CN1794308A

CN1794308A - Bidirectional radio remote controller

Info

Publication number: CN1794308A
Application number: CN 200610023174
Authority: CN
Inventors: 吴海良; 张灿辉
Original assignee: Shanghai Electrical Apparatus Research Institute Group Co Ltd
Current assignee: Shanghai Electrical Apparatus Research Institute Group Co Ltd
Priority date: 2006-01-10
Filing date: 2006-01-10
Publication date: 2006-06-28

Abstract

This invention relates to a radio remote controller with a two-way information transmission ability including a keyboard and an information storage process unit containing a radio T-R unit, a display unit and information process software cured in the chip, in which, the information goes like this: an information storage process unit timely scans the keyboard, the system is sleeping when there is no input and the SPI bus starts up the radio R-T unit to connect with a controlled device to transmit the control instruction and read prompt parameters of the controlled device, data necessary to be stored are stored in EEPROM in the chip to be delivered to a display unit via 1<SUP>2</SUP>C bus and displayed on a LCD, the two-way remote controller can be connected with controlled devices by a signal respond system to avoid error actions of single-way remote controllers.

Description

Bidirectional radio remote controller

Technical field

The present invention relates to a kind of radio remote controller, be mainly used in the remote control of intelligent home device, belong to the wireless remote control technology field with bidirectional transfer of information ability.

Background technology

Along with scientific technological advance, the raising of people's living standard, in the electrical equipment in Smart Home field used, traditional Infrared remote controller can not satisfy the needs of practical application.

The signal processing unit signal handling capacity of traditional infrared telepilot is not strong, only can satisfy the basic function of reading keyboard, keypad information processing, signal modulation and infrared, and infrared remote controller is because ultrared directional problems, need to aim at controlled device, if have barrier to stop between telepilot and the controlled plant, more can influence the remote control effect, give to use and make troubles.

Adopt the telepilot of one way radio lift-off technology, solved directional problems, but also brought selective problems, cause that easily other have the misoperation of radio receiving equipment in the wireless transmit scope, thereby also do not obtain large-scale application.

Summary of the invention

The object of the present invention is to provide a kind of bidirectional radio remote controller with bidirectional transfer of information ability, telepilot can pass through the signal acknowledgement mechanism, has interactive capability preferably, can satisfy demand intelligent, hommization control, avoid interior other of wireless transmit scope to have the misoperation of radio receiving equipment fully.

In order to achieve the above object, technical scheme of the present invention is: this telepilot comprises keyboard and information stores processing unit, also contains transceiving unit, display unit and is solidificated in messaging software in the chip accordingly; Its information trend is: information stores processing unit timing scan keyboard, under the no input status, system hibernates, have under the input status, connect by spi bus startup wireless transmit/receive units and controlled device, transfer control instruction, and read the instant parameter of controlled device, the data that need to preserve deposit the interior EEPROM of chip in, pass through I ²The C bus is sent to display unit to data, is presented on the liquid crystal LCD display.

The beneficial effect of the invention: two-way remote control can connect by signal acknowledgement mechanism and controlled plant, can avoid the misoperation phenomenon of one way radio telepilot fully, solve the directional problems of infrared remote controller simultaneously and be subject to the problem that barrier stops; This two-way remote control has the ability of collecting controlled device information, can instant playback controlled device situation, possessed certain interactive capability, and this type of invention with interactive capability telechiric device will have fine market outlook.

Description of drawings

Fig. 1 is the principle of compositionality block diagram of two-way remote control of the present invention;

Fig. 2 is the software principle block diagram of two-way remote control of the present invention;

Fig. 3 is keyboard of the present invention and information stores processing unit circuit theory diagrams;

Fig. 4 is a transceiving element circuit schematic diagram of the present invention;

Fig. 5 is the LCD display unit circuit schematic diagram of two-way remote control of the present invention;

Fig. 6 is that two-way remote control of the present invention is solidificated in the software main program process flow diagram in the chip.

Embodiment

Below in conjunction with drawings and Examples to the two-way remote control of the present invention detailed explanation of making comparisons.

