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diff --git a/lib/lufa/Demos/Host/LowLevel/MassStorageHost/MassStorageHost.c b/lib/lufa/Demos/Host/LowLevel/MassStorageHost/MassStorageHost.c
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+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 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
+ without fee, 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 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
+ 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"
+
+/** 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
+ * enters a loop to run the application tasks in sequence.
+ */
+int main(void)
+{
+ SetupHardware();
+
+ puts_P(PSTR(ESC_FG_CYAN "Mass Storage Host Demo running.\r\n" ESC_FG_WHITE));
+
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+ GlobalInterruptEnable();
+
+ for (;;)
+ {
+ MassStorageHost_Task();
+
+ USB_USBTask();
+ }
+}
+
+/** 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);
+#endif
+
+ /* Hardware Initialization */
+ Serial_Init(9600, false);
+ LEDs_Init();
+ Buttons_Init();
+ USB_Init();
+
+ /* Create a stdio stream for the serial port for stdin and stdout */
+ Serial_CreateStream(NULL);
+}
+
+/** 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_Host_DeviceAttached(void)
+{
+ puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** 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_Host_DeviceUnattached(void)
+{
+ puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** 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_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);
+}
+
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
+{
+ USB_Disable();
+
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ for(;;);
+}
+
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
+ * enumerating an attached USB device.
+ */
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+ const uint8_t SubErrorCode)
+{
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
+ " -- Error Code %d\r\n"
+ " -- Sub Error Code %d\r\n"
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** 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 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;
+
+ /* 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)
+ {
+ 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];
+
+ /* 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(" "));
+
+ /* 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_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,
+ * printing error codes to the serial port and waiting until the device is removed before
+ * continuing.
+ *
+ * \param[in] CommandString ASCII string located in PROGMEM space indicating what operation failed
+ * \param[in] ErrorCode Error code of the function which failed to complete successfully
+ */
+void ShowDiskReadError(const char* CommandString,
+ const uint8_t ErrorCode)
+{
+ if (ErrorCode == MASS_STORE_SCSI_COMMAND_FAILED)
+ {
+ /* Display the error code */
+ printf_P(PSTR(ESC_FG_RED "SCSI command error (%S).\r\n"), CommandString);
+ }
+ else
+ {
+ /* Display the error code */
+ printf_P(PSTR(ESC_FG_RED "Command error (%S).\r\n"), CommandString);
+ printf_P(PSTR(" -- Error Code: %d" ESC_FG_WHITE), ErrorCode);
+ }
+
+ Pipe_Freeze();
+
+ /* Indicate device error via the status LEDs */
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+