/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
+ Copyright (C) Dean Camera, 2012.
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 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
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);
}
-/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific
- * control requests that are not handled internally by the USB library (including the Mass Storage class-specific
- * requests) so that they can be handled appropriately for the application.
+/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
+ * the device from the USB host before passing along unhandled control requests to the library for processing
+ * internally.
*/
-void EVENT_USB_Device_UnhandledControlRequest(void)
+void EVENT_USB_Device_ControlRequest(void)
{
/* Process UFI specific control requests */
switch (USB_ControlRequest.bRequest)
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();
*/
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 / USBasp.git / blobdiff