/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2012.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
};
/** 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
.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 = 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 */
uint8_t LEDMask = LEDs_GetLEDs();
/* Check to see if the logging interval has expired */
- if (CurrentLoggingTicks++ < LoggingInterval500MS_SRAM)
+ if (++CurrentLoggingTicks < LoggingInterval500MS_SRAM)
return;
-
+
/* Reset log tick counter to prepare for next logging interval */
CurrentLoggingTicks = 0;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
-
+
/* Only log when not connected to a USB host */
if (USB_DeviceState == DEVICE_STATE_Unattached)
{
- uint8_t Day, Month, Year;
- uint8_t Hour, Minute, Second;
-
- DS1307_GetDate(&Day, &Month, &Year);
- DS1307_GetTime(&Hour, &Minute, &Second);
+ TimeDate_t CurrentTimeDate;
+ DS1307_GetTimeDate(&CurrentTimeDate);
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());
+ BytesWritten = sprintf(LineBuffer, "%02d/%02d/20%02d, %02d:%02d:%02d, %d Degrees\r\n",
+ CurrentTimeDate.Day, CurrentTimeDate.Month, CurrentTimeDate.Year,
+ CurrentTimeDate.Hour, CurrentTimeDate.Minute, CurrentTimeDate.Second,
+ Temperature_GetTemperature());
f_write(&TempLogFile, LineBuffer, BytesWritten, &BytesWritten);
f_sync(&TempLogFile);
}
-
+
LEDs_SetAllLEDs(LEDMask);
}
/* Fetch logging interval from EEPROM */
LoggingInterval500MS_SRAM = eeprom_read_byte(&LoggingInterval500MS_EEPROM);
-
+
/* Check if the logging interval is invalid (0xFF) indicating that the EEPROM is blank */
if (LoggingInterval500MS_SRAM == 0xFF)
LoggingInterval500MS_SRAM = DEFAULT_LOG_INTERVAL;
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);
char LogFileName[12];
/* Get the current date for the filename as "DDMMYY.csv" */
- uint8_t Day, Month, Year;
- DS1307_GetDate(&Day, &Month, &Year);
- sprintf(LogFileName, "%02d%02d%02d.csv", Day, Month, Year);
+ TimeDate_t CurrentTimeDate;
+ DS1307_GetTimeDate(&CurrentTimeDate);
+ sprintf(LogFileName, "%02d%02d%02d.csv", CurrentTimeDate.Day, CurrentTimeDate.Month, CurrentTimeDate.Year);
/* Mount the storage device, open the file */
f_mount(0, &DiskFATState);
/* Hardware Initialization */
LEDs_Init();
SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
- ADC_Init(ADC_REFERENCE_AVCC | ADC_FREE_RUNNING | ADC_PRESCALE_128);
+ ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_128);
Temperature_Init();
Dataflash_Init();
USB_Init();
- TWI_Init();
-
+ TWI_Init(TWI_BIT_PRESCALE_4, TWI_BITLENGTH_FROM_FREQ(4, 50000));
+
/* 500ms logging interval timer configuration */
- OCR1A = ((F_CPU / 1024) / 2);
+ OCR1A = (((F_CPU / 1024) / 2) - 1);
TCCR1B = (1 << WGM12) | (1 << CS12) | (1 << CS10);
TIMSK1 = (1 << OCIE1A);
void EVENT_USB_Device_Disconnect(void)
{
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-
+
/* Mount and open the log file on the Dataflash FAT partition */
OpenLogFile();
}
/** Event handler for the library USB Configuration Changed event. */
void EVENT_USB_Device_ConfigurationChanged(void)
{
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ bool ConfigSuccess = true;
+
+ ConfigSuccess &= HID_Device_ConfigureEndpoints(&Generic_HID_Interface);
+ ConfigSuccess &= MS_Device_ConfigureEndpoints(&Disk_MS_Interface);
- if (!(MS_Device_ConfigureEndpoints(&Disk_MS_Interface)))
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
- if (!(HID_Device_ConfigureEndpoints(&Generic_HID_Interface)))
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
}
-/** Event handler for the library USB Unhandled Control Request event. */
-void EVENT_USB_Device_UnhandledControlRequest(void)
+/** Event handler for the library USB Control Request reception event. */
+void EVENT_USB_Device_ControlRequest(void)
{
MS_Device_ProcessControlRequest(&Disk_MS_Interface);
HID_Device_ProcessControlRequest(&Generic_HID_Interface);
bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
bool CommandSuccess;
-
+
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
CommandSuccess = SCSI_DecodeSCSICommand(MSInterfaceInfo);
LEDs_SetAllLEDs(LEDMASK_USB_READY);
-
+
return CommandSuccess;
}
/** HID class driver callback function for the creation of HID reports to the host.
*
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
- * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the
- * generated report ID
- * \param[in] ReportType Type of the report to create, either REPORT_ITEM_TYPE_In or REPORT_ITEM_TYPE_Feature
+ * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
+ * \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
* \param[out] ReportData Pointer to a buffer where the created report should be stored
- * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent
+ * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent)
*
* \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
*/
{
Device_Report_t* ReportParams = (Device_Report_t*)ReportData;
- DS1307_GetDate(&ReportParams->Day, &ReportParams->Month, &ReportParams->Year);
- DS1307_GetTime(&ReportParams->Hour, &ReportParams->Minute, &ReportParams->Second);
-
+ DS1307_GetTimeDate(&ReportParams->TimeDate);
+
ReportParams->LogInterval500MS = LoggingInterval500MS_SRAM;
*ReportSize = sizeof(Device_Report_t);
*
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
* \param[in] ReportID Report ID of the received report from the host
- * \param[in] ReportType The type of report that the host has sent, either REPORT_ITEM_TYPE_Out or REPORT_ITEM_TYPE_Feature
- * \param[in] ReportData Pointer to a buffer where the created report has been stored
+ * \param[in] ReportType The type of report that the host has sent, either HID_REPORT_ITEM_Out or HID_REPORT_ITEM_Feature
+ * \param[in] ReportData Pointer to a buffer where the received report has been stored
* \param[in] ReportSize Size in bytes of the received HID report
*/
void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
const uint16_t ReportSize)
{
Device_Report_t* ReportParams = (Device_Report_t*)ReportData;
-
- DS1307_SetDate(ReportParams->Day, ReportParams->Month, ReportParams->Year);
- DS1307_SetTime(ReportParams->Hour, ReportParams->Minute, ReportParams->Second);
-
+
+ DS1307_SetTimeDate(&ReportParams->TimeDate);
+
/* If the logging interval has changed from its current value, write it to EEPROM */
if (LoggingInterval500MS_SRAM != ReportParams->LogInterval500MS)
{
eeprom_update_byte(&LoggingInterval500MS_EEPROM, LoggingInterval500MS_SRAM);
}
}
+