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Diffstat (limited to 'lib/lufa/Projects/TempDataLogger/TempDataLogger.c')
| -rw-r--r-- | lib/lufa/Projects/TempDataLogger/TempDataLogger.c | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/lib/lufa/Projects/TempDataLogger/TempDataLogger.c b/lib/lufa/Projects/TempDataLogger/TempDataLogger.c deleted file mode 100644 index 1dc267a6f..000000000 --- a/lib/lufa/Projects/TempDataLogger/TempDataLogger.c +++ /dev/null @@ -1,331 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 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 disclaims 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 = INTERFACE_ID_MassStorage, - .DataINEndpoint = - { - .Address = MASS_STORAGE_IN_EPADDR, - .Size = MASS_STORAGE_IO_EPSIZE, - .Banks = 1, - }, - .DataOUTEndpoint = - { - .Address = MASS_STORAGE_OUT_EPADDR, - .Size = MASS_STORAGE_IO_EPSIZE, - .Banks = 1, - }, - .TotalLUNs = 1, - }, - }; - -/** Buffer to hold the previously generated HID report, for comparison purposes inside the HID class driver. */ -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 - * within a device can be differentiated from one another. - */ -USB_ClassInfo_HID_Device_t Generic_HID_Interface = - { - .Config = - { - .InterfaceNumber = INTERFACE_ID_HID, - .ReportINEndpoint = - { - .Address = GENERIC_IN_EPADDR, - .Size = GENERIC_EPSIZE, - .Banks = 1, - }, - .PrevReportINBuffer = PrevHIDReportBuffer, - .PrevReportINBufferSize = sizeof(PrevHIDReportBuffer), - }, - }; - -/** Non-volatile Logging Interval value in EEPROM, stored as a number of 500ms ticks */ -static uint8_t EEMEM LoggingInterval500MS_EEPROM = DEFAULT_LOG_INTERVAL; - -/** SRAM Logging Interval value fetched from EEPROM, stored as a number of 500ms ticks */ -static uint8_t LoggingInterval500MS_SRAM; - -/** Total number of 500ms logging ticks elapsed since the last log value was recorded */ -static uint16_t CurrentLoggingTicks; - -/** FAT Fs structure to hold the internal state of the FAT driver for the Dataflash contents. */ -static FATFS DiskFATState; - -/** FAT Fs structure to hold a FAT file handle for the log data write destination. */ -static FIL TempLogFile; - - -/** ISR to handle the 500ms ticks for sampling and data logging */ -ISR(TIMER1_COMPA_vect, ISR_BLOCK) -{ - /* Signal a 500ms tick has elapsed to the RTC */ - RTC_Tick500ms(); - - /* Check to see if the logging interval has expired */ - if (++CurrentLoggingTicks < LoggingInterval500MS_SRAM) - return; - - /* Reset log tick counter to prepare for next logging interval */ - CurrentLoggingTicks = 0; - - uint8_t LEDMask = LEDs_GetLEDs(); - LEDs_SetAllLEDs(LEDMASK_USB_BUSY); - - /* Only log when not connected to a USB host */ - if (USB_DeviceState == DEVICE_STATE_Unattached) - { - TimeDate_t CurrentTimeDate; - RTC_GetTimeDate(&CurrentTimeDate); - - char LineBuffer[100]; - uint16_t BytesWritten; - - 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); -} - -/** 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); - GlobalInterruptEnable(); - - 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" */ - TimeDate_t CurrentTimeDate; - RTC_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); - 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) -{ -#if (ARCH == ARCH_AVR8) - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); -#endif - - /* Hardware Initialization */ - LEDs_Init(); - ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_128); - Temperature_Init(); - Dataflash_Init(); - USB_Init(); - TWI_Init(TWI_BIT_PRESCALE_4, TWI_BITLENGTH_FROM_FREQ(4, 50000)); - RTC_Init(); - - /* 500ms logging interval timer configuration */ - OCR1A = (((F_CPU / 256) / 2) - 1); - TCCR1B = (1 << WGM12) | (1 << CS12); - TIMSK1 = (1 << OCIE1A); - - /* Check if the Dataflash is working, abort if not */ - if (!(DataflashManager_CheckDataflashOperation())) - { - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - for(;;); - } - - /* 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 file system 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) -{ - bool ConfigSuccess = true; - - ConfigSuccess &= HID_Device_ConfigureEndpoints(&Generic_HID_Interface); - ConfigSuccess &= MS_Device_ConfigureEndpoints(&Disk_MS_Interface); - - LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); -} - -/** 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); -} - -/** 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 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) - * - * \return Boolean \c true to force the sending of the report, \c 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* const ReportSize) -{ - Device_Report_t* ReportParams = (Device_Report_t*)ReportData; - - RTC_GetTimeDate(&ReportParams->TimeDate); - - 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 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 uint8_t ReportID, - const uint8_t ReportType, - const void* ReportData, - const uint16_t ReportSize) -{ - Device_Report_t* ReportParams = (Device_Report_t*)ReportData; - - RTC_SetTimeDate(&ReportParams->TimeDate); - - /* 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); - } -} - |