+++ /dev/null
-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting \r
- documentation, and that the name of the author not be used in \r
- advertising or publicity pertaining to distribution of the \r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * Main source file for the TemperatureDataLogger project. This file contains the main tasks of\r
- * the project and is responsible for the initial application hardware configuration.\r
- */\r
-\r
-#include "TempDataLogger.h"\r
-\r
-/** LUFA Mass Storage Class driver interface configuration and state information. This structure is\r
- * passed to all Mass Storage Class driver functions, so that multiple instances of the same class\r
- * within a device can be differentiated from one another.\r
- */\r
-USB_ClassInfo_MS_Device_t Disk_MS_Interface =\r
- {\r
- .Config =\r
- {\r
- .InterfaceNumber = 0,\r
-\r
- .DataINEndpointNumber = MASS_STORAGE_IN_EPNUM,\r
- .DataINEndpointSize = MASS_STORAGE_IO_EPSIZE,\r
- .DataINEndpointDoubleBank = false,\r
-\r
- .DataOUTEndpointNumber = MASS_STORAGE_OUT_EPNUM,\r
- .DataOUTEndpointSize = MASS_STORAGE_IO_EPSIZE,\r
- .DataOUTEndpointDoubleBank = false,\r
-\r
- .TotalLUNs = 1,\r
- },\r
- };\r
-\r
-/** Buffer to hold the previously generated HID report, for comparison purposes inside the HID class driver. */\r
-uint8_t PrevHIDReportBuffer[GENERIC_REPORT_SIZE];\r
-\r
-/** LUFA HID Class driver interface configuration and state information. This structure is\r
- * passed to all HID Class driver functions, so that multiple instances of the same class\r
- * within a device can be differentiated from one another.\r
- */\r
-USB_ClassInfo_HID_Device_t Generic_HID_Interface =\r
- {\r
- .Config =\r
- {\r
- .InterfaceNumber = 1,\r
-\r
- .ReportINEndpointNumber = GENERIC_IN_EPNUM,\r
- .ReportINEndpointSize = GENERIC_EPSIZE,\r
- .ReportINEndpointDoubleBank = false,\r
- \r
- .PrevReportINBuffer = PrevHIDReportBuffer,\r
- .PrevReportINBufferSize = sizeof(PrevHIDReportBuffer),\r
- },\r
- };\r
-\r
-/** Non-volatile Logging Interval value in EEPROM, stored as a number of 500ms ticks */\r
-uint8_t EEMEM LoggingInterval500MS_EEPROM;\r
-\r
-/** SRAM Logging Interval value fetched from EEPROM, stored as a number of 500ms ticks */\r
-uint8_t LoggingInterval500MS_SRAM;\r
-\r
-/** Total number of 500ms logging ticks elapsed since the last log value was recorded */\r
-uint16_t CurrentLoggingTicks;\r
-\r
-/** FAT Fs structure to hold the internal state of the FAT driver for the dataflash contents. */\r
-FATFS DiskFATState;\r
-\r
-/** FAT Fs structure to hold a FAT file handle for the log data write destination. */\r
-FIL TempLogFile;\r
-\r
-\r
-/** ISR to handle the 500ms ticks for sampling and data logging */\r
-ISR(TIMER1_COMPA_vect, ISR_BLOCK)\r
-{\r
- uint8_t LEDMask = LEDs_GetLEDs();\r
-\r
- /* Check to see if the logging interval has expired */\r
- if (CurrentLoggingTicks++ < LoggingInterval500MS_SRAM)\r
- return;\r
- \r
- LEDs_SetAllLEDs(LEDMASK_USB_BUSY);\r
-\r
- /* Reset log tick counter to prepare for next logging interval */\r
- CurrentLoggingTicks = 0;\r
- \r
- if (USB_DeviceState == DEVICE_STATE_Unattached)\r
- {\r
- uint8_t Day, Month, Year;\r
- uint8_t Hour, Minute, Second;\r
-\r
- DS1307_GetDate(&Day, &Month, &Year);\r
- DS1307_GetTime(&Hour, &Minute, &Second);\r
-\r
- char LineBuffer[100];\r
- uint16_t BytesWritten;\r
-\r
