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Changing the time unit of periodic timer API "R_SYS_TIME_RegisterPeriodicCallback()" #1

@ShunichiroNakamura

Description

@ShunichiroNakamura

Detail

This issue requests to change 10 milliseconds time unit of "R_SYS_TIME_RegisterPeriodicCallback()" to 1 millisecond.
It also needs to chnge sample codes of the following Wiki page.
https://github.com/renesas/rx72n-envision-kit/wiki/1-SDHI-SD%E3%82%AB%E3%83%BC%E3%83%89%E3%83%89%E3%83%A9%E3%82%A4%E3%83%90-%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%82%B7%E3%82%B9%E3%83%86%E3%83%A0
R_CMT_CreatePeriodic(1000, (void (*) (void *)) R_SDC_SD_1msInterval, &cmt_channel);

Background

"R_SYS_TIME_RegisterPeriodicCallback()" is one of the system timer's API.
It registers callback-functions to be trigerred in periodic time of 10 milliseconds unit.
However, "R_SYS_TIME_RegisterPeriodicCallback()" cannot register such as the SD mode SD card driver FIT's API "R_SDC_SD_1msInterval()" that requests to be called in periodic "1 millisecond".

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