for (;;)
{
- MassStorage_Task();
+ MassStorageHost_Task();
+
USB_USBTask();
}
}
*/
void EVENT_USB_Host_DeviceEnumerationComplete(void)
{
+ puts_P(PSTR("Getting Config Data.\r\n"));
+
+ uint8_t ErrorCode;
+
+ /* Get and process the configuration descriptor data */
+ if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
+ {
+ if (ErrorCode == ControlError)
+ puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
+ else
+ puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
+
+ printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
+ if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
+ {
+ printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
+ " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ puts_P(PSTR("Mass Storage Disk Enumerated.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
/** Task to set the configuration of the attached device after it has been enumerated, and to read in blocks from
* the device and print them to the serial port.
*/
-void MassStorage_Task(void)
+void MassStorageHost_Task(void)
{
+ if (USB_HostState != HOST_STATE_Configured)
+ return;
+
+ /* Indicate device busy via the status LEDs */
+ LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
+
uint8_t ErrorCode;
- switch (USB_HostState)
+ /* Send the request, display error and wait for device detach if request fails */
+ if ((ErrorCode = MassStore_GetMaxLUN(&MassStore_MaxLUNIndex)) != HOST_SENDCONTROL_Successful)
+ {
+ ShowDiskReadError(PSTR("Get Max LUN"), ErrorCode);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Print number of LUNs detected in the attached device */
+ printf_P(PSTR("Total LUNs: %d - Using first LUN in device.\r\n"), (MassStore_MaxLUNIndex + 1));
+
+ /* Reset the Mass Storage device interface, ready for use */
+ if ((ErrorCode = MassStore_MassStorageReset()) != HOST_SENDCONTROL_Successful)
+ {
+ ShowDiskReadError(PSTR("Mass Storage Reset"), ErrorCode);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Get sense data from the device - many devices will not accept any other commands until the sense data
+ * is read - both on start-up and after a failed command */
+ SCSI_Request_Sense_Response_t SenseData;
+ if ((ErrorCode = MassStore_RequestSense(0, &SenseData)) != 0)
+ {
+ ShowDiskReadError(PSTR("Request Sense"), ErrorCode);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Set the prevent removal flag for the device, allowing it to be accessed */
+ if ((ErrorCode = MassStore_PreventAllowMediumRemoval(0, true)) != 0)
+ {
+ ShowDiskReadError(PSTR("Prevent/Allow Medium Removal"), ErrorCode);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Get inquiry data from the device */
+ SCSI_Inquiry_Response_t InquiryData;
+ if ((ErrorCode = MassStore_Inquiry(0, &InquiryData)) != 0)
{
- case HOST_STATE_Addressed:
- puts_P(PSTR("Getting Config Data.\r\n"));
-
- /* Get and process the configuration descriptor data */
- if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
- {
- if (ErrorCode == ControlError)
- puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
- else
- puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
- printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
- /* Indicate error via status LEDs */
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
- /* Wait until USB device disconnected */
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
- if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
- {
- printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
- " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
- /* Indicate error via status LEDs */
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
- /* Wait until USB device disconnected */
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- puts_P(PSTR("Mass Storage Disk Enumerated.\r\n"));
-
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
- /* Indicate device busy via the status LEDs */
- LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
-
- /* Send the request, display error and wait for device detach if request fails */
- if ((ErrorCode = MassStore_GetMaxLUN(&MassStore_MaxLUNIndex)) != HOST_SENDCONTROL_Successful)
- {
- ShowDiskReadError(PSTR("Get Max LUN"), ErrorCode);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Print number of LUNs detected in the attached device */
- printf_P(PSTR("Total LUNs: %d - Using first LUN in device.\r\n"), (MassStore_MaxLUNIndex + 1));
-
- /* Reset the Mass Storage device interface, ready for use */
