Support up to 8 MOD-IOs.

coupler/mod_io_i2c.h

@@ -8,8 +8,8 @@ static char *DEFAULT_I2C_0_ADDR = "0x58";
 // the list of attached I2C slaves
 const int DEFAULT_I2C_SLAVE_ADDR = 0x58;
 
-// XXX:code assumes only 2 I2C slaves but it can be more
-int I2C_SLAVE_ADDR_LIST[] = {0, 0};
+// XXX:code assumes only 8 I2C slaves but it can be up to 127
+int I2C_SLAVE_ADDR_LIST[] = {0, 0, 0, 0, 0, 0, 0, 0};
 
 // the block device at host machine
 static char *DEFAULT_I2C_BLOCK_DEVICE_NAME = "/dev/i2c-1";

coupler/mod_io_opc_ua.h

@@ -99,6 +99,102 @@ static void addVariable(UA_Server *server)
         addUIntegerVariableReadNode(server, "i2c1.ain2", "I2C1 / Analog Input 2");
         addUIntegerVariableReadNode(server, "i2c1.ain3", "I2C1 / Analog Input 3");
     }
+    if (length >= 3)
+    {
+        // IC2-2
+        addIntegerVariableNode(server, "i2c2.relay0", "I2C2 / Relay 0");
+        addIntegerVariableNode(server, "i2c2.relay1", "I2C2 / Relay 1");
+        addIntegerVariableNode(server, "i2c2.relay2", "I2C2 / Relay 2");
+        addIntegerVariableNode(server, "i2c2.relay3", "I2C2 / Relay 3");
+        addBooleanVariableReadNode(server, "i2c2.in0", "I2C2 / Digital Input 0");
+        addBooleanVariableReadNode(server, "i2c2.in1", "I2C2 / Digital Input 1");
+        addBooleanVariableReadNode(server, "i2c2.in2", "I2C2 / Digital Input 2");
+        addBooleanVariableReadNode(server, "i2c2.in3", "I2C2 / Digital Input 3");
+        addUIntegerVariableReadNode(server, "i2c2.ain0", "I2C2 / Analog Input 0");
+        addUIntegerVariableReadNode(server, "i2c2.ain1", "I2C2 / Analog Input 1");
+        addUIntegerVariableReadNode(server, "i2c2.ain2", "I2C2 / Analog Input 2");
+        addUIntegerVariableReadNode(server, "i2c2.ain3", "I2C2 / Analog Input 3");
+    }
+    if (length >= 4)
+    {
+        // IC2-3
+        addIntegerVariableNode(server, "i2c3.relay0", "I2C3 / Relay 0");
+        addIntegerVariableNode(server, "i2c3.relay1", "I2C3 / Relay 1");
+        addIntegerVariableNode(server, "i2c3.relay2", "I2C3 / Relay 2");
+        addIntegerVariableNode(server, "i2c3.relay3", "I2C3 / Relay 3");
+        addBooleanVariableReadNode(server, "i2c3.in0", "I2C3 / Digital Input 0");
+        addBooleanVariableReadNode(server, "i2c3.in1", "I2C3 / Digital Input 1");
+        addBooleanVariableReadNode(server, "i2c3.in2", "I2C3 / Digital Input 2");
+        addBooleanVariableReadNode(server, "i2c3.in3", "I2C3 / Digital Input 3");
+        addUIntegerVariableReadNode(server, "i2c3.ain0", "I2C3 / Analog Input 0");
+        addUIntegerVariableReadNode(server, "i2c3.ain1", "I2C3 / Analog Input 1");
+        addUIntegerVariableReadNode(server, "i2c3.ain2", "I2C3 / Analog Input 2");
+        addUIntegerVariableReadNode(server, "i2c3.ain3", "I2C3 / Analog Input 3");
+    }
+    if (length >= 5)
+    {
+        // IC2-4
+        addIntegerVariableNode(server, "i2c4.relay0", "I2C4 / Relay 0");
+        addIntegerVariableNode(server, "i2c4.relay1", "I2C4 / Relay 1");
+        addIntegerVariableNode(server, "i2c4.relay2", "I2C4 / Relay 2");
+        addIntegerVariableNode(server, "i2c4.relay3", "I2C4 / Relay 3");
+        addBooleanVariableReadNode(server, "i2c4.in0", "I2C4 / Digital Input 0");
+        addBooleanVariableReadNode(server, "i2c4.in1", "I2C4 / Digital Input 1");
+        addBooleanVariableReadNode(server, "i2c4.in2", "I2C4 / Digital Input 2");
+        addBooleanVariableReadNode(server, "i2c4.in3", "I2C4 / Digital Input 3");
