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.h	Fri Sep 02 15:07:44 2016 +0100
@@ -0,0 +1,144 @@
+/**
+ ******************************************************************************
+ * @file    rtc.h
+ * @brief	(API) Public header of RTC driver
+ * @internal
+ * @author   ON Semiconductor
+ * $Rev: 3485 $
+ * $Date: 2015-07-14 15:20:11 +0530 (Tue, 14 Jul 2015) $
+ ******************************************************************************
+ * @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
+ */
+
+#ifndef RTC_H_
+#define RTC_H_
+
+#include "rtc_map.h"
+#include "clock.h"
+#include "memory_map.h"
+
+#define RTC_CLOCK_HZ				 			32768
+#define RTC_SEC_TO_US							1000000
+#define RTC_SUB_SEC_MASK						0x7FFF
+#define RTC_SEC_MASK							0xFFFFFFFF
+#define RTC_SEC_INT_STATUS_MASK					0x2
+
+#define RTC_SUBSEC_INTERRUPT_BIT_VAL			0x1
+#define RTC_SEC_INTERRUPT_BIT_VAL				0x2
+#define RTC_ALL_INTERRUPT_BIT_VAL				0x3
+
+#define RTC_INT_CLR_SUB_SEC_BIT_POS				0
+#define RTC_INT_CLR_SEC_BIT_POS					1
+
+#define RTC_CONTROL_SUBSEC_CNT_START_BIT_POS	0
+#define RTC_CONTROL_SEC_CNT_START_BIT_POS		1
+#define RTC_CONTROL_SUBSEC_CNT_INT_BIT_POS		2
+#define RTC_CONTROL_SEC_CNT_INT_BIT_POS			3
+
+#define RTC_STATUS_SUB_SEC_INT_CLR_WRT_BIT_POS	9
+#define RTC_STATUS_SEC_INT_CLR_WRT_BIT_POS		10
+
+/* FUnction pointer for call back */
+typedef void (* fRtcCallBack)(void);
+
+/**
+ * @details
+ * Initializes RTC, enable RTC & register call back function
+ *
+ * @param RtcCallBack Function pointer for RTC call back funtion
+ * @return None
+ */
+void fRtcInit(void);
+
+/**
+ * @details
+ * Disable RTC
+ *
+ * @param None
+ * @return None
+ */
+void fRtcFree(void);
+
+/**
+ * @details
+ * Set up alram for RTC interrupt in micro second
+ * Pre-requisite: Both second & sub second interrupts should be cleared.
+ * @param TimeStamp in micro seconds
+ * @return None
+ */
+void fRtcSetInterrupt(uint32_t timestamp);
+
+/**
+ * @details
+ * Disable interrupt
+ *
+ * @param None
+ * @return None
+ */
+void fRtcDisableInterrupt(void);
+
+/**
+ * @details
+ * Enable interrupt
+ *
+ * @param None
+ * @return None
+ */
+void fRtcEnableInterrupt(void);
+
+/**
+ * @details
+ * Clear interrupt
+ *
+ * @param None
+ * @return None
+ */
+void fRtcClearInterrupt(void);
+
+/**
+ * @details
+ * Returns RTC time in micro seconds
+ *
+ * @param None
+ * @return RTC Time in micro second
+ */
+uint64_t fRtcRead(void);
+
+/**
+ * @details
+ * Set RTC time in micro seconds
+ *
+ * @param RtcTime in micro Seconds
+ * @return None
+ */
+void fRtcWrite(uint64_t RtcTimeus);
+
+/**
+ * @details
+ * RTC interrupt handler
+ *
+ * @param None
+ * @return None
+ */
+void fRtcHandler(void);
+
+/**
+ * @details
+ * Is RTC enabled?
+ *
+ * @param None
+ * @return RTC status
+ */
+boolean fIsRtcEnabled(void);
+#endif /* RTC_H_ */