Yoctopuce Yocto-RS485-V2 Mode D'emploi page 69

#include "yocto_api.h"
#include "yocto_serialport.h"
#include <iostream>
#include <stdlib.h>
using namespace std;
int main(int argc,
{
string errmsg;
if (YAPI::RegisterHub("usb",
cerr << "RegisterHub error : "
return 1;
}
YSerialPort *serialPort;
if (argc > 1 && string(argv[1]) != "any") {
serialPort = YSerialPort::FindSerialPort(string(argv[1]));
} else {
serialPort = YSerialPort::FirstSerialPort();
if (serialPort
cerr << "No module connected (check USB cable)"
return 1;
}
}
if (!serialPort->isOnline()) {
cout << "Module not connected (check identification and USB cable)"
return 1;
}
int slave, reg,
string cmd;
do {
cout << "Please enter the MODBUS slave address (1...255)"
cout << "Slave:
cin >> slave;
} while(slave <
do {
cout << "Please select a Coil No (>=1), Input Bit No (>=10001+),"
cout << "
cout << "No: "
cin >> reg;
} while(reg < 1
while(serialPort->isOnline()) {
if(reg >= 40001) {
val = serialPort->modbusReadRegisters(slave, reg
} else if(reg
val = serialPort->modbusReadInputRegisters(slave, reg
} else if(reg
val = serialPort->modbusReadInputBits(slave, reg
} else {
val = serialPort->modbusReadBits(slave, reg
}
cout << "Current value: "
cout << "Press R to read again, Q to
if((reg % 30000) < 10000) {
cout << " or enter a new
}
cout << ": " << endl;
cin >> cmd;
if(cmd == "q"
if (cmd != "r"
val = atoi(cmd.c_str());
if(reg >= 30001) {
serialPort->modbusWriteRegister(slave, reg
} else {
serialPort->modbusWriteBit(slave, reg
}
}
}
YAPI::FreeAPI();
return 0;
}
www.yoctopuce.com
const char * argv[])
errmsg) != YAPI::SUCCESS) {
<< errmsg
== NULL) {
val;
";
1 || slave > 255);
Input Register No (>=30001) or Register No (>=40001)"
;
|| reg >= 50000 || (reg
>= 30001) {
>= 10001) {
<< val << endl;
value";
|| cmd == "Q") break;
&& cmd != "R" && (reg
<< endl;
<< endl;
% 10000) == 0);
- 40001,
-
- 10001,
- 1, 1)[0];
quit";
% 30000) < 10000) {
- 30001, val);
- 1, val);
10. Utilisation du Yocto-RS485-V2 en C++
<< endl;
<< endl;
<< endl;
<< endl;
1)[0];
30001, 1)[0];
1)[0];
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