+        addUIntegerVariableReadNode(server, "i2c4.ain0", "I2C4 / Analog Input 0");
+        addUIntegerVariableReadNode(server, "i2c4.ain1", "I2C4 / Analog Input 1");
+        addUIntegerVariableReadNode(server, "i2c4.ain2", "I2C4 / Analog Input 2");
+        addUIntegerVariableReadNode(server, "i2c4.ain3", "I2C4 / Analog Input 3");
+    }
+    if (length >= 6)
+    {
+        // IC2-5
+        addIntegerVariableNode(server, "i2c5.relay0", "I2C5 / Relay 0");
+        addIntegerVariableNode(server, "i2c5.relay1", "I2C5 / Relay 1");
+        addIntegerVariableNode(server, "i2c5.relay2", "I2C5 / Relay 2");
+        addIntegerVariableNode(server, "i2c5.relay3", "I2C5 / Relay 3");
+        addBooleanVariableReadNode(server, "i2c5.in0", "I2C5 / Digital Input 0");
+        addBooleanVariableReadNode(server, "i2c5.in1", "I2C5 / Digital Input 1");
+        addBooleanVariableReadNode(server, "i2c5.in2", "I2C5 / Digital Input 2");
+        addBooleanVariableReadNode(server, "i2c5.in3", "I2C5 / Digital Input 3");
+        addUIntegerVariableReadNode(server, "i2c5.ain0", "I2C5 / Analog Input 0");
+        addUIntegerVariableReadNode(server, "i2c5.ain1", "I2C5 / Analog Input 1");
+        addUIntegerVariableReadNode(server, "i2c5.ain2", "I2C5 / Analog Input 2");
+        addUIntegerVariableReadNode(server, "i2c5.ain3", "I2C5 / Analog Input 3");
+    }
+    if (length >= 7)
+    {
+        // IC2-6
+        addIntegerVariableNode(server, "i2c6.relay0", "I2C6 / Relay 0");
+        addIntegerVariableNode(server, "i2c6.relay1", "I2C6 / Relay 1");
+        addIntegerVariableNode(server, "i2c6.relay2", "I2C6 / Relay 2");
+        addIntegerVariableNode(server, "i2c6.relay3", "I2C6 / Relay 3");
+        addBooleanVariableReadNode(server, "i2c6.in0", "I2C6 / Digital Input 0");
+        addBooleanVariableReadNode(server, "i2c6.in1", "I2C6 / Digital Input 1");
+        addBooleanVariableReadNode(server, "i2c6.in2", "I2C6 / Digital Input 2");
+        addBooleanVariableReadNode(server, "i2c6.in3", "I2C6 / Digital Input 3");
+        addUIntegerVariableReadNode(server, "i2c6.ain0", "I2C6 / Analog Input 0");
+        addUIntegerVariableReadNode(server, "i2c6.ain1", "I2C6 / Analog Input 1");
+        addUIntegerVariableReadNode(server, "i2c6.ain2", "I2C6 / Analog Input 2");
+        addUIntegerVariableReadNode(server, "i2c6.ain3", "I2C6 / Analog Input 3");
+    }
+    if (length >= 8)
+    {
+        // IC2-7
+        addIntegerVariableNode(server, "i2c7.relay0", "I2C7 / Relay 0");
+        addIntegerVariableNode(server, "i2c7.relay1", "I2C7 / Relay 1");
+        addIntegerVariableNode(server, "i2c7.relay2", "I2C7 / Relay 2");
+        addIntegerVariableNode(server, "i2c7.relay3", "I2C7 / Relay 3");
+        addBooleanVariableReadNode(server, "i2c7.in0", "I2C7 / Digital Input 0");
+        addBooleanVariableReadNode(server, "i2c7.in1", "I2C7 / Digital Input 1");
+        addBooleanVariableReadNode(server, "i2c7.in2", "I2C7 / Digital Input 2");
+        addBooleanVariableReadNode(server, "i2c7.in3", "I2C7 / Digital Input 3");
+        addUIntegerVariableReadNode(server, "i2c7.ain0", "I2C7 / Analog Input 0");
+        addUIntegerVariableReadNode(server, "i2c7.ain1", "I2C7 / Analog Input 1");
+        addUIntegerVariableReadNode(server, "i2c7.ain2", "I2C7 / Analog Input 2");
+        addUIntegerVariableReadNode(server, "i2c7.ain3", "I2C7 / Analog Input 3");
+    }
 }
 
 /* Connect to variables to physical relays