endlich ein SPI sclk signal

main.cpp

@@ -1,7 +1,21 @@
 #include <avr/io.h>
-#include "spi.h"
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include "mcp23s17.h"
+
+
+SPI spi;
+MCP23S17 beba0(spi, SPIADR::BEBA0);
 
 int main() {
-	SPI spi_master;
+	spi.init();
+	
+	while(1) {
+	
+		SPDR = 8;
+		while(!(SPSR & _BV(SPIF)));
+		//spi.pushByte(8);
+	}
+
 	return 0;
 }