added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

Revision:
144:ef7eb2e8f9f7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_ONSEMI/TARGET_NCS36510/rtc_api.c	Fri Sep 02 15:07:44 2016 +0100
@@ -0,0 +1,69 @@
+/**
+******************************************************************************
+* @file rtc_api.c
+* @brief Implementation of a RTC driver
+* @internal
+* @author ON Semiconductor
+* $Rev: 0.1 $
+* $Date: 2016-01-20 12:09:00 +0530 (Wed, 20 Jan 2016) $
+******************************************************************************
+* @copyright (c) 2012 ON Semiconductor. All rights reserved.
+* ON Semiconductor is supplying this software for use with ON Semiconductor
+* processor based microcontrollers only.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+* ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
+* INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+* @endinternal
+*
+* @ingroup rtc
+*
+*/
+#include "rtc_api.h"
+#if DEVICE_RTC
+#include "device.h"
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "PeripheralPins.h"
+#include "mbed_assert.h"
+#include <string.h>
+#include "rtc.h"
+#include "cmsis_nvic.h"
+
+static IRQn_Type Irq;
+
+/* See rtc_apc.h for description */
+
+void rtc_init(void)
+{
+    fRtcInit();
+}
+
+/* See rtc_apc.h for description */
+void rtc_free(void)
+{
+    fRtcFree();
+}
+
+/* See rtc_apc.h for description */
+int rtc_isenabled(void)
+{
+    return(fIsRtcEnabled());
+}
+
+/* See rtc_apc.h for description */
+time_t rtc_read(void)
+{
+    return (uint32_t)(fRtcRead() & 0xFFFFFFFF); /* TODO Truncating 64 bit value to 32 bit */
+}
+
+/* See rtc_apc.h for description */
+void rtc_write(time_t t)
+{
+    fRtcWrite(t);
+}
+
+#endif /* DEVICE_RTC */