X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/42ac34b484b677ae1004c3d0215b27911a100a71..f555ad7ced743a19eb1eefaf5eaf536fcbe58d80:/Projects/TempDataLogger/Lib/DS1307.c?ds=sidebyside

diff --git a/Projects/TempDataLogger/Lib/DS1307.c b/Projects/TempDataLogger/Lib/DS1307.c
index 003160fe2..077f14019 100644
--- a/Projects/TempDataLogger/Lib/DS1307.c
+++ b/Projects/TempDataLogger/Lib/DS1307.c
@@ -1,19 +1,21 @@
 /*
-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2011.
+
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 #include "DS1307.h"
 
-void DS1307_SetDate(uint8_t Day, uint8_t Month, uint8_t Year)
+void DS1307_SetDate(const uint8_t Day,
+                    const uint8_t Month,
+                    const uint8_t Year)
 {
 #if defined(DUMMY_RTC)
 	return;
 #endif
 
-	DS1307_DateRegs_t CurrentRTCDate;		
+	DS1307_DateRegs_t CurrentRTCDate;
 	CurrentRTCDate.Byte1.Fields.TenDay   = (Day / 10);
 	CurrentRTCDate.Byte1.Fields.Day      = (Day % 10);
 	CurrentRTCDate.Byte2.Fields.TenMonth = (Month / 10);
@@ -27,12 +29,14 @@ void DS1307_SetDate(uint8_t Day, uint8_t Month, uint8_t Year)
 		TWI_SendByte(CurrentRTCDate.Byte1.IntVal);
 		TWI_SendByte(CurrentRTCDate.Byte2.IntVal);
 		TWI_SendByte(CurrentRTCDate.Byte3.IntVal);
-		
+
 		TWI_StopTransmission();
 	}
 }
 
-void DS1307_SetTime(uint8_t Hour, uint8_t Minute, uint8_t Second)
+void DS1307_SetTime(const uint8_t Hour,
+                    const uint8_t Minute,
+                    const uint8_t Second)
 {
 #if defined(DUMMY_RTC)
 	return;
@@ -47,19 +51,21 @@ void DS1307_SetTime(uint8_t Hour, uint8_t Minute, uint8_t Second)
 	CurrentRTCTime.Byte3.Fields.TenHour = (Hour / 10);
 	CurrentRTCTime.Byte3.Fields.Hour    = (Hour % 10);
 	CurrentRTCTime.Byte3.Fields.TwelveHourMode = false;
-	
+
 	if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10))
 	{
 		TWI_SendByte(DS1307_TIMEREG_START);
 		TWI_SendByte(CurrentRTCTime.Byte1.IntVal);
 		TWI_SendByte(CurrentRTCTime.Byte2.IntVal);
 		TWI_SendByte(CurrentRTCTime.Byte3.IntVal);
-		
+
 		TWI_StopTransmission();
 	}
 }
-		
-void DS1307_GetDate(uint8_t* Day, uint8_t* Month, uint8_t* Year)
+
+void DS1307_GetDate(uint8_t* const Day,
+                    uint8_t* const Month,
+                    uint8_t* const Year)
 {
 #if defined(DUMMY_RTC)
 	*Day   = 1;
@@ -71,7 +77,7 @@ void DS1307_GetDate(uint8_t* Day, uint8_t* Month, uint8_t* Year)
 	if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10))
 	{
 		TWI_SendByte(DS1307_DATEREG_START);
-		
+
 		TWI_StopTransmission();
 	}
 
@@ -82,7 +88,7 @@ void DS1307_GetDate(uint8_t* Day, uint8_t* Month, uint8_t* Year)
 		TWI_ReceiveByte(&CurrentRTCDate.Byte1.IntVal, false);
 		TWI_ReceiveByte(&CurrentRTCDate.Byte2.IntVal, false);
 		TWI_ReceiveByte(&CurrentRTCDate.Byte3.IntVal, true);
-		
+
 		TWI_StopTransmission();
 	}
 
@@ -91,7 +97,9 @@ void DS1307_GetDate(uint8_t* Day, uint8_t* Month, uint8_t* Year)
 	*Year   = (CurrentRTCDate.Byte3.Fields.TenYear  * 10) + CurrentRTCDate.Byte3.Fields.Year;
 }
 
-void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second)
+void DS1307_GetTime(uint8_t* const Hour,
+                    uint8_t* const Minute,
+                    uint8_t* const Second)
 {
 #if defined(DUMMY_RTC)
 	*Hour   = 1;
@@ -103,10 +111,10 @@ void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second)
 	if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10))
 	{
 		TWI_SendByte(DS1307_TIMEREG_START);
-		
+
 		TWI_StopTransmission();
 	}
-	
+
 	DS1307_TimeRegs_t CurrentRTCTime;
 
 	if (TWI_StartTransmission(DS1307_ADDRESS_READ, 10))
@@ -114,7 +122,7 @@ void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second)
 		TWI_ReceiveByte(&CurrentRTCTime.Byte1.IntVal, false);
 		TWI_ReceiveByte(&CurrentRTCTime.Byte2.IntVal, false);
 		TWI_ReceiveByte(&CurrentRTCTime.Byte3.IntVal, true);
-		
+
 		TWI_StopTransmission();
 	}
 
@@ -122,3 +130,4 @@ void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second)
 	*Minute  = (CurrentRTCTime.Byte2.Fields.TenMin  * 10) + CurrentRTCTime.Byte2.Fields.Min;
 	*Hour    = (CurrentRTCTime.Byte3.Fields.TenHour * 10) + CurrentRTCTime.Byte3.Fields.Hour;
 }
+