Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/api/rtc_api.c@121:7f86b4238bec, 2016-05-03 (annotated)

Committer:
mbed_official
Date:
Tue May 03 00:15:16 2016 +0100
Revision:
121:7f86b4238bec
Synchronized with git revision 9cef243de23875778f461bbe9a8c1bc47e65212b



Full URL: https://github.com/mbedmicro/mbed/commit/9cef243de23875778f461bbe9a8c1bc47e65212b/



Switch to KSDK 2.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 121:7f86b4238bec 1 /* mbed Microcontroller Library
mbed_official 121:7f86b4238bec 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 121:7f86b4238bec 3 *
mbed_official 121:7f86b4238bec 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 121:7f86b4238bec 5 * you may not use this file except in compliance with the License.
mbed_official 121:7f86b4238bec 6 * You may obtain a copy of the License at
mbed_official 121:7f86b4238bec 7 *
mbed_official 121:7f86b4238bec 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 121:7f86b4238bec 9 *
mbed_official 121:7f86b4238bec 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 121:7f86b4238bec 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 121:7f86b4238bec 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 121:7f86b4238bec 13 * See the License for the specific language governing permissions and
mbed_official 121:7f86b4238bec 14 * limitations under the License.
mbed_official 121:7f86b4238bec 15 */
mbed_official 121:7f86b4238bec 16 #include "rtc_api.h"
mbed_official 121:7f86b4238bec 17
mbed_official 121:7f86b4238bec 18 #if DEVICE_RTC
mbed_official 121:7f86b4238bec 19
mbed_official 121:7f86b4238bec 20 #include "pinmap.h"
mbed_official 121:7f86b4238bec 21 #include "fsl_rtc.h"
mbed_official 121:7f86b4238bec 22 #include "PeripheralPins.h"
mbed_official 121:7f86b4238bec 23
mbed_official 121:7f86b4238bec 24 extern void rtc_setup_oscillator(RTC_Type *base);
mbed_official 121:7f86b4238bec 25
mbed_official 121:7f86b4238bec 26 void rtc_init(void) {
mbed_official 121:7f86b4238bec 27 rtc_config_t rtcConfig;
mbed_official 121:7f86b4238bec 28
mbed_official 121:7f86b4238bec 29 RTC_GetDefaultConfig(&rtcConfig);
mbed_official 121:7f86b4238bec 30 RTC_Init(RTC, &rtcConfig);
mbed_official 121:7f86b4238bec 31
mbed_official 121:7f86b4238bec 32 /* Setup the RTC 32KHz oscillator */
mbed_official 121:7f86b4238bec 33 rtc_setup_oscillator(RTC);
mbed_official 121:7f86b4238bec 34 RTC_StartTimer(RTC);
mbed_official 121:7f86b4238bec 35 }
mbed_official 121:7f86b4238bec 36
mbed_official 121:7f86b4238bec 37 void rtc_free(void) {
mbed_official 121:7f86b4238bec 38 RTC_Deinit(RTC);
mbed_official 121:7f86b4238bec 39 }
mbed_official 121:7f86b4238bec 40
mbed_official 121:7f86b4238bec 41 /*
mbed_official 121:7f86b4238bec 42 * Little check routine to see if the RTC has been enabled
mbed_official 121:7f86b4238bec 43 * 0 = Disabled, 1 = Enabled
mbed_official 121:7f86b4238bec 44 */
mbed_official 121:7f86b4238bec 45 int rtc_isenabled(void) {
mbed_official 121:7f86b4238bec 46 CLOCK_EnableClock(kCLOCK_Rtc0);
mbed_official 121:7f86b4238bec 47 return (int)((RTC->SR & RTC_SR_TCE_MASK) >> RTC_SR_TCE_SHIFT);
mbed_official 121:7f86b4238bec 48 }
mbed_official 121:7f86b4238bec 49
mbed_official 121:7f86b4238bec 50 time_t rtc_read(void) {
mbed_official 121:7f86b4238bec 51 return (time_t)RTC->TSR;
mbed_official 121:7f86b4238bec 52 }
mbed_official 121:7f86b4238bec 53
mbed_official 121:7f86b4238bec 54 void rtc_write(time_t t) {
mbed_official 121:7f86b4238bec 55 if (t == 0) {
mbed_official 121:7f86b4238bec 56 t = 1;
mbed_official 121:7f86b4238bec 57 }
mbed_official 121:7f86b4238bec 58 RTC_StopTimer(RTC);
mbed_official 121:7f86b4238bec 59 RTC->TSR = t;
mbed_official 121:7f86b4238bec 60 RTC_StartTimer(RTC);
mbed_official 121:7f86b4238bec 61 }
mbed_official 121:7f86b4238bec 62
mbed_official 121:7f86b4238bec 63 #endif