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Merge pull request #7463 from RetiredWizard/teensyrtc 

Use low power RTC on mimxrt10xx (Teensy41) boards
This commit is contained in:
Scott Shawcroft 2023-01-18 10:04:59 -08:00 committed by GitHub
parent 1c1cf1cf56 f66e865510
commit 936ecdd2b1
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 16 additions and 7 deletions
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1
ports/mimxrt10xx/Makefile
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@ -109,6 +109,7 @@ SRC_SDK := \
drivers/fsl_ocotp.c \
drivers/fsl_pwm.c \
drivers/fsl_snvs_hp.c \
drivers/fsl_snvs_lp.c \
drivers/fsl_tempmon.c \
drivers/fsl_trng.c \
system_$(CHIP_FAMILY).c \

22
ports/mimxrt10xx/common-hal/rtc/RTC.c
View File

@ -36,18 +36,26 @@
#include "supervisor/shared/translate/translate.h"
#include "fsl_snvs_hp.h"
#include "fsl_snvs_lp.h"
void rtc_init(void) {
snvs_hp_rtc_config_t config;
SNVS_HP_RTC_GetDefaultConfig(&config);
snvs_hp_rtc_config_t hpconfig;
SNVS_HP_RTC_GetDefaultConfig(&hpconfig);
SNVS_HP_RTC_Init(SNVS, &config);
SNVS_HP_RTC_Init(SNVS, &hpconfig);
snvs_lp_srtc_config_t lpconfig;
SNVS_LP_SRTC_GetDefaultConfig(&lpconfig);
SNVS_LP_SRTC_Init(SNVS, &lpconfig);
SNVS_LP_SRTC_StartTimer(SNVS);
SNVS_HP_RTC_StartTimer(SNVS);
}
void common_hal_rtc_get_time(timeutils_struct_time_t *tm) {
snvs_hp_rtc_datetime_t rtcDate;
SNVS_HP_RTC_GetDatetime(SNVS, &rtcDate);
snvs_lp_srtc_datetime_t rtcDate;
SNVS_LP_SRTC_GetDatetime(SNVS, &rtcDate);
tm->tm_year = rtcDate.year;
tm->tm_mon = rtcDate.month;
@ -58,7 +66,7 @@ void common_hal_rtc_get_time(timeutils_struct_time_t *tm) {
}
void common_hal_rtc_set_time(timeutils_struct_time_t *tm) {
snvs_hp_rtc_datetime_t rtcDate;
snvs_lp_srtc_datetime_t rtcDate;
rtcDate.year = tm->tm_year;
rtcDate.month = tm->tm_mon;
rtcDate.day = tm->tm_mday;
@ -66,7 +74,7 @@ void common_hal_rtc_set_time(timeutils_struct_time_t *tm) {
rtcDate.minute = tm->tm_min;
rtcDate.second = tm->tm_sec;
SNVS_HP_RTC_SetDatetime(SNVS, &rtcDate);
SNVS_LP_SRTC_SetDatetime(SNVS, &rtcDate);
}
int common_hal_rtc_get_calibration(void) {