all the prepared mini meterbus client stuff

src/debug.cpp

@@ -0,0 +1,36 @@
+/*
+ * debug.cpp
+ *
+ *  Created on: 24.05.2014
+ *      Author: wn
+ */
+
+#include "debug.h"
+#include <msp430g2553.h>
+
+
+void debugInit() {
+#ifdef DEBUG
+  DEBUG_DIR_REG |= DEBUG_CS | DEBUG_CLK | DEBUG_OUT;
+  DEBUG_OUT_REG |= DEBUG_CS;
+  DEBUG_OUT_REG &= ~DEBUG_CLK;
+#endif
+}
+
+void debugWrite(uint8_t o) {
+#ifdef DEBUG
+  DEBUG_OUT_REG &= ~DEBUG_CS;
+
+  for (uint8_t i = 0; i < 8; i++) {
+    if (((o << i) & 0x80) == 0x80) {
+      DEBUG_OUT_REG |= DEBUG_OUT;
+    } else {
+      DEBUG_OUT_REG &= ~DEBUG_OUT;
+    }
+    DEBUG_OUT_REG |= DEBUG_CLK;
+    DEBUG_OUT_REG &= ~DEBUG_CLK;
+  }
+
+  DEBUG_OUT_REG |= DEBUG_CS;
+#endif
+}