Improved error handling

diff --git a/client/read14a.lua b/client/read14a.lua
index e9f9851fea97651f9e6c1939b7126e13b7e1166f..1d66057c6c9233a636d2e4eccf76cbf1ccdd1d9a 100644 (file)
--- a/client/read14a.lua
+++ b/client/read14a.lua
@@ -74,7 +74,11 @@ local library = {
                command = Command:new{cmd = cmds.CMD_READER_ISO_14443a, 
                                                                        arg1 = ISO14A_COMMAND.ISO14A_CONNECT}
 
                command = Command:new{cmd = cmds.CMD_READER_ISO_14443a, 
                                                                        arg1 = ISO14A_COMMAND.ISO14A_CONNECT}
 

-               core.SendCommand(command:getBytes())
+               err = core.SendCommand(command:getBytes())
+               if err then
+                       print(err)
+                       return nil, err
+               end

                local result = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
                if result then
                        local count,cmd,arg0,arg1,arg2 = bin.unpack('LLLL',result)
                local result = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
                if result then
                        local count,cmd,arg0,arg1,arg2 = bin.unpack('LLLL',result)