Check the slave argument

stephane · Apr 22, 2011 · d9b593c · d9b593c
1 parent 10a2311
commit d9b593c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Modbusino.cpp b/Modbusino.cpp
@@ -63,7 +63,9 @@ static uint16_t crc16(uint8_t *req, uint8_t req_length)
 }
 
 ModbusinoSlave::ModbusinoSlave(uint8_t slave) {
-    _slave = slave;
+    if (slave >= 0 & slave <= 247) {
+	_slave = slave;
+    }
 }
 
 void ModbusinoSlave::setup(long baud) {