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| author | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-09-20 15:01:28 +0000 |
|---|---|---|
| committer | barthess <barthess@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-09-20 15:01:28 +0000 |
| commit | 54cde6b85446a97d4e980109483b23a758324a8c (patch) | |
| tree | d3594952ebd8398c0d21ccf6a3af06d52089ad9d /os/hal/platforms/STM32/RTCv2/rtc_lld.c | |
| parent | d4fd78d689f091a5534e755bb26c781289d43b5f (diff) | |
| download | ChibiOS-54cde6b85446a97d4e980109483b23a758324a8c.tar.gz ChibiOS-54cde6b85446a97d4e980109483b23a758324a8c.tar.bz2 ChibiOS-54cde6b85446a97d4e980109483b23a758324a8c.zip | |
RTCv2. Get fat time function moved to driver.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4701 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32/RTCv2/rtc_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/RTCv2/rtc_lld.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/RTCv2/rtc_lld.c b/os/hal/platforms/STM32/RTCv2/rtc_lld.c index 84295bd76..1fe433324 100644 --- a/os/hal/platforms/STM32/RTCv2/rtc_lld.c +++ b/os/hal/platforms/STM32/RTCv2/rtc_lld.c @@ -266,6 +266,54 @@ void rtcGetPeriodicWakeup_v2(RTCDriver *rtcp, RTCWakeup *wakeupspec){ wakeupspec->wakeup |= (((uint32_t)rtcp->id_rtc->CR) & 0x7) << 16;
}
+/**
+ * @brief Get current time in format suitable for usage in FatFS.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @return FAT time value.
+ *
+ * @api
+ */
+uint32_t rtc_lld_get_time_fat(RTCDriver *rtcp) {
+ uint32_t fattime;
+ RTCTime timespec;
+ uint32_t tv_time;
+ uint32_t tv_date;
+ uint32_t v;
+
+ rtc_lld_get_time(rtcp, ×pec);
+ tv_time = timespec.tv_time;
+ tv_date = timespec.tv_date;
+
+ v = (tv_time & RTC_TR_SU) >> RTC_TR_SU_OFFSET;
+ v += ((tv_time & RTC_TR_ST) >> RTC_TR_ST_OFFSET) * 10;
+ fattime = v << 1;
+
+ v = (tv_time & RTC_TR_MNU) >> RTC_TR_MNU_OFFSET;
+ v += ((tv_time & RTC_TR_MNT) >> RTC_TR_MNT_OFFSET) * 10;
+ fattime |= v << 5;
+
+ v = (tv_time & RTC_TR_HU) >> RTC_TR_HU_OFFSET;
+ v += ((tv_time & RTC_TR_HT) >> RTC_TR_HT_OFFSET) * 10;
+ v += 12 * ((tv_time & RTC_TR_PM) >> RTC_TR_PM_OFFSET);
+ fattime |= v << 11;
+
+ v = (tv_date & RTC_DR_DU) >> RTC_DR_DU_OFFSET;
+ v += ((tv_date & RTC_DR_DT) >> RTC_DR_DT_OFFSET) * 10;
+ fattime |= v << 16;
+
+ v = (tv_date & RTC_DR_MU) >> RTC_DR_MU_OFFSET;
+ v += ((tv_date & RTC_DR_MT) >> RTC_DR_MT_OFFSET) * 10;
+ fattime |= v << 21;
+
+ v = (tv_date & RTC_DR_YU) >> RTC_DR_YU_OFFSET;
+ v += ((tv_date & RTC_DR_YT) >> RTC_DR_YT_OFFSET) * 10;
+ v += 2000 - 1900 - 80;
+ fattime |= v << 25;
+
+ return fattime;
+}
+
#endif /* HAL_USE_RTC */
/** @} */
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