* Main source file for the MassStorageHost demo. This file contains the main tasks of\r
* the demo and is responsible for the initial application hardware configuration.\r
*/\r
-\r
+ \r
#include "MassStorageHost.h"\r
\r
-/* Globals */\r
-/** Index of the highest available LUN (Logical Unit) in the attached Mass Storage Device */\r
-uint8_t MassStore_MaxLUNIndex;\r
-\r
+/** LUFA Mass Storage Class driver interface configuration and state information. This structure is\r
+ * passed to all Mass Storage Class driver functions, so that multiple instances of the same class\r
+ * within a device can be differentiated from one another.\r
+ */\r
+USB_ClassInfo_MS_Host_t FlashDisk_MS_Interface =\r
+ {\r
+ .Config =\r
+ {\r
+ .DataINPipeNumber = 1,\r
+ .DataOUTPipeNumber = 2,\r
+ },\r
+ };\r
\r
+ \r
/** Main program entry point. This routine configures the hardware required by the application, then\r
* starts the scheduler to run the application tasks.\r
*/\r
{\r
SetupHardware();\r
\r
- puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY\r
- "Mass Storage Host Demo running.\r\n" ESC_INVERSE_OFF));\r
+ puts_P(PSTR(ESC_FG_CYAN "Mass Storage Host Demo running.\r\n" ESC_FG_WHITE));\r
\r
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
\r
for (;;)\r
{\r
- MassStorage_Task();\r
+ switch (USB_HostState)\r
+ {\r
+ case HOST_STATE_Addressed:\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+ \r
+ uint16_t ConfigDescriptorSize;\r
+ uint8_t ConfigDescriptorData[512];\r
+\r
+ if ((USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful) ||\r
+ (ConfigDescriptorSize > sizeof(ConfigDescriptorData)) ||\r
+ (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData)))\r
+ {\r
+ printf("Error Retrieving Configuration Descriptor.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ if (MS_Host_ConfigurePipes(&FlashDisk_MS_Interface,\r
+ ConfigDescriptorSize, ConfigDescriptorData) != MS_ENUMERROR_NoError)\r
+ {\r
+ printf("Attached Device Not a Valid Mouse.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ printf("Error Setting Device Configuration.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ printf("Mouse Enumerated.\r\n");\r
+ USB_HostState = HOST_STATE_Configured;\r
+ break;\r
+ case HOST_STATE_Configured:\r
+ LEDs_SetAllLEDs(LEDMASK_USB_BUSY);\r
+ \r
+ uint8_t MaxLUNIndex;\r
+ if (MS_Host_GetMaxLUN(&FlashDisk_MS_Interface, &MaxLUNIndex))\r
+ {\r
+ printf("Error retrieving max LUN index.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ if (MS_Host_ResetMSInterface(&FlashDisk_MS_Interface))\r
+ {\r
+ printf("Error resetting Mass Storage interface.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ SCSI_Inquiry_Response_t InquiryData;\r
+ if (MS_Host_GetInquiryData(&FlashDisk_MS_Interface, &InquiryData))\r
+ {\r
+ printf("Error retreiving device Inquiry data.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break; \r
+ }\r
+\r
+ printf("Vendor \"%.8s\", Product \"%.16s\"\r\n", InquiryData.VendorID, InquiryData.ProductID);\r
+ \r
+ bool DeviceReady;\r
+ printf("Waiting until ready...\r\n"));\r
+\r
+ do\r
+ {\r
+ if (MS_Host_TestUnitReady(&FlashDisk_MS_Interface, 0, &DeviceReady))\r
+ {\r
+ printf("Error waiting for device to be ready.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ }\r
+ while (!(DeviceReady));\r
+\r
+ puts_P(PSTR("Retrieving Capacity... "));\r
+\r
+ SCSI_Capacity_t DiskCapacity;\r
+ if (MS_Host_ReadDeviceCapacity(0, &DiskCapacity))\r
+ {\r
+ printf("Error retrieving device capacity.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ printf("%lu blocks of %lu bytes.\r\n", DiskCapacity.Blocks, DiskCapacity.BlockSize);\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ MS_Host_USBTask(&FlashDisk_MS_Interface);\r
USB_USBTask();\r
}\r
}\r
/* Hardware Initialization */\r
SerialStream_Init(9600, false);\r
LEDs_Init();\r
- Buttons_Init();\r
USB_Init();\r
}\r
\r
/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
* starts the library USB task to begin the enumeration and USB management process.\r
*/\r
-void EVENT_USB_DeviceAttached(void)\r
+void EVENT_USB_Host_DeviceAttached(void)\r
{\r
puts_P(PSTR("Device Attached.\r\n"));\r
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
* stops the library USB task management process.\r
*/\r
-void EVENT_USB_DeviceUnattached(void)\r
+void EVENT_USB_Host_DeviceUnattached(void)\r
{\r
puts_P(PSTR("\r\nDevice Unattached.\r\n"));\r
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
* enumerated by the host and is now ready to be used by the application.\r
*/\r
-void EVENT_USB_DeviceEnumerationComplete(void)\r
+void EVENT_USB_Host_DeviceEnumerationComplete(void)\r
{\r
LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
}\r
\r
