Minor documentation improvements.
[pub/USBasp.git] / Projects / TempDataLogger / TempDataLogger.c
index ecea2fb..b9be8ca 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  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
@@ -18,7 +18,7 @@
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
-  The author disclaim all warranties with regard to this
+  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
@@ -45,15 +45,18 @@ 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,
-
+                               .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,
                        },
        };
@@ -70,11 +73,12 @@ USB_ClassInfo_HID_Device_t Generic_HID_Interface =
                .Config =
                        {
                                .InterfaceNumber              = 1,
-
-                               .ReportINEndpointNumber       = GENERIC_IN_EPNUM,
-                               .ReportINEndpointSize         = GENERIC_EPSIZE,
-                               .ReportINEndpointDoubleBank   = false,
-
+                               .ReportINEndpoint             =
+                                       {
+                                               .Address              = GENERIC_IN_EPADDR,
+                                               .Size                 = GENERIC_EPSIZE,
+                                               .Banks                = 1,
+                                       },
                                .PrevReportINBuffer           = PrevHIDReportBuffer,
                                .PrevReportINBufferSize       = sizeof(PrevHIDReportBuffer),
                        },
@@ -102,7 +106,7 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
        uint8_t LEDMask = LEDs_GetLEDs();
 
        /* Check to see if the logging interval has expired */
-       if (CurrentLoggingTicks++ < LoggingInterval500MS_SRAM)
+       if (++CurrentLoggingTicks < LoggingInterval500MS_SRAM)
          return;
 
        /* Reset log tick counter to prepare for next logging interval */
@@ -149,11 +153,7 @@ int main(void)
        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;
+       GlobalInterruptEnable();
 
        for (;;)
        {
@@ -204,13 +204,20 @@ void SetupHardware(void)
        Temperature_Init();
        Dataflash_Init();
        USB_Init();
-       TWI_Init();
+       TWI_Init(TWI_BIT_PRESCALE_4, TWI_BITLENGTH_FROM_FREQ(4, 50000));
 
        /* 500ms logging interval timer configuration */
        OCR1A   = (((F_CPU / 1024) / 2) - 1);
        TCCR1B  = (1 << WGM12) | (1 << CS12) | (1 << CS10);
        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();
 }
@@ -220,7 +227,7 @@ void EVENT_USB_Device_Connect(void)
 {
        LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 
-       /* Close the log file so that the host has exclusive filesystem access */
+       /* Close the log file so that the host has exclusive file system access */
        CloseLogFile();
 }
 
@@ -269,11 +276,10 @@ bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* const MSI
 /** 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,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
+ *  \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
  */
@@ -298,7 +304,7 @@ bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDIn
  *  \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] 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,
@@ -308,7 +314,7 @@ void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDI
                                           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 */