mbed_localtime: Add support of year day.

This field is needed by the LPC43XX targets.

Author: pan-

TESTS/mbed_hal/rtc_time/main.cpp

@@ -186,6 +186,7 @@ void test_local_time() {
             expected->tm_mon != actual_value.tm_mon || 
             expected->tm_year != actual_value.tm_year || 
             expected->tm_wday != actual_value.tm_wday || 
+            expected->tm_yday != actual_value.tm_yday ||
             result == false
         ) { 
             printf("error: i = %lu\r\n", i);
@@ -213,6 +214,9 @@ void test_local_time() {
         TEST_ASSERT_EQUAL_UINT32_MESSAGE(
             expected->tm_wday, actual_value.tm_wday, "invalid weekday"
         );
+        TEST_ASSERT_EQUAL_UINT32_MESSAGE(
+            expected->tm_yday, actual_value.tm_yday, "invalid year day"
+        );
     }
 }
 

platform/mbed_mktime.c

@@ -143,6 +143,8 @@ bool _rtc_localtime(time_t timestamp, struct tm* time_info) {
         }
     }
 
+    time_info->tm_yday = timestamp;
+
     // convert days into seconds and find the current month
     timestamp *= SECONDS_BY_DAY;
     time_info->tm_mon = 11;

platform/mbed_mktime.h

@@ -81,6 +81,7 @@ time_t _rtc_mktime(const struct tm* calendar_time);
  *   - tm_mon
  *   - tm_year
  *   - tm_wday
+ *   - tm_yday
  * The object remains untouched if the time in input is invalid.
  * @return true if the conversion was successful, false otherwise.
  *