Amit Gandhi / mbed-dev

test

Fork of mbed-dev by mbed official

targets/TARGET_Realtek/TARGET_AMEBA/rtc_api.c@178:d650f5d4c87a, 2017-11-08 (annotated)

Committer:
AnnaBridge
Date:
Wed Nov 08 13:50:44 2017 +0000
Revision:
178:d650f5d4c87a
Parent:
168:e84263d55307 
This updates the lib to the mbed lib v 155

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 168:e84263d55307 1 /* mbed Microcontroller Library
AnnaBridge 168:e84263d55307 2 * Copyright (c) 2013-2016 Realtek Semiconductor Corp.
AnnaBridge 168:e84263d55307 3 *
AnnaBridge 168:e84263d55307 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 168:e84263d55307 5 * you may not use this file except in compliance with the License.
AnnaBridge 168:e84263d55307 6 * You may obtain a copy of the License at
AnnaBridge 168:e84263d55307 7 *
AnnaBridge 168:e84263d55307 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 168:e84263d55307 9 *
AnnaBridge 168:e84263d55307 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 168:e84263d55307 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 168:e84263d55307 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 168:e84263d55307 13 * See the License for the specific language governing permissions and
AnnaBridge 168:e84263d55307 14 * limitations under the License.
AnnaBridge 168:e84263d55307 15 */
AnnaBridge 168:e84263d55307 16
AnnaBridge 168:e84263d55307 17 #include "rtc_api.h"
AnnaBridge 168:e84263d55307 18
AnnaBridge 168:e84263d55307 19 #if DEVICE_RTC
AnnaBridge 168:e84263d55307 20 #include <time.h>
AnnaBridge 168:e84263d55307 21 #include "timer_api.h" // software-RTC: use a g-timer for the tick of the RTC
AnnaBridge 168:e84263d55307 22 #include "mbed_mktime.h"
AnnaBridge 168:e84263d55307 23
AnnaBridge 168:e84263d55307 24 #define SW_RTC_TIMER_ID TIMER4
AnnaBridge 168:e84263d55307 25
AnnaBridge 168:e84263d55307 26 static gtimer_t sw_rtc;
AnnaBridge 168:e84263d55307 27 static int sw_rtc_en=0;
AnnaBridge 168:e84263d55307 28 static time_t rtc_time;
AnnaBridge 168:e84263d55307 29
AnnaBridge 168:e84263d55307 30 void sw_rtc_tick_handler(uint32_t id)
AnnaBridge 168:e84263d55307 31 {
AnnaBridge 168:e84263d55307 32 rtc_time++;
AnnaBridge 168:e84263d55307 33 }
AnnaBridge 168:e84263d55307 34
AnnaBridge 168:e84263d55307 35 void rtc_init(void)
AnnaBridge 168:e84263d55307 36 {
AnnaBridge 168:e84263d55307 37 // Initial a periodical timer
AnnaBridge 168:e84263d55307 38 gtimer_init(&sw_rtc, SW_RTC_TIMER_ID);
AnnaBridge 168:e84263d55307 39 // Tick every 1 sec
AnnaBridge 168:e84263d55307 40 gtimer_start_periodical(&sw_rtc, 1000000, (void*)sw_rtc_tick_handler, (uint32_t)&sw_rtc);
AnnaBridge 168:e84263d55307 41 sw_rtc_en = 1;
AnnaBridge 168:e84263d55307 42 }
AnnaBridge 168:e84263d55307 43
AnnaBridge 168:e84263d55307 44 void rtc_free(void)
AnnaBridge 168:e84263d55307 45 {
AnnaBridge 168:e84263d55307 46 sw_rtc_en = 0;
AnnaBridge 168:e84263d55307 47 gtimer_stop(&sw_rtc);
AnnaBridge 168:e84263d55307 48 gtimer_deinit(&sw_rtc);
AnnaBridge 168:e84263d55307 49 }
AnnaBridge 168:e84263d55307 50
AnnaBridge 168:e84263d55307 51 int rtc_isenabled(void)
AnnaBridge 168:e84263d55307 52 {
AnnaBridge 168:e84263d55307 53 return(sw_rtc_en);
AnnaBridge 168:e84263d55307 54 }
AnnaBridge 168:e84263d55307 55
AnnaBridge 168:e84263d55307 56 time_t rtc_read(void)
AnnaBridge 168:e84263d55307 57 {
AnnaBridge 168:e84263d55307 58 return rtc_time;
AnnaBridge 168:e84263d55307 59 }
AnnaBridge 168:e84263d55307 60
AnnaBridge 168:e84263d55307 61 void rtc_write(time_t t)
AnnaBridge 168:e84263d55307 62 {
AnnaBridge 168:e84263d55307 63 gtimer_stop(&sw_rtc);
AnnaBridge 168:e84263d55307 64
AnnaBridge 168:e84263d55307 65 // Set the RTC
AnnaBridge 168:e84263d55307 66 rtc_time = t;
AnnaBridge 168:e84263d55307 67
AnnaBridge 168:e84263d55307 68 gtimer_start(&sw_rtc);
AnnaBridge 168:e84263d55307 69 }
AnnaBridge 168:e84263d55307 70
AnnaBridge 168:e84263d55307 71 #endif // endof "#if DEVICE_RTC"