CN114333285A - An infrared database code analysis system and method - Google Patents

Abstract

The application relates to an infrared database code analysis system and a method, which comprises an infrared acquisition module, a master control module, a serial port communication module and a decoding module; the infrared acquisition module is used for acquiring different infrared remote control signals sent by the infrared signal transmitter; the main control module is coupled with the infrared acquisition module and outputs serial data to the serial port communication module when receiving the infrared remote control signal; the serial port communication module is coupled to the main control module and used for forwarding the serial data to the decoding module when receiving the serial signal; and the decoding module is coupled with the serial port communication module, acquires infrared waveform data in the serial data when receiving the serial data, and outputs infrared coded data. The method and the device have the advantages that different infrared codes are conveniently decoded, and the development efficiency is improved.

Description

An infrared database code analysis system and method

technical field

The present application relates to the technical field of infrared remote control, and in particular, to an infrared database coding analysis system and method.

Background technique

Remote control technology, also known as remote control technology, refers to the realization of remote control of the controlled target, and is widely used in the fields of industrial control, aerospace, and home appliances.

The infrared signal transmitter generates pulse code, and the infrared remote control receiver receives the modulated remote control signal, and through pre-amplification, limit amplification, band-pass filtering, peak detection and waveform shaping, demodulates the opposite phase of the input remote control signal. Remote control pulse coding to realize infrared remote control.

However, the pulse codes corresponding to different remote control functions are different. In terms of production, decoding a large number of infrared codes is undoubtedly a more complicated and tedious work, which reduces the efficiency of development, so it needs to be improved.

SUMMARY OF THE INVENTION

In order to facilitate decoding of different infrared codes and improve development efficiency, the present application provides an infrared database code analysis system and method.

The above-mentioned invention purpose one of the present application is achieved through the following technical solutions:

An infrared database coding analysis system, comprising an infrared acquisition module, a main control module, a serial communication module and a decoding module;

The infrared acquisition module is used to collect different infrared remote control signals sent by the infrared signal transmitter;

The main control module is coupled to the infrared acquisition module to output serial data to the serial communication module when receiving the infrared remote control signal;

a serial communication module, coupled to the main control module to forward the serial data to the decoding module when receiving the serial signal;

The decoding module is coupled to the serial port communication module, and when receiving serial data, obtains infrared waveform data in the serial data, and outputs infrared encoded data.

By adopting the above technical solution, the infrared acquisition module collects and receives different infrared remote control signals, that is, remote control signals with different waveforms, and sends the remote control signals to the main control module, which transmits the remote control signals to the serial communication module for data conversion. and transmission, the decoding module receives the infrared remote control signal and displays its waveform data, decodes the infrared remote control signal according to the waveform data, and receives infrared remote control signals of different waveforms centrally, and sends the remote control signals to the decoding module for decoding, which is convenient for different waveforms The infrared remote control signal is decoded, which provides the development efficiency.

In a preferred example of the present application, it can be further configured as follows: the infrared acquisition module includes a control terminal, a signal transmission terminal, a long-distance control sub-module, and a short-distance control sub-module; the signal transmission terminal is used for accessing infrared remote control signals , the control terminal is used to send the infrared remote control signal to the main control module, the control terminal is coupled to the main control module to receive the control start signal, when the remote control sub-module receives the control start signal, the remote control sub-module sends The long-distance control signal is sent to the signal transmission terminal. When the short-distance control sub-module receives the control start signal, the short-distance control sub-module sends the short-distance control signal to the signal transmission terminal.

By adopting the above technical solution, the collection of infrared remote control signals includes the collection of long-distance remote control signals and the collection of short-range remote control signals, and the control terminal sends out control signals to switch the signal transmission terminal to selectively receive long-distance infrared remote control signals or short-range infrared remote control signals. The remote control signal makes the infrared signal acquisition more flexible and the application range is wider.

