/usr/include/gpsim/psp.h is in gpsim-dev 0.29.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | /*
Copyright (C) 2006 Roy R Rankin
This file is part of the libgpsim library of gpsim
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see
<http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
#ifndef __PSP_H__
#define __PSP_H__
#include "pic-processor.h"
#include "14bit-registers.h"
#include "pic-ioports.h"
#include "pir.h"
class RD_SignalSink;
class CS_SignalSink;
class WR_SignalSink;
class PicPSP_PortRegister;
class PicTrisRegister;
class PSPCON : public sfr_register, public TriggerObject
{
public:
PSPCON(Processor *pCpu, const char *pName, const char *pDesc);
virtual void put(unsigned int new_value);
virtual void put_value(unsigned int new_value);
};
class PSP
{
public:
void initialize( PIR_SET *pir_set, PicPSP_PortRegister *port_set,
PicTrisRegister *port_tris, sfr_register *PSPcon,
PinModule *pin_RD, PinModule *pin_CS, PinModule *pin_WR);
void setRD_State(char new3State);
void setCS_State(char new3State);
void setWR_State(char new3State);
void ParallelSetbit(int m_iobit,char cNewSinkState);
void state_control(void);
bool pspmode(void) { return((cntl_tris->get() & PSPMODE) == PSPMODE);}
void psp_put(unsigned int new_value);
unsigned int psp_get(void);
PSP() { m_rd_sink=0; m_cs_sink=0; m_wr_sink=0; state=0;}
enum {
TRIS_MASK = 7,
PSPMODE = 1<<4,
IBOV = 1<<5,
OBF = 1<<6,
IBF = 1<<7
};
protected:
enum {
ST_INACTIVE = 0,
ST_READ,
ST_WRITE
};
unsigned int put_value;
unsigned int get_value;
int state;
bool rd;
bool cs;
bool wr;
PIR_SET *pir_set;
PicPSP_PortRegister *parallel_port;
PicTrisRegister *parallel_tris;
sfr_register *cntl_tris;
PinModule *Not_RD;
PinModule *Not_CS;
PinModule *Not_WR;
RD_SignalSink *m_rd_sink;
CS_SignalSink *m_cs_sink;
WR_SignalSink *m_wr_sink;
};
#endif // __PSP_H__
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