Yoctopuce Yocto-RS485-V2 Mode D'emploi page 177

NSError *error;
char cmd[50] = {0};
@autoreleasepool {
// Setup the API to use local USB devices
if([YAPI RegisterHub:@"usb": &error] != YAPI_SUCCESS) {
NSLog(@"RegisterHub error:
return 1;
}
YSerialPort *serialPort;
if (argc > 1) {
NSString
serialPort =
} else {
serialPort =
if (serialPort
NSLog(@"No module connected (check USB
return 1;
}
}
int slave, reg, val;
do {
NSLog(@"Please enter the MODBUS slave address
NSLog(@"Slave:
fgets(cmd, sizeof(cmd), stdin);
slave = atoi(cmd);
} while(slave <
do {
NSLog(@"Please select a Coil No (>=1), Input Bit No
NSLog(@"
NSLog(@"No:
fgets(cmd, sizeof(cmd), stdin);
reg = atoi(cmd);
} while(reg <
while(true) {
if(reg >= 40001) {
val = (int)[[[serialPort modbusReadRegisters:slave :reg
]
} else if(reg
val = (int)[[[serialPort modbusReadInputRegisters:slave :reg
objectAtIndex:0]
} else if(reg
val = (int)[[[serialPort modbusReadInputBits:slave :reg
]
} else {
val = (int)[[[serialPort modbusReadBits:slave :reg
integerValue];
}
NSLog(@"Current value: %d"
NSLog(@"Press R to read again, Q to
if((reg % 30000)
NSLog(@" or enter a new
}
NSLog(@": ");
fgets(cmd, sizeof(cmd), stdin);
if(cmd[0] ==
if (cmd[0] !=
val = atoi(cmd);
if(reg >= 30001) {
[serialPort modbusWriteRegister:slave :reg
} else {
[serialPort modbusWriteBit:slave :reg
}
}
}
[YAPI FreeAPI];
}
return 0;
}
www.yoctopuce.com
%@", [error localizedDescription]);
*target = [NSString
[YSerialPort FindSerialPort:target];
[YSerialPort FirstSerialPort];
== NULL) {
");
1 || slave > 255);
Register No (>=30001) or Input Register No
");
1 || reg >= 50000 || (reg
integerValue];
>= 30001) {
integerValue];
>= 10001) {
integerValue];
, val );
< 10000) {
value");
'q' || cmd[0] == 'Q')
'r' && cmd[0] != 'R'
21. Utilisation du Yocto-RS485-V2 en Objective-C
stringWithUTF8String:argv[1]];
cable)");
(1...255)");
(>=10001+),");
% 10000) == 0);
-
quit");
break;
&& (reg % 30000) <
- 30001
- 1 :val];
(>=40001)");
- 40001 :1] objectAtIndex:0
- 30001 :1]
- 10001 :1] objectAtIndex:0
1 :1] objectAtIndex:0]
10000) {
:val];
169