In a preferred example of the present application, the main control module can be further configured as follows: the main control module includes a single-chip microcomputer A1, a latch chip U2 and a memory chip U4, the single-chip microcomputer A1 includes a signal receiving end, a signal control end and a signal transmission end, the The latch chip U2 includes a signal input end, an address signal output end and a latch control end, the storage chip U4 includes an address signal receiving end and a storage signal transmitting end, and the signal receiving end of the single-chip microcomputer A1 is connected to the infrared remote control signal, so the The signal control terminal of the single-chip microcomputer A1 is coupled to the control terminal of the infrared acquisition module for outputting a control start signal; the signal transmission terminal of the single-chip microcomputer A1 is coupled to the signal input terminal of the latch chip U2. The address signal output terminal and the signal transmission terminal of the single chip microcomputer A1 are both coupled to the address signal receiving terminal of the memory chip U4, and the storage signal transmission terminal of the storage chip U4 is coupled to the signal transmission terminal of the single chip microcomputer A1.

By adopting the above technical solution, when the signal receiving end of the single-chip microcomputer A1 receives the infrared remote control signal, it sends the infrared remote control signal to the latch chip U2 for address latching, and sends the latched data signal to the memory chip U4 for buffering. , the single-chip microcomputer A1 receives the decoded encoded data output by the serial communication module, and inputs the encoded data to the memory chip U4 through the signal transmission terminal for data buffering. The terminal switches the control signal to the control terminal of the infrared acquisition module, so as to realize the switching of the infrared remote control signal acquisition in the far and short distances. Therefore, it is convenient to store the decoded data and the infrared remote control signal and realize the switching function of the far and short distance infrared remote control signal acquisition.

In a preferred example of the present application, it can be further configured as follows: the serial communication module includes a data transmission chip U3, the data transmission chip U3 includes a serial data receiving end and a serial data sending end, and the single-chip microcomputer A1 further includes a serial data transmission end. A line data receiving end and a serial data sending end, the serial data receiving end of the data transmission chip U3 is coupled to the serial data sending end of the single-chip microcomputer A1, and the serial data sending end of the transmission chip U3 is coupled to the single-chip microcomputer The serial data receiving end of A1, the serial data receiving end and the serial data sending end of the data transmission chip U3 are both coupled to the decoding module to send and receive encoded data.

By adopting the above technical solution, the serial communication module is connected with the serial data receiving end and the serial data sending end of the single-chip microcomputer A1 through the serial data receiving end and the serial data sending end, and the function of sending the infrared waveform data to the decoding module in time , so as to facilitate the display of the infrared remote control signal waveform in the decoding module.

In a preferred example, the present application can be further configured as: the decoding module includes:

The waveform display sub-module is used to receive the infrared remote control signal sent by the data transmission chip U3 and display the infrared waveform;

The result display sub-module is used to decode and output and display the decoded result based on the infrared waveform;

The system switch sub-module is used for sending an on signal or a shut-off signal for turning on the data transmission chip U3 and the waveform display sub-module when an on request or off request is received.

By adopting the above technical solution, the staff controls whether to access the serial data output by the data transmission chip U3 through the system switch sub-module, and the waveform display sub-module displays the waveform data when it receives the infrared remote control signal of the data transmission chip U3, which is convenient for the staff to observe Infrared waveform, after the waveform is automatically decoded, the result display sub-module displays the decoding result and transmits the code to the single-chip microcomputer A1 through the data data transmission chip U3 for storage, which is convenient for the decoding module to control the decoding of the infrared remote control signal, and also facilitates the encoding of the data. store.

In a preferred example of the present application, it can be further configured to further include an analog button module, the analog button module includes a plurality of analog switch chips U1, and the analog switch chip U1 includes an analog signal input end, an analog signal control end and an analog signal output end , the analog signal input terminal is used to receive the analog signal, the analog signal control terminal is coupled to the microcontroller A1 to receive the control signal, when the analog signal control terminal receives the control signal, the analog signal input terminal is connected to the analog signal, when When the analog signal input end is connected to the analog signal, the analog signal output end outputs an analog switch signal to control the infrared signal transmitter to send an infrared remote control signal.

