1 files changed, 20 insertions, 0 deletions
diff --git a/os/hal/src/rtc.c b/os/hal/src/rtc.c
index 01f88e82d..a6601fd1c 100644
--- a/os/hal/src/rtc.c
+++ b/os/hal/src/rtc.c
@@ -101,6 +101,26 @@ void rtcGetTime(RTCDriver *rtcp, RTCTime *timespec) {
   chSysUnlock();
 }
 
+/**
+ * @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 rtcGetFatTime(RTCDriver *rtcp) {
+  RTCTime timespec;
+
+  chDbgCheck((rtcp != NULL), "rtcGetTime");
+
+  chSysLock();
+  rtcGetTimeI(rtcp, &timespec);
+  chSysUnlock();
+
+  return rtc_lld_calc_fat_time(&timespec);
+}
+
 #if (RTC_ALARMS > 0) || defined(__DOXYGEN__)
 /**
  * @brief   Set alarm time.