+++ /dev/null
-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2009 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
-/** 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
-/** Counter to count the number of 10 millisecond tick that has elapsed since the last sample */\r
-uint16_t CurrentLogTick;\r
-\r
-\r
-ISR(TIMER1_COMPA_vect, ISR_BLOCK)\r
-{\r
- if (CurrentLogTick++ != LOG_INTERVAL_10MS)\r
- return;\r
- \r
- CurrentLogTick = 0;\r
-\r
- if (USB_DeviceState == DEVICE_STATE_Unattached)\r
- {\r
- f_printf(&TempLogFile, "%d Degrees\r\n", Temperature_GetTemperature());\r
- f_sync(&TempLogFile);\r
- }\r
-}\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
- SetupHardware();\r
-\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
-\r
- /* Mount and open the log file on the dataflash FAT partition */\r
- f_mount(0, &DiskFATState);\r
- f_open(&TempLogFile, LOG_FILENAME, FA_OPEN_ALWAYS | FA_WRITE);\r
- f_lseek(&TempLogFile, TempLogFile.fsize);\r
-\r
- /* Write out the log seperator line */\r
- f_printf(&TempLogFile, "===========================\r\n");\r
- Temperature_GetTemperature(); // Discard first temperature reading to ensure accuracy\r
-\r
- for (;;)\r
- {\r
- MS_Device_USBTask(&Disk_MS_Interface);\r
- USB_USBTask();\r
- }\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
- Dataflash_Init();\r
- USB_Init();\r
- ADC_Init(ADC_REFERENCE_AVCC | ADC_FREE_RUNNING | ADC_PRESCALE_128);\r
- Temperature_Init();\r
- \r
- /* 10ms interval timer configuration */\r
- OCR1A = (((F_CPU / 1024) / 100) - 1);\r
- TCCR1A = (1 << WGM01); // CTC mode\r
- TCCR1B = (1 << CS12) | (1 << CS10); // Fcpu/1024 speed\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
- f_close(&TempLogFile);\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
- /* When disconnected from the host, re-open log file so we can resume logging */\r
- f_mount(0, &DiskFATState);\r
- f_open(&TempLogFile, LOG_FILENAME, FA_OPEN_ALWAYS | FA_WRITE);\r
- f_lseek(&TempLogFile, TempLogFile.fsize);\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
-\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
-}\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