diff --git a/Controller/wheatController.lua b/Controller/wheatController.lua
index 7856e41..724e45b 100644
--- a/Controller/wheatController.lua
+++ b/Controller/wheatController.lua
@@ -1,3 +1,13 @@
+wheatController = {}
+
+function wheatController:new(t)
+    t = t or {}
+    setmetatable(t, self)
+    self.__index = self
+    return t
+end
+
+
 function toMatrix(str)
     local matrix = {}
     assert(type(str) == "string")
@@ -10,10 +20,27 @@ function toMatrix(str)
 
     str = str:sub(2, len - 1)
     len = len - 2
-
-    if(str:sub(1,1) == "{") then
-        
+    if ob = 1 then
+        return toArray(str)
+    else
+        local level = 0
+        local lastC = 0
+        for i = 1, len do
+            local c = str:sub(i,i)
+            if c == "{" then
+                level = level + 1
+            elseif c == "}" then
+                level = level - 1
+            elseif c == "," then
+                if level == 0 then
+                    matrix[#matrix+1] = toMatrix(str:sub(lastC + 1, i - 1))
+                    lastC = i
+                end
+            end
+        end
+        return matrix
     end
+        
 end
 
 function toArray(str)
@@ -30,4 +57,23 @@ function toArray(str)
         arr[#arr+1] = str
     end
     return arr
+end
+
+function wheatController:sendMessage(id, message, protocol)
+    rednet.send(id, message, protocol)
+    local id2, message2 = rednet.receive("received", 1)
+    return message == message2
+end
+
+function wheatController:doAction(id, message, protocol)
+    self:sendMessage(id, message, protocol)
+    local id2, message2, protocol2
+    repeat
+        id2, message2, protocol2 = rednet.receive()
+    until id2 == id
+    return protocol2 == "confirm", message2
+end
+
+function wheatController:setSlaveID(id)
+    self.slaveID = id
 end
\ No newline at end of file