- if ((ErrorCode = MassStore_MassStorageReset()) != HOST_SENDCONTROL_Successful)
- {
- ShowDiskReadError(PSTR("Mass Storage Reset"), ErrorCode);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Get sense data from the device - many devices will not accept any other commands until the sense data
- * is read - both on start-up and after a failed command */
- SCSI_Request_Sense_Response_t SenseData;
- if ((ErrorCode = MassStore_RequestSense(0, &SenseData)) != 0)
- {
- ShowDiskReadError(PSTR("Request Sense"), ErrorCode);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Set the prevent removal flag for the device, allowing it to be accessed */
- if ((ErrorCode = MassStore_PreventAllowMediumRemoval(0, true)) != 0)
- {
- ShowDiskReadError(PSTR("Prevent/Allow Medium Removal"), ErrorCode);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Get inquiry data from the device */
- SCSI_Inquiry_Response_t InquiryData;
- if ((ErrorCode = MassStore_Inquiry(0, &InquiryData)) != 0)
- {
- ShowDiskReadError(PSTR("Inquiry"), ErrorCode);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Print vendor and product names of attached device */
- printf_P(PSTR("Vendor \"%.8s\", Product \"%.16s\"\r\n"), InquiryData.VendorID, InquiryData.ProductID);
-
- /* Wait until disk ready */
- puts_P(PSTR("Waiting until ready.."));
-
- for (;;)
- {
- Serial_SendByte('.');
-
- /* Abort if device removed */
- if (USB_HostState == HOST_STATE_Unattached)
- break;
-
- /* Check to see if the attached device is ready for new commands */
- ErrorCode = MassStore_TestUnitReady(0);
-
- /* If attached device is ready, abort the loop */
- if (!(ErrorCode))
- break;
-
- /* If an error other than a logical command failure (indicating device busy) returned, abort */
- if (ErrorCode != MASS_STORE_SCSI_COMMAND_FAILED)
- {
- ShowDiskReadError(PSTR("Test Unit Ready"), ErrorCode);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
- }
-
- puts_P(PSTR("\r\nRetrieving Capacity... "));
-
- /* Create new structure for the disk's capacity in blocks and block size */
- SCSI_Capacity_t DiskCapacity;
-
- /* Retrieve disk capacity */
- if ((ErrorCode = MassStore_ReadCapacity(0, &DiskCapacity)) != 0)
- {
- ShowDiskReadError(PSTR("Read Capacity"), ErrorCode);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Display the disk capacity in blocks * block size bytes */
- printf_P(PSTR("%lu blocks of %lu bytes.\r\n"), DiskCapacity.Blocks, DiskCapacity.BlockSize);
-
- /* Create a new buffer capable of holding a single block from the device */
- uint8_t BlockBuffer[DiskCapacity.BlockSize];
-
- /* Read in the first 512 byte block from the device */
- if ((ErrorCode = MassStore_ReadDeviceBlock(0, 0x00000000, 1, DiskCapacity.BlockSize, BlockBuffer)) != 0)
- {
- ShowDiskReadError(PSTR("Read Device Block"), ErrorCode);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- puts_P(PSTR("\r\nContents of first block:\r\n"));
-
- /* Print out the first block in both HEX and ASCII, 16 bytes per line */
- for (uint16_t Chunk = 0; Chunk < (DiskCapacity.BlockSize >> 4); Chunk++)
- {
- /* Pointer to the start of the current 16-byte chunk in the read block of data */
- uint8_t* ChunkPtr = &BlockBuffer[Chunk << 4];
-
- /* Print out the 16 bytes of the chunk in HEX format */
- for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++)
- {
- char CurrByte = *(ChunkPtr + ByteOffset);
-
- printf_P(PSTR("%.2X "), CurrByte);
- }
-
- puts_P(PSTR(" "));
-
- /* Print out the 16 bytes of the chunk in ASCII format */
- for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++)
- {
- char CurrByte = *(ChunkPtr + ByteOffset);
-
- putchar(isprint(CurrByte) ? CurrByte : '.');
- }
+ ShowDiskReadError(PSTR("Inquiry"), ErrorCode);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Print vendor and product names of attached device */
+ printf_P(PSTR("Vendor \"%.8s\", Product \"%.16s\"\r\n"), InquiryData.VendorID, InquiryData.ProductID);
+
+ /* Wait until disk ready */
+ puts_P(PSTR("Waiting until ready.."));
+
+ for (;;)
+ {
+ Serial_SendByte('.');
+
+ /* Abort if device removed */
+ if (USB_HostState == HOST_STATE_Unattached)
+ break;
+
+ /* Check to see if the attached device is ready for new commands */
+ ErrorCode = MassStore_TestUnitReady(0);
+
+ /* If attached device is ready, abort the loop */
+ if (!(ErrorCode))
+ break;
+
+ /* If an error other than a logical command failure (indicating device busy) returned, abort */
+ if (ErrorCode != MASS_STORE_SCSI_COMMAND_FAILED)
