inital commit working

writepin.cpp

@@ -0,0 +1,19 @@
+#include "writepin.h"
+
+void writePin(volatile unsigned char *port, const unsigned char pin, const bool state) //waste 2 cycles
+{
+    if(!state) *port  &= ~(1 << pin);
+    else *port |= (1 << pin);
+}
+
+void setBit( volatile unsigned char *reg, const unsigned char bit, bool value )
+{
+    writePin(reg, bit, value);
+}
+
+void setDirection( volatile unsigned char *portDirReg, const unsigned char pin, bool makeOutput )
+{
+    writePin(portDirReg, pin, makeOutput);
+}
+
+bool readPin( volatile unsigned char *inPort, const unsigned char pin){ return (bool) (*inPort & (1 << pin));}