/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r
-void EVENT_USB_HostError(const uint8_t ErrorCode)\r
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)\r
{\r
USB_ShutDown();\r
\r
- puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));\r
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
\r
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
for(;;);\r
/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
* enumerating an attached USB device.\r
*/\r
-void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
{\r
- puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));\r
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
- printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);\r
- printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);\r
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"\r
+ " -- Error Code %d\r\n"\r
+ " -- Sub Error Code %d\r\n"\r
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);\r
\r
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
}\r
-\r
-/** Task to set the configuration of the attached device after it has been enumerated, and to read in blocks from\r
- * the device and print them to the serial port.\r
- */\r
-void MassStorage_Task(void)\r
-{\r
- uint8_t ErrorCode;\r
-\r
- switch (USB_HostState)\r
- {\r
- case HOST_STATE_Addressed:\r
- /* Standard request to set the device configuration to configuration 1 */\r
- USB_ControlRequest = (USB_Request_Header_t)\r
- {\r
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
- .bRequest = REQ_SetConfiguration,\r
- .wValue = 1,\r
- .wIndex = 0,\r
- .wLength = 0,\r
- };\r
- \r
- /* Select the control pipe for the request transfer */\r
- Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
- /* Send the request, display error and wait for device detach if request fails */\r
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
- {\r
- puts_P(PSTR("Control Error (Set Configuration).\r\n"));\r
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
-\r
- /* Indicate error via status LEDs */\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-\r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
- \r
- USB_HostState = HOST_STATE_Configured;\r
- break;\r
- case HOST_STATE_Configured:\r
- puts_P(PSTR("Getting Config Data.\r\n"));\r
- \r
- /* Get and process the configuration descriptor data */\r
- if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)\r
- {\r
- if (ErrorCode == ControlError)\r
- puts_P(PSTR("Control Error (Get Configuration).\r\n"));\r
- else\r
- puts_P(PSTR("Invalid Device.\r\n"));\r
-\r
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
- \r
- /* Indicate error via status LEDs */\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-\r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
-\r
- puts_P(PSTR("Mass Storage Disk Enumerated.\r\n"));\r
- \r
- USB_HostState = HOST_STATE_Ready;\r
- break;\r
- case HOST_STATE_Ready:\r
- /* Indicate device busy via the status LEDs */\r
- LEDs_SetAllLEDs(LEDMASK_USB_BUSY);\r
- \r
- /* Send the request, display error and wait for device detach if request fails */\r
- if ((ErrorCode = MassStore_GetMaxLUN(&MassStore_MaxLUNIndex)) != HOST_SENDCONTROL_Successful)\r
- { \r
- ShowDiskReadError(PSTR("Get Max LUN"), false, ErrorCode);\r
- break;\r
- }\r
- \r
- /* Print number of LUNs detected in the attached device */\r
- printf_P(PSTR("Total LUNs: %d.\r\n"), (MassStore_MaxLUNIndex + 1));\r
- \r
- /* Reset the Mass Storage device interface, ready for use */\r
- if ((ErrorCode = MassStore_MassStorageReset()) != HOST_SENDCONTROL_Successful)\r
- {\r
- ShowDiskReadError(PSTR("Mass Storage Reset"), false, ErrorCode);\r
- break;\r
- }\r
- \r
- /* Get sense data from the device - many devices will not accept any other commands until the sense data\r
- * is read - both on start-up and after a failed command */\r
- SCSI_Request_Sense_Response_t SenseData;\r
- if (((ErrorCode = MassStore_RequestSense(0, &SenseData)) != 0) || (SCSICommandStatus.Status != Command_Pass))\r
- {\r
- ShowDiskReadError(PSTR("Request Sense"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);\r
- break;\r
- }\r
- \r
- /* Set the prevent removal flag for the device, allowing it to be accessed */\r
- if (((ErrorCode = MassStore_PreventAllowMediumRemoval(0, true)) != 0) || (SCSICommandStatus.Status != Command_Pass))\r
- {\r
- ShowDiskReadError(PSTR("Prevent/Allow Medium Removal"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);\r
- break;\r
- }\r
-\r
- puts_P(PSTR("Waiting until ready.."));\r
- \r
- /* Wait until disk ready */\r
- do\r
- {\r
- Serial_TxByte('.');\r
- \r
- if ((ErrorCode = MassStore_TestUnitReady(0)) != 0)\r
- {\r
- ShowDiskReadError(PSTR("Test Unit Ready"), false, ErrorCode);\r
