diff options
Diffstat (limited to 'Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c')
| -rw-r--r-- | Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c | 431 |
1 files changed, 0 insertions, 431 deletions
diff --git a/Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c b/Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c deleted file mode 100644 index a2e6631e2..000000000 --- a/Demos/Host/ClassDriver/MassStorageHost/MassStorageHost.c +++ /dev/null @@ -1,431 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2009.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, and distribute this software
- and its documentation for any purpose and without fee is hereby
- granted, provided that the above copyright notice appear in all
- copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim 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
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- *
- * Main source file for the MassStorageHost demo. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "MassStorageHost.h"
-
-/* Scheduler Task List */
-TASK_LIST
-{
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },
- { .Task = USB_MassStore_Host , .TaskStatus = TASK_STOP },
-};
-
-/* Globals */
-/** Index of the highest available LUN (Logical Unit) in the attached Mass Storage Device */
-uint8_t MassStore_MaxLUNIndex;
-
-
-/** Main program entry point. This routine configures the hardware required by the application, then
- * starts the scheduler to run the application tasks.
- */
-int main(void)
-{
- /* Disable watchdog if enabled by bootloader/fuses */
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- /* Disable clock division */
- clock_prescale_set(clock_div_1);
-
- /* Hardware Initialization */
- SerialStream_Init(9600, false);
- LEDs_Init();
- Buttons_Init();
-
- /* Indicate USB not ready */
- UpdateStatus(Status_USBNotReady);
-
- /* Start-up message */
- puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY
- "MassStore Host Demo running.\r\n" ESC_INVERSE_OFF));
-
- /* Initialize Scheduler so that it can be used */
- Scheduler_Init();
-
- /* Initialize USB Subsystem */
- USB_Init();
-
- /* Scheduling routine never returns, so put this last in the main function */
- Scheduler_Start();
-}
-
-/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
- * starts the library USB task to begin the enumeration and USB management process.
- */
-void EVENT_USB_DeviceAttached(void)
-{
- puts_P(PSTR("Device Attached.\r\n"));
- UpdateStatus(Status_USBEnumerating);
-
- /* Start USB management task to enumerate the device */
- Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
-}
-
-/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
- * stops the library USB task management process.
- */
-void EVENT_USB_DeviceUnattached(void)
-{
- /* Stop USB management and Mass Storage tasks */
- Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
- Scheduler_SetTaskMode(USB_MassStore_Host, TASK_STOP);
-
- puts_P(PSTR("\r\nDevice Unattached.\r\n"));
- UpdateStatus(Status_USBNotReady);
-}
-
-/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
- * enumerated by the host and is now ready to be used by the application.
- */
-void EVENT_USB_DeviceEnumerationComplete(void)
-{
- /* Once device is fully enumerated, start the Mass Storage Host task */
- Scheduler_SetTaskMode(USB_MassStore_Host, TASK_RUN);
-
- /* Indicate device enumeration complete */
- UpdateStatus(Status_USBReady);
-}
-
-/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
-void EVENT_USB_HostError(const uint8_t ErrorCode)
-{
- USB_ShutDown();
-
- puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
-
- UpdateStatus(Status_HardwareError);
- for(;;);
-}
-
-/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
- * enumerating an attached USB device.
- */
-void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
-{
- puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
- printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);
- printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);
-
- UpdateStatus(Status_EnumerationError);
-}
-
-/** 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.
- */
-TASK(USB_MassStore_Host)
-{
- uint8_t ErrorCode;
-
- switch (USB_HostState)
- {
- case HOST_STATE_Addressed:
- /* Standard request to set the device configuration to configuration 1 */
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),
- .bRequest = REQ_SetConfiguration,
- .wValue = 1,
- .wIndex = 0,
- .wLength = 0,
- };
-
- /* Select the control pipe for the request transfer */
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- /* Send the request, display error and wait for device detach if request fails */
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
- {
- puts_P(PSTR("Control Error (Set Configuration).\r\n"));
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
-
- /* Indicate error via status LEDs */
- UpdateStatus(Status_EnumerationError);
-
- /* Wait until USB device disconnected */
- while (USB_IsConnected);
- break;
- }
-
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
- 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("Control Error (Get Configuration).\r\n"));
- else
