/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
+ Copyright (C) Dean Camera, 2021.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2021 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
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
SetupHardware();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- sei();
+ GlobalInterruptEnable();
for (;;)
{
/** Configures the board hardware and chip peripherals for the demo's functionality. */
void SetupHardware(void)
{
+#if (ARCH == ARCH_AVR8)
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
+#elif (ARCH == ARCH_XMEGA)
+ /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */
+ XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU);
+ XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL);
+
+ /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */
+ XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ);
+ XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB);
+
+ PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
+#endif
/* Hardware Initialization */
LEDs_Init();
- SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING | SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
Dataflash_Init();
USB_Init();
+ /* 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();
}
bool ConfigSuccess = true;
/* Setup Mass Storage Data Endpoints */
- ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_IN_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_IN,
- MASS_STORAGE_IO_EPSIZE, ENDPOINT_BANK_SINGLE);
- ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_OUT_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_OUT,
- MASS_STORAGE_IO_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_IN_EPADDR, EP_TYPE_BULK, MASS_STORAGE_IO_EPSIZE, 1);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_OUT_EPADDR, EP_TYPE_BULK, MASS_STORAGE_IO_EPSIZE, 1);
/* Indicate endpoint configuration success or failure */
LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
Endpoint_ClearSETUP();
/* Indicate to the host the number of supported LUNs (virtual disks) on the device */
- Endpoint_Write_Byte(TOTAL_LUNS - 1);
+ Endpoint_Write_8(TOTAL_LUNS - 1);
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
/* Check direction of command, select Data IN endpoint if data is from the device */
if (CommandBlock.Flags & MS_COMMAND_DIR_DATA_IN)
- Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPNUM);
+ Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
/* Decode the received SCSI command, set returned status code */
CommandStatus.Status = SCSI_DecodeSCSICommand() ? MS_SCSI_COMMAND_Pass : MS_SCSI_COMMAND_Fail;
if (IsMassStoreReset)
{
/* Reset the data endpoint banks */
- Endpoint_ResetFIFO(MASS_STORAGE_OUT_EPNUM);
- Endpoint_ResetFIFO(MASS_STORAGE_IN_EPNUM);
+ Endpoint_ResetEndpoint(MASS_STORAGE_OUT_EPADDR);
+ Endpoint_ResetEndpoint(MASS_STORAGE_IN_EPADDR);
- Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPNUM);
+ Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPADDR);
Endpoint_ClearStall();
Endpoint_ResetDataToggle();
- Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPNUM);
+ Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
Endpoint_ClearStall();
Endpoint_ResetDataToggle();
/** Function to read in a command block from the host, via the bulk data OUT endpoint. This function reads in the next command block
* if one has been issued, and performs validation to ensure that the block command is valid.
*
- * \return Boolean true if a valid command block has been read in from the endpoint, false otherwise
+ * \return Boolean \c true if a valid command block has been read in from the endpoint, \c false otherwise
*/
static bool ReadInCommandBlock(void)
{
+ uint16_t BytesTransferred;
+
/* Select the Data Out endpoint */
- Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPNUM);
+ Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPADDR);
/* Abort if no command has been sent from the host */
if (!(Endpoint_IsOUTReceived()))
return false;
/* Read in command block header */
- Endpoint_Read_Stream_LE(&CommandBlock, (sizeof(CommandBlock) - sizeof(CommandBlock.SCSICommandData)),
- StreamCallback_AbortOnMassStoreReset);
-
- /* Check if the current command is being aborted by the host */
- if (IsMassStoreReset)
- return false;
+ BytesTransferred = 0;
+ while (Endpoint_Read_Stream_LE(&CommandBlock, (sizeof(CommandBlock) - sizeof(CommandBlock.SCSICommandData)),
+ &BytesTransferred) == ENDPOINT_RWSTREAM_IncompleteTransfer)
+ {
+ /* Check if the current command is being aborted by the host */
+ if (IsMassStoreReset)
+ return false;
+ }
/* Verify the command block - abort if invalid */
if ((CommandBlock.Signature != MS_CBW_SIGNATURE) ||
{
/* Stall both data pipes until reset by host */
Endpoint_StallTransaction();
- Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPNUM);
+ Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
Endpoint_StallTransaction();
return false;
}
/* Read in command block command data */
- Endpoint_Read_Stream_LE(&CommandBlock.SCSICommandData,
- CommandBlock.SCSICommandLength,
- StreamCallback_AbortOnMassStoreReset);
-
- /* Check if the current command is being aborted by the host */
- if (IsMassStoreReset)
- return false;
+ BytesTransferred = 0;
+ while (Endpoint_Read_Stream_LE(&CommandBlock.SCSICommandData, CommandBlock.SCSICommandLength,
+ &BytesTransferred) == ENDPOINT_RWSTREAM_IncompleteTransfer)
+ {
+ /* Check if the current command is being aborted by the host */
+ if (IsMassStoreReset)
+ return false;
+ }
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearOUT();
*/
static void ReturnCommandStatus(void)
{
+ uint16_t BytesTransferred;
+
/* Select the Data Out endpoint */
- Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPNUM);
+ Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPADDR);
/* While data pipe is stalled, wait until the host issues a control request to clear the stall */
while (Endpoint_IsStalled())
}
/* Select the Data In endpoint */
- Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPNUM);
+ Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
/* While data pipe is stalled, wait until the host issues a control request to clear the stall */
while (Endpoint_IsStalled())
}
/* Write the CSW to the endpoint */
- Endpoint_Write_Stream_LE(&CommandStatus, sizeof(CommandStatus),
- StreamCallback_AbortOnMassStoreReset);
-
- /* Check if the current command is being aborted by the host */
- if (IsMassStoreReset)
- return;
+ BytesTransferred = 0;
+ while (Endpoint_Write_Stream_LE(&CommandStatus, sizeof(CommandStatus),
+ &BytesTransferred) == ENDPOINT_RWSTREAM_IncompleteTransfer)
+ {
+ /* Check if the current command is being aborted by the host */
+ if (IsMassStoreReset)
+ return;
+ }
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
}
-/** Stream callback function for the Endpoint stream read and write functions. This callback will abort the current stream transfer
- * if a Mass Storage Reset request has been issued to the control endpoint.
- */
-uint8_t StreamCallback_AbortOnMassStoreReset(void)
-{
- /* Abort if a Mass Storage reset command was received */
- if (IsMassStoreReset)
- return STREAMCALLBACK_Abort;
-
- /* Continue with the current stream operation */
- return STREAMCALLBACK_Continue;
-}
-
projects / pub / lufa.git / blobdiff