Mouse code for the MacroRat
mbed-dev/targets/TARGET_NUVOTON/TARGET_NUC472/rtc_api.c
- Committer:
- sahilmgandhi
- Date:
- 2017-05-14
- Revision:
- 18:6a4db94011d3
File content as of revision 18:6a4db94011d3:
/* mbed Microcontroller Library * Copyright (c) 2015-2016 Nuvoton * * 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 "mbed_wait_api.h" #include "mbed_error.h" #include "nu_modutil.h" #include "nu_miscutil.h" #define YEAR0 1900 //#define EPOCH_YR 1970 static int rtc_inited = 0; static const struct nu_modinit_s rtc_modinit = {RTC_0, RTC_MODULE, 0, 0, 0, RTC_IRQn, NULL}; void rtc_init(void) { if (rtc_inited) { return; } rtc_inited = 1; // Enable IP clock CLK_EnableModuleClock(rtc_modinit.clkidx); RTC_Open(NULL); } void rtc_free(void) { // FIXME } int rtc_isenabled(void) { return rtc_inited; } /* struct tm tm_sec seconds after the minute 0-61 tm_min minutes after the hour 0-59 tm_hour hours since midnight 0-23 tm_mday day of the month 1-31 tm_mon months since January 0-11 tm_year years since 1900 tm_wday days since Sunday 0-6 tm_yday days since January 1 0-365 tm_isdst Daylight Saving Time flag */ time_t rtc_read(void) { if (! rtc_inited) { rtc_init(); } S_RTC_TIME_DATA_T rtc_datetime; RTC_GetDateAndTime(&rtc_datetime); struct tm timeinfo; // Convert struct tm to S_RTC_TIME_DATA_T timeinfo.tm_year = rtc_datetime.u32Year - YEAR0; timeinfo.tm_mon = rtc_datetime.u32Month - 1; timeinfo.tm_mday = rtc_datetime.u32Day; timeinfo.tm_wday = rtc_datetime.u32DayOfWeek; timeinfo.tm_hour = rtc_datetime.u32Hour; timeinfo.tm_min = rtc_datetime.u32Minute; timeinfo.tm_sec = rtc_datetime.u32Second; // Convert to timestamp time_t t = mktime(&timeinfo); return t; } void rtc_write(time_t t) { if (! rtc_inited) { rtc_init(); } // Convert timestamp to struct tm struct tm *timeinfo = localtime(&t); S_RTC_TIME_DATA_T rtc_datetime; // Convert S_RTC_TIME_DATA_T to struct tm rtc_datetime.u32Year = timeinfo->tm_year + YEAR0; rtc_datetime.u32Month = timeinfo->tm_mon + 1; rtc_datetime.u32Day = timeinfo->tm_mday; rtc_datetime.u32DayOfWeek = timeinfo->tm_wday; rtc_datetime.u32Hour = timeinfo->tm_hour; rtc_datetime.u32Minute = timeinfo->tm_min; rtc_datetime.u32Second = timeinfo->tm_sec; rtc_datetime.u32TimeScale = RTC_CLOCK_24; // NOTE: Timing issue with write to RTC registers. This delay is empirical, not rational. RTC_SetDateAndTime(&rtc_datetime); //nu_nop(6000); wait_us(100); } #endif