CN108288995B - Multi-module voice data communication system and method - Google Patents
Multi-module voice data communication system and method Download PDFInfo
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- CN108288995B CN108288995B CN201810075361.0A CN201810075361A CN108288995B CN 108288995 B CN108288995 B CN 108288995B CN 201810075361 A CN201810075361 A CN 201810075361A CN 108288995 B CN108288995 B CN 108288995B
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Abstract
The invention relates to a multi-module voice data communication system and a method, wherein an AP chip controls more than two satellite signal processing modules to carry out data communication, one end of a second switch array is electrically connected with more than two satellite signal processing modules, the other end of the second switch array is electrically connected with one end of a first switch array, and the other end of the first switch array is electrically connected with a codec module; recoding the command into an AT command, and reminding a system adaptation layer in a pulse mode; then the system adaptation layer switches the switch array according to the current state; and the system adaptation layer sends a control signal to the AP chip to switch the PCM shared channel. The invention can effectively ensure the normal communication of the mobile phone in a special environment, effectively reduce the hardware development cost and reduce the software compiling difficulty and workload.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a multi-module voice data communication system and method.
Background
The current common voice data communication solutions (high pass, MTK, spread spectrum, core connection, etc.) basically connect the PCM of the power management unit (integrated codec) and bluetooth to the baseband, and then the baseband interacts voice and data with the remote end through the modem in the radio frequency module connected to the baseband. When a modem special for a solution vendor is not needed, a software bottom layer needs to perform a large amount of complicated work, so that the BUG is easy to appear while the software compiling difficulty and the workload are increased.
Meanwhile, the existing mobile phone and chip manufacturers do not have a solution for dual-card dual-standby of the satellite. Communication cannot be performed in a specific scenario and situation. Specific geographic areas such as deserts, seas, unmanned areas, and partial mountainous areas; meanwhile, some special scenes, such as emergency situations, for example, special situations such as natural disaster situations, flood, earthquake, etc., and some specific working scenes, for example, detection of petroleum pipelines, detection of natural gas transportation pipelines. The existing mobile phone cannot carry out communication.
There is no solution in current voice-data communication solutions that supports dual satellite voice communication simultaneously. Therefore, in order to solve the technical blank in the prior art, reduce the hardware development cost and simultaneously reduce the software compiling difficulty and workload, a new voice data communication mode is provided, and the technical problem to be solved in the field is urgently solved.
Disclosure of Invention
In order to overcome the problems in the related technologies at least to a certain extent, the application provides a multi-module voice data communication system and method, which can effectively ensure the normal communication of a mobile phone in a special environment, make up the blank of the prior art, and simultaneously can effectively reduce the hardware development cost and reduce the software compiling difficulty and workload.
According to a first aspect of the embodiments of the present application, a multi-module voice data communication system is provided, which includes more than two satellite signal processing modules, an AP chip, a first switch array, a second switch array, a codec module, and a bluetooth module;
the AP chip controls more than two satellite signal processing modules to carry out data communication, one end of the second switch array is electrically connected with more than two satellite signal processing modules, the other end of the second switch array is electrically connected with one end of the first switch array, the other end of the first switch array is electrically connected with the codec module, and the Bluetooth module is in communication connection with the codec module;
the first switch array and the second switch array are single-pole double-throw analog switch arrays, and the AP chip is used for outputting switching control signals to the first switch array and the second switch array;
the satellite signal processing module comprises a first satellite signal processing module and a second satellite signal processing module; the first satellite signal processing module is connected with a first communication antenna, the second satellite signal processing module is connected with a second communication antenna, and the Bluetooth module is connected with a Bluetooth antenna.
Furthermore, the multi-module voice data communication system also comprises a system adaptation layer and a user interface layer; in one aspect, a first communications antenna transmits signals from a first satellite to a first satellite signal processing module; the first satellite signal processing module carries out coding and decoding operations on received signals, the first satellite signal processing module sends interruption prompts to processed data in a pulse mode, the system adaptation layer reads corresponding information from the serial port after receiving the interruption prompts of the pulse, and respectively prompts a user interface layer according to the type of the information, and the user interface layer can display a user interface according to the information provided by the system adaptation layer;
in another aspect, the second communications antenna transmits signals from a second satellite to the second satellite signal processing module; the second satellite signal processing module carries out coding and decoding operations on the received signals, the second satellite signal processing module sends interruption reminding to the processed data in a pulse mode, the system adaptation layer reads corresponding information from the serial port after receiving the interruption reminding of the pulse, and reminds the user interface layer respectively according to the type of the information, and the user interface layer can display a user interface according to the information provided by the system adaptation layer.