By adopting the above technical solution, the analog signal control terminal is used to control the start and stop of the analog button module, that is, to control whether to connect the analog signal. When the analog button module is activated, when the analog signal input terminal of the switch chip U1 receives the analog signal, the analog signal The signal output terminal is used to output the analog switch signal to control the infrared signal transmitter to send out the infrared remote control signal to realize the function of automatic decoding.

The above-mentioned invention purpose two of the present application is achieved through the following technical solutions:

An infrared database code analysis method, comprising the steps:

Obtain the infrared remote control signal, extract the waveform data of the infrared remote control signal, and input it into the main control module for latching and storage;

The main control module outputs the waveform data to the serial communication module;

When receiving the opening request, the serial communication module outputs the waveform data to the waveform display sub-module through the serial interface to display the infrared waveform;

Read the infrared waveform and decode it, and output the decoded result to the result display sub-module.

By adopting the above technical solution, the infrared acquisition module collects and receives different infrared remote control signals, that is, remote control signals with different waveforms, and sends the remote control signals to the main control module, which transmits the remote control signals to the serial communication module for data conversion. and transmission, the decoding module receives the infrared remote control signal and displays its waveform data, decodes the infrared remote control signal according to the waveform data, and receives the infrared remote control signal of different waveforms centrally, and sends the remote control signal to the decoding module for decoding, which is convenient for different waveforms. The infrared remote control signal is decoded, which provides the development efficiency.

In a preferred example, the present application can be further configured as: before the steps of acquiring an infrared remote control signal, extracting the waveform data of the infrared remote control signal and inputting it into the main control module for latching and storage, it also includes the steps:

When receiving the control signal sent by the analog main control module, the analog button module is connected to the analog signal;

Based on the analog signal, the analog button module sends out an analog switch signal to control the infrared signal transmitter to send out an infrared remote control signal.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. The decoding module receives the infrared remote control signal and displays its waveform data, decodes the infrared remote control signal according to the waveform data, and receives the infrared remote control signal of different waveforms centrally, and sends the remote control signal to the decoding module for decoding, which is convenient for different waveforms. The infrared remote control signal is decoded, which provides the development efficiency;

2. The collection of infrared remote control signals includes the collection of long-distance remote control signals and the collection of short-range remote control signals. The control terminal sends out control signals to switch the signal transmission terminal to selectively receive long-distance infrared remote control signals or short-range infrared remote control signals, so that The infrared signal acquisition is more flexible and the application range is wider;

3. Switch the control signal to the control terminal of the infrared acquisition module through the signal control terminal of the single-chip A1, so as to realize the switching of the infrared remote control signal acquisition in the far and short distances. Therefore, it is convenient to store the decoded data and infrared remote control signals and realize the far and near infrared remote control signals. Switching function of remote control signal acquisition;

4. The analog signal control terminal is used to control the start and stop of the analog button module, that is, to control whether to connect to the analog signal. When the analog button module is activated, when the analog signal input terminal of the switch chip U1 receives the analog signal, the analog signal output terminal uses It outputs the analog switch signal to control the infrared signal transmitter to send out the infrared remote control signal to realize the function of automatic decoding.

Description of drawings

Fig. 1 is the structural block diagram of a kind of infrared database coding analysis system of the present application;

Fig. 2 is the circuit diagram of infrared acquisition module in a kind of infrared database coding analysis system of the present application;

Fig. 3 is the circuit diagram of the main control module in a kind of infrared database coding analysis system of the present application;

Fig. 4 is the circuit diagram of the serial port communication module in a kind of infrared database coding analysis system of the present application;

FIG. 5 is a circuit diagram of an analog button module in an infrared database coding analysis system of the present application.

Description of reference numerals: 1. Remote control sub-module; 2. Short-range control sub-module.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-5.

In one embodiment, as shown in FIG. 1 , the present application discloses an infrared database coding analysis system, including an infrared acquisition module, a main control module, a serial communication module, a decoding module and an analog button module, and the decoding module includes a waveform display module. module, result display sub-module and system switch sub-module.

