Enhance TemperatureDatalogger project -- add RTC capabilities so that data is...

Enhance TemperatureDatalogger project -- add RTC capabilities so that data is logged along with the current time and date. Make logging interval configurable, set by a C# PC host application.

LUFA/ManPages/FutureChanges.txt

@@ -17,6 +17,8 @@
   *      -# Add ability to get number of bytes not written with pipe/endpoint write routines after an error
   *      -# Add standardized descriptor names to class driver structures
   *      -# Correct mishandling of error cases in Mass Storage demos
+  *      -# FIX BROKEN RNDIS HOST CLASS DRIVER (BLOCKING)
+  *      -# TEST AND CORRECT TPI PROGRAMMING SUPPORT IN THE AVRISP-MKII PROJECT (BLOCKING)
   *  - Documentation/Support
   *      -# Remake AVRStudio project files
   *      -# Add detailed overviews of how each demo works
@@ -32,6 +34,7 @@
   *      -# Finish MIDI class Bootloader
   *      -# Finish SideShow demo
   *      -# Finish StandaloneProgrammer project
+  *      -# Finish Webserver project
   *  - Ports
   *      -# AVR32 UC3B series microcontrollers
   *      -# Atmel ARM7 series microcontrollers

LUFA/ManPages/VIDAndPIDValues.txt

@@ -265,7 +265,7 @@
  *     0x2063
  *    </td>
  *    <td>
- *     <i>Currently Unallocated</i>
+ *     Mass Storage/HID Interface Datalogger Project
  *    </td>
  *   </tr>
  *

Projects/AVRISP-MKII/makefile

@@ -197,6 +197,7 @@ CDEFS += -DAUX_LINE_MASK="(1 << 4)"
 CDEFS += -DVTARGET_ADC_CHANNEL=2
 CDEFS += -DENABLE_ISP_PROTOCOL
 CDEFS += -DENABLE_XPROG_PROTOCOL
+#CDEFS += -DXPROG_VIA_HARDWARE_USART
 
 
 # Place -D or -U options here for ASM sources

Projects/TemperatureDataLogger/Descriptors.c

@@ -49,6 +49,32 @@
 	#warning USE_INTERNAL_SERIAL is not available on this AVR - please manually construct a device serial descriptor.
 #endif
 
+/** HID class report descriptor. This is a special descriptor constructed with values from the
+ *  USBIF HID class specification to describe the reports and capabilities of the HID device. This
+ *  descriptor is parsed by the host and its contents used to determine what data (and in what encoding)
+ *  the device will send, and what it may be sent back from the host. Refer to the HID specification for
+ *  more details on HID report descriptors.
+ */
+USB_Descriptor_HIDReport_Datatype_t PROGMEM GenericReport[] =
+{
+	0x06, 0x9c, 0xff,     /* Usage Page (Vendor Defined)                     */
+	0x09, 0x01,           /* Usage (Vendor Defined)                          */
+	0xa1, 0x01,           /* Collection (Vendor Defined)                     */
+	0x09, 0x02,           /*   Usage (Vendor Defined)                        */
+	0x75, 0x08,           /*   Report Size (8)                               */
+	0x95, GENERIC_REPORT_SIZE, /*   Report Count (GENERIC_REPORT_SIZE)       */
+	0x15, 0x80,           /*   Logical Minimum (-128)                        */
+	0x25, 0x7F,           /*   Logical Maximum (127)                         */
+	0x81, 0x02,           /*   Input (Data, Variable, Absolute)              */
+	0x09, 0x03,           /*   Usage (Vendor Defined)                        */
+	0x75, 0x08,           /*   Report Size (8)                               */
+	0x95, GENERIC_REPORT_SIZE, /*   Report Count (GENERIC_REPORT_SIZE)       */
+	0x15, 0x00,           /*   Logical Minimum (0)                           */
+	0x25, 0xff,           /*   Logical Maximum (255)                         */
+	0x91, 0x02,           /*   Output (Data, Variable, Absolute)             */
+	0xc0                  /* End Collection                                  */
+};
+
 /** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
  *  device characteristics, including the supported USB version, control endpoint size and the
  *  number of device configurations. The descriptor is read out by the USB host when the enumeration
@@ -66,7 +92,7 @@ USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
 	.Endpoint0Size          = FIXED_CONTROL_ENDPOINT_SIZE,
 		
 	.VendorID               = 0x03EB,
-	.ProductID              = 0x2045,
+	.ProductID              = 0x2063,
 	.ReleaseNumber          = 0x0000,
 		
