J&W / WatchDogK64F

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WatchDog.md@1:69a4a19ae933, 2019-10-29 (annotated)

Committer:
Pythia
Date:
Tue Oct 29 12:08:02 2019 +0000
Revision:
1:69a4a19ae933
Parent:
0:9363a65b371b 
removal of remains from larger projects

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pythia 0:9363a65b371b 1 Watchdog with generalization and specialization for Freescale K64F
Pythia 0:9363a65b371b 2 Tested on the FRDM K64F from Freescale
Pythia 0:9363a65b371b 3 Can be specialized for any type of the processor as long as one watchdog kicker exists only
Pythia 0:9363a65b371b 4
Pythia 0:9363a65b371b 5 Based on hints from https://os.mbed.com/users/manitou/code/k64f_wdog/ but reworked.
Pythia 0:9363a65b371b 6
Pythia 0:9363a65b371b 7 Copyright (c) 2019 Waldemar Dworakowski,
Pythia 0:9363a65b371b 8
Pythia 0:9363a65b371b 9 /*-
Pythia 0:9363a65b371b 10 * Copyright (c) 2019 Waldemar Dworakowski,
Pythia 0:9363a65b371b 11 *
Pythia 0:9363a65b371b 12 * All Rights Reserved
Pythia 0:9363a65b371b 13 *
Pythia 0:9363a65b371b 14 * Redistribution and use in source and binary forms, with or without
Pythia 0:9363a65b371b 15 * modification, are permitted provided that the following conditions are
Pythia 0:9363a65b371b 16 * met:
Pythia 0:9363a65b371b 17 * 1. Redistributions of source code must retain the above copyright notice,
Pythia 0:9363a65b371b 18 * this list of conditions and the following disclaimer.
Pythia 0:9363a65b371b 19 * 2. Redistributions in binary form must reproduce the above copyright
Pythia 0:9363a65b371b 20 * notice, this list of conditions and the following disclaimer in the
Pythia 0:9363a65b371b 21 * documentation and/or other materials provided with the distribution.
Pythia 0:9363a65b371b 22 * 3. Complete source form of any/all derivative/s and it's components must be
Pythia 0:9363a65b371b 23 * provided without any cost until last copy of the software (or derivative
Pythia 0:9363a65b371b 24 * of) exists.
Pythia 0:9363a65b371b 25 * 4. Any derivative must use same licence.
Pythia 0:9363a65b371b 26 *
Pythia 0:9363a65b371b 27 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
Pythia 0:9363a65b371b 28 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
Pythia 0:9363a65b371b 29 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Pythia 0:9363a65b371b 30 * DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
Pythia 0:9363a65b371b 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Pythia 0:9363a65b371b 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Pythia 0:9363a65b371b 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
Pythia 0:9363a65b371b 34 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
Pythia 0:9363a65b371b 35 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
Pythia 0:9363a65b371b 36 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
Pythia 0:9363a65b371b 37 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Pythia 0:9363a65b371b 38 */
Pythia 0:9363a65b371b 39
Pythia 0:9363a65b371b 40
Pythia 0:9363a65b371b 41
Pythia 0:9363a65b371b 42 Usage:
Pythia 0:9363a65b371b 43
Pythia 0:9363a65b371b 44
Pythia 0:9363a65b371b 45 #include "mbed.h"
Pythia 0:9363a65b371b 46 #include "WatchDog.h"
Pythia 0:9363a65b371b 47
Pythia 0:9363a65b371b 48 // WatchDog
Pythia 0:9363a65b371b 49 WatchDog wd;
Pythia 0:9363a65b371b 50
Pythia 0:9363a65b371b 51 int main(void)
Pythia 0:9363a65b371b 52 {
Pythia 0:9363a65b371b 53 wd.Start(1000); // Watchdog 1000ms
Pythia 0:9363a65b371b 54
Pythia 1:69a4a19ae933 55 printf("\r\nON - restart %d cause %4X\n\r", wd.RestartCounter(), (int)wd.RestartCause());
Pythia 0:9363a65b371b 56
Pythia 0:9363a65b371b 57 while(wd.RestartCounter()<10)
Pythia 0:9363a65b371b 58 {
Pythia 0:9363a65b371b 59 ThisThread::sleep_for(200); // wait(200ms)
Pythia 0:9363a65b371b 60 wd.Kick(); // we kick the watchdog to not die if not error. On Error (or when we are not getting time from other threads) then restart.
Pythia 0:9363a65b371b 61 }
Pythia 0:9363a65b371b 62
Pythia 0:9363a65b371b 63 wd.Stop();
Pythia 0:9363a65b371b 64
Pythia 1:69a4a19ae933 65 printf("\r\nOFF! %d restarts \n\r", wd.RestartCounter());
Pythia 0:9363a65b371b 66
Pythia 0:9363a65b371b 67 return 0;
Pythia 0:9363a65b371b 68 }