Referring to FIG. 2, the infrared acquisition module is used to collect different infrared remote control signals sent by the infrared signal transmitter, and output the infrared remote control signals to the main control module. The infrared acquisition module includes a control terminal, a signal transmission terminal, a long-distance control sub-module 1 and a short-range control sub-module 2; the signal transmission terminal is used to access the infrared remote control signal, and is used to send the infrared remote control signal to the main control module, the control terminal It is coupled to the main control module to receive the control activation signal. When the remote control sub-module 1 receives the control activation signal, the remote control sub-module 1 sends out the remote control signal, and the short-range control sub-module 2 receives the control activation signal. , the short-range control sub-module 2 sends a short-range control signal.

The remote control sub-module 1 includes an interface CN2, a fourth light-emitting diode D4 that emits red light, a sixth transistor Q6, a ninth capacitor C9, a sixteenth resistor R16 and a nineteenth resistor R19, and the short-range control module includes a A transistor Q1, a second transistor Q2, a third transistor Q3, a fourth transistor Q4, a fifth transistor Q5, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, The eleventh resistor R11, the twelfth resistor R12, the thirteenth resistor R13, the fourteenth resistor R14, the fifteenth resistor R15, the seventeenth resistor R17, the eighteenth resistor R18, the twentieth resistor R20, the twentieth resistor A resistor R21, a first diode D1, a second LED D2 that emits green light, and a third diode D3 that emits flashing light.

The emitter of the first transistor Q1 is coupled to the power supply voltage VCC, the collector of the first transistor Q1 is coupled to the anode of the second light-emitting diode D2, and the cathode of the second light-emitting diode D2 is connected in series with the twelfth resistor. Grounded, the base of the first transistor Q1 is connected in series with the ninth resistor and then coupled to the collector of the fourth transistor Q4, and the collector of the fourth transistor Q4 is connected in series with the fifteenth resistor and then coupled to the power supply Voltage VCC, the emitter of the fourth transistor Q4 is grounded, the base of the fourth transistor Q4 is coupled to the collector of the fifth transistor Q5, the base of the fourth transistor Q4 is connected to the seventeenth resistor R17 is connected in series to the power supply voltage VCC, the emitter of the fifth transistor Q5 is grounded, the base of the fifth transistor Q5 is connected in series with the twentieth resistor and then coupled to the eighteenth resistor R18 and the eighteenth resistor The other end of R18 is coupled to the power supply voltage VCC, the connection node of the twentieth resistor R20 and the eighteenth resistor R18 is coupled to the twenty-first resistor R21, and the other end of the twenty-first resistor R21 is coupled to the CON port, The CON port is the control terminal, and the CON terminal is used to send out 1 or 0, that is, high level or low level, to control the infrared acquisition module to collect short-range infrared remote control signals or long-distance infrared remote control signals.

One end of the twentieth resistor R20 away from the fifth transistor Q5 is coupled to the base of the sixth electrode tube Q6, the collector of the sixth electrode tube Q6 is coupled to the second pin of the interface CN2, and the sixth electrode tube Q6 The emitter is grounded, the collector of the sixth electrode tube Q6 is coupled to the cathode of the fourth light-emitting diode D4, the anode of the fourth light-emitting diode D4 is connected to the power supply voltage VCC in series with the sixteenth resistor, and the third The pin is connected to the ninth capacitor C9 in series with the nineteenth resistor R19. The other end of the ninth capacitor C9 is grounded. The connection node of the ninth capacitor C9 and the nineteenth resistor R19 is coupled to the power supply voltage VCC. The first pin is coupled to the INTO terminal, and the INTO terminal is a signal transmission terminal.