+ {
+ ShowDiskReadError(PSTR("Test Unit Ready"), ErrorCode);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+ }
+
+ puts_P(PSTR("\r\nRetrieving Capacity... "));
+
+ /* Create new structure for the disk's capacity in blocks and block size */
+ SCSI_Capacity_t DiskCapacity;
+
+ /* Retrieve disk capacity */
+ if ((ErrorCode = MassStore_ReadCapacity(0, &DiskCapacity)) != 0)
+ {
+ ShowDiskReadError(PSTR("Read Capacity"), ErrorCode);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Display the disk capacity in blocks * block size bytes */
+ printf_P(PSTR("%lu blocks of %lu bytes.\r\n"), DiskCapacity.Blocks, DiskCapacity.BlockSize);
+
+ /* Create a new buffer capable of holding a single block from the device */
+ uint8_t BlockBuffer[DiskCapacity.BlockSize];
- puts_P(PSTR("\r\n"));
- }
+ /* Read in the first 512 byte block from the device */
+ if ((ErrorCode = MassStore_ReadDeviceBlock(0, 0x00000000, 1, DiskCapacity.BlockSize, BlockBuffer)) != 0)
+ {
+ ShowDiskReadError(PSTR("Read Device Block"), ErrorCode);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ puts_P(PSTR("\r\nContents of first block:\r\n"));
+
+ /* Print out the first block in both HEX and ASCII, 16 bytes per line */
+ for (uint16_t Chunk = 0; Chunk < (DiskCapacity.BlockSize >> 4); Chunk++)
+ {
+ /* Pointer to the start of the current 16-byte chunk in the read block of data */
+ uint8_t* ChunkPtr = &BlockBuffer[Chunk << 4];
+
+ /* Print out the 16 bytes of the chunk in HEX format */
+ for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++)
+ {
+ char CurrByte = *(ChunkPtr + ByteOffset);
+
+ printf_P(PSTR("%.2X "), CurrByte);
+ }
- puts_P(PSTR("\r\n\r\nPress board button to read entire ASCII contents of disk...\r\n\r\n"));
-
- /* Wait for the board button to be pressed */
- while (!(Buttons_GetStatus() & BUTTONS_BUTTON1))
- {
- /* Abort if device removed */
- if (USB_HostState == HOST_STATE_Unattached)
- break;
- }
+ puts_P(PSTR(" "));
- /* Abort if device removed */
- if (USB_HostState == HOST_STATE_Unattached)
- break;
+ /* Print out the 16 bytes of the chunk in ASCII format */
+ for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++)
+ {
+ char CurrByte = *(ChunkPtr + ByteOffset);
- /* Print out the entire disk contents in ASCII format */
- for (uint32_t CurrBlockAddress = 0; CurrBlockAddress < DiskCapacity.Blocks; CurrBlockAddress++)
- {
- /* Read in the next block of data from the device */
- if ((ErrorCode = MassStore_ReadDeviceBlock(0, CurrBlockAddress, 1, DiskCapacity.BlockSize, BlockBuffer)) != 0)
- {
- ShowDiskReadError(PSTR("Read Device Block"), ErrorCode);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Send the ASCII data in the read in block to the serial port */
- for (uint16_t Byte = 0; Byte < DiskCapacity.BlockSize; Byte++)
- {
- char CurrByte = BlockBuffer[Byte];
+ putchar(isprint(CurrByte) ? CurrByte : '.');
+ }
- putchar(isprint(CurrByte) ? CurrByte : '.');
- }
-
- /* Abort if device removed */
- if (USB_HostState == HOST_STATE_Unattached)
- break;
- }
+ puts_P(PSTR("\r\n"));
+ }
- /* Indicate device no longer busy */
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ puts_P(PSTR("\r\n\r\nPress board button to read entire ASCII contents of disk...\r\n\r\n"));
- /* Wait until USB device disconnected */
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
+ /* Wait for the board button to be pressed */
+ while (!(Buttons_GetStatus() & BUTTONS_BUTTON1))
+ {
+ /* Abort if device removed */
+ if (USB_HostState == HOST_STATE_Unattached)
+ return;
}
+
+ /* Print out the entire disk contents in ASCII format */
+ for (uint32_t CurrBlockAddress = 0; CurrBlockAddress < DiskCapacity.Blocks; CurrBlockAddress++)
+ {
+ /* Read in the next block of data from the device */
+ if ((ErrorCode = MassStore_ReadDeviceBlock(0, CurrBlockAddress, 1, DiskCapacity.BlockSize, BlockBuffer)) != 0)
+ {
+ ShowDiskReadError(PSTR("Read Device Block"), ErrorCode);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Send the ASCII data in the read in block to the serial port */
+ for (uint16_t Byte = 0; Byte < DiskCapacity.BlockSize; Byte++)
+ {
+ char CurrByte = BlockBuffer[Byte];
+
+ putchar(isprint(CurrByte) ? CurrByte : '.');
+ }
+ }
+
+ /* Indicate device no longer busy */
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ USB_Host_SetDeviceConfiguration(0);
}
/** Indicates that a communication error has occurred with the attached Mass Storage Device,
projects / pub / USBasp.git / blobdiff