added prescaler for 16 bit pwm in LPC1347 target
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targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/api/rtc_api.c
- Committer:
- mbed_official
- Date:
- 2016-05-03
- Revision:
- 121:7f86b4238bec
File content as of revision 121:7f86b4238bec:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "rtc_api.h" #if DEVICE_RTC #include "pinmap.h" #include "fsl_rtc.h" #include "PeripheralPins.h" extern void rtc_setup_oscillator(RTC_Type *base); void rtc_init(void) { rtc_config_t rtcConfig; RTC_GetDefaultConfig(&rtcConfig); RTC_Init(RTC, &rtcConfig); /* Setup the RTC 32KHz oscillator */ rtc_setup_oscillator(RTC); RTC_StartTimer(RTC); } void rtc_free(void) { RTC_Deinit(RTC); } /* * Little check routine to see if the RTC has been enabled * 0 = Disabled, 1 = Enabled */ int rtc_isenabled(void) { CLOCK_EnableClock(kCLOCK_Rtc0); return (int)((RTC->SR & RTC_SR_TCE_MASK) >> RTC_SR_TCE_SHIFT); } time_t rtc_read(void) { return (time_t)RTC->TSR; } void rtc_write(time_t t) { if (t == 0) { t = 1; } RTC_StopTimer(RTC); RTC->TSR = t; RTC_StartTimer(RTC); } #endif