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@ -64,7 +64,7 @@ FATFS DiskFATState;
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/** FAT Fs structure to hold a FAT file handle for the log data write destination. */
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FIL TempLogFile;
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/** Counter to count the number of 10 millisecond tick that has elapsed since the last sample */
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/** Counter to count the number of 10 millisecond ticks that has elapsed since the last sample */
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uint16_t CurrentLogTick;
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@ -73,6 +73,10 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
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if (CurrentLogTick++ != LOG_INTERVAL_10MS)
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return;
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uint8_t LEDMask = LEDs_GetLEDs();
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LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
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CurrentLogTick = 0;
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if (USB_DeviceState == DEVICE_STATE_Unattached)
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@ -80,6 +84,8 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
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f_printf(&TempLogFile, "%d Degrees\r\n", Temperature_GetTemperature());
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f_sync(&TempLogFile);
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}
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LEDs_SetAllLEDs(LEDMask);
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}
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@ -96,10 +102,11 @@ int main(void)
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f_mount(0, &DiskFATState);
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f_open(&TempLogFile, LOG_FILENAME, FA_OPEN_ALWAYS | FA_WRITE);
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f_lseek(&TempLogFile, TempLogFile.fsize);
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/* Write out the log seperator line */
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f_printf(&TempLogFile, "===========================\r\n");
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Temperature_GetTemperature(); // Discard first temperature reading to ensure accuracy
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/* Discard the first sample from the temperature sensor, as it is generally incorrect */
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uint8_t Dummy = Temperature_GetTemperature();
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(void)Dummy;
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for (;;)
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{
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@ -128,8 +135,7 @@ void SetupHardware(void)
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/* 10ms interval timer configuration */
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OCR1A = (((F_CPU / 1024) / 100) - 1);
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TCCR1A = (1 << WGM01); // CTC mode
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TCCR1B = (1 << CS12) | (1 << CS10); // Fcpu/1024 speed
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TCCR1B = (1 << WGM12) | (1 << CS12) | (1 << CS10); // CTC mode, Fcpu/1024 speed
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TIMSK1 = (1 << OCIE1A);
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/* Clear Dataflash sector protections, if enabled */
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@ -154,6 +160,7 @@ void EVENT_USB_Device_Disconnect(void)
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f_mount(0, &DiskFATState);
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f_open(&TempLogFile, LOG_FILENAME, FA_OPEN_ALWAYS | FA_WRITE);
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f_lseek(&TempLogFile, TempLogFile.fsize);
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f_printf(&TempLogFile, "===========================\r\n");
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}
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/** Event handler for the library USB Configuration Changed event. */
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