- puts_P(PSTR("Invalid Device.\r\n"));
-
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
-
- /* Indicate error via status LEDs */
- UpdateStatus(Status_EnumerationError);
-
- /* Wait until USB device disconnected */
- while (USB_IsConnected);
- break;
- }
-
- puts_P(PSTR("Mass Storage Disk Enumerated.\r\n"));
-
- USB_HostState = HOST_STATE_Ready;
- break;
- case HOST_STATE_Ready:
- /* Indicate device busy via the status LEDs */
- UpdateStatus(Status_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"), false, ErrorCode);
- break;
- }
-
- /* Print number of LUNs detected in the attached device */
- printf_P(PSTR("Total LUNs: %d.\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"), false, ErrorCode);
- 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) || (SCSICommandStatus.Status != Command_Pass))
- {
- ShowDiskReadError(PSTR("Request Sense"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);
- break;
- }
-
- /* Set the prevent removal flag for the device, allowing it to be accessed */
- if (((ErrorCode = MassStore_PreventAllowMediumRemoval(0, true)) != 0) || (SCSICommandStatus.Status != Command_Pass))
- {
- ShowDiskReadError(PSTR("Prevent/Allow Medium Removal"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);
- break;
- }
-
- puts_P(PSTR("Waiting until ready.."));
-
- /* Wait until disk ready */
- do
- {
- Serial_TxByte('.');
-
- if ((ErrorCode = MassStore_TestUnitReady(0)) != 0)
- {
- ShowDiskReadError(PSTR("Test Unit Ready"), false, ErrorCode);
- break;
- }
- }
- while ((SCSICommandStatus.Status != Command_Pass) && USB_IsConnected);
-
- /* Abort if device removed */
- if (!(USB_IsConnected))
- 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) || (SCSICommandStatus.Status != Command_Pass))
- {
- ShowDiskReadError(PSTR("Read Capacity"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);
- 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 capabable 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) ||
- (SCSICommandStatus.Status != Command_Pass))
- {
- ShowDiskReadError(PSTR("Read Device Block"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);
- 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 : '.');
- }
-
- puts_P(PSTR("\r\n"));
- }
-
- 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_IsConnected))
- break;
- }
-
- /* Print out the entire disk contents in ASCII format */
- for (uint32_t CurrBlock = 0; CurrBlock < DiskCapacity.Blocks; CurrBlock++)
- {
- /* Read in the next block of data from the device */
- if (((ErrorCode = MassStore_ReadDeviceBlock(0, CurrBlock, 1, DiskCapacity.BlockSize, BlockBuffer)) != 0) ||
- (SCSICommandStatus.Status != Command_Pass))
- {
- ShowDiskReadError(PSTR("Read Device Block"), (SCSICommandStatus.Status != Command_Pass), ErrorCode);
- 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 : '.');
- }
-
- /* Abort if device removed */
- if (!(USB_IsConnected))
- break;
- }
-
- /* Indicate device no longer busy */
- UpdateStatus(Status_USBReady);
-
- /* Wait until USB device disconnected */
- while (USB_IsConnected);
-
- break;
- }
-}
-
-/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to
- * log to a serial port, or anything else that is suitable for status updates.
- *
- * \param CurrentStatus Current status of the system, from the MassStorageHost_StatusCodes_t enum
- */
-void UpdateStatus(uint8_t CurrentStatus)
-{
- uint8_t LEDMask = LEDS_NO_LEDS;
-
- /* Set the LED mask to the appropriate LED mask based on the given status code */
- switch (CurrentStatus)
- {
- case Status_USBNotReady:
- LEDMask = (LEDS_LED1);
- break;
- case Status_USBEnumerating:
- LEDMask = (LEDS_LED1 | LEDS_LED2);
- break;
- case Status_USBReady:
- LEDMask = (LEDS_LED2);
- break;
- case Status_EnumerationError:
- case Status_HardwareError:
- case Status_SCSICommandError:
- LEDMask = (LEDS_LED1 | LEDS_LED3);
- break;
- case Status_Busy:
- LEDMask = (LEDS_LED1 | LEDS_LED4);
- break;
- }
-
- /* Set the board LEDs to the new LED mask */
- LEDs_SetAllLEDs(LEDMask);
-}
-
-/** Indicates that a communication error has occurred with the attached Mass Storage Device,
- * printing error codes to the serial port and waiting until the device is removed before
- * continuing.
- *
- * \param CommandString ASCII string located in PROGMEM space indicating what operation failed
- * \param FailedAtSCSILayer Indicates if the command failed at the (logical) SCSI layer or at the physical USB layer
- * \param ErrorCode Error code of the function which failed to complete successfully
- */
-void ShowDiskReadError(char* CommandString, bool FailedAtSCSILayer, uint8_t ErrorCode)
-{
- if (FailedAtSCSILayer)
- {
- /* Display the error code */
- printf_P(PSTR(ESC_BG_RED "SCSI command error (%S).\r\n"), CommandString);
- printf_P(PSTR(" -- Status Code: %d"), ErrorCode);
- }
- else
- {
- /* Display the error code */
- printf_P(PSTR(ESC_BG_RED "Command error (%S).\r\n"), CommandString);
- printf_P(PSTR(" -- Error Code: %d"), ErrorCode);
- }
-
- Pipe_Freeze();
-
- /* Indicate device error via the status LEDs */
- UpdateStatus(Status_SCSICommandError);
-
- /* Wait until USB device disconnected */
- while (USB_IsConnected);
-}
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