stmhal: Fix setting of RTC: was BCD now BIN encoded.

Addresses issue #592.

3 files changed, 46 insertions, 10 deletions

diff --git a/stmhal/rtc.c b/stmhal/rtc.c
index 33982e9d5f..412816c396 100644
--- a/stmhal/rtc.c
+++ b/stmhal/rtc.c
@@ -214,26 +214,26 @@ void rtc_init(void) {
 static void RTC_CalendarConfig(void) {
     // set the date to 1st Jan 2014
     RTC_DateTypeDef date;
-    date.Year = 0x14;
-    date.Month = RTC_MONTH_JANUARY;
-    date.Date = 0x01;
+    date.Year = 14;
+    date.Month = 1;
+    date.Date = 1;
     date.WeekDay = RTC_WEEKDAY_WEDNESDAY;
 
-    if(HAL_RTC_SetDate(&RTCHandle, &date, FORMAT_BCD) != HAL_OK) {
+    if(HAL_RTC_SetDate(&RTCHandle, &date, FORMAT_BIN) != HAL_OK) {
         // init error
         return;
     }
 
     // set the time to 00:00:00
     RTC_TimeTypeDef time;
-    time.Hours = 0x00;
-    time.Minutes = 0x00;
-    time.Seconds = 0x00;
+    time.Hours = 0;
+    time.Minutes = 0;
+    time.Seconds = 0;
     time.TimeFormat = RTC_HOURFORMAT12_AM;
     time.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
     time.StoreOperation = RTC_STOREOPERATION_RESET;
 
-    if (HAL_RTC_SetTime(&RTCHandle, &time, FORMAT_BCD) != HAL_OK) {
+    if (HAL_RTC_SetTime(&RTCHandle, &time, FORMAT_BIN) != HAL_OK) {
         // init error
         return;
     }
@@ -316,7 +316,7 @@ mp_obj_t pyb_rtc_datetime(uint n_args, const mp_obj_t *args) {
         date.Month = mp_obj_get_int(items[1]);
         date.Date = mp_obj_get_int(items[2]);
         date.WeekDay = mp_obj_get_int(items[3]);
-        HAL_RTC_SetDate(&RTCHandle, &date, FORMAT_BCD);
+        HAL_RTC_SetDate(&RTCHandle, &date, FORMAT_BIN);
 
         RTC_TimeTypeDef time;
         time.Hours = mp_obj_get_int(items[4]);
@@ -326,7 +326,7 @@ mp_obj_t pyb_rtc_datetime(uint n_args, const mp_obj_t *args) {
         time.TimeFormat = RTC_HOURFORMAT12_AM;
         time.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
         time.StoreOperation = RTC_STOREOPERATION_SET;
-        HAL_RTC_SetTime(&RTCHandle, &time, FORMAT_BCD);
+        HAL_RTC_SetTime(&RTCHandle, &time, FORMAT_BIN);
 
         return mp_const_none;
     }
diff --git a/tests/pyb/rtc.py b/tests/pyb/rtc.py
index 853aa79577..219d0791af 100644
--- a/tests/pyb/rtc.py
+++ b/tests/pyb/rtc.py
@@ -3,6 +3,28 @@ from pyb import RTC
 
 rtc = RTC()
 print(rtc)
+
+# make sure that 1 second passes correctly
 rtc.datetime((2014, 1, 1, 1, 0, 0, 0, 0))
 pyb.delay(1000)
 print(rtc.datetime()[:7])
+
+def set_and_print(datetime):
+    rtc.datetime(datetime)
+    print(rtc.datetime()[:7])
+
+# make sure that setting works correctly
+set_and_print((2000, 1, 1, 1, 0, 0, 0, 0))
+set_and_print((2000, 1, 31, 1, 0, 0, 0, 0))
+set_and_print((2000, 12, 31, 1, 0, 0, 0, 0))
+set_and_print((2016, 12, 31, 1, 0, 0, 0, 0))
+set_and_print((2016, 12, 31, 7, 0, 0, 0, 0))
+set_and_print((2016, 12, 31, 7, 1, 0, 0, 0))
+set_and_print((2016, 12, 31, 7, 12, 0, 0, 0))
+set_and_print((2016, 12, 31, 7, 13, 0, 0, 0))
+set_and_print((2016, 12, 31, 7, 23, 0, 0, 0))
+set_and_print((2016, 12, 31, 7, 23, 1, 0, 0))
+set_and_print((2016, 12, 31, 7, 23, 59, 0, 0))
+set_and_print((2016, 12, 31, 7, 23, 59, 1, 0))
+set_and_print((2016, 12, 31, 7, 23, 59, 59, 0))
+set_and_print((2099, 12, 31, 7, 23, 59, 59, 0))
diff --git a/tests/pyb/rtc.py.exp b/tests/pyb/rtc.py.exp
index d1ea2d9590..43ea70d95e 100644
--- a/tests/pyb/rtc.py.exp
+++ b/tests/pyb/rtc.py.exp
@@ -1,2 +1,16 @@
 <RTC>
 (2014, 1, 1, 1, 0, 0, 1)
+(2000, 1, 1, 1, 0, 0, 0)
+(2000, 1, 31, 1, 0, 0, 0)
+(2000, 12, 31, 1, 0, 0, 0)
+(2016, 12, 31, 1, 0, 0, 0)
+(2016, 12, 31, 7, 0, 0, 0)
+(2016, 12, 31, 7, 1, 0, 0)
+(2016, 12, 31, 7, 12, 0, 0)
+(2016, 12, 31, 7, 13, 0, 0)
+(2016, 12, 31, 7, 23, 0, 0)
+(2016, 12, 31, 7, 23, 1, 0)
+(2016, 12, 31, 7, 23, 59, 0)
+(2016, 12, 31, 7, 23, 59, 1)
+(2016, 12, 31, 7, 23, 59, 59)
+(2099, 12, 31, 7, 23, 59, 59)