--- /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
projects / pub / lufa.git / blobdiff