mbed-os/targets/TARGET_TI/TARGET_CC32XX/TARGET_CC3220SF/rtc_api.c

56 lines
1.2 KiB
C

/* mbed Microcontroller Library
* Copyright (c) 2018-2019 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 "ti/devices/cc32xx/inc/hw_types.h"
#include "ti/devices/cc32xx/driverlib/prcm.h"
void rtc_init(void)
{
static bool rtc_initialized = false;
if (!rtc_initialized) {
if (!PRCMRTCInUseGet()) {
PRCMRTCInUseSet();
}
rtc_initialized = true;
}
}
void rtc_free(void)
{
}
int rtc_isenabled(void)
{
return PRCMRTCInUseGet();
}
time_t rtc_read(void)
{
unsigned long ulSecs = 0;
unsigned short usMsec = 0;
PRCMRTCGet(&ulSecs, &usMsec);
return ulSecs;
}
void rtc_write(time_t t)
{
PRCMRTCSet(t, 0);
}
#endif