CN1741524A - MINI TCP/IP protocol stack realizing method based on one chip processor short data pack receiving and transmitting - Google Patents
MINI TCP/IP protocol stack realizing method based on one chip processor short data pack receiving and transmitting Download PDFInfo
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- CN1741524A CN1741524A CN 200510047169 CN200510047169A CN1741524A CN 1741524 A CN1741524 A CN 1741524A CN 200510047169 CN200510047169 CN 200510047169 CN 200510047169 A CN200510047169 A CN 200510047169A CN 1741524 A CN1741524 A CN 1741524A
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Abstract
A mini TCP / IP protocol stack based on monolithic computer short data packet transceiving is a simplified mini TCP / IP protocol stack including PPP protocol layer , IP layer , UDP protocol layer and TCP protocol layer . It can be operated on normal 8 bit 51 series monolithic computer and It can be connected to remote communication host to set up normal TCP / UDP connection for carrying out stable short data packet transceiving with byte less than 500 .
Description
Technical field
The invention belongs to remote data communication control field, relate to the transfer of data and the single-chip microcomputer application of ICP/IP protocol stack in the network service.
Background technology
At the various device of many real-time control applications particularly in the mobile control device, short data newspaper transmitting-receiving based on TCP/IP (transmission control protocol/Internet Protocol) agreement is most widely used, but complicated ICP/IP protocol stack makes equipment cost increase considerably.
Summary of the invention
Purpose of the present invention just provides a kind ofly can move a kind of ICP/IP protocol stack of simplifying on common 8 51 series monolithics, to utilize Internet Network Transmission short data message, realize the Long-distance Control and the transfer of data of equipment.
The implementation method of a kind of SCM Based MINI TCP/IP, mainly be by realizing a kind of ICP/IP protocol stack of simplifying on the terminal equipment of forming by single-chip microcomputer 4 and communication module 51, this protocol stack is carried out by the common single-chip microcomputer in the terminal equipment 4, utilizes communication module 5 to set up TCP/IP through communication network 2 and telecommunication main frame 3 and is connected the line data transmission of going forward side by side.This MINI ICP/IP protocol stack mainly comprises ppp protocol layer, IP layer, udp layer, tcp protocol layer.Whole protocol stack can normally move on common 51 series monolithics, and this kind MINI ICP/IP protocol stack is fit to the data transmit-receive of the short packages of industrial remote control field≤500 bytes.Its connection procedure is as follows:
1. single-chip microcomputer 4 carries out self initial work,
2. detect and initialize communications module 5,
3. need to judge whether dialing, if turn to 4, if do not need dialing to turn to 7,
4. the LCP protocol negotiation of communication link configuration turns to 5 if consult configuration successful, otherwise turns to 2,
5. pap authentication is carried out in configuration according to LCP, if authentication success turns to 6, otherwise turns to 2,
6. obtain the IP address from authentication operator, turn to 7 if correctly obtain the IP address, otherwise turn to 2,
7. initiate connection request to telecommunication main frame 3, reply instruction and turn to 8 if receive connection request in the certain hour, otherwise turn to 2,
8. connect with telecommunication main frame 3
9. carry out transfer of data according to ICP/IP protocol,
10.TCP whether available, if turn to 9 to proceed data communication, otherwise turn to 2 if detecting connection.
In this simple MINI TCP/IP implementation method, comprise LCP bag configuration, pap authentication and NCP agreement in the ppp protocol layer, wherein the LCP bag includes only Async Control Character Map and Authentication Protocol, and Authentication Protocol has selected 0xc023 as configuration parameter.
In this simple MINI TCP/IP implementation method, in TCP/IP and the udp protocol, whole data packet length is controlled in 500 bytes.Flow control is not provided, the buffering area of suitable length only is provided,,, utilize the TCP/IP retransmission mechanism to ensure data integrity,, ensure data integrity by upper layer application protocol for udp protocol for ICP/IP protocol if any overflowing.Sliding window protocol adopts simple positive acknowledgement agreement, must postpone the transmission of next grouping before receiving the affirmation information of previous grouping.Cancel semi-closed state.Do not use icmp packet.
The beneficial effects of the utility model are to use simple 8 single-chip microcomputers to move this simple MINITCP/IP protocol stack.By the serial ports just directly long-range connection and the transfer of data of carrying out property data.Native system has that size of code is little, real-time is high, low cost and other advantages, can be widely used in the various teledatas control communications.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is that the utility model terminal equipment and telecommunication main frame carry out the network service schematic diagram.
Fig. 2 utilizes the utility model to carry out the ICP/IP protocol communication flow diagram.
