From 86aa16bea61da8a8d156a7a928902a0bf4c85b73 Mon Sep 17 00:00:00 2001
From: T S
Date: Sat, 7 Nov 2015 12:03:12 +0100
Subject: stmhal: Implement delayed RTC initialization with LSI fallback.

If RTC is already running at boot then it's left alone.  Otherwise, RTC is
started at boot but startup function returns straight away.  RTC startup
is then finished the first time it is used.  Fallback to LSI if LSE fails
to start in a certain time.

Also included:
 MICROPY_HW_CLK_LAST_FREQ
        hold pyb.freq() parameters in RTC backup reg
 MICROPY_HW_RTC_USE_US
        option to present datetime sub-seconds in microseconds
 MICROPY_HW_RTC_USE_CALOUT
        option to enable RTC calibration output

CLK_LAST_FREQ and RTC_USE_CALOUT are enabled for PYBv1.0.
---
 stmhal/diskio.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'stmhal/diskio.c')

diff --git a/stmhal/diskio.c b/stmhal/diskio.c
index a15dce1aa..8c8c8ee15 100644
--- a/stmhal/diskio.c
+++ b/stmhal/diskio.c
@@ -279,6 +279,7 @@ DWORD get_fattime (
     void
 )
 {
+    rtc_init_finalise();
     RTC_TimeTypeDef time;
     RTC_DateTypeDef date;
     HAL_RTC_GetTime(&RTCHandle, &time, FORMAT_BIN);
-- 
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