The collector of the first transistor Q1 is coupled to the anode of the third light emitting diode D3, the cathode of the third light emitting diode D3 is connected to the base of the second transistor Q2 in series with the eleventh resistor R11, and the third The anode of the light emitting diode D3 is coupled to the anode of the first diode D1, the cathode of the first diode D1 is connected in series with the eighth resistor R8 and then coupled to the base of the second transistor Q2, the second transistor Q2 The emitter is coupled to the anode of the first diode D1, the cathode of the first diode D1 is connected in series with the thirteenth resistor R13 and then grounded, and the collector of the second transistor Q2 is connected in series with the fourteenth resistor R14 Ground, the collector of the second transistor Q2 is coupled to the base of the third transistor Q3, the collector of the third transistor Q3 is connected to the power supply voltage VCC in series with the tenth resistor R10, and the third transistor Q3 is connected to the power supply voltage VCC. The emitter of the transistor Q3 is grounded, and the collector of the third transistor Q3 is coupled to the INTO terminal.

When the CON port sends out a high level, the sixth transistor Q6 receives a high level and is turned on, and at the same time the fourth light-emitting diode D4 emits red light to remind the staff that it is receiving infrared remote control signals at a long distance at this time, and at this time the fifth The transistor Q5 is turned on, so that the base of the fourth transistor Q4 receives a low level and is turned off. Therefore, at this time, the first transistor Q1 is not turned on, the second LED D2 is off, and the sub-module is controlled in close proximity. 2 does not work.

When CON sends a low level, the sixth transistor Q6 receives a low level and is in an off state, that is, the remote control sub-module 1 is not working, at this time, the fifth transistor Q5 is not turned on, and the fourth transistor Q4 The conduction makes the first transistor Q1 turn on, the second light-emitting diode D2 emits green light to remind the staff that it is in the mode of receiving infrared remote control signals at close range at this time, and the third transistor works as D3 as a receiving tube. The voltage makes the second transistor Q2 and the third transistor Q3 conduct.

Referring to Figure 3, the main control module includes a single-chip microcomputer A1 with a model of 87C52, a latch chip U2 with a model of 74LS373, and a memory chip U4 with a model of KM62256. The single-chip microcomputer A1 includes a signal receiving end, a signal control end, a signal transmission end, and a serial data A receiving end and a serial data sending end, the latch chip U2 includes a signal input end, an address signal output end and a latch control end, and the memory chip U4 includes an address signal receiving end and a storage signal transmitting end.

The fourth pin of the single-chip microcomputer A1 is the signal receiving terminal, the fourth pin is coupled to the INTO terminal for receiving the input infrared remote control signal, the fourteenth pin of the single-chip microcomputer A1 is the signal input terminal, and the fourteenth pin is the signal The control terminal, the fourteenth pin is coupled to the control terminal of the infrared acquisition module for sending a control start signal; the control start signal is 0 and 1, 1 is a high level, and 0 is a low level. The 21st pin to the 26th pin and the 32nd pin to the 39th pin of the MCU A1 are all signal transmission terminals, and the 32nd pin to the 39th pin is coupled to the Connected to the signal input end of the latch chip U2, the twenty-first pin to the twenty-sixth pin are coupled to the storage signal transmission end of the memory chip U4. The tenth pin of the single-chip microcomputer A1 is the serial data receiving terminal, and the eleventh pin is the serial data sending terminal. The tenth and eleventh pins of the single-chip microcomputer A1 are both coupled to the serial communication module to realize infrared remote control. Transmission of signals and encoded data. The sixteenth pin of the single-chip microcomputer A1 is coupled to the twenty-seventh pin of the memory chip U4 for receiving and sending an input enable signal. The seventeenth pin of the single-chip microcomputer A1 is coupled to the twenty-second pin of the memory chip U4 for sending and receiving an output enable signal. The ninth pin of the microcontroller A1 is connected in series with a third capacitor C3, the other end of the third capacitor C3 is coupled to the power supply voltage VCC, the ninth pin of the microcontroller A1 is connected in series with a first resistor R1, and the other end of the first resistor R1 is grounded . The eighteenth pin of the single-chip microcomputer A1 is coupled to the eighth capacitor C8, and the nineteenth pin of the single-chip microcomputer A1 is coupled to the sixth capacitor C6. The other ends of the eighth capacitor C8 and the sixth capacitor C6 are both grounded, and the sixth capacitor The crystal oscillator Y2 is connected in series between C6 and the eighth capacitor C8.