Furthermore, a system adaptation layer is reminded in a multi-module voice data communication system in a pulse mode, and the system adaptation layer distinguishes whether pulses come from the first satellite signal processing module or the first satellite signal processing module according to the pulse mode; then the system adaptation layer switches the switch array according to the current state; and the system adaptation layer sends a control signal to the AP chip, and the AP chip sends a first switch array switching control signal and a second switch array switching control signal to switch the PCM shared channel.
Further, the AP chip outputs a switching control signal to the second switch array to select one of the plurality of communication modules to participate in communication; the AP chip outputs a switching control signal to the first switch array to control the first switch array to switch between the codec module and the Bluetooth module to form a PCM voice path.
Furthermore, a first SIM card is arranged on the first communication module, and a second SIM card is arranged on the second communication module. And the codec module is also connected with a microphone, a receiver, a loudspeaker and an earphone.
According to a second aspect of the embodiments of the present application, a multi-module voice data communication method is provided, where the method employs the above multi-module voice data communication system, and the specific voice communication method is as follows:
after receiving satellite signals, the first communication antenna and the second communication antenna transmit signal data to corresponding satellite processing modules;
the satellite processing module processes the received signal data;
the satellite processing module recodes the processed data into an AT instruction and reminds the system adaptation layer in a pulse mode;
after the system adaptation layer receives the pulse interruption, two parts of work are carried out:
the first part works as:
after receiving the pulse interruption, the system adaptation layer reads data from the serial port;
after the system adaptation layer reads data from the serial port, decoding and processing the information;
the system adaptation layer can inform the user interface according to the data type;
the second part is worked as:
the system adaptation layer distinguishes whether the pulse comes from the first satellite signal processing module or the first satellite signal processing module according to the mode of the pulse;
then the system adaptation layer switches the switch array according to the current state;
and the system adaptation layer sends a control signal to the AP chip to switch the PCM shared channel.
Further, the AP chip sends out a first switch array switching control signal and a second switch array switching control signal, and the satellite signal processing module participating in communication is connected with the codec module by switching the two switch arrays connected in series to form a PCM voice channel; or the satellite signal processing module participating in communication is connected with the codec module and the Bluetooth module by switching two switch arrays connected in series to form a PCM voice path.
Further, when the AP chip judges that the first satellite signal processing module works, the AP chip sends an instruction to enable the second switch array to be connected to the first satellite signal processing module, and meanwhile, the AP chip is connected to the selected codec module or the selected Bluetooth module through the first switch array according to a CPU instruction arranged in the AP chip; when the first switch array is accessed to the selected codec module to participate in communication, the first satellite signal processing module decodes satellite data and transmits the decoded data to the codec module; the codec module encodes and decodes the audio and outputs the audio;
in addition, when the first switch array is accessed to the selected Bluetooth module to participate in communication, the first satellite signal processing module decodes satellite data, and transmits the data to the codec module after decoding; the codec module encodes and decodes the audio and transmits the data to the Bluetooth module; the bluetooth module transmits data from the codec module to the remote device.
Correspondingly, when the AP chip judges that the second satellite signal processing module works, the AP chip sends an instruction to enable the second switch array to be accessed into the second satellite signal processing module, and meanwhile, the AP chip is accessed into the selected codec module or the selected Bluetooth module through the first switch array according to a CPU instruction arranged in the AP chip;
when the first switch array is accessed to the selected codec module to participate in communication, the second satellite signal processing module decodes the satellite data and transmits the decoded data to the codec module; the codec module encodes and decodes the audio and outputs the audio;
in addition, when the first switch array is accessed to the selected Bluetooth module to participate in communication, the second satellite signal processing module decodes the satellite data, and transmits the data to the codec module after decoding; the codec module encodes and decodes the audio and transmits the data to the Bluetooth module; the bluetooth module transmits data from the codec module to the remote device.
