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Diffstat (limited to 'SrcShared/Hardware/TRG/EmTRGSD.h')
| -rw-r--r-- | SrcShared/Hardware/TRG/EmTRGSD.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/SrcShared/Hardware/TRG/EmTRGSD.h b/SrcShared/Hardware/TRG/EmTRGSD.h new file mode 100644 index 0000000..bc5afd4 --- /dev/null +++ b/SrcShared/Hardware/TRG/EmTRGSD.h @@ -0,0 +1,64 @@ +/* -*- mode: C++; tab-width: 4 -*- */ +/* ===================================================================== *\ + Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries. + All rights reserved. + + This file is part of the Palm OS Emulator. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. +\* ===================================================================== */ +#ifndef _EmTRGSD_h_ +#define _EmTRGSD_h_ + +#include "EmTRGDiskIO.h" + +/************************************************************************ + * This class handles the SPI SD controller interface used in the + * HandEra 330. + ************************************************************************/ + + +typedef enum +{ + sdBusGetCmdState, + sdBusSendResponseState, + sdBusGetDataState, + sdBusSendDataState +} sdBusStateType; + + +class EmTRGSD +{ + private: + uint8 cmdBuffer[6]; + int cmdIndex; + uint8 responseBuffer[2]; + int responseIndex; + int responseSize; + uint8 dataBuffer[520]; + int dataIndex; + int dataSize; + uint32 sectorNum; + sdBusStateType sdBusState; + sdBusStateType sdBusNextState; // next state after sending response + + EmTRGDiskIO DiskIO; + EmCurrDiskType m_currDisk; + + void ProcessCommand(void); + void CompleteCommand(void); + + public : + EmTRGSD(); + ~EmTRGSD(); + + void Initialize(void); + void Dispose(void); + + void ExchangeBits(uint16 txData, uint16 *rxData, uint16 Bits); +}; + +#endif
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