Method for converting, editing and modifying communication protocol

• US 20070121670A1
• Filed: 11/29/2005
• Published: 05/31/2007
• Est. Priority Date: 11/29/2005
• Status: Abandoned Application

• Current Assignee: Delta Electronics Incorporated
• Original Assignee: Delta Electronics Incorporated
• Inventors: Chen, Cheng
• Application Number:
  US11/288,351
• Publication Number:
  US 20070121670A1
• Time in Patent Office: Days
• US Class Current: 370/466
• CPC Class Codes: H04L 12/4625 Single bridge functionality, e.g. connection of two networks over a single bridge
• CPC Class Codes: H04L 69/08 Protocols for interworking; Protocol conversion

Abstract

A method for converting, editing and modifying communication protocol. A computer is connected to a plurality of communication protocol converting modules through a master bus. The plurality of communication protocol converting modules is connected to corresponding slave buses and each of the slave buses is connected to a plurality of devices. The communication protocol-converting module is capable of converting communication protocol, editing and modifying communication commands. The command protocols of the computer and the command protocols of the devices are stored in the communication protocol converting module, whereby the communication protocol converting module has capability for group communication to integrate each independent communication group.

Claims

1. A method for converting communication protocol used for a computer system, the computer system comprising a computer connected to a plurality of communication protocol conversion modules through a master bus, the communication protocol conversion modules connected to a plurality of devices through corresponding slave buses, the method comprising the steps of:

the computer initializing the communication protocol conversion modules through the master bus;

a communication protocol conversion module designated by the computer receiving a packet from the master bus;

the designated communication protocol conversion module converting the packet to a device packet, the device packet being data converted by the designated communication protocol conversion module;

the designated communication protocol conversion module sending the device packet to a designated device through a corresponding slave bus;

the designated communication protocol conversion module waiting a reply message from the designated device; and

the designated communication protocol conversion module converting the reply message to a computer-recognizable reply message and sending the computer-recognizable reply message to the computer through the master bus.

2. The method as claim 1, wherein the communication protocol conversion module is a differential-transmission based communication protocol conversion module and the differential-transmission based communication protocol conversion module comprises:

a micro controller converting a packet received from the master bus to a device packet and sending the device packer to corresponding slave bus, the micro controller converting the reply message from the slave bus to the computer-recognizable reply message and sending the computer-recognizable reply message to the master bus; and

a voltage regulator supplying electrical power to the micro controller.

3. The method as in claim 1, wherein when the computer initializes the communication protocol conversion modules through the master bus, the computer initializes a communication protocol conversion mode for each communication protocol conversion module according to an attribution of the device connected to the communication protocol conversion module through the corresponding slave bus.

4. The method as in claim 1, further comprising the step of idling the communication protocol conversion modules when the computer does not issue the packet.

5. The method as in claim 4, further comprising the steps of:

judging whether the computer sends the packet through the master bus;

when the computer does not send the packet through the master bus, the method is back to the step of idling the communication protocol conversion modules;

when the computer sends the packet through the master bus, the method proceeds to the step of a communication protocol conversion module designated by the computer receiving a packet from the master bus.

6. The method as in claim 4, further comprising the steps of:

judging whether the designated communication protocol conversion module finishes receiving the reply message from the slave bus;

when the designated communication protocol conversion module does not finish receiving the reply message from the slave bus, the method is back to the step of the designated communication protocol conversion module waiting a reply message from the designated device;

when the designated communication protocol conversion module finishes receiving the reply message from the slave bus, judging whether the reply message is correct;

when the reply message is not correct, the method is back to the step of idling the communication protocol conversion modules; and

when the reply message is correct, the method is back to the step of the designated communication protocol conversion module converting the reply message to a computer-recognizable reply message and sending the computer-recognizable reply message to the computer through the master bus.

7. The method as in claim 1, wherein the step of a communication protocol conversion module designated by the computer receiving a packet from the master bus further comprises following steps:

judging whether the communication protocol conversion module finishes receiving the packet;

when the communication protocol conversion module does not finish receiving the packet, the method is back to the step of a communication protocol conversion module designated by the computer receiving a packet from the master bus;

when the communication protocol conversion module finishes receiving the packet, the method is back to the step of the designated communication protocol conversion module converting the reply message to a computer-recognizable reply message and sending the computer-recognizable reply message to the computer through the master bus.

8. A method for editing and modifying a communication protocol used for a computer system, the computer system comprising a computer connected to a plurality of communication protocol conversion modules through a master bus, the communication protocol conversion modules connected to a plurality of devices through corresponding slave buses, the computer editing or modifying the communication protocol for the communication protocol conversion modules, the communication protocol conversion modules with the edited and modified communication protocol sending data conversion protocol of computer to the devices, the method comprising the steps of:

the computer initializing the communication protocol conversion modules through the master bus;

the communication protocol conversion modules waiting for commands issued from the computer;

one the communication protocol conversion modules sending a reply message to a display of the computer in response to the command issued from the computer;

the display showing a command prompt character for the communication protocol conversion module;

the communication protocol conversion modules waiting for an editing/modifying command issued from the computer;

judging whether the communication protocol conversion modules receiving an editing command issued from the computer;

when the communication protocol conversion module receiving an editing command issued from the computer, the computer sending a communication command protocol to the communication protocol conversion module for editing;

saving the communication command protocol to a storage unit of the communication protocol conversion module for editing;

when the communication protocol conversion module does not receive the modifying command issued from the computer, the method is back to the step of the communication protocol conversion modules waiting for an editing/modifying command issued from the computer;

when the communication protocol conversion modules receiving the modifying command issued from the computer;

selecting a communication protocol number to modify the communication protocol conversion module corresponding to the communication protocol number and requiring modification;

the communication protocol conversion module requiring modification outputting the communication command protocol to the computer;

the computer sending a modified communication command protocol to the communication protocol conversion module; and

storing the modified communication command protocol to the storage unit of the communication protocol conversion module.

9. The method as in claim 8, wherein the storage unit is a non-volatile memory.

10. The method as in claim 8, further comprising the steps of:

judging whether the communication protocol conversion module receiving a begin command from the computer;

when the communication protocol conversion module does not receive a begin command from the computer, the method is back the step of the communication protocol conversion modules waiting for commands issued from the computer;

when the communication protocol conversion module receives a begin command from the computer, the display of the computer shows a reply message sent to the computer from the communication protocol conversion module.

11. The method as in claim 8, further comprising the steps of:

judging whether the communication protocol conversion module requiring edit still needs edit;

when the communication protocol conversion module does not need edit, the method is back to the step of the communication protocol conversion modules waiting for an editing/modifying command issued from the computer;

when the communication protocol conversion module needs edit, the method is back to the step of storing the modified communication command protocol to the storage unit of the communication protocol conversion module.

12. The method as in claim 8, further comprising the steps of:

judging whether the communication command protocol needs modification;

when the communication command protocol needs not modification, the method is back to the step of the communication protocol conversion modules waiting for an editing/modifying command issued from the computer;

when the communication command protocol needs modification, the method is to the step of the computer sending a modified communication command protocol to the communication protocol conversion module;

judging whether the communication command protocol needs editing;

when the communication command protocol needing modification needs not editing, the method is back to the step of the communication protocol conversion modules waiting for an editing/modifying command issued from the computer;

when the communication command protocol needing modification needs editing, the method is to the step of storing the modified communication command protocol to the storage unit of the communication protocol conversion module.