 	.ManufacturerStrIndex   = 0x01,
@@ -88,7 +114,7 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 			.Header                 = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
 
 			.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
-			.TotalInterfaces        = 1,
+			.TotalInterfaces        = 2,
 				
 			.ConfigurationNumber    = 1,
 			.ConfigurationStrIndex  = NO_DESCRIPTOR,
@@ -98,7 +124,7 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 			.MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)
 		},
 		
-	.Interface = 
+	.MSInterface = 
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
 
@@ -114,7 +140,7 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 			.InterfaceStrIndex      = NO_DESCRIPTOR
 		},
 
-	.DataInEndpoint = 
+	.MSDataInEndpoint = 
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 
@@ -124,7 +150,7 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 			.PollingIntervalMS      = 0x00
 		},
 
-	.DataOutEndpoint = 
+	.MSDataOutEndpoint = 
 		{
 			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 
@@ -132,7 +158,44 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 			.Attributes             = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 			.EndpointSize           = MASS_STORAGE_IO_EPSIZE,
 			.PollingIntervalMS      = 0x00
-		}
+		},
+		
+	.HIDInterface = 
+		{
+			.Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
+
+			.InterfaceNumber        = 1,
+			.AlternateSetting       = 0,
+			
+			.TotalEndpoints         = 1,
+				
+			.Class                  = 0x03,
+			.SubClass               = 0x00,
+			.Protocol               = HID_NON_BOOT_PROTOCOL,
+				
+			.InterfaceStrIndex      = NO_DESCRIPTOR
+		},
+
+	.HIDInfo = 
+		{
+			.Header                 = {.Size = sizeof(USB_HID_Descriptor_t), .Type = DTYPE_HID},
+									 
+			.HIDSpec                = VERSION_BCD(01.11),
+			.CountryCode            = 0x00,
+			.TotalReportDescriptors = 1,
+			.HIDReportType          = DTYPE_Report,
+			.HIDReportLength        = sizeof(GenericReport)
+		},
+
+	.HIDDataInEndpoint = 
+		{
+			.Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
+										 
+			.EndpointAddress        = (ENDPOINT_DESCRIPTOR_DIR_IN | GENERIC_IN_EPNUM),
+			.Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
+			.EndpointSize           = GENERIC_EPSIZE,
+			.PollingIntervalMS      = 0x0A
+		},		
 };
 
 /** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
@@ -163,9 +226,9 @@ USB_Descriptor_String_t PROGMEM ManufacturerString =
  */
 USB_Descriptor_String_t PROGMEM ProductString =
 {
-	.Header                 = {.Size = USB_STRING_LEN(22), .Type = DTYPE_String},
+	.Header                 = {.Size = USB_STRING_LEN(10), .Type = DTYPE_String},
 		
-	.UnicodeString          = L"LUFA Mass Storage Demo"
+	.UnicodeString          = L"Datalogger"
 };
 
 /** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
@@ -209,6 +272,14 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex,
 					break;
 			}
 			
+			break;
+		case DTYPE_HID: 
+			Address = (void*)&ConfigurationDescriptor.HIDInfo;
+			Size    = sizeof(USB_HID_Descriptor_t);
+			break;
+		case DTYPE_Report: 
+			Address = (void*)&GenericReport;
+			Size    = sizeof(GenericReport);
 			break;
 	}
 	

Projects/TemperatureDataLogger/Descriptors.h

@@ -5,33 +5,6 @@
   dean [at] fourwalledcubicle [dot] com
       www.fourwalledcubicle.com
 */
-
-/*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
-  Permission to use, copy, modify, distribute, and sell this 
-  software and its documentation for any purpose is hereby granted
-  without fee, provided that the above copyright notice appear in 
-  all copies and that both that the copyright notice and this
-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
-  software without specific, written prior permission.
-
-  The author disclaim all warranties with regard to this
-  software, including all implied warranties of merchantability
-  and fitness.  In no event shall the author be liable for any
-  special, indirect or consequential damages or any damages
-  whatsoever resulting from loss of use, data or profits, whether
-  in an action of contract, negligence or other tortious action,
-  arising out of or in connection with the use or performance of
-  this software.
-*/
-
-/** \file
- *
- *  Header file for Descriptors.c.
- */
  
 #ifndef _DESCRIPTORS_H_
 #define _DESCRIPTORS_H_
@@ -41,6 +14,9 @@
 
 		#include <LUFA/Drivers/USB/USB.h>
 		#include <LUFA/Drivers/USB/Class/MassStorage.h>
+		#include <LUFA/Drivers/USB/Class/HID.h>
+		
+		#include "TempDataLogger.h"
 
