add mbed_lpc1768 hwtimer stub

closes #586

boards/mbed_lpc1768/hwtimer_board.c

@@ -0,0 +1,67 @@
+/**
+ * MBED LPC1768 board hwtimer_arch.h implementation stub
+ *
+ * TODO: implement
+ *
+ * Copyright (C) 2014 Ludwig Ortmann
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License. See the file LICENSE in the top level directory for more
+ * details.
+ *
+ * @ingroup hwtimer
+ * @ingroup mbed_lpc1768
+ * @{
+ * @author  Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
+ * @file
+ * @}
+ */
+
+#include <inttypes.h>
+
+#include "hwtimer_arch.h"
+
+#define ENABLE_DEBUG (1)
+#include "debug.h"
+
+void hwtimer_arch_enable_interrupt(void)
+{
+    DEBUG("hwtimer_arch_enable_interrupt(): not implemented\n");
+    return;
+}
+
+void hwtimer_arch_disable_interrupt(void)
+{
+    DEBUG("hwtimer_arch_disable_interrupt(): not implemented\n");
+    return;
+}
+
+void hwtimer_arch_unset(short timer)
+{
+    DEBUG("hwtimer_arch_unset(%i): not implemented\n", timer);
+    return;
+}
+
+void hwtimer_arch_set(unsigned long offset, short timer)
+{
+    DEBUG("hwtimer_arch_set(%lu, %i): not implemented\n", offset, timer);
+    return;
+}
+
+void hwtimer_arch_set_absolute(unsigned long value, short timer)
+{
+    DEBUG("hwtimer_arch_set_absolute(%lu, %i): not implemented\n", value, timer);
+    return;
+}
+
+unsigned long hwtimer_arch_now(void)
+{
+    DEBUG("hwtimer_arch_now(): not implemented\n");
+    return 0;
+}
+
+void hwtimer_arch_init(void (*handler)(int), uint32_t fcpu)
+{
+    DEBUG("hwtimer_arch_init(%p, %"PRIu32"): not implemented\n", handler, fcpu);
+    return;
+}