In the invention, the specific method for switching the PCM shared channel is as follows:
after the system adaptation layer receives the pulse signal, processing the pulse coding and decoding;
decoding the post-processing message and checking whether the PCM channel needs to be switched;
when the PCM channel of the current system is consistent with the channel reminded by the pulse signal, the processing is not carried out;
when the current system PCM channel is inconsistent with the PCM channel prompted by the pulse signal, the system adaptation layer prepares to switch the PCM channel;
before switching the PCM channel, the system adaptation layer needs to check whether the PCM channel is switched or not, judge whether the current PCM channel is occupied or not, and if the PCM channel is occupied, the system adaptation layer cannot switch;
when the current PCM channel of the system is not occupied, the system adaptation layer sends a switching instruction to the AP chip to wait for the switching success of the PCM channel.
According to a third aspect of the embodiments of the present application, a multi-module voice data communication method is provided, where the method employs the above multi-module voice data communication system, and the specific voice communication method is as follows:
the user interface layer receives the dialing information through the codec module or the Bluetooth module;
the user interface layer encodes the dialing information and then sends the dialing information to the system adaptation layer;
the system adaptation layer decodes the dialing information and processes the dialing information;
the system adaptation layer recodes the processed dialing information into AT to execute and sends the AT to a system driving module;
the system driving module forwards the execution to the satellite signal processing module;
after receiving the AT instruction, the satellite signal processing module recodes the request;
after encoding, the signal is sent to an antenna and transmitted.
By adopting the technical scheme, the satellite communication module participating in communication is connected with the codec module or the Bluetooth module through the two switch arrays connected in series to form a PCM voice channel. Complexity of hardware design is reduced by sharing the PCM path, interference between signals is reduced, and control of PCM data transmission is increased by using the PCM switch switching path. The PCM path is controlled by DRIVER, and the coupling with upper software is effectively reduced. The PCM path is transparent to the upper layer software, which does not do any PCM control. The control of the PCM is responsible for the DRIVER of the core, thus effectively reducing the complexity of the upper layer software.
There is no solution in current voice-data communication solutions that supports dual satellite voice communication simultaneously. The proposal of the invention effectively makes up the current technical blank; the present solutions are all solutions for cellular networks. The invention aims at the solution of dual-card dual-standby of the satellite, adopts dual antennas and dual radio frequency modules to process different satellite wave bands. When one satellite has communication problems, the other satellite can be automatically switched to communicate, and the communication is ensured to be normal.
The invention has an earphone mode, a receiver mode and a Bluetooth mode, and the three modes use the same PCM data channel, thereby effectively reducing the complexity of hardware and simultaneously reducing the power consumption of the hardware. The system can have more standby time and increased service time of the battery; meanwhile, the hardware production cost is reduced, and the reusability of hardware design is increased. And simultaneously, the software compiling difficulty and workload are reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
FIG. 1 is one of a diagram of a multi-module voice data communications system according to an exemplary embodiment;
FIG. 2 is a second diagram illustrating a multi-module voice-data communications system in accordance with an exemplary embodiment;
FIG. 3 is one of the flow diagrams of a multi-module voice data communication method shown in accordance with an exemplary embodiment;
FIG. 4 is a specific method for switching the PCM shared channel according to the present invention;
FIG. 5 illustrates a second flow chart of a multi-module voice data communication method in accordance with an exemplary embodiment;
fig. 6 is a third flowchart illustrating a multi-module voice data communication method in accordance with an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of systems and methods consistent with certain aspects of the present application, as detailed in the appended claims.
PMU is an abbreviation for power management unit, the name of which is power management unit, and is a highly integrated power management scheme for portable applications, i.e. several types of traditionally separate power management devices are integrated in a single package, which can achieve higher power conversion efficiency and lower power consumption, and fewer components to fit for reduced board-level space. A CODEC. Refers to a device with coding and decoding functions in digital communication.
