Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/rtc_api.c

Revision:

135:067cc8ba23da

Parent:

125:23cc3068a9e4

Child:

162:937d965048d3

--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/rtc_api.c	Tue Mar 25 09:30:07 2014 +0000
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/rtc_api.c	Tue Mar 25 10:15:07 2014 +0000
@@ -39,27 +39,27 @@
     // Be sure to start correctly
     RCC_BackupResetCmd(ENABLE);
     RCC_BackupResetCmd(DISABLE);
-  
+
     // Note: the LSI is used as RTC source clock
     // The RTC Clock may vary due to LSI frequency dispersion.
     RCC_LSICmd(ENABLE); // Enable LSI
-  
+
     while (RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET) {} // Wait until ready
-    
+
     RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI); // Select LSI as RTC Clock Source
-  
-    RCC_RTCCLKCmd(ENABLE); // Enable RTC Clock 
-      
+
+    RCC_RTCCLKCmd(ENABLE); // Enable RTC Clock
+
     RTC_WaitForSynchro(); // Wait for RTC registers synchronization
 
     uint32_t lsi_freq = 40000; // [TODO] To be measured precisely using a timer input capture
 
     RTC_InitTypeDef RTC_InitStructure;
     RTC_InitStructure.RTC_AsynchPrediv = 127;
-    RTC_InitStructure.RTC_SynchPrediv	 = (lsi_freq / 128) - 1;
+    RTC_InitStructure.RTC_SynchPrediv  = (lsi_freq / 128) - 1;
     RTC_InitStructure.RTC_HourFormat   = RTC_HourFormat_24;
     RTC_Init(&RTC_InitStructure);
-    
+
     rtc_inited = 1;
 }
 
@@ -93,11 +93,11 @@
     RTC_DateTypeDef dateStruct;
     RTC_TimeTypeDef timeStruct;
     struct tm timeinfo;
-        
+
     // Read actual date and time
     RTC_GetTime(RTC_Format_BIN, &timeStruct);
     RTC_GetDate(RTC_Format_BIN, &dateStruct);
-    
+
     // Setup a tm structure based on the RTC
     timeinfo.tm_wday = dateStruct.RTC_WeekDay;
     timeinfo.tm_mon  = dateStruct.RTC_Month - 1;
@@ -106,11 +106,11 @@
     timeinfo.tm_hour = timeStruct.RTC_Hours;
     timeinfo.tm_min  = timeStruct.RTC_Minutes;
     timeinfo.tm_sec  = timeStruct.RTC_Seconds;
-    
+
     // Convert to timestamp
     time_t t = mktime(&timeinfo);
-    
-    return t;    
+
+    return t;
 }
 
 void rtc_write(time_t t) {
@@ -119,7 +119,7 @@
 
     // Convert the time into a tm
     struct tm *timeinfo = localtime(&t);
-    
+
     // Fill RTC structures
     dateStruct.RTC_WeekDay = timeinfo->tm_wday;
     dateStruct.RTC_Month   = timeinfo->tm_mon + 1;
@@ -129,10 +129,10 @@
     timeStruct.RTC_Minutes = timeinfo->tm_min;
     timeStruct.RTC_Seconds = timeinfo->tm_sec;
     timeStruct.RTC_H12     = RTC_HourFormat_24;
-    
+
     // Change the RTC current date/time
-    PWR_BackupAccessCmd(ENABLE); // Enable access to RTC    
+    PWR_BackupAccessCmd(ENABLE); // Enable access to RTC
     RTC_SetDate(RTC_Format_BIN, &dateStruct);
-    RTC_SetTime(RTC_Format_BIN, &timeStruct);    
+    RTC_SetTime(RTC_Format_BIN, &timeStruct);
     PWR_BackupAccessCmd(DISABLE); // Disable access to RTC
 }