- break; \r
- }\r
- }\r
- while ((SCSICommandStatus.Status != Command_Pass) && USB_IsConnected);\r
- \r
- /* Abort if device removed */\r
- if (!(USB_IsConnected))\r
- break;\r
-\r
- puts_P(PSTR("\r\nRetrieving Capacity... "));\r
-\r
- /* Create new structure for the disk's capacity in blocks and block size */\r
- SCSI_Capacity_t DiskCapacity;\r
-\r
- /* Retrieve disk capacity */\r
- if (((ErrorCode = MassStore_ReadCapacity(0, &DiskCapacity)) != 0) || (SCSICommandStatus.Status != Command_Pass))\r
- {\r
- ShowDiskReadError(PSTR("Read Capacity"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);\r
- break;\r
- }\r
- \r
- /* Display the disk capacity in blocks * block size bytes */\r
- printf_P(PSTR("%lu blocks of %lu bytes.\r\n"), DiskCapacity.Blocks, DiskCapacity.BlockSize);\r
-\r
- /* Create a new buffer capabable of holding a single block from the device */\r
- uint8_t BlockBuffer[DiskCapacity.BlockSize];\r
-\r
- /* Read in the first 512 byte block from the device */\r
- if (((ErrorCode = MassStore_ReadDeviceBlock(0, 0x00000000, 1, DiskCapacity.BlockSize, BlockBuffer)) != 0) ||\r
- (SCSICommandStatus.Status != Command_Pass))\r
- {\r
- ShowDiskReadError(PSTR("Read Device Block"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);\r
- break;\r
- }\r
- \r
- puts_P(PSTR("\r\nContents of first block:\r\n"));\r
-\r
- /* Print out the first block in both HEX and ASCII, 16 bytes per line */\r
- for (uint16_t Chunk = 0; Chunk < (DiskCapacity.BlockSize >> 4); Chunk++)\r
- {\r
- /* Pointer to the start of the current 16-byte chunk in the read block of data */\r
- uint8_t* ChunkPtr = &BlockBuffer[Chunk << 4];\r
- \r
- /* Print out the 16 bytes of the chunk in HEX format */\r
- for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++)\r
- {\r
- char CurrByte = *(ChunkPtr + ByteOffset);\r
- \r
- printf_P(PSTR("%.2X "), CurrByte);\r
- }\r
- \r
- puts_P(PSTR(" "));\r
-\r
- /* Print out the 16 bytes of the chunk in ASCII format */\r
- for (uint8_t ByteOffset = 0; ByteOffset < (1 << 4); ByteOffset++)\r
- {\r
- char CurrByte = *(ChunkPtr + ByteOffset);\r
- \r
- putchar(isprint(CurrByte) ? CurrByte : '.');\r
- }\r
- \r
- puts_P(PSTR("\r\n"));\r
- }\r
- \r
- puts_P(PSTR("\r\n\r\nPress board button to read entire ASCII contents of disk...\r\n\r\n"));\r
- \r
- /* Wait for the board button to be pressed */\r
- while (!(Buttons_GetStatus() & BUTTONS_BUTTON1))\r
- {\r
- /* Abort if device removed */\r
- if (!(USB_IsConnected))\r
- break;\r
- }\r
- \r
- /* Print out the entire disk contents in ASCII format */\r
- for (uint32_t CurrBlock = 0; CurrBlock < DiskCapacity.Blocks; CurrBlock++)\r
- {\r
- /* Read in the next block of data from the device */\r
- if (((ErrorCode = MassStore_ReadDeviceBlock(0, CurrBlock, 1, DiskCapacity.BlockSize, BlockBuffer)) != 0) ||\r
- (SCSICommandStatus.Status != Command_Pass))\r
- {\r
- ShowDiskReadError(PSTR("Read Device Block"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);\r
- break;\r
- }\r
-\r
- /* Send the ASCII data in the read in block to the serial port */\r
- for (uint16_t Byte = 0; Byte < DiskCapacity.BlockSize; Byte++)\r
- {\r
- char CurrByte = BlockBuffer[Byte];\r
- \r
- putchar(isprint(CurrByte) ? CurrByte : '.');\r
- }\r
-\r
- /* Abort if device removed */\r
- if (!(USB_IsConnected))\r
- break;\r
- }\r
- \r
- /* Indicate device no longer busy */\r
- LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
- \r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- \r
- break;\r
- }\r
-}\r
-\r
-/** Indicates that a communication error has occurred with the attached Mass Storage Device,\r
- * printing error codes to the serial port and waiting until the device is removed before\r
- * continuing.\r
- *\r
- * \param CommandString ASCII string located in PROGMEM space indicating what operation failed\r
- * \param FailedAtSCSILayer Indicates if the command failed at the (logical) SCSI layer or at the physical USB layer\r
- * \param ErrorCode Error code of the function which failed to complete successfully\r
- */\r
-void ShowDiskReadError(char* CommandString, bool FailedAtSCSILayer, uint8_t ErrorCode)\r
-{\r
- if (FailedAtSCSILayer)\r
- {\r
- /* Display the error code */\r
- printf_P(PSTR(ESC_BG_RED "SCSI command error (%S).\r\n"), CommandString);\r
- printf_P(PSTR(" -- Status Code: %d"), ErrorCode);\r
- }\r
- else\r
- {\r
- /* Display the error code */\r
- printf_P(PSTR(ESC_BG_RED "Command error (%S).\r\n"), CommandString);\r
- printf_P(PSTR(" -- Error Code: %d"), ErrorCode); \r
- }\r
-\r
- Pipe_Freeze();\r
-\r
- /* Indicate device error via the status LEDs */\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-\r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
-}\r