CN112233349A - Intelligent face brushing terminal voice alarm method, system, equipment and medium - Google Patents
Intelligent face brushing terminal voice alarm method, system, equipment and medium Download PDFInfo
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- CN112233349A CN112233349A CN202010933796.1A CN202010933796A CN112233349A CN 112233349 A CN112233349 A CN 112233349A CN 202010933796 A CN202010933796 A CN 202010933796A CN 112233349 A CN112233349 A CN 112233349A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0018—Constructional details, e.g. of drawer, printing means, input means
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/12—Cash registers electronically operated
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Abstract
The invention discloses a voice alarm method, a system, equipment and a medium for an intelligent face brushing terminal, wherein the method comprises the following steps: the safe CPU and the multimedia CPU are respectively electrified and started, and are communicated with each other; the safety CPU carries out safety mechanism detection, judges whether the safety of the face brushing terminal is triggered, if so, clears sensitive information, resets the multimedia CPU, sends an alarm instruction to the multimedia CPU, and simultaneously interrupts the communication with the multimedia CPU, the multimedia CPU outputs a prefabricated alarm voice audio digital signal, otherwise, the safety CPU authenticates the multimedia CPU instruction, starts and operates an android system to carry out financial transaction operation, and the multimedia CPU outputs an audio digital signal of the transaction operation; the audio digital signals are decoded by an audio decoder to output analog audio signals, and the analog audio signals are amplified by a power amplifier to drive the double loudspeakers to perform voice broadcasting. The invention does not need a buzzer sound electric appliance, realizes voice alarm, reduces the design cost and the manufacturing cost of equipment, and simultaneously improves the human-computer interaction experience.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a voice alarm method, system, equipment and medium for an intelligent face brushing terminal.
Background
The existing intelligent face brushing terminal with a physical safety mechanism, particularly a transaction terminal such as a POS machine, uses a buzzer as an electroacoustic device for alarming when safety is triggered, the buzzer is only controlled by a safety CPU and is used for outputting alarm audio when the safety mechanism is triggered, and the safety CPU outputs a pulse signal which is amplified to push the buzzer to emit sound with certain frequency, such as 'drip' sound; on the other hand, because intelligence brush face terminal, when normal transaction operation, need use functions such as voice broadcast, for better realization audio broadcast function, promote audio broadcast loudness and quality, the terminal must be furnished with loudspeaker, and the structural design of product goes up the audio component quantity and has increased like this, also makes its trompil number increase, and the design complexity increases, and assembly process and the degree of difficulty increase, and the cost of complete machine has just also improved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the voice alarm method, the voice alarm system, the voice alarm equipment and the medium for the intelligent face brushing terminal, a buzzer part is not needed, the existing loudspeaker is used for replacing a buzzer sound electric appliance, a voice alarm mechanism is realized, the design cost and the manufacturing cost of the equipment are reduced, and meanwhile, the human-computer interaction experience is improved.
In a first aspect, the present invention provides a voice alarm method for an intelligent face-brushing terminal, where the method needs to provide a secure CPU, a multimedia CPU, an audio decoder, an audio power amplifier, and a speaker, and the method includes the following steps:
step 1, respectively electrifying and starting a secure CPU and a multimedia CPU, wherein the secure CPU and the multimedia CPU are communicated with each other;
and 3, decoding the audio digital signals output by the multimedia CPU through an audio decoder, outputting analog audio signals, amplifying the analog audio signals through an audio power amplifier, and then driving the double loudspeakers to perform voice broadcasting.
Furthermore, the multimedia CPU is controlled by a safe CPU, and the safe CPU controls the multimedia CPU to reset through the high and low levels of the output reset signal, so that the multimedia CPU is controlled to be restarted.
Furthermore, the number of the audio power amplifiers and the number of the loudspeakers are two.
Further, intelligence brush face terminal includes the POS machine.
