xFF);
+		usart.readBlock(&block[0], 0);
+	}
+
+	while(1)
+	{
+		handleRequest();
+	}
+
+	return 0;
+}