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Diffstat (limited to 'lib/lufa/Demos/Host/LowLevel/MassStorageHost/MassStorageHost.c')
| -rw-r--r-- | lib/lufa/Demos/Host/LowLevel/MassStorageHost/MassStorageHost.c | 373 |
1 files changed, 0 insertions, 373 deletions
diff --git a/lib/lufa/Demos/Host/LowLevel/MassStorageHost/MassStorageHost.c b/lib/lufa/Demos/Host/LowLevel/MassStorageHost/MassStorageHost.c deleted file mode 100644 index 4d52470433..0000000000 --- a/lib/lufa/Demos/Host/LowLevel/MassStorageHost/MassStorageHost.c +++ /dev/null @@ -1,373 +0,0 @@ -/* - 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); -} - |