Embodiment
The following configuration of LCP configuration data connects:
Send:
7E?FF?7D?23?C0?21?7D?21?7D?21?7D?20?7D?2A?7D?22?7D?26?7D?20?7D?2A?7D?20?7D?20?22?7D?28?7E
7E?FF?7D?23?C0?21?7D?21?7D?22?7D?20?7D?2A?7D?22?7D?26?7D?20?7D?2A?7D?20?7D?20?25?DE?7E
7E?FF?7D?23?C0?21?7D?24?7D?21?7D?20?7D?28?7D?21?7D?24?7D?25?DC?30?56?7E
7E?FF?7D?23?C0?21?7D?22?7D?22?7D?20?7D?32?7D?22?7D?26?7D?20?7D?20?7D?20?7D?20?7D?27?7D?227D?28?7D?22?7D?23?7D?24?C0?23?CD?36?7E
Receive:
7E?FF?7D?23?C0?21?7D?21?7D?21?7D?20?7D?36?7D?21?7D?24?7D?25?DC?7D?22?7D?26?7D?20?7D?20?7D20?7D?20?7D?27?7D?22?7D?28?7D?22?7D?23?7D?24?C0?23?26?B4?7E
7E?FF?7D?23?C0?21?7D?22?7D?21?7D?20?7D?2A?7D?22?7D?26?7D?20?7D?2A?7D?20?7D?20?4B?7C?7E
7E?FF?7D?23?C0?21?7D?22?7D?22?7D?20?7D?2A?7D?22?7D?26?7D?20?7D?2A?7D?20?7D?20?4C?AA?7E
7E?FF?7D?23?C0?21?7D?21?7D?21?7D?20?7D?36?7D?21?7D?24?7D?25?DC?7D?22?7D?26?7D?20?7D?20?7D20?7D?20?7D?27?7D?22?7D?28?7D?22?7D?23?7D?24?C0?23?26?B4?7E
7E?FF?7D?23?C0?21?7D?21?7D?22?7D?20?7D?32?7D?22?7D?26?7D?20?7D?20?7D?20?7D?20?7D?27?7D?227D?287D?227D?237D?24?C0?23?F5?37?7E
The PAP configuration data is as follows:
Send:
7E?FF?7D?23?C0?23?7D?21?7D?23?7D?20?7D?24?E1?7D?36?7E
Receive:
7E?FF?7D?23?C0?23?7D?22?7D?23?7D?20?7D?2D?7D?28?57?65?6C?63?6F?6D?65?21?BF?5D?7E
The configuration data of IPCP bag is as follows:
Send:
7E?FF?7D?23?80?21?7D?21?7D?24?7D?20?7D?2A?7D?23?7D?26?7D?20?7D?20?7D?20?7D?20?7D?2B?5A?7E
7E?FF?7D?23?80?21?7D?22?7D?21?7D?20?7D?2A?7D?23?7D?26?C0?A8?6F?6F?DA?D3?7E
7E?FF?7D?23?80?21?7D?21?7D?25?7D?20?7D?2A?7D?23?7D?26?7D?20?7D?20?7D?20?7D?20?F6?7D?37?7E
7E?FF?7D?23?80?21?7D?21?7D?25?7D?20?7D?2A?7D?23?7D?26?7D?2A?30?22?52?E2?2C?7E
Receive:
7E?FF?7D?23?80?21?7D?21?7D?21?7D?20?7D?2A?7D?23?7D?26?C0?A8?6F?6F?B3?A7?7E
7E?FF?7D?23?80?21?7D?23?7D?24?7D?20?7D?2A?7D?23?7D?26?7D?2A?30?22?52?51?39?7E
7E?FF?7D?23?80?21?7D?23?7D?25?7D?20?7D?2A?7D?23?7D?26?7D?2A?30?22?52?AC?74?7E
7E?FF?7D?23?80?21?7D?22?7D?25?7D?20?7D?2A?7D?23?7D?26?7D?2A?30?22?52?8B?58?7E
It is as follows that TCP sets up link data:
Send:
7E?FF?03?00?21?45?00?00?2F?00?00?00?00?FF?06?E6?2D?0A?30?20?53?DA?3D?D0?DA?7D?33?88?7D?33?8A00?7D?5D?33?00?00?00?00?00?60?02?02?00?67?AA?00?00?02?04?01?00?03?03?00?0B?1B?7E
Receive:
7E?FF?03?00?21?45?00?00?2C?6A?3A?40?00?72?06?C8?F6?DA?3D?D0?DA?0A?30?20?53?7D?33?8A?7D?33?8865?2F?2B?A5?00?7D?5D?33?01?60?12?FF?FF?D7?66?00?00?02?04?05?64?24?7A?7E
Send:
7E?FF?03?00?21?45?00?00?28?00?01?00?00?FF?06?E6?33?0A?30?20?53?DA?3D?D0?DA?7D?33?88?7D?33?8A?00?7D5D?33?01?65?2F?2B?A6?50?10?02?00?EC?D3?00?00?EB?91?7E
Claims (3)
1. implementation method based on the MINI ICP/IP protocol stack of single-chip microcomputer short packages transmitting-receiving, it is characterized in that, be to realize a kind of ICP/IP protocol stack of simplifying by going up at terminal equipment (1), this protocol stack is carried out by the common single-chip microcomputer (4) in the terminal equipment, utilizes communication module (5) to set up TCP/IP through communication network (2) and telecommunication main frame (3) and is connected the line data transmission of going forward side by side; MINI ICP/IP protocol stack mainly comprises ppp protocol layer, IP layer, udp layer, tcp protocol layer; Whole protocol stack can normally move on common 51 series monolithics, and this kind MINI ICP/IP protocol stack is fit to the data transmit-receive of the short packages of industrial remote control field≤500 bytes; Its connection procedure is as follows:
1. single-chip microcomputer (4) carries out self initial work,
2. detect and initialize communications module (5),
3. need to judge whether dialing, if turn to 4, if do not need dialing to turn to 7,
4. the LCP protocol negotiation of communication link configuration turns to 5 if consult configuration successful, otherwise turns to 2,
