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.
		
		
		
		
		
			
		
			
				
					134 lines
				
				4.0 KiB
			
		
		
			
		
	
	
					134 lines
				
				4.0 KiB
			|   
											8 years ago
										 | /*
 | ||
|  |              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 USB host application. This file contains the | ||
|  |  *  main tasks of the application and is responsible for the initial | ||
|  |  *  application hardware configuration. | ||
|  |  */ | ||
|  | 
 | ||
|  | #include "HostApplication.h"
 | ||
|  | 
 | ||
|  | /** 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(); | ||
|  | 
 | ||
|  | 	GlobalInterruptEnable(); | ||
|  | 
 | ||
|  | 	for (;;) | ||
|  | 	{ | ||
|  | 		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 */ | ||
|  | 	USB_Init(USB_MODE_Host, USB_DEVICE_OPT_FULLSPEED | USB_OPT_AUTO_PLL); | ||
|  | } | ||
|  | 
 | ||
|  | /** 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) | ||
|  | { | ||
|  | 
 | ||
|  | } | ||
|  | 
 | ||
|  | /** 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) | ||
|  | { | ||
|  | 
 | ||
|  | } | ||
|  | 
 | ||
|  | /** 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) | ||
|  | { | ||
|  | 	uint16_t ConfigDescriptorSize; | ||
|  | 	uint8_t  ConfigDescriptorData[512]; | ||
|  | 
 | ||
|  | 	if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, | ||
|  | 	                                       sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) | ||
|  | 	{ | ||
|  | 		return; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) | ||
|  | 	{ | ||
|  | 		return; | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | /** 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(); | ||
|  | 	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) | ||
|  | { | ||
|  | 
 | ||
|  | } | ||
|  | 
 | ||
|  | /* Required callback for retrieving descriptors from a LUFA device - unless the USB_HOST_ONLY configuration
 | ||
|  |  * option is set, this is still required even in an application that uses host mode only. | ||
|  |  */ | ||
|  | uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, | ||
|  | 		const uint16_t wIndex, | ||
|  | 		const void** const DescriptorAddress | ||
|  | #if defined(HAS_MULTIPLE_DESCRIPTOR_ADDRESS_SPACES)
 | ||
|  | 		, uint8_t* const DescriptorMemorySpace | ||
|  | #endif
 | ||
|  | ) | ||
|  | { | ||
|  | 	return 0; | ||
|  | } |