With reference to Fig. 1, this is the principle of compositionality block diagram of two-way remote control of the present invention.

As shown in the figure, two-way remote control comprises keyboard 1, information stores processing unit 2, also contains transceiving unit 3, display unit 4 and is solidificated in messaging software in the chip accordingly; Its information trend is: information stores processing unit 2 timing scan keyboards 1, under the no input status, the two-way remote control dormancy, have under the input status, start wireless transmit/receive units 3 controlled devices by spi bus and connect, transfer control instruction, and read the instant parameter of controlled device, the data that need to preserve deposit the interior EEPROM of chip in, pass through I ²The C bus is sent to display unit 4 to data, is presented on the liquid crystal LCD display.

With reference to Fig. 2, this is the messaging software in the chip of being solidificated in of two-way remote control of the present invention.

As shown in the figure, two-way remote control be solidificated in messaging software module in the chip, comprise keyboard scan module (5), primary control program (6), communication module (7), radio receiving transmitting module (8), driver module (9); Keyboard scan module (5) is connected with primary control program (6), intercommunication between primary control program (6) and the communication module (7), and intercommunication between communication module (7) and the radio receiving transmitting module (8), communication module (7) is led to driver module (9).

With reference to Fig. 3, this is two-way remote control keyboard of the present invention and information process unit circuit theory diagrams.

As shown in the figure, the S1～S24 of two-way remote control is a button; U201 is microprocessor CY8C24443; R201～R203 resistance; D201～D203 light emitting diode; The Y201 crystal oscillator; C201～C203 electric capacity; J201～J202 and JP201 are socket; The P06 of single-chip microcomputer U201, P07, P12, P13 be output low level successively, read the level of P00～P05, can judge whether which button button is pressed with presses, according to this information, after the single-chip microcomputer plug-in is handled, push button signalling is arranged, send the transceiving unit to by socket IP201 by spi bus host mode (MISO among the figure, MOSI, SCK, IRQ line).Single-chip microcomputer also reads controlled device information by SPI interface and transceiving unit, and is kept among the inner EEPROM, passes through I then ²C bus (P15, P17) connects display unit.

With reference to Fig. 4, this is the transceiving element circuit schematic diagram of two-way remote control of the present invention.As shown in the figure, U1 is transceiving integrated circuit CYWUSB6934; L1～L2 inductance; C1～C10 electric capacity; The Y1 crystal oscillator, SP1 plug, E1 antenna.

Principle of work: this unit is connected with the information stores processing unit with keyboard by plug SP1, and communication mode is a spi bus slave mode.Transceiving integrated circuit U1 sends to controlled device with control information by radio frequency delivery outlet RFOUT, inductance L 2, capacitor C 4, antenna E1, controlled plant information sends to the information stores processing unit by spi bus after receiving by antenna E1, capacitor C 2, C1, rf input port RFIN again.

With reference to Fig. 5, this is the LCD display unit circuit schematic diagram of two-way remote control of the present invention.

As shown in the figure, liquid crystal LCD display module is by 1 ²C bus link information storage control unit.

With reference to Fig. 6, this is the software main program process flow diagram in the chip of being solidificated in of two-way remote control of the present invention.

As shown in the figure, the software main program flow process is as follows: " initialization " 10 enters " SLEEP waits for regularly and interrupting " 11, " call the keyboard scan subroutine " 12, enter " not keyboard input is arranged? " 13 judge, if not, return " SLEEP waits for regularly and interrupting " 11; If, carry out " keyboard signal coding " 14, enter " the calling communication subroutine sends that remote signal reads, storage, display parameter " 15, enter " calling the wireless receiving and dispatching subroutine sends radio signal and reply and connect; send control routine; receiving slave device parameter and storage " 16, enter " call the display driver subroutine and refresh video data " 17, return " the calling communication subroutine sends that remote signal reads, storage, display parameter " 15, enter " returning " 18, get back to " SLEEP waits for regularly and interrupts 11 ".

