X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/ecf7538430c01b95104682f0f7493e57b9168125..ed031c1df2f5b053b9cd9f48c63e66a42b7c049e:/Demos/MassStorageHost/MassStorageHost.c diff --git a/Demos/MassStorageHost/MassStorageHost.c b/Demos/MassStorageHost/MassStorageHost.c deleted file mode 100644 index d042b78bb..000000000 --- a/Demos/MassStorageHost/MassStorageHost.c +++ /dev/null @@ -1,420 +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" - -/* Project Tags, for reading out using the ButtLoad project */ -BUTTLOADTAG(ProjName, "LUFA MS Host App"); -BUTTLOADTAG(BuildTime, __TIME__); -BUTTLOADTAG(BuildDate, __DATE__); -BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING); - -/* 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(); - HWB_Init(); - - /* Indicate USB not ready */ - UpdateStatus(Status_USBNotReady); - - /* Startup 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. - */ -EVENT_HANDLER(USB_DeviceAttached) -{ - 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. - */ -EVENT_HANDLER(USB_DeviceUnattached) -{ - /* 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. - */ -EVENT_HANDLER(USB_DeviceEnumerationComplete) -{ - /* 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. */ -EVENT_HANDLER(USB_HostError) -{ - 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 occured while - * enumerating an attached USB device. - */ -EVENT_HANDLER(USB_DeviceEnumerationFailed) -{ - 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_HostRequest = (USB_Host_Request_Header_t) - { - bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), - bRequest: REQ_SetConfiguration, - wValue: 1, - wIndex: 0, - wLength: 0, - }; - - /* Send the request, display error and wait for device detatch 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); - - /* Reset the Mass Storage device interface, ready for use */ - if ((ErrorCode = MassStore_MassStorageReset()) != HOST_SENDCONTROL_Successful) - { - ShowDiskReadError(PSTR("Mass Storage Reset"), ErrorCode); - break; - } - - /* Send the request, display error and wait for device detatch if request fails */ - if ((ErrorCode = MassStore_GetMaxLUN(&MassStore_MaxLUNIndex)) != HOST_SENDCONTROL_Successful) - { - ShowDiskReadError(PSTR("Get Max LUN"), ErrorCode); - break; - } - - /* Print number of LUNs detected in the attached device */ - printf_P(PSTR("Total LUNs: %d.\r\n"), (MassStore_MaxLUNIndex + 1)); - - /* 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); - break; - } - - /* Get sense data from the device - many devices will not accept any other commands until the sense data - * is read - both on startup and after a failed command */ - SCSI_Request_Sense_Response_t SenseData; - if ((ErrorCode = MassStore_RequestSense(0, &SenseData)) != 0) - { - ShowDiskReadError(PSTR("Request Sense"), ErrorCode); - break; - } - - puts_P(PSTR("Waiting until ready")); - - /* Wait until disk ready */ - do - { - Serial_TxByte('.'); - MassStore_TestUnitReady(0); - } - 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) - { - ShowDiskReadError(PSTR("Read Capacity"), 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) - { - ShowDiskReadError(PSTR("Read Device Block"), ErrorCode); - break; - } - - /* Show the number of bytes not transferred in the previous command */ - printf_P(PSTR("Transfer Residue: %lu\r\n"), SCSICommandStatus.DataTransferResidue); - - 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 HWB to read entire ASCII contents of disk...\r\n\r\n")); - - /* Wait for HWB to be pressed */ - while (!(HWB_GetStatus())) - { - /* 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) - { - ShowDiskReadError(PSTR("Read Device Block"), 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 ocurred 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 ErrorCode Error code of the function which failed to complete successfully - */ -void ShowDiskReadError(char* CommandString, uint8_t ErrorCode) -{ - /* 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); -}