CN104640151A - Wireless management method for sensor - Google Patents

Abstract

The invention provides a wireless management method for a sensor. The wireless management method comprises the following steps: on the basis of a manager which is composed of a data input interface, a microprocessor and a wireless communication module, receiving sensor data by the data input interface; processing the sensor data by the microprocessor, encapsulating and transmitting the sensor data through the wireless communication module; monitoring whether a serial port of the wireless communication module receives data or not by the microprocessor; if UDP (user datagram protocol) data exist, receiving and processing the data; if no data exist, executing network connection monitoring and connecting a network. According to the wireless management method for the sensor provided by the invention, the problem of difficulty in sensor network access is solved by a wireless communication technology and an embedded technology; the cost is low; data are encapsulated into a uniform format; integration and application of a system are facilitated.

Description

A kind of sensor wireless management method

Technical field

The present invention relates to wireless communication technology field, particularly a kind of sensor wireless management method.

Background technology

At present, market does not have special sensor wireless management equipment, transducer wants access network to pass through gateway device, gateway has data acquisition and management function, can connect transducer, be forwarded by processor to after data processing, the communication mode of gateway can be wireless or wired.But the design of gateway is complicated, and equipment cost is high, and due to the standard disunity of gateway, cause the wasting of resources, and inconvenience that is integrated and application, therefore, limit application and the popularization of product.

Summary of the invention

The present invention proposes a kind of sensor wireless management method, utilizes wireless communication technology and embedded technology, solves the problem of sensor network access, and with low cost, encapsulates data as unified form, facilitates the Integration and application of system.

Technical scheme of the present invention is achieved in that

A kind of sensor wireless management method, based on the manager be made up of Data Input Interface, microprocessor and wireless communication module,

Data Input Interface receiving sensor data;

Microprocessor processes sensing data and encapsulates sensing data, is sent by wireless communication module;

Whether microprocessor also monitoring wireless communication module serial ports has data receiver, if there is UDP message, carries out reception and the process of data, if do not have data, performs network and connects monitoring, interconnection network.

Alternatively, microprocessor processes sensing data and the step encapsulated sensing data, be specially: microprocessor is intercepted the data that Data Input Interface receives, data are judged whether, and carry out data acquisition, microprocessor, to the unified form being packaged into standard of the data of the different input modes collected, sends sensing data to wireless communication module, reset reception pointer.

Alternatively, microprocessor sends the step of sensing data to wireless communication module, is specially: first, prepares data; Then, calculate and fill in CRC inspection, calculated data length; Finally, call and send function transmission data, return after completing transfer of data.

Alternatively, microprocessor receives the step of radio communication mold blocks of data, is specially:

Step one, closes and interrupts;

Step 2, determines whether receive interruption, if so, then and receiving flag position RIO clear 0;

Step 3, judges whether receiving flag mode bit RECEIVE FLAG is 0;

If RECEIVE FLAG position is 0, judge whether buffered data SBUF0 is 0x7e, be then RECEIVE FLAG position 1, reception buffer zone pointer initialization, carries out step 4;

If RECEIVE FLAG position is not 0, judge whether SBUF0 is 0x7e;

If SBUF0 is 0x7e, judge whether current pointer is reception buffer zone first address, be not then RECEIVE FLAG position clear 0, finish receiving mode bit PPP_Rec_Complete and put 1, carry out step 4;

If SBUF0 is not 0x7e, judge whether data receiver pointer flag bit ADDING Flag is 1;

If ADDING Flag position is 1, by the data received and 0x20 step-by-step phase with after be stored into reception buffer zone, data store pointer mark P ADDING Flag clear 0, and reception buffer zone pointer adds 1, carries out step 4;

If ADDING Flag position is not 1, that judge whether to receive is 0x7d;

If what receive is 0x7d, PADDING Flag position 1, carry out step 4;

If that receive is not 0x7d, the data received are stored into reception buffer zone, reception buffer zone pointer adds 1, carries out step 4;

Step 4, opens interruption;

Step 5, terminates.

The invention has the beneficial effects as follows:

(1) problem of sensor network access is solved, and with low cost;

(2) encapsulate data as unified form, facilitate the Integration and application of system.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the control block diagram of radio management method system platform of the present invention;

Fig. 2 is the flow chart that the present invention processes input data and encapsulates;

Fig. 3 is that microprocessor of the present invention sends data flowchart to wireless communication module;

Fig. 4 is that microprocessor of the present invention is from wireless communication module receiving data stream journey figure.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

As shown in Figure 1, method of the present invention is based on the manager system platform be made up of Data Input Interface, microprocessor and wireless communication module, and this manager provides supply of electric power by power module.Such as microprocessor can be cortex32 microprocessor, wireless communication module is wifi/zigbee wireless communication module, above-mentioned microprocessor and choosing of wireless communication module are only schematic, and those skilled in the art can choose according to the needs of design.

Based on above-mentioned manager, sensor wireless management method of the present invention comprises the following steps: Data Input Interface receiving sensor data, and above-mentioned Data Input Interface can complete the access of the sensing datas such as analog quantity, digital quantity and RS232 or RS485; Microprocessor processes sensing data and encapsulates sensing data, is sent by wireless communication module; Whether microprocessor also monitoring wireless communication module serial ports has data receiver, if there is UDP message, carries out reception and the process of data, if do not have data, performs network and connects monitoring, interconnection network.