- BytesWritten = sprintf(LineBuffer, "%02d/%02d/20%04d, %02d:%02d:%02d, %d Degrees\r\n",\r
- Day, Month, Year, Hour, Minute, Second, Temperature_GetTemperature());\r
-\r
- f_write(&TempLogFile, LineBuffer, BytesWritten, &BytesWritten);\r
- f_sync(&TempLogFile);\r
- }\r
- \r
- LEDs_SetAllLEDs(LEDMask);\r
-}\r
-\r
-/** Main program entry point. This routine contains the overall program flow, including initial\r
- * setup of all components and the main program loop.\r
- */\r
-int main(void)\r
-{\r
- /* Fetch logging interval from EEPROM */\r
- LoggingInterval500MS_SRAM = eeprom_read_byte(&LoggingInterval500MS_EEPROM);\r
-\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
-\r
- SetupHardware();\r
-\r
- /* Mount and open the log file on the dataflash FAT partition */\r
- OpenLogFile();\r
-\r
- /* Discard the first sample from the temperature sensor, as it is generally incorrect */\r
- uint8_t Dummy = Temperature_GetTemperature();\r
- (void)Dummy;\r
- \r
- for (;;)\r
- {\r
- MS_Device_USBTask(&Disk_MS_Interface);\r
- HID_Device_USBTask(&Generic_HID_Interface);\r
- USB_USBTask();\r
- }\r
-}\r
-\r
-/** Opens the log file on the Dataflash's FAT formatted partition according to the current date */\r
-void OpenLogFile(void)\r
-{\r
- char LogFileName[12];\r
-\r
- /* Get the current date for the filename as "DDMMYY.csv" */\r
- uint8_t Day, Month, Year;\r
- DS1307_GetDate(&Day, &Month, &Year);\r
- sprintf(LogFileName, "%02d%02d%02d.csv", Day, Month, Year);\r
-\r
- /* Mount the storage device, open the file */\r
- f_mount(0, &DiskFATState);\r
- f_open(&TempLogFile, LogFileName, FA_OPEN_ALWAYS | FA_WRITE);\r
- f_lseek(&TempLogFile, TempLogFile.fsize);\r
-}\r
-\r
-/** Closes the open data log file on the Dataflash's FAT formatted partition */\r
-void CloseLogFile(void)\r
-{\r
- /* Sync any data waiting to be written, unmount the storage device */\r
- f_sync(&TempLogFile);\r
- f_close(&TempLogFile);\r
-}\r
-\r
-/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
-void SetupHardware(void)\r
-{\r
- /* Disable watchdog if enabled by bootloader/fuses */\r
- MCUSR &= ~(1 << WDRF);\r
- wdt_disable();\r
-\r
- /* Disable clock division */\r
- clock_prescale_set(clock_div_1);\r
-\r
- /* Hardware Initialization */\r
- LEDs_Init();\r
- SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);\r
- ADC_Init(ADC_REFERENCE_AVCC | ADC_FREE_RUNNING | ADC_PRESCALE_128);\r
- Temperature_Init();\r
- Dataflash_Init();\r
- USB_Init();\r
- \r
- /* 500ms logging interval timer configuration */\r
- OCR1A = ((F_CPU / 1024) / 2);\r
- TCCR1B = (1 << WGM12) | (1 << CS12) | (1 << CS10);\r
- TIMSK1 = (1 << OCIE1A);\r
-\r
- /* Clear Dataflash sector protections, if enabled */\r
- DataflashManager_ResetDataflashProtections();\r
-}\r
-\r
-/** Event handler for the library USB Connection event. */\r
-void EVENT_USB_Device_Connect(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
-\r
- /* Close the log file so that the host has exclusive filesystem access */\r
- CloseLogFile();\r
-}\r
-\r
-/** Event handler for the library USB Disconnection event. */\r
-void EVENT_USB_Device_Disconnect(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
- \r
- /* Mount and open the log file on the dataflash FAT partition */\r
- OpenLogFile();\r
-}\r
-\r
-/** Event handler for the library USB Configuration Changed event. */\r
-void EVENT_USB_Device_ConfigurationChanged(void)\r
-{\r
- LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
-\r
- if (!(MS_Device_ConfigureEndpoints(&Disk_MS_Interface)))\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- \r
- if (!(HID_Device_ConfigureEndpoints(&Generic_HID_Interface)))\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR); \r
-}\r
-\r
-/** Event handler for the library USB Unhandled Control Request event. */\r
-void EVENT_USB_Device_UnhandledControlRequest(void)\r
-{\r
- MS_Device_ProcessControlRequest(&Disk_MS_Interface);\r
- HID_Device_ProcessControlRequest(&Generic_HID_Interface);\r
-}\r
-\r
-/** Mass Storage class driver callback function the reception of SCSI commands from the host, which must be processed.\r
- *\r
- * \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface configuration structure being referenced\r
- */\r
-bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)\r
-{\r
- bool CommandSuccess;\r
- \r
- LEDs_SetAllLEDs(LEDMASK_USB_BUSY);\r
- CommandSuccess = SCSI_DecodeSCSICommand(MSInterfaceInfo);\r
- LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
- \r
- return CommandSuccess;\r
-}\r
-\r
-/** HID class driver callback function for the creation of HID reports to the host.\r
- *\r
- * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced\r
- * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID\r
- * \param[in] ReportType Type of the report to create, either REPORT_ITEM_TYPE_In or REPORT_ITEM_TYPE_Feature\r
- * \param[out] ReportData Pointer to a buffer where the created report should be stored\r
- * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent\r
- *\r
- * \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent\r
- */\r
-bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,\r
- const uint8_t ReportType, void* ReportData, uint16_t* ReportSize)\r
-{\r
- Device_Report_t* ReportParams = (Device_Report_t*)ReportData;\r
-\r
- DS1307_GetDate(&ReportParams->Day, &ReportParams->Month, &ReportParams->Year);\r
- DS1307_GetTime(&ReportParams->Hour, &ReportParams->Minute, &ReportParams->Second);\r
- \r
- ReportParams->LogInterval500MS = LoggingInterval500MS_SRAM;\r
-\r
- *ReportSize = sizeof(Device_Report_t);\r
- return true;\r
-}\r
-\r
-/** HID class driver callback function for the processing of HID reports from the host.\r
- *\r
- * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced\r
- * \param[in] ReportID Report ID of the received report from the host\r
- * \param[in] ReportData Pointer to a buffer where the created report has been stored\r
- * \param[in] ReportSize Size in bytes of the received HID report\r
- */\r
-void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID,\r
- const void* ReportData, const uint16_t ReportSize)\r
-{\r
- Device_Report_t* ReportParams = (Device_Report_t*)ReportData;\r
- \r
- GPIOR0 = ReportParams->Day;\r
- GPIOR1 = ReportParams->Month;\r
- GPIOR2 = ReportParams->Year;\r
- \r
- DS1307_SetDate(ReportParams->Day, ReportParams->Month, ReportParams->Year);\r
- DS1307_SetTime(ReportParams->Hour, ReportParams->Minute, ReportParams->Second);\r
- \r
- /* If the logging interval has changed from its current value, write it to EEPROM */\r
- if (LoggingInterval500MS_SRAM != ReportParams->LogInterval500MS)\r
- {\r
- LoggingInterval500MS_SRAM = ReportParams->LogInterval500MS;\r
- eeprom_write_byte(&LoggingInterval500MS_EEPROM, LoggingInterval500MS_SRAM);\r
- }\r
-}\r
projects / pub / lufa.git / blobdiff