The third pin, the fourth pin, the seventh pin, the eighth pin, the thirteenth pin, the fourteenth pin, the seventeenth pin and the eighteenth pin of the latch chip U2 are signals Input end, the first pin and the eleventh pin of the latch chip U2 are the latch control end, the eleventh pin is the latch input open end, the first pin is the latch output open end, the latch chip The second pin, fifth pin, sixth pin, ninth pin, twelfth pin, fifteenth pin, sixteenth pin and nineteenth pin of U2 are the address signal output terminals , the address signal output terminal is coupled to the address signal receiving terminal of the memory chip U4.

The first to tenth pins, the twenty-first pin, and the twenty-third pin to the twenty-sixth pin of the memory chip U4 are storage signal transmission terminals, and the first pin, the second pin of the memory chip U4 The sixteenth pin, the second pin, the twenty-third pin, the twenty-first pin, the twenty-fourth pin, and the twenty-fifth pin are coupled to the signal transmission end of the single-chip microcomputer A1, and the memory chip U4 The third to tenth pins of are coupled to the address signal output end of the latch chip U2.

4, the serial communication module includes a data transmission chip U3 with a model of PL2303, an interface CN1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, The first capacitor C1, the second capacitor C2, the fourth capacitor C4, the fifth capacitor C5, and the seventh capacitor C7, the first pin of the data transmission chip U3 is the serial data receiving end, and the fifth pin of the data transmission chip U3 It is a serial data sending end, the first pin of the data transmission chip U3 is coupled to the eleventh pin of the single-chip microcomputer A1, and the fifth pin of the data transmission chip U3 is coupled to the tenth pin of the single-chip microcomputer A1. The fourth pin, the eighth pin, the eleventh pin and the fourteenth pin of the data transmission chip U3 are connected to the power supply voltage VCC after being connected in series with the fourth resistor R4. The sixth pin, the seventh pin, the ninth pin and the tenth pin of the data transmission chip U3 are all grounded. The fifteenth pin of the data transmission chip U3 is connected to the third pin of the interface CN1 after being connected in series with the sixth resistor, and the sixteenth pin of the data transmission chip U3 is connected to the second pin of the interface CN1 after being connected in series with the seventh resistor. pin, the seventeenth pin of the data transmission chip U3 is connected to the third pin of the interface CN1 after being connected in series with the fifth resistor, the fourth pin of the interface CN1 is grounded, the first pin of the interface CN1 and the seventh capacitor C7 The first pin of the interface CN1 and the fifth capacitor C5 are connected in series and then grounded, and the first pin of the interface CN1 is coupled to the power supply voltage VCC. The seventeenth pin of the data transmission chip U3 is connected in series with the fourth capacitor C4 and then grounded. The nineteenth pin of the data transmission chip U3 is connected in series with the third resistor R3 and then coupled to the twenty-second pin of the data transmission chip U3, and the twenty-third pin of the data transmission chip U3 is connected in series with the second resistor R2. ground. The twenty-seventh pin of the data transmission chip U3 is connected in series with the second capacitor C2 and then grounded, and the twenty-eighth pin of the data transmission chip U3 is connected in series with the first capacitor C1 and then grounded. A crystal oscillator Y1 is connected in series between the twenty-seventh pin and the twenty-eighth pin of the data transmission chip U3.

The decoding module includes a waveform display sub-module, a result display sub-module and a system switch sub-module.

The waveform display sub-module is used to receive the infrared remote control signal sent by the data transmission chip U3 and display the infrared waveform;

The result display sub-module is used to decode the infrared waveform and output and display the decoded result.

The system switch sub-module is used for sending an on signal or a shut-off signal for turning on the data transmission chip U3 and the waveform display sub-module when an on request or off request is received. Further, the system switch sub-module is also used to send a request for switching to receive infrared remote control signals in a long distance or a short distance.