 	/* Macros: */
 		/** Endpoint number of the Mass Storage device-to-host data IN endpoint. */
@@ -51,6 +27,15 @@
 
 		/** Size in bytes of the Mass Storage data endpoints. */
 		#define MASS_STORAGE_IO_EPSIZE         64
+
+		/** Endpoint number of the Generic HID reporting IN endpoint. */
+		#define GENERIC_IN_EPNUM               1
+
+		/** Size in bytes of the Generic HID reporting endpoint. */
+		#define GENERIC_EPSIZE                 16
+		
+		/** Size in bytes of the Generic HID reports (including report ID byte). */
+		#define GENERIC_REPORT_SIZE            sizeof(Device_Report_t)
 		
 	/* Type Defines: */		
 		/** Type define for the device configuration descriptor structure. This must be defined in the
@@ -60,9 +45,12 @@
 		typedef struct
 		{
 			USB_Descriptor_Configuration_Header_t Config;
-			USB_Descriptor_Interface_t            Interface;
-			USB_Descriptor_Endpoint_t             DataInEndpoint;
-			USB_Descriptor_Endpoint_t             DataOutEndpoint;
+			USB_Descriptor_Interface_t            MSInterface;
+			USB_Descriptor_Endpoint_t             MSDataInEndpoint;
+			USB_Descriptor_Endpoint_t             MSDataOutEndpoint;
+			USB_Descriptor_Interface_t            HIDInterface;
+			USB_HID_Descriptor_t                  HIDInfo;
+			USB_Descriptor_Endpoint_t             HIDDataInEndpoint;
 		} USB_Descriptor_Configuration_t;
 		
 	/* Function Prototypes: */

Projects/TemperatureDataLogger/Lib/DS1307.c

+/*
+     Copyright (C) Dean Camera, 2010.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+#include "DS1307.h"
+
+void DS1307_Init(void)
+{
+	// Nothing to initialize
+}
+
+void DS1307_SetDate(uint8_t Day, uint8_t Month, uint8_t Year)
+{
+#if defined(DUMMY_RTC)
+	return;
+#endif
+
+	DS1307_DateRegs_t CurrentRTCDate;		
+	CurrentRTCDate.Byte1.TenDay   = (Day / 10);
+	CurrentRTCDate.Byte1.Day      = (Day % 10);
+	CurrentRTCDate.Byte2.TenMonth = (Month / 10);
+	CurrentRTCDate.Byte2.Month    = (Month % 10);
+	CurrentRTCDate.Byte3.TenYear  = (Year / 10);
+	CurrentRTCDate.Byte3.Year     = (Year % 10);
+
+	if (TWI_StartTransmission(DS1307_ADDRESS_WRITE))
+	{
+		TWI_SendByte(DS1307_DATEREG_START);
+		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)
+{
+#if defined(DUMMY_RTC)
+	return;
+#endif
+
+	DS1307_TimeRegs_t CurrentRTCTime;
+	CurrentRTCTime.Byte1.TenSec  = (Second / 10);
+	CurrentRTCTime.Byte1.Sec     = (Second % 10);
+	CurrentRTCTime.Byte1.CH      = false;
+	CurrentRTCTime.Byte2.TenMin  = (Minute / 10);
+	CurrentRTCTime.Byte2.Min     = (Minute % 10);
+	CurrentRTCTime.Byte3.TenHour = (Hour / 10);
+	CurrentRTCTime.Byte3.Hour    = (Hour % 10);
+	CurrentRTCTime.Byte3.TwelveHourMode = false;
+	
+	if (TWI_StartTransmission(DS1307_ADDRESS_WRITE))
+	{
+		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)
+{
+#if defined(DUMMY_RTC)
+	*Day   = 1;
+	*Month = 1;
+	*Year  = 1;
+	return;
+#endif
+
+	if (TWI_StartTransmission(DS1307_ADDRESS_WRITE))
+	{
+		TWI_SendByte(DS1307_DATEREG_START);
+		
+		TWI_StopTransmission();
+	}
+
+	DS1307_DateRegs_t CurrentRTCDate;
+
+	if (TWI_StartTransmission(DS1307_ADDRESS_READ))
+	{
+		TWI_ReceiveByte(&CurrentRTCDate.Byte1.IntVal, false);
+		TWI_ReceiveByte(&CurrentRTCDate.Byte2.IntVal, false);
+		TWI_ReceiveByte(&CurrentRTCDate.Byte3.IntVal, true);
+		
+		TWI_StopTransmission();
+	}
+
+	*Day    = (CurrentRTCDate.Byte1.TenDay   * 10) + CurrentRTCDate.Byte1.Day;
+	*Month  = (CurrentRTCDate.Byte2.TenMonth * 10) + CurrentRTCDate.Byte2.Month;
+	*Year   = (CurrentRTCDate.Byte3.TenYear  * 10) + CurrentRTCDate.Byte3.Year;
+}
+
+void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second)
+{
+#if defined(DUMMY_RTC)
+	*Hour   = 1;
+	*Minute = 1;
+	*Second = 1;
+	return;
+#endif
+
+	if (TWI_StartTransmission(DS1307_ADDRESS_WRITE))
+	{
+		TWI_SendByte(DS1307_TIMEREG_START);
+		
+		TWI_StopTransmission();
+	}
+	
+	DS1307_TimeRegs_t CurrentRTCTime;
+
+	if (TWI_StartTransmission(DS1307_ADDRESS_READ))
+	{
+		TWI_ReceiveByte(&CurrentRTCTime.Byte1.IntVal, false);
+		TWI_ReceiveByte(&CurrentRTCTime.Byte2.IntVal, false);
+		TWI_ReceiveByte(&CurrentRTCTime.Byte3.IntVal, true);
+		
+		TWI_StopTransmission();
+	}
+
+	*Second  = (CurrentRTCTime.Byte1.TenSec  * 10) + CurrentRTCTime.Byte1.Sec;
+	*Minute  = (CurrentRTCTime.Byte2.TenMin  * 10) + CurrentRTCTime.Byte2.Min;
+	*Hour    = (CurrentRTCTime.Byte3.TenHour * 10) + CurrentRTCTime.Byte3.Hour;
+}

