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19251: tests/driver_dac_dds: fix output of sine and saw functions r=benpicco a=benpicco 19254: cpu/gd32v: add periph_rtc_mem support r=benpicco a=gschorcht ### Contribution description This PR provides the `periph_rtc_mem` support for GD32VF103. A modified version of this driver could also be used for STM32F1. ### Testing procedure `tests/periph_rtt` should work on any GD32V board, for example: ``` BOARD=sipeed-longan-nano make -C tests/periph_rtt flash ``` ``` Help: Press s to start test, r to print it is ready START main(): This is RIOT! (Version: 2023.04-devel-319-gebc86-cpu/gd32v/periph_rtc_mem) RIOT RTT low-level driver test RTT configuration: RTT_MAX_VALUE: 0xffffffff RTT_FREQUENCY: 32768 Testing the tick conversion Trying to convert 1 to seconds and back Trying to convert 256 to seconds and back Trying to convert 65536 to seconds and back Trying to convert 16777216 to seconds and back Trying to convert 2147483648 to seconds and back All ok Initializing the RTT driver RTC mem OK This test will now display 'Hello' every 5 seconds RTT now: 1 Setting initial alarm to now + 5 s (163841) rtt_get_alarm() PASSED RTC mem OK ``` ### Issues/PRs references Co-authored-by: Benjamin Valentin <benjamin.valentin@ml-pa.com> Co-authored-by: Gunar Schorcht <gunar@schorcht.net> |
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| .. | ||
| include | ||
| periph | ||
| clock.c | ||
| cpu.c | ||
| doc.txt | ||
| gd32v.config | ||
| Kconfig | ||
| Makefile | ||
| Makefile.default | ||
| Makefile.dep | ||
| Makefile.features | ||
| Makefile.include | ||