5, the analog button module includes two analog switch chips U1, the analog switch chip U1 includes an analog signal input end, an analog signal control end and an analog signal output end, the second pin to the ninth pin of the analog switch chip U1, The sixteenth pin to the twenty-third pin are all analog signal input terminals, and the analog signal input terminal is used to receive analog signals. In this embodiment, the analog signals are pulse signals used to trigger the turn-on request and turn-off request. ; The tenth pin, eleventh pin, thirteenth pin, and fourteenth pin of the analog switch chip U1 are analog signal control terminals, and the analog signal control terminals are coupled to the single-chip microcomputer A1 to receive control signals, and the two The first pin of the analog switch chip U1 is coupled, and the fifteenth pins of the two analog switch chips U1 are coupled. When the analog signal control terminal receives the control signal, the analog signal input terminal is connected to the analog signal. When the analog signal input terminal is connected to the analog signal, the analog signal output terminal outputs the analog switch signal to control the infrared signal transmitter to send out the infrared remote control signal. Realize automatic decoding function.

The implementation principle of an infrared database coding analysis system of the present application is as follows: control an infrared transmitter to send out an infrared remote control signal, and send a request to switch to receive the infrared remote control signal at a short distance through the control system switch sub-module, and at this time, the CON terminal sends out a low level, The third triode D3 works, and the second light-emitting diode D2 emits green light to indicate that the staff is in the mode of receiving infrared remote control signals at close range, and the infrared remote control signals are sent to the microcontroller A1, which buffers the remote control signals and sends them to the data transmission chip U3 , The data transmission chip U3 displays the waveform data of the infrared remote control signal in the waveform display sub-module through the serial connection. After automatic decoding, the encoded data is displayed in the result display sub-module.

The encoded data is sent to the data transmission chip U3 at the same time, and the data transmission chip U3 sends the encoded data to the single-chip microcomputer A1 and stores it in the memory chip U4.

In one embodiment, an infrared database code analysis method is provided, and the infrared database code analysis method is in one-to-one correspondence with the infrared database code analysis system in the above embodiment. The infrared database coding analysis method comprises the steps:

S1: Obtain the infrared remote control signal, extract the waveform data of the infrared remote control signal, and input it into the main control module for latching and storage;

S2: The main control module outputs the waveform data to the serial communication module;

S3: When receiving the opening request, the serial communication module outputs the waveform data to the waveform display sub-module through the serial interface to display the infrared waveform;

S4: Read the infrared waveform and decode it, and output the decoded result to the result display sub-module.

In another embodiment, before step S1, it further includes steps:

S11: When receiving the control signal sent by the analog main control module, the analog button module is connected to the analog signal;

S12: Based on the analog signal, the analog button module sends a turn-on request or turn-off request to the system switch sub-module,

In this embodiment, the turn-on request refers to a request for causing the decoding module to trigger the turn-on signal.

Further, when a shutdown request is received, the waveform data output by the serial communication module cannot be sent to the waveform display sub-module.

It should be understood that the size of the sequence numbers of the steps in the above embodiments does not mean the sequence of execution, and the execution sequence of each process should be determined by its function and internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

The above-mentioned embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the above-mentioned embodiments, those of ordinary skill in the art should understand that: it can still be used for the above-mentioned implementations. The technical solutions described in the examples are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions in the embodiments of the application, and should be included in the within the scope of protection of this application.

Claims (8)

1. An infrared database code analysis system, characterized by: the device comprises an infrared acquisition module, a main control module, a serial port communication module and a decoding module;

the infrared acquisition module is used for acquiring different infrared remote control signals sent by the infrared signal transmitter;

the main control module is coupled with the infrared acquisition module and outputs serial data to the serial port communication module when receiving the infrared remote control signal;

the serial port communication module is coupled to the main control module and used for forwarding the serial data to the decoding module when receiving the serial signal;

and the decoding module is coupled with the serial port communication module, acquires infrared waveform data in the serial data when receiving the serial data, and outputs infrared coded data.