Projects/TemperatureDataLogger/Lib/DS1307.h

+/*
+     Copyright (C) Dean Camera, 2010.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+#ifndef _DS1307_H_
+#define _DS1307_H_
+
+	/* Includes: */
+		#include <avr/io.h>
+
+		#include <LUFA/Drivers/Peripheral/TWI.h>
+
+	/* Type Defines: */
+		typedef struct
+		{
+			union
+			{
+				struct
+				{
+					unsigned int Sec            : 4;
+					unsigned int TenSec         : 3;
+					unsigned int CH             : 1;
+				};
+				
+				uint8_t IntVal;
+			} Byte1;
+			
+			union
+			{
+				struct
+				{
+					unsigned int Min            : 4;
+					unsigned int TenMin         : 3;
+					unsigned int _RESERVED      : 1;
+				};
+				
+				uint8_t IntVal;
+			} Byte2;
+			
+			union
+			{
+				struct
+				{
+					unsigned int Hour            : 4;
+					unsigned int TenHour         : 2;
+					unsigned int TwelveHourMode  : 1;
+					unsigned int _RESERVED       : 1;
+				};
+				
+				uint8_t IntVal;
+			} Byte3;
+		} DS1307_TimeRegs_t;
+
+		typedef struct
+		{
+			union
+			{
+				struct
+				{
+					unsigned int Day             : 4;
+					unsigned int TenDay          : 2;
+					unsigned int _RESERVED       : 2;
+				};
+			
+				uint8_t IntVal;
+			} Byte1;
+
+			union
+			{
+				struct
+				{
+					unsigned int Month           : 4;
+					unsigned int TenMonth        : 1;
+					unsigned int _RESERVED       : 3;
+				};
+				
+				uint8_t IntVal;
+			} Byte2;
+			
+			union
+			{
+				struct
+				{
+					unsigned int Year            : 4;
+					unsigned int TenYear         : 4;
+				};
+				
+				uint8_t IntVal;
+			} Byte3;
+		} DS1307_DateRegs_t;
+
+	/* Macros: */
+		#define DS1307_TIMEREG_START  0x00
+		#define DS1307_DATEREG_START  0x04
+	
+		#define DS1307_ADDRESS_READ   0b11010001
+		#define DS1307_ADDRESS_WRITE  0b11010000
+
+	/* Function Prototypes: */
+		void DS1307_Init(void);
+		
+		void DS1307_SetDate(uint8_t Day, uint8_t Month, uint8_t Year);
+		void DS1307_SetTime(uint8_t Hour, uint8_t Minute, uint8_t Second);
+		
+		void DS1307_GetDate(uint8_t* Day, uint8_t* Month, uint8_t* Year);
+		void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second);
+
+#endif

