public static byte[] queryDeviceVariable(int var_number) {
String req = "02 52 vn 10 03";
byte[] message = PrimareUtils.hexStringToByteArray(req.replaceAll(" ", "").toLowerCase());
message[2] = (byte) var_number;
logger.trace(
String.format(
"PrimareSPA20Message.queryDeviceVariable %d (0x%02x), msg: %s",
var_number, var_number, PrimareUtils.byteArrayToHex(message)));
return message;
}
public static byte[] setDeviceVariable(int var_number, byte var_value) {
String req = "02 57 vn vv 10 03";
byte[] message = PrimareUtils.hexStringToByteArray(req.replaceAll(" ", "").toLowerCase());
message[2] = (byte) (var_number | 0x80); // OR with 0x80 required when setting variable
message[3] = var_value;
logger.debug(
String.format(
"PrimareSPA20Message.setDeviceVariable %d (0x%02x) = %d (0x%02x), msg: %s",
var_number, var_number, var_value, var_value, PrimareUtils.byteArrayToHex(message)));
return message;
}