PCM Pulse Code Modulation is an abbreviation for Pulse Code Modulation. Pulse code modulation is one of the coding schemes for digital communications. The main process is to sample the analog signals of voice, image, etc. at regular intervals to make them discretize, at the same time, to round the sampled values by hierarchical unit to make them be rounded and quantized, and at the same time, to express the amplitude of sampled pulse by a group of binary codes.
As shown in fig. 1, the present invention provides a multi-module voice data communication system, which includes more than two satellite signal processing modules, an AP chip, a first switch array, a second switch array, a codec module and a bluetooth module;
the AP chip controls more than two satellite signal processing modules to carry out data communication, one end of the second switch array is electrically connected with more than two satellite signal processing modules, the other end of the second switch array is electrically connected with one end of the first switch array, and the other end of the first switch array is electrically connected with the codec module and the Bluetooth module respectively;
the first switch array and the second switch array are single-pole double-throw analog switch arrays, and the AP chip is used for outputting switching control signals to the first switch array and the second switch array;
the satellite signal processing module comprises a first satellite signal processing module and a second satellite signal processing module; the first satellite signal processing module is connected with a first communication antenna, the second satellite signal processing module is connected with a second communication antenna, and the Bluetooth module is connected with a Bluetooth antenna.
As shown in fig. 1 and fig. 2, as a preferred implementation, the multi-module voice data communication system provided in this embodiment further includes a system adaptation layer and a user interface layer;
in one aspect, a first communications antenna transmits signals from a first satellite to a first satellite signal processing module; the first satellite signal processing module carries out coding and decoding operations on received signals, the first satellite signal processing module sends interruption prompts to processed data in a pulse mode, the system adaptation layer reads corresponding information from the serial port after receiving the interruption prompts of the pulse, and respectively prompts a user interface layer according to the type of the information, and the user interface layer can display a user interface according to the information provided by the system adaptation layer;
in another aspect, the second communications antenna transmits signals from a second satellite to the second satellite signal processing module; the second satellite signal processing module carries out coding and decoding operations on the received signals, the second satellite signal processing module sends interruption reminding to the processed data in a pulse mode, the system adaptation layer reads corresponding information from the serial port after receiving the interruption reminding of the pulse, and reminds the user interface layer respectively according to the type of the information, and the user interface layer can display a user interface according to the information provided by the system adaptation layer.
In this embodiment, the first communication module is provided with a first SIM card, and the second communication module is provided with a second SIM card. And the codec module is also connected with a microphone, a receiver, a loudspeaker and an earphone.
It should be added that the AP chip and the first and second satellite signal processing modules may perform data communication through methods such as UART, SPI, and USB.
The invention connects with the corresponding or expansion interface of AP (wireless access point) through the PCM data channel of each communication module, and can complete data communication by matching with the corresponding driving program; the voice PCM path of each module passes through 2 analog switch arrays of single pole double throw: the second switch array and the second switch array are interconnected with the CODEC and the Bluetooth module.
The AP chip selects which specific module to participate in communication by switching the control signal through the second switch array: the module dialed by the external telephone or the dialing module selected by the user determines that the PCM channel of the working module is connected with the public end of the second switch array by the AP chip. Therefore, through the two switch arrays, the voice communication mode of each module can realize a normal mode and a Bluetooth mode, and the normal mode is subdivided into an earphone mode, an earphone mode and a hands-free mode. When more than 2 modules need to be connected, only the second switch array needs to be expanded and cascaded or the first switch array is selected to be expanded, and corresponding control signals are added. The first switch array is not modified. For example, when more AP interfaces of the data channel are not used enough, the solution can be achieved by the expansion chip.
It should be added that, in this embodiment, the multi-module voice data communication system reminds the system adaptation layer through a pulse mode, and the system adaptation layer distinguishes whether a pulse comes from the first satellite signal processing module or the first satellite signal processing module according to the pulse mode; then the system adaptation layer switches the switch array according to the current state; and the system adaptation layer sends a control signal to the AP chip, and the AP chip sends a first switch array switching control signal and a second switch array switching control signal to switch the PCM shared channel.
The AP chip outputs a switching control signal to the second switch array to select one of the plurality of communication modules to participate in communication; the AP chip outputs a switching control signal to the first switch array to control the first switch array to switch between the codec module and the Bluetooth module to form a PCM voice path.
