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/*
* @copyright Copyright (c) 2017-2020 TOYOTA MOTOR CORPORATION.
*
* 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 "clock_hal.h"
#include <assert.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/rtc.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include "clock_hal_clockhallog.h"
#define RTC_NODE_PATH_DEPTH 64
#define RTC_NODE_PERANT_PATH "/dev"
// set time to hardware
EFrameworkunifiedStatus SetHardwareClock(HANDLE h_app, const struct tm *l_tm) {
if (NULL == h_app) {
return eFrameworkunifiedStatusInvldHandle;
}
if (NULL == l_tm) {
return eFrameworkunifiedStatusNullPointer;
}
EFrameworkunifiedStatus e_status = eFrameworkunifiedStatusOK;
struct rtc_time hal_rtc_time;
hal_rtc_time.tm_year = l_tm->tm_year;
hal_rtc_time.tm_mon = l_tm->tm_mon;
hal_rtc_time.tm_mday = l_tm->tm_mday;
hal_rtc_time.tm_hour = l_tm->tm_hour;
hal_rtc_time.tm_min = l_tm->tm_min;
hal_rtc_time.tm_sec = l_tm->tm_sec;
hal_rtc_time.tm_wday = l_tm->tm_wday;
FRAMEWORKUNIFIEDLOG(ZONE_INFO, __FUNCTION__,
"setting time : %d-%02d/%02d %02d:%02d:%02d\n",
1900 + l_tm->tm_year, l_tm->tm_mon + 1, l_tm->tm_mday,
l_tm->tm_hour, l_tm->tm_min, l_tm->tm_sec);
// Search RTC node
DIR *dir = ::opendir(RTC_NODE_PERANT_PATH);
char rtc_path[RTC_NODE_PATH_DEPTH] = { '\0' };
for (struct dirent *dp = readdir(dir); dp != NULL; dp = readdir(dir)) {
if (strstr(dp->d_name, "rtc") != NULL) {
snprintf(rtc_path, sizeof(rtc_path), "/dev/%s", dp->d_name);
break;
}
}
closedir(dir);
if (strlen(rtc_path) == 0) {
FRAMEWORKUNIFIEDLOG(ZONE_WARN, __FUNCTION__, "/dev/rtcX not found.\n");
e_status = eFrameworkunifiedStatusFail;
return e_status;
}
// Set time to /dev/rtcX
int fd = ::open(rtc_path, O_WRONLY);
if (-1 == fd) {
FRAMEWORKUNIFIEDLOG(ZONE_WARN, __FUNCTION__, "Error open(/dev/rtc)=[%d] errno=%d\n",
fd, errno);
return eFrameworkunifiedStatusFail;
}
int ret = ::ioctl(fd, RTC_SET_TIME, &hal_rtc_time);
if (0 != ret) {
FRAMEWORKUNIFIEDLOG(ZONE_WARN, __FUNCTION__,
"Error ioctl(fd, RTC_SET_TIME, hal_rtc_time)=[%d] errno=%d\n",
ret, errno);
e_status = eFrameworkunifiedStatusFail;
} else {
FRAMEWORKUNIFIEDLOG(ZONE_INFO, __FUNCTION__,
"Success ioctl(fd, RTC_SET_TIME, hal_rtc_time)=[%d]\n", ret);
}
::close(fd);
return e_status;
}
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