PES4 / Mbed OS Queue_02

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mbed-os/platform/mbed_rtc_time.h@0:6bf0743ece18, 2020-03-28 (annotated)

Committer:
demayer
Date:
Sat Mar 28 15:28:19 2020 +0000
Revision:
0:6bf0743ece18
IMU Thread with an event-queue running parallel to handle tasks like a 5 times blinking LED. Button with interrupt detected.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
demayer 0:6bf0743ece18 1
demayer 0:6bf0743ece18 2 /** \addtogroup platform */
demayer 0:6bf0743ece18 3 /** @{*/
demayer 0:6bf0743ece18 4 /**
demayer 0:6bf0743ece18 5 * \defgroup platform_rtc_time rtc_time functions
demayer 0:6bf0743ece18 6 * @{
demayer 0:6bf0743ece18 7 */
demayer 0:6bf0743ece18 8 /* mbed Microcontroller Library
demayer 0:6bf0743ece18 9 * Copyright (c) 2006-2013 ARM Limited
demayer 0:6bf0743ece18 10 *
demayer 0:6bf0743ece18 11 * Licensed under the Apache License, Version 2.0 (the "License");
demayer 0:6bf0743ece18 12 * you may not use this file except in compliance with the License.
demayer 0:6bf0743ece18 13 * You may obtain a copy of the License at
demayer 0:6bf0743ece18 14 *
demayer 0:6bf0743ece18 15 * http://www.apache.org/licenses/LICENSE-2.0
demayer 0:6bf0743ece18 16 *
demayer 0:6bf0743ece18 17 * Unless required by applicable law or agreed to in writing, software
demayer 0:6bf0743ece18 18 * distributed under the License is distributed on an "AS IS" BASIS,
demayer 0:6bf0743ece18 19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
demayer 0:6bf0743ece18 20 * See the License for the specific language governing permissions and
demayer 0:6bf0743ece18 21 * limitations under the License.
demayer 0:6bf0743ece18 22 */
demayer 0:6bf0743ece18 23
demayer 0:6bf0743ece18 24 #include <time.h>
demayer 0:6bf0743ece18 25
demayer 0:6bf0743ece18 26 #ifdef __cplusplus
demayer 0:6bf0743ece18 27 extern "C" {
demayer 0:6bf0743ece18 28 #endif
demayer 0:6bf0743ece18 29
demayer 0:6bf0743ece18 30 /** Implementation of the C time.h functions
demayer 0:6bf0743ece18 31 *
demayer 0:6bf0743ece18 32 * Provides mechanisms to set and read the current time, based
demayer 0:6bf0743ece18 33 * on the microcontroller Real-Time Clock (RTC), plus some
demayer 0:6bf0743ece18 34 * standard C manipulation and formating functions.
demayer 0:6bf0743ece18 35 *
demayer 0:6bf0743ece18 36 * Example:
demayer 0:6bf0743ece18 37 * @code
demayer 0:6bf0743ece18 38 * #include "mbed.h"
demayer 0:6bf0743ece18 39 *
demayer 0:6bf0743ece18 40 * int main() {
demayer 0:6bf0743ece18 41 * set_time(1256729737); // Set RTC time to Wed, 28 Oct 2009 11:35:37
demayer 0:6bf0743ece18 42 *
demayer 0:6bf0743ece18 43 * while(1) {
demayer 0:6bf0743ece18 44 * time_t seconds = time(NULL);
demayer 0:6bf0743ece18 45 *
demayer 0:6bf0743ece18 46 * printf("Time as seconds since January 1, 1970 = %d\n", seconds);
demayer 0:6bf0743ece18 47 *
demayer 0:6bf0743ece18 48 * printf("Time as a basic string = %s", ctime(&seconds));
demayer 0:6bf0743ece18 49 *
demayer 0:6bf0743ece18 50 * char buffer[32];
demayer 0:6bf0743ece18 51 * strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
demayer 0:6bf0743ece18 52 * printf("Time as a custom formatted string = %s", buffer);
demayer 0:6bf0743ece18 53 *
demayer 0:6bf0743ece18 54 * wait(1);
demayer 0:6bf0743ece18 55 * }
demayer 0:6bf0743ece18 56 * }
demayer 0:6bf0743ece18 57 * @endcode
demayer 0:6bf0743ece18 58 */
demayer 0:6bf0743ece18 59
demayer 0:6bf0743ece18 60 /** Set the current time
demayer 0:6bf0743ece18 61 *
demayer 0:6bf0743ece18 62 * Initialises and sets the time of the microcontroller Real-Time Clock (RTC)
demayer 0:6bf0743ece18 63 * to the time represented by the number of seconds since January 1, 1970
demayer 0:6bf0743ece18 64 * (the UNIX timestamp).
demayer 0:6bf0743ece18 65 *
demayer 0:6bf0743ece18 66 * @param t Number of seconds since January 1, 1970 (the UNIX timestamp)
demayer 0:6bf0743ece18 67 *
demayer 0:6bf0743ece18 68 * @note Synchronization level: Thread safe
demayer 0:6bf0743ece18 69 *
demayer 0:6bf0743ece18 70 * Example:
demayer 0:6bf0743ece18 71 * @code
demayer 0:6bf0743ece18 72 * #include "mbed.h"
demayer 0:6bf0743ece18 73 *
demayer 0:6bf0743ece18 74 * int main() {
demayer 0:6bf0743ece18 75 * set_time(1256729737); // Set time to Wed, 28 Oct 2009 11:35:37
demayer 0:6bf0743ece18 76 * }
demayer 0:6bf0743ece18 77 * @endcode
demayer 0:6bf0743ece18 78 */
demayer 0:6bf0743ece18 79 void set_time(time_t t);
demayer 0:6bf0743ece18 80
demayer 0:6bf0743ece18 81 /** Attach an external RTC to be used for the C time functions
demayer 0:6bf0743ece18 82 *
demayer 0:6bf0743ece18 83 * @note Synchronization level: Thread safe
demayer 0:6bf0743ece18 84 *
demayer 0:6bf0743ece18 85 * @param read_rtc pointer to function which returns current UNIX timestamp
demayer 0:6bf0743ece18 86 * @param write_rtc pointer to function which sets current UNIX timestamp, can be NULL
demayer 0:6bf0743ece18 87 * @param init_rtc pointer to funtion which initializes RTC, can be NULL
demayer 0:6bf0743ece18 88 * @param isenabled_rtc pointer to function wich returns if the rtc is enabled, can be NULL
demayer 0:6bf0743ece18 89 */
demayer 0:6bf0743ece18 90 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void));
demayer 0:6bf0743ece18 91
demayer 0:6bf0743ece18 92 #ifdef __cplusplus
demayer 0:6bf0743ece18 93 }
demayer 0:6bf0743ece18 94 #endif
demayer 0:6bf0743ece18 95
demayer 0:6bf0743ece18 96 /** @}*/
demayer 0:6bf0743ece18 97 /** @}*/