In the past, you need modify rtc_api.c in mbed-dev source code. From this revision, you can just use RTC function all of conditions (Normal, Reset, Stand-by, Power OFF).
Note
From now on, you do NOT need any modification for mbed-dev library because STM team updates rtc_api.c source code and support RTC function under reset & standby condition includes power off condition (You need additional VBAT back-up hardware).
Please refer following NOTE information.
/users/kenjiArai/notebook/nucleo-series-rtc-control-under-power-onoff-and-re/
check_revision.cpp@10:806cfec92eb6, 2020-07-18 (annotated)
- Committer:
- kenjiArai
- Date:
- Sat Jul 18 22:46:14 2020 +0000
- Revision:
- 10:806cfec92eb6
- Child:
- 11:2e514d955a2b
run on mbed-os6.2.0 (mbed_version.h = os5.15.4)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kenjiArai | 10:806cfec92eb6 | 1 | /* |
kenjiArai | 10:806cfec92eb6 | 2 | * Check Mbed revision |
kenjiArai | 10:806cfec92eb6 | 3 | * |
kenjiArai | 10:806cfec92eb6 | 4 | * Copyright (c) 2019,'20 Kenji Arai / JH1PJL |
kenjiArai | 10:806cfec92eb6 | 5 | * http://www7b.biglobe.ne.jp/~kenjia/ |
kenjiArai | 10:806cfec92eb6 | 6 | * https://os.mbed.com/users/kenjiArai/ |
kenjiArai | 10:806cfec92eb6 | 7 | * Created: July 17th, 2019 |
kenjiArai | 10:806cfec92eb6 | 8 | * Revised: July 19th, 2020 |
kenjiArai | 10:806cfec92eb6 | 9 | */ |
kenjiArai | 10:806cfec92eb6 | 10 | |
kenjiArai | 10:806cfec92eb6 | 11 | #include "mbed.h" |
kenjiArai | 10:806cfec92eb6 | 12 | |
kenjiArai | 10:806cfec92eb6 | 13 | // RUN ONLY ON mbed-os-6.2.0 |
kenjiArai | 10:806cfec92eb6 | 14 | // https://github.com/ARMmbed/mbed-os/releases/tag/mbed-os-6.2.0 |
kenjiArai | 10:806cfec92eb6 | 15 | #if (MBED_MAJOR_VERSION == 6) &&\ |
kenjiArai | 10:806cfec92eb6 | 16 | (MBED_MINOR_VERSION == 2) &&\ |
kenjiArai | 10:806cfec92eb6 | 17 | (MBED_PATCH_VERSION == 0) |
kenjiArai | 10:806cfec92eb6 | 18 | #else |
kenjiArai | 10:806cfec92eb6 | 19 | # warning "if you see a version 5.15.4 looks 6.2.0 (as of July 19,'20)" |
kenjiArai | 10:806cfec92eb6 | 20 | #endif |
kenjiArai | 10:806cfec92eb6 | 21 | |
kenjiArai | 10:806cfec92eb6 | 22 | void print_revision(void) |
kenjiArai | 10:806cfec92eb6 | 23 | { |
kenjiArai | 10:806cfec92eb6 | 24 | printf("MBED_MAJOR_VERSION = %d, ", MBED_MAJOR_VERSION); |
kenjiArai | 10:806cfec92eb6 | 25 | printf("MINOR = %d, ", MBED_MINOR_VERSION); |
kenjiArai | 10:806cfec92eb6 | 26 | printf("PATCH = %d\r\n", MBED_PATCH_VERSION); |
kenjiArai | 10:806cfec92eb6 | 27 | } |