Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_ONSEMI/TARGET_NCS36510/rtc_api.c@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file rtc_api.c
<> 144:ef7eb2e8f9f7 4 * @brief Implementation of a RTC driver
<> 144:ef7eb2e8f9f7 5 * @internal
<> 144:ef7eb2e8f9f7 6 * @author ON Semiconductor
<> 144:ef7eb2e8f9f7 7 * $Rev: 0.1 $
<> 144:ef7eb2e8f9f7 8 * $Date: 2016-01-20 12:09:00 +0530 (Wed, 20 Jan 2016) $
<> 144:ef7eb2e8f9f7 9 ******************************************************************************
<> 144:ef7eb2e8f9f7 10 * @copyright (c) 2012 ON Semiconductor. All rights reserved.
<> 144:ef7eb2e8f9f7 11 * ON Semiconductor is supplying this software for use with ON Semiconductor
<> 144:ef7eb2e8f9f7 12 * processor based microcontrollers only.
<> 144:ef7eb2e8f9f7 13 *
<> 144:ef7eb2e8f9f7 14 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
<> 144:ef7eb2e8f9f7 15 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
<> 144:ef7eb2e8f9f7 16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
<> 144:ef7eb2e8f9f7 17 * ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
<> 144:ef7eb2e8f9f7 18 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
<> 144:ef7eb2e8f9f7 19 * @endinternal
<> 144:ef7eb2e8f9f7 20 *
<> 144:ef7eb2e8f9f7 21 * @ingroup rtc
<> 144:ef7eb2e8f9f7 22 *
<> 144:ef7eb2e8f9f7 23 */
<> 144:ef7eb2e8f9f7 24 #include "rtc_api.h"
<> 144:ef7eb2e8f9f7 25 #if DEVICE_RTC
<> 144:ef7eb2e8f9f7 26 #include "device.h"
<> 144:ef7eb2e8f9f7 27
<> 144:ef7eb2e8f9f7 28 #include "cmsis.h"
<> 144:ef7eb2e8f9f7 29 #include "pinmap.h"
<> 144:ef7eb2e8f9f7 30 #include "PeripheralPins.h"
<> 144:ef7eb2e8f9f7 31 #include "mbed_assert.h"
<> 144:ef7eb2e8f9f7 32 #include <string.h>
<> 144:ef7eb2e8f9f7 33 #include "rtc.h"
<> 144:ef7eb2e8f9f7 34 #include "cmsis_nvic.h"
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 static IRQn_Type Irq;
<> 144:ef7eb2e8f9f7 37
<> 144:ef7eb2e8f9f7 38 /* See rtc_apc.h for description */
<> 144:ef7eb2e8f9f7 39
<> 144:ef7eb2e8f9f7 40 void rtc_init(void)
<> 144:ef7eb2e8f9f7 41 {
<> 144:ef7eb2e8f9f7 42 fRtcInit();
<> 144:ef7eb2e8f9f7 43 }
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 /* See rtc_apc.h for description */
<> 144:ef7eb2e8f9f7 46 void rtc_free(void)
<> 144:ef7eb2e8f9f7 47 {
<> 144:ef7eb2e8f9f7 48 fRtcFree();
<> 144:ef7eb2e8f9f7 49 }
<> 144:ef7eb2e8f9f7 50
<> 144:ef7eb2e8f9f7 51 /* See rtc_apc.h for description */
<> 144:ef7eb2e8f9f7 52 int rtc_isenabled(void)
<> 144:ef7eb2e8f9f7 53 {
<> 144:ef7eb2e8f9f7 54 return(fIsRtcEnabled());
<> 144:ef7eb2e8f9f7 55 }
<> 144:ef7eb2e8f9f7 56
<> 144:ef7eb2e8f9f7 57 /* See rtc_apc.h for description */
<> 144:ef7eb2e8f9f7 58 time_t rtc_read(void)
<> 144:ef7eb2e8f9f7 59 {
<> 144:ef7eb2e8f9f7 60 return (uint32_t)(fRtcRead() & 0xFFFFFFFF); /* TODO Truncating 64 bit value to 32 bit */
<> 144:ef7eb2e8f9f7 61 }
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 /* See rtc_apc.h for description */
<> 144:ef7eb2e8f9f7 64 void rtc_write(time_t t)
<> 144:ef7eb2e8f9f7 65 {
<> 144:ef7eb2e8f9f7 66 fRtcWrite(t);
<> 144:ef7eb2e8f9f7 67 }
<> 144:ef7eb2e8f9f7 68
<> 144:ef7eb2e8f9f7 69 #endif /* DEVICE_RTC */