Which for example, or API, help, torture day, thank you,

CodePudding user response:

https://blog.csdn.net/MickeyTaKigin/article/details/77803736

CodePudding user response:

 private void write (final int data) {
New Thread (new Runnable () {
@ Override 
Public void the run () {
If (master==null) {
if (! InitModbus ()) {
return; 
} 
GetActivity (). The runOnUiThread (new Runnable () {
@ Override 
Public void the run () {
StatetextView. SetText (" order status: failure "); 
} 
}); 
} 
WriteRegisterRequest WriteRegisterRequest=null; 
Try {
SharedPreferences SharedPreferences=getActivity (). GetSharedPreferences (" System ", 0); 
Int slaveId=sharedPreferences. Get int (" Slave ", 2); 
Int address=sharedPreferences. Get int (" Register ", 1); 
WriteRegisterRequest=new writeRegisterRequest (slaveId, address, data); 
WriteRegisterResponse WriteRegisterResponse=(WriteRegisterResponse) master. Send (writeRegisterRequest); 
If (writeRegisterResponse isException ()) {
GetActivity (). The runOnUiThread (new Runnable () {
@ Override 
Public void the run () {
StatetextView. SetText (" order status: failure "); 
} 
}); 
The v (" exception ", writeRegisterResponse getExceptionMessage ()); 
} else {
GetActivity (). The runOnUiThread (new Runnable () {
@ Override 
Public void the run () {
StatetextView. SetText (" order status: success "); 
} 
}); 
The v (" write ", "succeed"); 
} 

} the catch (ModbusTransportException e) {
e.printStackTrace(); 
} the finally {
Master. Destroy (); 
} 
} 

}). The start (); 

} 


Private Boolean initModbus () {
ModbusFactory factory=new ModbusFactory (); 
IpParameters params=new IpParameters (); 
//set the IP address and port number 
SharedPreferences SharedPreferences=getActivity (). GetSharedPreferences (" System ", 0); 
String IP=sharedPreferences. Get String (" IP ", "192.168.1.21"); 
If (IP==null) {
Toast. MakeText (getActivity (), "not set the IP, please set the IP, Toast. LENGTH_LONG), show (); 
return false; 
} 
Params. SetHost (IP); 
Params. SetPort (502); 
//params. SetEncapsulated (false); 
//create ModbusMaster and set the timeout 
Master=factory. CreateTcpMaster (params, true); 
Master. The setTimeout (2000); 
Master. SetRetries (1); 

Try {
Master. The init (); 
return true; 
} the catch (Exception e) {
The e (" modbus ", "exception:" + e. oString ()); 
return false; 
} 
} 

https://download.csdn.net/download/qq_33813665/10024698