Description to two-way remote control, the invention provides telepilot with bidirectional transfer of information ability, its collection reads that keyboard, keypad information are handled, signal modulation, radio transmission, and radio reception, signal are replied, controlled device information gathering, controlled device situation Presentation Function is in the telepilot of one.Have interactive capability preferably, can satisfy demand intelligent, hommization control.

Though the present invention describes with reference to the above embodiments; but those of ordinary skill in the art; will be appreciated that above embodiment is used for illustrating the present invention; should understand and wherein can make variations and modifications and do not break away from the present invention in a broad sense; so be not as limitation of the invention; as long as in connotation scope of the present invention, to the variation of above-described embodiment, the protection domain that distortion all will fall into claim of the present invention.

Claims

1, a kind of bidirectional radio remote controller, it comprises keyboard (1), information stores processing unit (2), it is characterized in that: also contain transceiving unit (3), display unit (4) and be solidificated in messaging software in the chip;

Its information trend is: information stores processing unit timing scan keyboard, under the no input status, telepilot is not worked, when input signal is arranged, connect by spi bus startup wireless transmit/receive units and controlled device, transfer control instruction, and read the instant parameter of controlled device, the data that need to preserve deposit the interior EEPROM of chip in, pass through I ²The C bus is sent to display unit to data, is presented on the liquid crystal LCD display.

2, bidirectional radio remote controller as claimed in claim 1, it is characterized in that: the described messaging software that is solidificated in the chip comprises keyboard scan module (5), primary control program (6), communication module (7), radio receiving transmitting module (8), driver module (9); Keyboard scan module (5) is connected with primary control program (6), intercommunication between primary control program 6 and the communication module 7, and intercommunication between communication module 7 and the radio receiving transmitting module (8), communication module 7 is led to driver module (9).

3, bidirectional radio remote controller as claimed in claim 1, it is characterized in that: described keyboard (1) and information stores processing unit (2) comprise that S1～S24 is a button, U201 is microprocessor CY8C24443, R201～R203 resistance, D201～D203 light emitting diode, 201 crystal oscillators, C201～C203 electric capacity, J201～J202 and JP201 are socket; The P06 of single-chip microcomputer U201, P07, P12, P13 be output low level successively, read the level of P00～P05, can judge whether which button button is pressed with presses, according to this information, after the single-chip microcomputer plug-in is handled, push button signalling is arranged, send the transceiving unit to by socket IP201 by the spi bus host mode; Single-chip microcomputer also reads controlled device information by SPI interface and transceiving unit, and is kept among the inner EEPROM, passes through I then ²C bus P15, P17 connect display unit.

4, bidirectional radio remote controller as claimed in claim 1 is characterized in that: described transceiving unit (3), and U1 is transceiving integrated circuit CYWUSB6934, L1～L2 inductance, C1～C10 electric capacity, Y1 crystal oscillator, SP1 plug, E1 antenna;

Be connected with information stores processing unit U1 with keyboard by plug SP1, U1 sends to controlled device with control information by radio frequency delivery outlet RFOUT, inductance L 2, capacitor C 4, antenna E1, controlled plant information sends to the information stores processing unit by spi bus after receiving by antenna E1, capacitor C 2, C1, rf input port RFIN again.

5, bidirectional radio remote controller as claimed in claim 1 is characterized in that: described LCD display unit (4), liquid crystal LCD display module passes through I ²C bus link information storage control unit.

6, bidirectional radio remote controller as claimed in claim 1, it is characterized in that: the described software main program flow process that is solidificated in the chip, its process step is: " initialization " (10), enter " SLEEP waits for regularly and interrupting " (11), " call the keyboard scan subroutine " (12), enter " not keyboard input is arranged? " (13) judge, if not, return " SLEEP waits for regularly and interrupting " (11); If, carry out " keyboard signal coding " (14), enter " the calling communication subroutine sends remote signal and reads; storage; display parameter " (15), enter " calling the wireless receiving and dispatching subroutine sends radio signal and reply and connect; send control routine; receiving slave device parameter and storage " (16), enter " call the display driver subroutine and refresh video data " (17), return " the calling communication subroutine sends remote signal and reads; storage; display parameter " (15), enter " returning " (18), get back to " SLEEP waits for regularly and interrupting " (11).