Start to write the MSP430X demo.

Demo/MSP430X_MSP430F5438_IAR/low_level_init.c

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+/**************************************************
+ *
+ * This is a template for early application low-level initialization.
+ *
+ * Copyright 1996-2010 IAR Systems AB.
+ *
+ * $Revision: 5993 $
+ *
+ **************************************************/
+
+/*
+ * The function __low_level_init it called by the start-up code before
+ * "main" is called, and before data segment initialization is
+ * performed.
+ *
+ * This is a template file, modify to perform any initialization that
+ * should take place early.
+ *
+ * The return value of this function controls if data segment
+ * initialization should take place. If 0 is returned, it is bypassed.
+ *
+ * For the MSP430 microcontroller family, please consider disabling
+ * the watchdog timer here, as it could time-out during the data
+ * segment initialization.
+ */
+
+/*
+ * To disable the watchdog timer, include a suitable device header
+ * file (or "msp430.h") and add the following line to the function
+ * below:
+ *
+ *     WDTCTL = WDTPW+WDTHOLD;
+ *
+ */
+
+
+#include <intrinsics.h>
+#include "msp430.h"
+
+int __low_level_init(void)
+{
+  /* Insert your low-level initializations here */
+  
+  WDTCTL = WDTPW+WDTHOLD;
+  
+  /*
+   * Return value:
+   *
+   *  1 - Perform data segment initialization.
+   *  0 - Skip data segment initialization.
+   */
+
+  return 1;
+}