As shown in fig. 3, the present invention further provides a multi-module voice data communication method, which adopts the above multi-module voice data communication system, and the specific voice communication method is as follows:
after receiving satellite signals, the first communication antenna and the second communication antenna transmit signal data to corresponding satellite processing modules;
the satellite processing module processes the received signal data;
the satellite processing module recodes the processed data into an AT instruction and reminds the system adaptation layer in a pulse mode;
after the system adaptation layer receives the pulse interruption, two parts of work are carried out:
the first part works as:
after receiving the pulse interruption, the system adaptation layer reads data from the serial port;
after the system adaptation layer reads data from the serial port, decoding and processing the information;
the system adaptation layer can inform the user interface according to the data type;
the second part is worked as:
the system adaptation layer distinguishes whether the pulse comes from the first satellite signal processing module or the first satellite signal processing module according to the mode of the pulse;
then the system adaptation layer switches the switch array according to the current state;
and the system adaptation layer sends a control signal to the AP chip to switch the PCM shared channel.
As a preferred embodiment, the AP chip sends a first switch array switching control signal and a second switch array switching control signal, and connects a satellite signal processing module participating in communication with a codec module by switching two switch arrays connected in series to form a PCM voice path; or the satellite signal processing module participating in communication is connected with the codec module and the Bluetooth module by switching two switch arrays connected in series to form a PCM voice path.
The working principle is further explained as follows:
when the AP chip judges that the first satellite signal processing module works, the AP chip sends an instruction to enable the second switch array to be accessed into the first satellite signal processing module, and meanwhile, the AP chip accesses the selected codec module or the selected Bluetooth module through the first switch array according to a CPU instruction arranged in the AP chip; when the first switch array is accessed to the selected codec module to participate in communication, the first satellite signal processing module decodes satellite data and transmits the decoded data to the codec module; the codec module encodes and decodes the audio and outputs the audio through a loudspeaker or a receiver;
in addition, when the first switch array is accessed to the selected Bluetooth module to participate in communication, the first satellite signal processing module decodes satellite data, and transmits the data to the codec module after decoding; the codec module encodes and decodes the audio and transmits the data to the Bluetooth module; the bluetooth module transmits data from the codec module to the remote device.
Correspondingly, when the AP chip judges that the second satellite signal processing module works, the AP chip sends an instruction to enable the second switch array to be accessed into the second satellite signal processing module, and meanwhile, the AP chip is accessed into the selected codec module or the selected Bluetooth module through the first switch array according to a CPU instruction arranged in the AP chip;
when the first switch array is accessed to the selected codec module to participate in communication, the second satellite signal processing module decodes the satellite data and transmits the decoded data to the codec module; the codec module encodes and decodes the audio and outputs the audio through a loudspeaker or a receiver;
in addition, when the first switch array is accessed to the selected Bluetooth module to participate in communication, the second satellite signal processing module decodes the satellite data, and transmits the data to the codec module after decoding; the codec module encodes and decodes the audio and transmits the data to the Bluetooth module; the bluetooth module transmits data from the codec module to the remote device.
As shown in fig. 4, in this embodiment, a specific method for switching the PCM sharing path is as follows:
after the system adaptation layer receives the pulse signal, processing the pulse coding and decoding;
decoding the post-processing message and checking whether the PCM channel needs to be switched;
when the PCM channel of the current system is consistent with the channel reminded by the pulse signal, the processing is not carried out;
when the current system PCM channel is inconsistent with the PCM channel prompted by the pulse signal, the system adaptation layer prepares to switch the PCM channel;
before switching the PCM channel, the system adaptation layer needs to check whether the PCM channel is switched or not, judge whether the current PCM channel is occupied or not, and if the PCM channel is occupied, the system adaptation layer cannot switch;
when the current PCM channel of the system is not occupied, the system adaptation layer sends a switching instruction to the AP chip to wait for the switching success of the PCM channel.