Be described in detail below in conjunction with accompanying drawing each step to sensor wireless management method of the present invention.

As shown in Figure 2, microprocessor processes sensing data and the step encapsulated sensing data, be specially: microprocessor is intercepted the data that Data Input Interface receives, data are judged whether, and carry out data acquisition, microprocessor, to the unified form being packaged into standard of the data of the different input modes collected, sends sensing data to wireless communication module, reset reception pointer.Method of the present invention, by unified for the various nonstandard data form being packaged into standard, eliminates upper computer software developer to the concern of bottom and exploitation, substantially increases the efficiency of transfer of data.

As shown in Figure 3, microprocessor sends the step of sensing data to wireless communication module, is specially: first, prepares data; Then, calculate and fill in CRC inspection, calculated data length; Finally, call and send function transmission data, return after completing transfer of data.Method of the present invention completes uploading of local sensor supplemental characteristic by above-mentioned steps, user can remote inquiry local sensor parameter, further increase the efficiency of transfer of data, save time and transmission equipment, while saving transmission equipment, improve the reliability of transfer of data.

As shown in Figure 4, microprocessor receives the step of radio communication mold blocks of data, is specially:

Step one, closes and interrupts;

Step 2, determines whether receive interruption, if so, then and receiving flag position RIO clear 0;

Step 3, judges whether receiving flag mode bit RECEIVE FLAG is 0;

If RECEIVE FLAG position is 0, judge whether buffered data SBUF0 is 0x7e, be then RECEIVE FLAG position 1, reception buffer zone pointer initialization, carries out step 4;

If RECEIVE FLAG position is not 0, judge whether SBUF0 is 0x7e;

If SBUF0 is 0x7e, judge whether current pointer is reception buffer zone first address, be not then RECEIVE FLAG position clear 0, finish receiving mode bit PPP_Rec_Complete and put 1, carry out step 4;

If SBUF0 is not 0x7e, judge whether data receiver pointer flag bit ADDING Flag is 1;

If ADDING Flag position is 1, by the data received and 0x20 step-by-step phase with after be stored into reception buffer zone, data store pointer mark P ADDING Flag clear 0, and reception buffer zone pointer adds 1, carries out step 4;

If ADDING Flag position is not 1, that judge whether to receive is 0x7d;

If what receive is 0x7d, PADDING Flag position 1, carry out step 4;

If that receive is not 0x7d, the data received are stored into reception buffer zone, reception buffer zone pointer adds 1, carries out step 4;

Step 4, opens interruption;

Step 5, terminates.

Sensor wireless management method of the present invention adopts embedded technology and wireless communication technology, CORTEX microprocessor and WIFI or zigbee chip is used to build system platform, with low cost, definite functions is exclusively used in the access of transducer and the smart machine of management; Sensing data is encapsulated as consolidation form, facilitates integrated and application.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (4)

1. a sensor wireless management method, based on the manager be made up of Data Input Interface, microprocessor and wireless communication module, is characterized in that,

Data Input Interface receiving sensor data;

Microprocessor processes sensing data and encapsulates sensing data, is sent by wireless communication module;

Whether microprocessor also monitoring wireless communication module serial ports has data receiver, if there is UDP message, carries out reception and the process of data, if do not have data, performs network and connects monitoring, interconnection network.

2. sensor wireless management method as claimed in claim 1, it is characterized in that, microprocessor processes sensing data and the step encapsulated sensing data, be specially: microprocessor is intercepted the data that Data Input Interface receives, judged whether data, and carried out data acquisition, microprocessor is to the unified form being packaged into standard of the data of the different input modes collected, sensing data is sent, reset reception pointer to wireless communication module.

3. sensor wireless management method as claimed in claim 2, is characterized in that, microprocessor sends the step of sensing data to wireless communication module, is specially: first, prepares data; Then, calculate and fill in CRC inspection, calculated data length; Finally, call and send function transmission data, return after completing transfer of data.

4. sensor wireless management method as claimed in claim 1, is characterized in that, microprocessor receives the step of radio communication mold blocks of data, is specially:

Step one, closes and interrupts;

Step 2, determines whether receive interruption, if so, then and receiving flag position RIO clear 0;

Step 3, judges whether receiving flag mode bit RECEIVE FLAG is 0;

If RECEIVE FLAG position is 0, judge whether buffered data SBUF0 is 0x7e, be then RECEIVE FLAG position 1, reception buffer zone pointer initialization, carries out step 4;

If RECEIVE FLAG position is not 0, judge whether SBUF0 is 0x7e;

If SBUF0 is 0x7e, judge whether current pointer is reception buffer zone first address, be not then RECEIVE FLAG position clear 0, finish receiving mode bit PPP_Rec_Complete and put 1, carry out step 4;

If SBUF0 is not 0x7e, judge whether data receiver pointer flag bit ADDING Flag is 1;

If ADDING Flag position is 1, by the data received and 0x20 step-by-step phase with after be stored into reception buffer zone, data store pointer mark P ADDING Flag clear 0, and reception buffer zone pointer adds 1, carries out step 4;

If ADDING Flag position is not 1, that judge whether to receive is 0x7d;

If what receive is 0x7d, PADDING Flag position 1, carry out step 4;

If that receive is not 0x7d, the data received are stored into reception buffer zone, reception buffer zone pointer adds 1, carries out step 4;

Step 4, opens interruption;

Step 5, terminates.