diff options
Diffstat (limited to 'Projects/TemperatureDataLogger/TempDataLogger.c')
| -rw-r--r-- | Projects/TemperatureDataLogger/TempDataLogger.c | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/Projects/TemperatureDataLogger/TempDataLogger.c b/Projects/TemperatureDataLogger/TempDataLogger.c deleted file mode 100644 index 549331374..000000000 --- a/Projects/TemperatureDataLogger/TempDataLogger.c +++ /dev/null @@ -1,318 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2010. - - 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 - * - * Main source file for the TemperatureDataLogger project. This file contains the main tasks of - * the project and is responsible for the initial application hardware configuration. - */ - -#include "TempDataLogger.h" - -/** LUFA Mass Storage Class driver interface configuration and state information. This structure is - * passed to all Mass Storage Class driver functions, so that multiple instances of the same class - * within a device can be differentiated from one another. - */ -USB_ClassInfo_MS_Device_t Disk_MS_Interface = - { - .Config = - { - .InterfaceNumber = 0, - - .DataINEndpointNumber = MASS_STORAGE_IN_EPNUM, - .DataINEndpointSize = MASS_STORAGE_IO_EPSIZE, - .DataINEndpointDoubleBank = false, - - .DataOUTEndpointNumber = MASS_STORAGE_OUT_EPNUM, - .DataOUTEndpointSize = MASS_STORAGE_IO_EPSIZE, - .DataOUTEndpointDoubleBank = false, - - .TotalLUNs = 1, - }, - }; - -/** 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 = DEFAULT_LOG_INTERVAL; - -/** 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; - - -/** ISR to handle the 500ms ticks for sampling and data logging */ -ISR(TIMER1_COMPA_vect, ISR_BLOCK) -{ - uint8_t LEDMask = LEDs_GetLEDs(); - - /* Check to see if the logging interval has expired */ - if (CurrentLoggingTicks++ < LoggingInterval500MS_SRAM) - return; - - LEDs_SetAllLEDs(LEDMASK_USB_BUSY); - - /* Reset log tick counter to prepare for next logging interval */ - CurrentLoggingTicks = 0; - - /* 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); - - 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); - } - - LEDs_SetAllLEDs(LEDMask); -} - -/** Main program entry point. This routine contains the overall program flow, including initial - * setup of all components and the main program loop. - */ -int main(void) -{ - SetupHardware(); - - /* 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; - - /* Mount and open the log file on the dataflash FAT partition */ - OpenLogFile(); - - 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); - HID_Device_USBTask(&Generic_HID_Interface); - USB_USBTask(); - } -} - -/** Opens the log file on the Dataflash's FAT formatted partition according to the current date */ -void OpenLogFile(void) -{ - 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); - - /* Mount the storage device, open the file */ - f_mount(0, &DiskFATState); - f_open(&TempLogFile, LogFileName, FA_OPEN_ALWAYS | FA_WRITE); - f_lseek(&TempLogFile, TempLogFile.fsize); -} - -/** Closes the open data log file on the Dataflash's FAT formatted partition */ -void CloseLogFile(void) -{ - /* Sync any data waiting to be written, unmount the storage device */ - f_sync(&TempLogFile); - f_close(&TempLogFile); -} - -/** Configures the board hardware and chip peripherals for the demo's functionality. */ -void SetupHardware(void) -{ - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); - - /* 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); - Temperature_Init(); - Dataflash_Init(); - USB_Init(); - TWI_Init(); - - /* 500ms logging interval timer configuration */ - OCR1A = ((F_CPU / 1024) / 2); - TCCR1B = (1 << WGM12) | (1 << CS12) | (1 << CS10); - TIMSK1 = (1 << OCIE1A); - - /* Clear Dataflash sector protections, if enabled */ - DataflashManager_ResetDataflashProtections(); -} - -/** Event handler for the library USB Connection event. */ -void EVENT_USB_Device_Connect(void) -{ - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); - - /* Close the log file so that the host has exclusive filesystem access */ - CloseLogFile(); -} - -/** Event handler for the library USB Disconnection event. */ -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); - - if (!(MS_Device_ConfigureEndpoints(&Disk_MS_Interface))) - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - - if (!(HID_Device_ConfigureEndpoints(&Generic_HID_Interface))) - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); -} - -/** Event handler for the library USB Unhandled Control Request event. */ -void EVENT_USB_Device_UnhandledControlRequest(void) -{ - MS_Device_ProcessControlRequest(&Disk_MS_Interface); - HID_Device_ProcessControlRequest(&Generic_HID_Interface); -} - -/** Mass Storage class driver callback function the reception of SCSI commands from the host, which must be processed. - * - * \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface configuration structure being referenced - */ -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[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 - * - * \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent - */ -bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID, - const uint8_t ReportType, void* ReportData, uint16_t* ReportSize) -{ - Device_Report_t* ReportParams = (Device_Report_t*)ReportData; - - DS1307_GetDate(&ReportParams->Day, &ReportParams->Month, &ReportParams->Year); - DS1307_GetTime(&ReportParams->Hour, &ReportParams->Minute, &ReportParams->Second); - - ReportParams->LogInterval500MS = LoggingInterval500MS_SRAM; - - *ReportSize = sizeof(Device_Report_t); - return true; -} - -/** HID class driver callback function for the processing of HID reports from the host. - * - * \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] ReportSize Size in bytes of the received HID report - */ -void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID, - const uint8_t ReportType, const void* ReportData, 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); - - /* If the logging interval has changed from its current value, write it to EEPROM */ - if (LoggingInterval500MS_SRAM != ReportParams->LogInterval500MS) - { - LoggingInterval500MS_SRAM = ReportParams->LogInterval500MS; - eeprom_update_byte(&LoggingInterval500MS_EEPROM, LoggingInterval500MS_SRAM); - } -} |