As shown in fig. 5, it should be added that the device provided by the present invention supports dual-frequency satellite communication at the same time, the first communication antenna is for a domestic satellite, and the second communication antenna is for a foreign satellite, THURAYA. The first satellite signal processing module aims at the domestic satellite large S, and the second satellite signal processing module aims at the foreign satellite THURAYA. Different antennas receive signals from different satellites. The antenna transmits signals from the satellite to the signal processing module. The processing module carries out encoding and decoding operation of signals according to signal conditions, the satellite signal processing module sends interruption reminding to processed data in a pulse mode, the system adaptation layer reads corresponding information from the serial port after receiving the interruption reminding of the pulse, and reminds the user interface layer respectively according to the type of the information, and the user interface layer can display a user interface according to the information provided by the system adaptation layer.
It should be added that, when the number of the communication modules is more than three, the second switch array needs to be expanded and cascaded, and corresponding switching control signals are added at the same time. When more than 2 modules need to be connected, only the second switch array needs to be expanded and cascaded or the first switch array is selected to be expanded, and corresponding control signals are added.
As shown in fig. 1, in the present embodiment, when the first switch array is switched to communicate with the codec module, the communication mode is a normal communication mode, the MIC and the erase MIC connected thereto are used as audio input sources, and the RECEIVER, the speech and the earphoseceiver are used as audio output devices; when the first switch array is switched to be communicated with the Bluetooth module, the Bluetooth equipment connected with the Bluetooth module provides audio input and output for the Bluetooth communication mode.
The invention connects the communication module participating in communication with the codec module or the Bluetooth module through two switch arrays connected in series to form a PCM voice channel. The system and the communication method provided by the invention can effectively reduce the hardware development cost and simultaneously reduce the software compiling difficulty and workload.
As shown in fig. 6, the present invention further provides another multi-module voice data communication method, which adopts the above multi-module voice data communication system, and the specific voice communication method is as follows:
the user opens the dial plate to dial;
the user interface layer receives the dialing information through the codec module or the Bluetooth module;
the user interface layer encodes the dialing information and then sends the dialing information to the system adaptation layer;
after the system adaptation layer decodes the information, the information is processed;
the system adaptation layer recodes the processed dialing information into AT to execute and sends the AT to a system driving module;
the system driving module forwards the execution to the satellite signal processing module;
after receiving the AT instruction, the satellite signal processing module recodes the request;
after encoding, the signal is sent to an antenna and transmitted.
In particular, codec module
The coder-decoder module directly receives audio information from the loudspeaker, after receiving the data, the coder-decoder module carries out coding and decoding, then transmits PCM data to the satellite signal processing module for processing, specifically carries out processing by a DSP module in the satellite signal processing module, and after the processing by the satellite signal processing module, the PCM data is transmitted to the satellite through the antenna.
In another case, the bluetooth module sends the audio data to the codec module after receiving the audio data from the remote end, the codec module performs coding and decoding after receiving the data, and then sends the PCM data to the DSP module of the satellite, and the satellite signal processing module processes the PCM data and sends the PCM data to the satellite through the antenna.
The invention is determined by a module dialed by an external telephone or a dialing module selected by a user, and the AP chip judges that the PCM channel of the working module is connected with the public end of the second switch array. Therefore, through the two switch arrays, the voice communication mode of each module can realize a normal mode and a Bluetooth mode, and the normal mode is subdivided into an earphone mode, an earphone mode and a hands-free mode. The invention connects the communication module participating in communication with the codec module or the Bluetooth module through two switch arrays connected in series to form a PCM voice channel. The system and the communication method provided by the invention can effectively reduce the hardware development cost and simultaneously reduce the software compiling difficulty and workload. The invention reduces the complexity of hardware design and the interference between signals by sharing the PCM channel, and increases the control of PCM data transmission by using the PCM switch switching channel. The PCM path is controlled by DRIVER, and the coupling with upper software is effectively reduced. The PCM path is transparent to the upper layer software, which does not do any PCM control. The control of the PCM is responsible for the DRIVER of the core, thus effectively reducing the complexity of the upper layer software.
There is no solution in current voice-data communication solutions that supports dual satellite voice communication simultaneously. The proposal of the invention effectively makes up the current technical blank; the present solutions are all solutions for cellular networks. The invention aims at the solution of dual-card dual-standby of the satellite, adopts dual antennas and dual radio frequency modules to process different satellite wave bands. When one satellite has communication problems, the other satellite can be automatically switched to communicate, and the communication is ensured to be normal.
