You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
299 lines
9.6 KiB
299 lines
9.6 KiB
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2010.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.fourwalledcubicle.com
|
|
*/
|
|
|
|
/*
|
|
Copyright 2010 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 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"
|
|
|
|
/** LUFA Mass Storage Class driver interface configuration and state information. This structure is
|
|
* passed to all Mass Storage Class driver functions, so that multiple instances of the same class
|
|
* within a device can be differentiated from one another.
|
|
*/
|
|
USB_ClassInfo_MS_Host_t FlashDisk_MS_Interface =
|
|
{
|
|
.Config =
|
|
{
|
|
.DataINPipeNumber = 1,
|
|
.DataINPipeDoubleBank = false,
|
|
|
|
.DataOUTPipeNumber = 2,
|
|
.DataOUTPipeDoubleBank = false,
|
|
},
|
|
};
|
|
|
|
|
|
/** 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);
|
|
|
|
for (;;)
|
|
{
|
|
switch (USB_HostState)
|
|
{
|
|
case HOST_STATE_Addressed:
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
|
|
|
|
uint16_t ConfigDescriptorSize;
|
|
uint8_t ConfigDescriptorData[512];
|
|
|
|
if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
|
|
sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
|
|
{
|
|
printf("Error Retrieving Configuration Descriptor.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
if (MS_Host_ConfigurePipes(&FlashDisk_MS_Interface,
|
|
ConfigDescriptorSize, ConfigDescriptorData) != MS_ENUMERROR_NoError)
|
|
{
|
|
printf("Attached Device Not a Valid Mass Storage Device.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
|
|
{
|
|
printf("Error Setting Device Configuration.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
printf("Mass Storage Device Enumerated.\r\n");
|
|
USB_HostState = HOST_STATE_Configured;
|
|
break;
|
|
case HOST_STATE_Configured:
|
|
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
|
|
|
|
uint8_t MaxLUNIndex;
|
|
if (MS_Host_GetMaxLUN(&FlashDisk_MS_Interface, &MaxLUNIndex))
|
|
{
|
|
printf("Error retrieving max LUN index.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
printf("Total LUNs: %d - Using first LUN in device.\r\n", (MaxLUNIndex + 1));
|
|
|
|
if (MS_Host_ResetMSInterface(&FlashDisk_MS_Interface))
|
|
{
|
|
printf("Error resetting Mass Storage interface.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
SCSI_Request_Sense_Response_t SenseData;
|
|
if (MS_Host_RequestSense(&FlashDisk_MS_Interface, 0, &SenseData) != 0)
|
|
{
|
|
printf("Error retrieving device sense.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
if (MS_Host_PreventAllowMediumRemoval(&FlashDisk_MS_Interface, 0, true))
|
|
{
|
|
printf("Error setting Prevent Device Removal bit.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
SCSI_Inquiry_Response_t InquiryData;
|
|
if (MS_Host_GetInquiryData(&FlashDisk_MS_Interface, 0, &InquiryData))
|
|
{
|
|
printf("Error retrieving device Inquiry data.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
printf("Vendor \"%.8s\", Product \"%.16s\"\r\n", InquiryData.VendorID, InquiryData.ProductID);
|
|
|
|
printf("Waiting until ready...\r\n");
|
|
|
|
for (;;)
|
|
{
|
|
uint8_t ErrorCode = MS_Host_TestUnitReady(&FlashDisk_MS_Interface, 0);
|
|
|
|
if (!(ErrorCode))
|
|
break;
|
|
|
|
/* Check if an error other than a logical command error (device busy) received */
|
|
if (ErrorCode != MS_ERROR_LOGICAL_CMD_FAILED)
|
|
{
|
|
printf("Error waiting for device to be ready.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
}
|
|
|
|
printf("Retrieving Capacity... ");
|
|
|
|
SCSI_Capacity_t DiskCapacity;
|
|
if (MS_Host_ReadDeviceCapacity(&FlashDisk_MS_Interface, 0, &DiskCapacity))
|
|
{
|
|
printf("Error retrieving device capacity.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
printf("%lu blocks of %lu bytes.\r\n", DiskCapacity.Blocks, DiskCapacity.BlockSize);
|
|
|
|
uint8_t BlockBuffer[DiskCapacity.BlockSize];
|
|
|
|
if (MS_Host_ReadDeviceBlocks(&FlashDisk_MS_Interface, 0, 0x00000000, 1, DiskCapacity.BlockSize, BlockBuffer))
|
|
{
|
|
printf("Error reading device block.\r\n");
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
printf("\r\nContents of first block:\r\n");
|
|
|
|
for (uint16_t Chunk = 0; Chunk < (DiskCapacity.BlockSize >> 4); Chunk++)
|
|
{
|
|
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);
|
|
}
|
|
|
|
printf(" ");
|
|
|
|
/* 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 : '.');
|
|
}
|
|
|
|
printf("\r\n");
|
|
}
|
|
|
|
LEDs_SetAllLEDs(LEDMASK_USB_READY);
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
MS_Host_USBTask(&FlashDisk_MS_Interface);
|
|
USB_USBTask();
|
|
}
|
|
}
|
|
|
|
/** Configures the board hardware and chip peripherals for the demo's functionality. */
|
|
void SetupHardware(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();
|
|
USB_Init();
|
|
}
|
|
|
|
/** 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("Device Attached.\r\n"));
|
|
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("\r\nDevice Unattached.\r\n"));
|
|
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)
|
|
{
|
|
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_ShutDown();
|
|
|
|
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);
|
|
}
|