2. The infrared database code analysis system of claim 1, wherein: the infrared acquisition module comprises a control end, a signal transmission end, a long-distance control submodule (1) and a short-distance control submodule (2); the remote control system comprises a signal transmission end, a control end and a short-distance control submodule, wherein the signal transmission end is used for accessing an infrared remote control signal, the control end is used for sending the infrared remote control signal to a main control module, the control end is coupled to the main control module to receive a control starting signal, when the long-distance control submodule (1) receives the control starting signal, the long-distance control submodule (1) sends the long-distance control signal to send the signal transmission end, and when the short-distance control submodule (2) receives the control starting signal, the short-distance control submodule (2) sends the short-distance control signal to the signal transmission end.

3. The infrared database code analysis system of claim 2, wherein: the main control module comprises a single chip microcomputer A1, a latch chip U2 and a storage chip U4, the single chip microcomputer A1 comprises a signal receiving end, a signal control end and a signal transmission end, the latch chip U2 comprises a signal input end, an address signal output end and a latch control end, the storage chip U4 comprises an address signal receiving end and a storage signal transmission end, the signal receiving end of the single chip microcomputer A1 is connected with an infrared remote control signal, and the signal control end of the single chip microcomputer A1 is coupled with the control end of the infrared acquisition module and used for outputting a control starting signal; the signal transmission end of the singlechip A1 is coupled to the signal input end of a latch chip U2, the address signal output end of the latch chip U2 and the signal transmission end of the singlechip A1 are both coupled to the address signal receiving end of a memory chip U4, and the memory signal transmission end of the memory chip U4 is coupled to the signal transmission end of the singlechip A1.

4. The infrared database code analysis system of claim 3, wherein: the serial port communication module comprises a data transmission chip U3, the data transmission chip U3 comprises a serial data receiving end and a serial data sending end, the single chip microcomputer A1 further comprises a serial data receiving end and a serial data sending end, the serial data receiving end of the data transmission chip U3 is coupled to the serial data sending end of the single chip microcomputer A1, the serial data sending end of the transmission chip U3 is coupled to the serial data receiving end of the single chip microcomputer A1, and the serial data receiving end and the serial data sending end of the data transmission chip U3 are both coupled to the decoding module to receive and send encoded data.

5. The infrared database code analysis system of claim 4, wherein: the waveform display submodule is used for receiving the infrared remote control signal sent by the data transmission chip U3 and displaying an infrared waveform;

the result display submodule is used for decoding and outputting and displaying a decoding result based on the infrared waveform;

and the system switch submodule is used for sending a turn-on signal or a turn-off signal for turning on the data transmission chip U3 and the waveform display submodule when receiving a turn-on request or a turn-off request.

6. The infrared database code analysis system of claim 3, wherein: still include the simulation button module, the simulation button module includes a plurality of analog switch chips U1, and analog switch chip U1 includes analog signal input end, analog signal control end and analog signal output end, the analog signal input end is used for receiving analog signal, the analog signal control end is coupled in singlechip A1 with receiving control signal, and when the analog signal control end received control signal, analog signal input end inserts analog signal, when the analog signal input end inserts analog signal, analog signal output end output analog switch signal sends infrared remote control signal in order to control infrared signal transmitter.

7. An infrared database code analysis method is characterized in that: the method comprises the following steps: acquiring an infrared remote control signal, extracting waveform data of the infrared remote control signal and inputting the waveform data into a main control module for latching and storing;

the master control module outputs the waveform data to the serial port communication module;

when receiving a starting request, the serial port communication module outputs waveform data to the waveform display submodule through the serial port so as to display an infrared waveform;

and reading and decoding the infrared waveform, and outputting a decoding result to a result display submodule.

8. The infrared database code analysis method of claim 7, wherein: before the steps of acquiring the infrared remote control signal, extracting the waveform data of the infrared remote control signal and inputting the waveform data into the main control module for latching and storing, the method also comprises the following steps:

when receiving a control signal sent by the simulation main control module, the simulation key module accesses the simulation signal;

based on the analog signal, the analog key module sends an analog switch signal to control the infrared signal transmitter to send an infrared remote control signal.

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