inital commit

writepin.cpp

@@ -0,0 +1,20 @@
+#include "writepin.h"
+
+void writePin(volatile unsigned char * const port, const unsigned char pin, const bool state)
+{
+	*port = (*port & ~(1 << pin)) | (1 << pin)*state;
+    //if(!state) *port &= ~(1 << pin);
+    //else *port |= (1 << pin);
+}
+
+void setBit( volatile unsigned char * const reg, const unsigned char bit, const bool value )
+{
+    writePin(reg, bit, value);
+}
+
+void setDirection( volatile unsigned char * const portDirReg, const unsigned char pin, const bool makeOutput )
+{
+    writePin(portDirReg, pin, makeOutput);
+}
+
+bool readPin( volatile const unsigned char * const inPort, const unsigned char pin){ return (bool) (*inPort & (1 << pin));}