X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/7776aa4e2e7430da6fab1712816b887d21032dd9..6e7fc21a94f29e09b4bdce7c17cade5b1322bc7d:/Projects/TempDataLogger/TempDataLogger.c

diff --git a/Projects/TempDataLogger/TempDataLogger.c b/Projects/TempDataLogger/TempDataLogger.c
index ec3902908..cd511f4f7 100644
--- a/Projects/TempDataLogger/TempDataLogger.c
+++ b/Projects/TempDataLogger/TempDataLogger.c
@@ -59,7 +59,7 @@ 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];
+static 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
@@ -81,19 +81,19 @@ USB_ClassInfo_HID_Device_t Generic_HID_Interface =
 	};
 
 /** Non-volatile Logging Interval value in EEPROM, stored as a number of 500ms ticks */
-uint8_t EEMEM LoggingInterval500MS_EEPROM = DEFAULT_LOG_INTERVAL;
+static uint8_t EEMEM LoggingInterval500MS_EEPROM = DEFAULT_LOG_INTERVAL;
 
 /** SRAM Logging Interval value fetched from EEPROM, stored as a number of 500ms ticks */
-uint8_t LoggingInterval500MS_SRAM;
+static uint8_t LoggingInterval500MS_SRAM;
 
 /** Total number of 500ms logging ticks elapsed since the last log value was recorded */
-uint16_t CurrentLoggingTicks;
+static uint16_t CurrentLoggingTicks;
 
 /** FAT Fs structure to hold the internal state of the FAT driver for the Dataflash contents. */
-FATFS DiskFATState;
+static FATFS DiskFATState;
 
 /** FAT Fs structure to hold a FAT file handle for the log data write destination. */
-FIL TempLogFile;
+static FIL TempLogFile;
 
 
 /** ISR to handle the 500ms ticks for sampling and data logging */
@@ -151,10 +151,6 @@ int main(void)
 	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 	sei();
 
-	/* Discard the first sample from the temperature sensor, as it is generally incorrect */
-	volatile uint8_t Dummy = Temperature_GetTemperature();
-	(void)Dummy;
-
 	for (;;)
 	{
 		MS_Device_USBTask(&Disk_MS_Interface);
@@ -204,7 +200,7 @@ void SetupHardware(void)
 	Temperature_Init();
 	Dataflash_Init();
 	USB_Init();
-	TWI_Init();
+	TWI_Init(TWI_BIT_PRESCALE_4, (F_CPU / 4 / 50000) / 2);
 
 	/* 500ms logging interval timer configuration */
 	OCR1A   = (((F_CPU / 1024) / 2) - 1);