The invention has an earphone mode, a receiver mode and a Bluetooth mode, and the three modes use the same PCM data channel, thereby effectively reducing the complexity of hardware and simultaneously reducing the power consumption of the hardware. The system can have more standby time and increased service time of the battery; meanwhile, the hardware production cost is reduced, and the reusability of hardware design is increased. And simultaneously, the software compiling difficulty and workload are reduced.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A multi-module voice-data communication system, characterized by: the system comprises more than two satellite signal processing modules, an AP chip, a first switch array, a second switch array, a coder-decoder module and a Bluetooth module;
the AP chip controls more than two satellite signal processing modules to carry out data communication, one end of the second switch array is electrically connected with more than two satellite signal processing modules, the other end of the second switch array is electrically connected with one end of the first switch array, the other end of the first switch array is electrically connected with the codec module, and the Bluetooth module is in communication connection with the codec module;
the first switch array and the second switch array are single-pole double-throw analog switch arrays, and the AP chip is used for outputting switching control signals to the first switch array and the second switch array;
the satellite signal processing module comprises a first satellite signal processing module and a second satellite signal processing module; the first satellite signal processing module is connected with a first communication antenna, the second satellite signal processing module is connected with a second communication antenna, and the Bluetooth module is connected with a Bluetooth antenna;
the multi-module voice data communication system also comprises a system adaptation layer and a user interface layer;
the first communication antenna transmits signals from the first satellite to the first satellite signal processing module; the first satellite signal processing module carries out coding and decoding operations on received signals, the first satellite signal processing module sends interruption prompts to processed data in a pulse mode, the system adaptation layer reads corresponding information from the serial port after receiving the interruption prompts of the pulse, and respectively prompts a user interface layer according to the type of the information, and the user interface layer can display a user interface according to the information provided by the system adaptation layer;
the second communication antenna transmits the signal from the second satellite to the second satellite signal processing module; the second satellite signal processing module carries out coding and decoding operations on the received signals, the second satellite signal processing module sends interruption reminding to the processed data in a pulse mode, the system adaptation layer reads corresponding information from the serial port after receiving the interruption reminding of the pulse, and reminds the user interface layer respectively according to the type of the information, and the user interface layer can display a user interface according to the information provided by the system adaptation layer.
2. The multi-module voice data communication system of claim 1, wherein: the system adaptation layer is reminded in a multi-module voice data communication system in a pulse mode, and the system adaptation layer distinguishes whether the pulse comes from the first satellite signal processing module or the first satellite signal processing module according to the pulse mode; then the system adaptation layer switches the switch array according to the current state; and the system adaptation layer sends a control signal to the AP chip, and the AP chip sends a first switch array switching control signal and a second switch array switching control signal to switch the PCM shared channel.
3. The multi-module voice data communication system of claim 2, wherein: the AP chip outputs a switching control signal to the second switch array to select one of the plurality of communication modules to participate in communication; the AP chip outputs a switching control signal to the first switch array to control the first switch array to switch between the codec module and the Bluetooth module to form a PCM voice channel.
4. A multi-module voice data communication system according to any one of claims 1 to 3, wherein: the first communication module is provided with a first SIM card, and the second communication module is provided with a second SIM card; and the codec module is also connected with a microphone, a receiver, a loudspeaker and an earphone.
5. A multi-module voice data communication method is characterized in that: the method adopts the multi-module voice data communication system of any one of the claims 1 to 4, and the specific voice communication method is as follows:
after receiving satellite signals, the first communication antenna and the second communication antenna transmit signal data to corresponding satellite processing modules;
the satellite processing module processes the received signal data;
the satellite processing module recodes the processed data into an AT instruction and reminds the system adaptation layer in a pulse mode;
after the system adaptation layer receives the pulse interruption, two parts of work are carried out:
the first part works as:
after receiving the pulse interruption, the system adaptation layer reads data from the serial port;
after the system adaptation layer reads data from the serial port, decoding and processing the information;
the system adaptation layer can inform the user interface according to the data type;
the second part is worked as:
the system adaptation layer distinguishes whether the pulse comes from the first satellite signal processing module or the first satellite signal processing module according to the mode of the pulse;
then the system adaptation layer switches the switch array according to the current state;
and the system adaptation layer sends a control signal to the AP chip to switch the PCM shared channel.