5. pap authentication is carried out in configuration according to LCP, if authentication success turns to 6, otherwise turns to 2,
6. obtain the IP address from authentication operator, turn to 7 if correctly obtain the IP address, otherwise turn to 2,
7. initiate connection request to telecommunication main frame (3), reply instruction and turn to 8 if receive connection request in the certain hour, otherwise turn to 2,
8. connect with telecommunication main frame (3)
9. carry out transfer of data according to ICP/IP protocol,
10.TCP whether available, if turn to 9 to proceed data communication, otherwise turn to 2 if detecting connection.
2. the implementation method of a kind of MINI ICP/IP protocol stack based on single-chip microcomputer short packages transmitting-receiving according to claim 1, it is characterized in that, comprise LCP bag configuration, pap authentication and NCP agreement in the ppp protocol layer, wherein the LCP bag includes only Async Control Character Map and Authentication Protocol, and Authentication Protocol has selected 0xc023 as configuration parameter.
3. the implementation method of a kind of MINI ICP/IP protocol stack based on single-chip microcomputer short packages transmitting-receiving according to claim 1 is characterized in that in the ICP/IP protocol, whole data packet length is controlled in 500 bytes; The buffering area of suitable length is provided,,, utilizes the TCP/IP retransmission mechanism to ensure data integrity,, ensure data integrity by upper layer application protocol for udp protocol for ICP/IP protocol if any overflowing; Sliding window protocol adopts simple positive acknowledgement agreement, must postpone the transmission of next grouping before receiving the affirmation information of previous grouping; Cancel semi-closed state; Do not use icmp packet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100471693A CN100367741C (en) | 2005-09-06 | 2005-09-06 | MINI TCP/IP protocol stack realizing method based on one chip processor short data pack receiving and transmitting |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100471693A CN100367741C (en) | 2005-09-06 | 2005-09-06 | MINI TCP/IP protocol stack realizing method based on one chip processor short data pack receiving and transmitting |
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| CN1741524A true CN1741524A (en) | 2006-03-01 |
| CN100367741C CN100367741C (en) | 2008-02-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247304B (en) * | 2008-03-21 | 2011-01-26 | 清华大学 | Plug and play method of family wireless control network |
| CN101714911B (en) * | 2009-11-11 | 2013-06-12 | 北京交控科技有限公司 | Communication-based data communication method of train operation control system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7142565B2 (en) * | 2002-02-21 | 2006-11-28 | Qualcomm, Incorporated | Method and apparatus for radio link control of signaling messages and short messages data services in a communication system |
| CN2558012Y (en) * | 2002-08-02 | 2003-06-25 | 鸿富锦精密工业（深圳）有限公司 | TCP/IP protocol supported signal collector |
| CN2603582Y (en) * | 2003-03-31 | 2004-02-11 | 青岛中天信息技术有限公司 | Wireless data communication card |
-
2005
- 2005-09-06 CN CNB2005100471693A patent/CN100367741C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247304B (en) * | 2008-03-21 | 2011-01-26 | 清华大学 | Plug and play method of family wireless control network |
| CN101714911B (en) * | 2009-11-11 | 2013-06-12 | 北京交控科技有限公司 | Communication-based data communication method of train operation control system |
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| Publication number | Publication date |
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| CN100367741C (en) | 2008-02-06 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20150906 |
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