USB_Host_Shield_2.0/hid.cpp

/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.

This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").

Contact information
-------------------

Circuits At Home, LTD
Web      :  http://www.circuitsathome.com
e-mail   :  support@circuitsathome.com
*/
#include "hid.h"

//const uint16_t	HID::maxHidInterfaces		= 3;		
//const uint16_t	HID::maxEpPerInterface		= 2;		
const uint8_t	HID::epInterruptInIndex		= 1;	
const uint8_t	HID::epInterruptOutIndex	= 2;


//get HID report descriptor 
uint8_t HID::GetReportDescr( uint8_t ep, USBReadParser *parser ) 
{
	const uint8_t	constBufLen = 64;
	uint8_t			buf[constBufLen];

	//HexDumper<USBReadParser, uint16_t, uint16_t>		HexDump;

	//return( pUsb->ctrlReq( bAddress, ep, /*bmREQ_HIDREPORT*/0x81, USB_REQUEST_GET_DESCRIPTOR, 0x00, 
	//	HID_DESCRIPTOR_REPORT, 0x0000, constBufLen, constBufLen, buf, NULL ));

	uint8_t rcode = pUsb->ctrlReq( bAddress, ep, /*bmREQ_HIDREPORT*/0x81, USB_REQUEST_GET_DESCRIPTOR, 0x00, 
		HID_DESCRIPTOR_REPORT, 0x0000, 0x4C1, constBufLen, buf, (USBReadParser*)parser );

	//return ((rcode != hrSTALL) ? rcode : 0);
	return rcode;
}
//uint8_t HID::getHidDescr( uint8_t ep, uint16_t nbytes, uint8_t* dataptr ) 
//{ 
//    return( pUsb->ctrlReq( bAddress, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, 0x00, HID_DESCRIPTOR_HID, 0x0000, nbytes, dataptr ));
//}
uint8_t HID::SetReport( uint8_t ep, uint8_t iface, uint8_t report_type, uint8_t report_id, uint16_t nbytes, uint8_t* dataptr ) 
{
    return( pUsb->ctrlReq( bAddress, ep, bmREQ_HIDOUT, HID_REQUEST_SET_REPORT, report_id, report_type, iface, nbytes, nbytes, dataptr, NULL ));
}
uint8_t HID::GetReport( uint8_t ep, uint8_t iface, uint8_t report_type, uint8_t report_id, uint16_t nbytes, uint8_t* dataptr ) 
{ 
	return( pUsb->ctrlReq( bAddress, ep, bmREQ_HIDIN, HID_REQUEST_GET_REPORT, report_id, report_type, iface, nbytes, nbytes, dataptr, NULL ));
}
uint8_t HID::GetIdle( uint8_t iface, uint8_t reportID, uint8_t* dataptr ) 
{
    return( pUsb->ctrlReq( bAddress, 0, bmREQ_HIDIN, HID_REQUEST_GET_IDLE, reportID, 0, iface, 0x0001, 0x0001, dataptr, NULL ));    
}
uint8_t HID::SetIdle( uint8_t iface, uint8_t reportID, uint8_t duration ) 
{
    return( pUsb->ctrlReq( bAddress, 0, bmREQ_HIDOUT, HID_REQUEST_SET_IDLE, reportID, duration, iface, 0x0000, 0x0000, NULL, NULL ));
}
uint8_t HID::SetProtocol( uint8_t iface, uint8_t protocol ) 
{
	return( pUsb->ctrlReq( bAddress, 0, bmREQ_HIDOUT, HID_REQUEST_SET_PROTOCOL, protocol, 0x00, iface, 0x0000, 0x0000, NULL, NULL ));
}
uint8_t HID::GetProtocol( uint8_t iface, uint8_t* dataptr ) 
{
	return( pUsb->ctrlReq( bAddress, 0, bmREQ_HIDIN, HID_REQUEST_GET_PROTOCOL, 0x00, 0x00, iface, 0x0001, 0x0001, dataptr, NULL ));        
}

void HID::PrintEndpointDescriptor( const USB_ENDPOINT_DESCRIPTOR* ep_ptr )
{
	Notify(PSTR("Endpoint descriptor:"));
	Notify(PSTR("\r\nLength:\t\t"));
	PrintHex<uint8_t>(ep_ptr->bLength);
	Notify(PSTR("\r\nType:\t\t"));
	PrintHex<uint8_t>(ep_ptr->bDescriptorType);
	Notify(PSTR("\r\nAddress:\t"));
	PrintHex<uint8_t>(ep_ptr->bEndpointAddress);
	Notify(PSTR("\r\nAttributes:\t"));
	PrintHex<uint8_t>(ep_ptr->bmAttributes);
	Notify(PSTR("\r\nMaxPktSize:\t"));
	PrintHex<uint16_t>(ep_ptr->wMaxPacketSize);
	Notify(PSTR("\r\nPoll Intrv:\t"));
	PrintHex<uint8_t>(ep_ptr->bInterval);
}

void HID::PrintHidDescriptor(const USB_HID_DESCRIPTOR *pDesc)
{
    Notify(PSTR("\r\n\r\nHID Descriptor:\r\n"));
    Notify(PSTR("bDescLength:\t\t"));
    PrintHex<uint8_t>(pDesc->bLength);
    
    Notify(PSTR("\r\nbDescriptorType:\t"));
    PrintHex<uint8_t>(pDesc->bDescriptorType);
    
    Notify(PSTR("\r\nbcdHID:\t\t\t"));
    PrintHex<uint16_t>(pDesc->bcdHID);
    
    Notify(PSTR("\r\nbCountryCode:\t\t"));
    PrintHex<uint8_t>(pDesc->bCountryCode);
    
    Notify(PSTR("\r\nbNumDescriptors:\t"));
    PrintHex<uint8_t>(pDesc->bNumDescriptors);
    
    Notify(PSTR("\r\nbDescrType:\t\t"));
    PrintHex<uint8_t>(pDesc->bDescrType);
    
    Notify(PSTR("\r\nwDescriptorLength:\t"));
    PrintHex<uint16_t>(pDesc->wDescriptorLength);
}