6. The multi-module voice data communication method of claim 5, wherein: the AP chip sends out a first switch array switching control signal and a second switch array switching control signal, and the satellite signal processing module participating in communication is connected with the codec module by switching two switch arrays connected in series to form a PCM voice channel; or
And connecting the satellite signal processing module participating in communication with the codec module and the Bluetooth module by switching two switch arrays connected in series to form a PCM voice channel.
7. The multi-module voice data communication method of claim 5, wherein:
when the AP chip judges that the first satellite signal processing module works, the AP chip sends an instruction to enable the second switch array to be accessed into the first satellite signal processing module, and meanwhile, the AP chip accesses the selected codec module or the selected Bluetooth module through the first switch array according to a CPU instruction arranged in the AP chip; when the first switch array is accessed to the selected codec module to participate in communication, the first satellite signal processing module decodes satellite data and transmits the decoded data to the codec module; the codec module encodes and decodes the audio and outputs the audio;
in addition, when the first switch array is accessed to the selected Bluetooth module to participate in communication, the first satellite signal processing module decodes satellite data, and transmits the data to the codec module after decoding; the codec module encodes and decodes the audio and transmits the data to the Bluetooth module; the bluetooth module transmits data from the codec module to the remote device.
8. The multi-module voice data communication method of claim 5, wherein:
when the AP chip judges that the second satellite signal processing module works, the AP chip sends an instruction to enable the second switch array to be accessed into the second satellite signal processing module, and meanwhile, the AP chip accesses the selected codec module or the selected Bluetooth module through the first switch array according to a CPU instruction arranged in the AP chip;
when the first switch array is accessed to the selected codec module to participate in communication, the second satellite signal processing module decodes the satellite data and transmits the decoded data to the codec module; the codec module encodes and decodes the audio and outputs the audio;
in addition, when the first switch array is accessed to the selected Bluetooth module to participate in communication, the second satellite signal processing module decodes the satellite data, and transmits the data to the codec module after decoding; the codec module encodes and decodes the audio and transmits the data to the Bluetooth module; the bluetooth module transmits data from the codec module to the remote device.
9. The multi-module voice data communication method according to any one of claims 5 to 8, wherein: the specific method for switching the PCM sharing path is as follows:
after the system adaptation layer receives the pulse signal, processing the pulse coding and decoding;
decoding the post-processing message and checking whether the PCM channel needs to be switched;
when the PCM channel of the current system is consistent with the channel reminded by the pulse signal, the processing is not carried out;
when the current system PCM channel is inconsistent with the PCM channel prompted by the pulse signal, the system adaptation layer prepares to switch the PCM channel;
before switching the PCM channel, the system adaptation layer needs to check whether the PCM channel is switched or not, judge whether the current PCM channel is occupied or not, and if the PCM channel is occupied, the system adaptation layer cannot switch;
when the current PCM channel of the system is not occupied, the system adaptation layer sends a switching instruction to the AP chip to wait for the switching success of the PCM channel.
10. A multi-module voice data communication method is characterized in that: the method adopts the multi-module voice data communication system of any one of the claims 1 to 4, and the specific voice communication method is as follows:
the user interface layer receives the dialing information through the codec module or the Bluetooth module;
the user interface layer encodes the dialing information and then sends the dialing information to the system adaptation layer;
the system adaptation layer decodes the dialing information and processes the dialing information;
the system adaptation layer recodes the processed dialing information into AT to execute and sends the AT to a system driving module;
the system driving module forwards the execution to the satellite signal processing module;
after receiving the AT instruction, the satellite signal processing module recodes the request;
after encoding, the signal is sent to an antenna and transmitted.
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Application publication date: 20180717 Assignee: Qixing Communication Technology (Anhui) Co.,Ltd. Assignor: SEVEN STAR COMMUNICATION TECHNOLOGY Co.,Ltd. Contract record no.: X2023980034842 Denomination of invention: A multi-module voice data communication system and method Granted publication date: 20200901 License type: Exclusive License Record date: 20230417 |