You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
322 lines
11 KiB
322 lines
11 KiB
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2011.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2011 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;
|
|
|
|
/* Reset log tick counter to prepare for next logging interval */
|
|
CurrentLoggingTicks = 0;
|
|
|
|
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
|
|
|
|
/* Only log when not connected to a USB host */
|
|
if (USB_DeviceState == DEVICE_STATE_Unattached)
|
|
{
|
|
TimeDate_t CurrentTimeDate;
|
|
DS1307_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);
|
|
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" */
|
|
TimeDate_t CurrentTimeDate;
|
|
DS1307_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)
|
|
{
|
|
/* 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_FREE_RUNNING | ADC_PRESCALE_128);
|
|
Temperature_Init();
|
|
Dataflash_Init();
|
|
USB_Init();
|
|
TWI_Init();
|
|
|
|
/* 500ms logging interval timer configuration */
|
|
OCR1A = (((F_CPU / 1024) / 2) - 1);
|
|
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)
|
|
{
|
|
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 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* const ReportSize)
|
|
{
|
|
Device_Report_t* ReportParams = (Device_Report_t*)ReportData;
|
|
|
|
DS1307_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 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_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);
|
|
}
|
|
}
|
|
|