Projects/TemperatureDataLogger/Lib/FATFs/diskio.c

@@ -83,5 +83,17 @@ DRESULT disk_ioctl (
 
 DWORD get_fattime (void)
 {
-	return (1UL << 25) | (1UL << 21) | (1UL << 16) | (1UL << 11) | (1UL << 5) | (1UL << 0);
+	uint8_t Day,  Month,  Year;
+	uint8_t Hour, Minute, Second;
+
+	DS1307_GetDate(&Day,  &Month,  &Year);
+	DS1307_GetTime(&Hour, &Minute, &Second);
+
+
+	return ((DWORD)(20 + Year) << 25) |
+	             ((DWORD)Month << 21) |
+	               ((DWORD)Day << 16) |
+	              ((DWORD)Hour << 11) |
+	             ((DWORD)Minute << 5) |
+	      (((DWORD)Second >> 1) << 0);
 }

Projects/TemperatureDataLogger/Lib/FATFs/ffconf.h

@@ -36,7 +36,7 @@
 /   3: f_lseek is removed in addition to level 2. */
 
 
-#define	_USE_STRFUNC	1	/* 0, 1 or 2 */
+#define	_USE_STRFUNC	0	/* 0, 1 or 2 */
 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
 
 

Projects/TemperatureDataLogger/TempDataLogger.c

@@ -58,52 +58,93 @@ USB_ClassInfo_MS_Device_t Disk_MS_Interface =
 			},
 	};
 
+/** Buffer to hold the previously generated HID report, for comparison purposes inside the HID class driver. */
+uint8_t PrevHIDReportBuffer[GENERIC_REPORT_SIZE];
+
+/** LUFA HID Class driver interface configuration and state information. This structure is
+ *  passed to all HID Class driver functions, so that multiple instances of the same class
+ *  within a device can be differentiated from one another.
+ */
+USB_ClassInfo_HID_Device_t Generic_HID_Interface =
+	{
+		.Config =
+			{
+				.InterfaceNumber              = 1,
+
+				.ReportINEndpointNumber       = GENERIC_IN_EPNUM,
+				.ReportINEndpointSize         = GENERIC_EPSIZE,
+				.ReportINEndpointDoubleBank   = false,
+				
+				.PrevReportINBuffer           = PrevHIDReportBuffer,
+				.PrevReportINBufferSize       = sizeof(PrevHIDReportBuffer),
+			},
+	};
+
+/** Non-volatile Logging Interval value in EEPROM, stored as a number of 500ms ticks */
+uint8_t EEMEM LoggingInterval500MS_EEPROM;
+
+/** SRAM Logging Interval value fetched from EEPROM, stored as a number of 500ms ticks */
+uint8_t LoggingInterval500MS_SRAM;
+
+/** Total number of 500ms logging ticks elapsed since the last log value was recorded */
+uint16_t CurrentLoggingTicks;
+
 /** FAT Fs structure to hold the internal state of the FAT driver for the dataflash contents. */
 FATFS DiskFATState;
 
 /** FAT Fs structure to hold a FAT file handle for the log data write destination. */
 FIL TempLogFile;
 
-/** Counter to count the number of 10 millisecond ticks that has elapsed since the last sample */
-uint16_t CurrentLogTick;
-
 
 ISR(TIMER1_COMPA_vect, ISR_BLOCK)
 {
-	if (CurrentLogTick++ != LOG_INTERVAL_10MS)
-	  return;
-	  
 	uint8_t LEDMask = LEDs_GetLEDs();
 
+	/* Check to see if the logging interval has expired */
+	if (CurrentLoggingTicks++ < LoggingInterval500MS_SRAM)
+	  return;
+	    
 	LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
 
-	CurrentLogTick = 0;
-
+	/* Reset log tick counter to prepare for next logging interval */
+	CurrentLoggingTicks = 0;
+	
 	if (USB_DeviceState == DEVICE_STATE_Unattached)
 	{
-		f_printf(&TempLogFile, "%d Degrees\r\n", Temperature_GetTemperature());
+		uint8_t Day,  Month,  Year;
+		uint8_t Hour, Minute, Second;
+
+		DS1307_GetDate(&Day,  &Month,  &Year);
+		DS1307_GetTime(&Hour, &Minute, &Second);
+
+		char     LineBuffer[100];
+		uint16_t BytesWritten;
+
+		BytesWritten = sprintf(LineBuffer, "%02d/%02d/20%04d, %02d:%02d:%02d, %d Degrees\r\n",
+							   Day, Month, Year, Hour, Minute, Second, Temperature_GetTemperature());
+
+		f_write(&TempLogFile, LineBuffer, BytesWritten, &BytesWritten);
 		f_sync(&TempLogFile);
 	}