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搭建PVB架构，实现前端的基础布局、菜单、表格、图示等功能

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lixiaoyuan
2025-08-20 19:00:22 +08:00
parent 5de7687bcc
commit 7e965b6fb4
142 changed files with 28270 additions and 411 deletions
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64
libs/pvb/include/rllib/rlppiclient.h Normal file
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/***************************************************************************
rlppiclient.h - description
-------------------
begin : Mon Jul 12 2004
copyright : (C) 2004 by R. Lehrig
email : lehrig@t-online.de
***************************************************************************/
/***************************************************************************
* *
* 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 *
* *
***************************************************************************/
#ifndef _RL_PPI_CLIENT_H_
#define _RL_PPI_CLIENT_H_
#include "rldefine.h"
#include "rlmailbox.h"
#include "rlsharedmemory.h"
/*! <pre>
This class is for data acquisition from pvserver according to the pvbrowser principle.
The according daemon is generated by pvdevelop.
It communicates by the means of a shared memory and a mailbox.
</pre> */
class rlPPIClient : public rlMailbox, rlSharedMemory
{
public:
enum PPI_area
{
daveSD = 0x3,
daveInputs = 0x81,
daveOutputs = 0x82,
daveFlags = 0x83,
daveDB = 0x84, //data blocks
daveDI = 0x85, //not tested
daveLocal = 0x86, //not tested
daveV = 0x87, // don't know what it is
daveCounter = 28, //not tested
daveTimer = 29 //not tested
};
rlPPIClient(const char *mbxname, const char *shmname, int shmsize, int have_to_swap=1);
virtual ~rlPPIClient();
int write(int slave, int area, int dbnum, int start, int len, const unsigned char *data);
int writeFloat(int slave, int area, int dbnum, int start, int len, const float *val);
int writeDword(int slave, int area, int dbnum, int start, int len, const int *val);
int writeShort(int slave, int area, int dbnum, int start, int len, const short *val);
int writeUDword(int slave, int area, int dbnum, int start, int len, const unsigned int *val);
int writeUShort(int slave, int area, int dbnum, int start, int len, const unsigned short *val);
int read(int offset, int len);
float Float(int index);
int Dword(int index);
int Short(int index);
unsigned int UDword(int index);
unsigned int UShort(int index);
unsigned char buf[512]; // after calling read, the data is here
private:
int have_to_swap;
};
#endif