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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/rtc_api.c@149:1fb5f62b92bd, 2014-04-03 (annotated)

Committer:
mbed_official
Date:
Thu Apr 03 11:45:06 2014 +0100
Revision:
149:1fb5f62b92bd
Parent:
targets/hal/TARGET_Freescale/TARGET_KSDK_MCUS/TARGET_K64F/rtc_api.c@146:f64d43ff0c18
Child:
265:9632ea190e16
Synchronized with git revision 220c0bb39ceee40016e1e86350c058963d01ed42



Full URL: https://github.com/mbedmicro/mbed/commit/220c0bb39ceee40016e1e86350c058963d01ed42/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 146:f64d43ff0c18 1 /* mbed Microcontroller Library
mbed_official 146:f64d43ff0c18 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 146:f64d43ff0c18 3 *
mbed_official 146:f64d43ff0c18 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 146:f64d43ff0c18 5 * you may not use this file except in compliance with the License.
mbed_official 146:f64d43ff0c18 6 * You may obtain a copy of the License at
mbed_official 146:f64d43ff0c18 7 *
mbed_official 146:f64d43ff0c18 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 146:f64d43ff0c18 9 *
mbed_official 146:f64d43ff0c18 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 146:f64d43ff0c18 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 146:f64d43ff0c18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 146:f64d43ff0c18 13 * See the License for the specific language governing permissions and
mbed_official 146:f64d43ff0c18 14 * limitations under the License.
mbed_official 146:f64d43ff0c18 15 */
mbed_official 146:f64d43ff0c18 16 #include "rtc_api.h"
mbed_official 146:f64d43ff0c18 17 #include "pinmap.h"
mbed_official 146:f64d43ff0c18 18 #include "fsl_rtc_hal.h"
mbed_official 146:f64d43ff0c18 19 #include "fsl_clock_manager.h"
mbed_official 146:f64d43ff0c18 20
mbed_official 146:f64d43ff0c18 21 const PinMap PinMap_RTC[] = {
mbed_official 146:f64d43ff0c18 22 {NC, OSC32KCLK, 0},
mbed_official 146:f64d43ff0c18 23 };
mbed_official 146:f64d43ff0c18 24
mbed_official 146:f64d43ff0c18 25 void rtc_init(void) {
mbed_official 146:f64d43ff0c18 26 rtc_hal_init_config_t hal_config = {0};
mbed_official 146:f64d43ff0c18 27
mbed_official 146:f64d43ff0c18 28 hal_config.disableClockOutToPeripheral = true;
mbed_official 146:f64d43ff0c18 29 if (PinMap_RTC[0].pin == NC) {
mbed_official 146:f64d43ff0c18 30 hal_config.enable32kOscillator = true;
mbed_official 146:f64d43ff0c18 31 }
mbed_official 146:f64d43ff0c18 32 clock_manager_set_gate(kClockModuleRTC, 0U, true);
mbed_official 146:f64d43ff0c18 33 hal_config.startSecondsCounterAt = 1; /* TSR = 1 */
mbed_official 146:f64d43ff0c18 34 rtc_hal_init(&hal_config);
mbed_official 146:f64d43ff0c18 35
mbed_official 146:f64d43ff0c18 36 // select RTC clock source
mbed_official 146:f64d43ff0c18 37 SIM->SOPT1 &= ~SIM_SOPT1_OSC32KSEL_MASK;
mbed_official 146:f64d43ff0c18 38 SIM->SOPT1 |= SIM_SOPT1_OSC32KSEL(PinMap_RTC[0].peripheral);
mbed_official 146:f64d43ff0c18 39
mbed_official 146:f64d43ff0c18 40 rtc_hal_config_oscillator(true);
mbed_official 146:f64d43ff0c18 41 rtc_hal_counter_enable(true);
mbed_official 146:f64d43ff0c18 42 }
mbed_official 146:f64d43ff0c18 43
mbed_official 146:f64d43ff0c18 44 void rtc_free(void) {
mbed_official 146:f64d43ff0c18 45 // [TODO]
mbed_official 146:f64d43ff0c18 46 }
mbed_official 146:f64d43ff0c18 47
mbed_official 146:f64d43ff0c18 48 /*
mbed_official 146:f64d43ff0c18 49 * Little check routine to see if the RTC has been enabled
mbed_official 146:f64d43ff0c18 50 * 0 = Disabled, 1 = Enabled
mbed_official 146:f64d43ff0c18 51 */
mbed_official 146:f64d43ff0c18 52 int rtc_isenabled(void) {
mbed_official 146:f64d43ff0c18 53 clock_manager_set_gate(kClockModuleRTC, 0U, true);
mbed_official 146:f64d43ff0c18 54 return (int)rtc_hal_is_counter_enabled();
mbed_official 146:f64d43ff0c18 55 }
mbed_official 146:f64d43ff0c18 56
mbed_official 146:f64d43ff0c18 57 time_t rtc_read(void) {
mbed_official 146:f64d43ff0c18 58 return BR_RTC_TSR_TSR;
mbed_official 146:f64d43ff0c18 59 }
mbed_official 146:f64d43ff0c18 60
mbed_official 146:f64d43ff0c18 61 void rtc_write(time_t t) {
mbed_official 146:f64d43ff0c18 62 if (t == 0) {
mbed_official 146:f64d43ff0c18 63 t = 1;
mbed_official 146:f64d43ff0c18 64 }
mbed_official 146:f64d43ff0c18 65 rtc_hal_counter_enable(false);
mbed_official 146:f64d43ff0c18 66 BW_RTC_TSR_TSR(t);
mbed_official 146:f64d43ff0c18 67 rtc_hal_counter_enable(true);
mbed_official 146:f64d43ff0c18 68 }