mirror of
https://github.com/felis/USB_Host_Shield_2.0.git
synced 2024-03-22 11:31:26 +01:00
77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact information
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-------------------
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Circuits At Home, LTD
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Web : http://www.circuitsathome.com
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e-mail : support@circuitsathome.com
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*/
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#include "Usb.h"
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bool MultiByteValueParser::Parse(uint8_t **pp, uint16_t *pcntdn) {
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if(!pBuf) {
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Notify(PSTR("Buffer pointer is NULL!\r\n"), 0x80);
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return false;
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}
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for(; countDown && (*pcntdn); countDown--, (*pcntdn)--, (*pp)++)
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pBuf[valueSize - countDown] = (**pp);
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if(countDown)
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return false;
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countDown = valueSize;
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return true;
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}
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bool PTPListParser::Parse(uint8_t **pp, uint16_t *pcntdn, PTP_ARRAY_EL_FUNC pf, const void *me) {
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switch(nStage) {
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case 0:
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pBuf->valueSize = lenSize;
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theParser.Initialize(pBuf);
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nStage = 1;
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// fall through
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case 1:
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if(!theParser.Parse(pp, pcntdn))
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return false;
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arLen = 0;
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arLen = (pBuf->valueSize >= 4) ? *((uint32_t*)pBuf->pValue) : (uint32_t)(*((uint16_t*)pBuf->pValue));
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arLenCntdn = arLen;
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nStage = 2;
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// fall through
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case 2:
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pBuf->valueSize = valSize;
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theParser.Initialize(pBuf);
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nStage = 3;
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// fall through
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case 3:
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for(; arLenCntdn; arLenCntdn--) {
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if(!theParser.Parse(pp, pcntdn))
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return false;
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if(pf)
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pf(pBuf, (arLen - arLenCntdn), me);
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}
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nStage = 0;
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}
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return true;
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}
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