134 lines
4.0 KiB
C
134 lines
4.0 KiB
C
/*
|
|
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;
|
|
}
|