In a second aspect, the invention provides an intelligent face-brushing terminal voice alarm system, which needs to provide a safe CPU, a multimedia CPU, an audio decoder, an audio power amplifier and a loudspeaker, and comprises a double-CPU starting module, an audio triggering module and a voice broadcasting module;
the dual-CPU starting module is used for respectively electrifying and starting the secure CPU and the multimedia CPU, and the secure CPU and the multimedia CPU are communicated with each other;
the audio triggering module is used for carrying out safety mechanism detection through the safety CPU and judging whether the face brushing terminal is triggered safely or not, if so, the safety CPU clears sensitive information, resets the multimedia CPU and sends an alarm instruction to the multimedia CPU, meanwhile, the safety CPU interrupts communication with the multimedia CPU and prohibits the terminal from financial transaction, after the multimedia CPU receives the alarm instruction, the multimedia CPU outputs a prefabricated alarm voice audio digital signal, otherwise, the safety CPU authenticates the multimedia CPU instruction, starts and operates an android system to carry out financial transaction operation, and the multimedia CPU outputs a voice audio digital signal of transaction operation;
the voice broadcast module is used for decoding audio digital signals output by the multimedia CPU through the audio decoder, outputting analog audio signals, amplifying the analog audio signals through the audio power amplifier, and then driving the double loudspeakers to perform voice broadcast.
Furthermore, the multimedia CPU is controlled by a safe CPU, and the safe CPU controls the multimedia CPU to reset through the high and low levels of the output reset signal, so that the multimedia CPU is controlled to be restarted.
Furthermore, the number of the audio power amplifiers and the number of the loudspeakers are two.
Further, intelligence brush face terminal includes the POS machine.
In a third aspect, the present invention provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of the first aspect when executing the program.
In a fourth aspect, the invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the method of the first aspect.
The invention has the advantages that:
1. the buzzer part of the intelligent face brushing terminal is removed, the loudspeaker in the terminal is used for replacing a honey device electroacoustic device to give an alarm, the loudspeaker in the terminal can be used for audio output in a transaction operation link, and can also be used for carrying out voice alarm under the conditions that the face recognition terminal is attacked, invaded and the like.
2. When the terminal normally works, the safety mechanism is not triggered, and under the normal working condition of the face brushing terminal, the double loudspeakers work simultaneously, so that the loudness of voice broadcast is improved, the voice broadcast tone quality is improved, the user experience is enhanced, and particularly, under a noisy environment, the information can be effectively broadcast, and the transaction operation condition is accurately prompted.
3. When the intelligent face brushing terminal is attacked and invaded, the safety mechanism is triggered, the multimedia CPU is reset by the safety CPU and then restarted, the safety CPU controls the multimedia CPU to perform voice alarm, so that the alarm is more effective and more humanized, more friendly man-machine interaction experience is provided for terminal users or clients, safety notification, use notices and the like are performed, meanwhile, the anti-theft attacker is deterred, and the financial loss risk caused by illegal invasion of the terminal is reduced.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is an execution flow chart of the voice alarm method of the intelligent face brushing terminal of the invention.
Fig. 2 is a block diagram of an intelligent face brushing terminal voice alarm system of the present invention.
Fig. 3 is a schematic structural diagram of an electronic device according to a third embodiment of the invention;
fig. 4 is a schematic structural diagram of a medium according to a fourth embodiment of the present invention.
Fig. 5 is a general principle schematic diagram of the dual horn of the present invention.
Fig. 6 is a schematic diagram illustrating a serial connection principle between a secure CPU and a multimedia CPU according to an embodiment of the present invention.
Fig. 7 is a flowchart of a process of controlling the restart of the multimedia CPU by the secure CPU according to an embodiment of the present invention.
Fig. 8 is a circuit signal connection diagram of the secure CPU controlling the restart of the multimedia CPU according to an embodiment of the present invention.
Detailed Description
The embodiment of the application provides a voice alarm method, a voice alarm system, voice alarm equipment and a voice alarm medium for an intelligent face brushing terminal, and is used for solving the problems that an existing face brushing transaction terminal is complex in structure and single in alarm form.
The technical scheme in the embodiment of the application has the following general idea: in order to make a physical safety protection design, a double-CPU architecture design scheme is adopted, namely a design scheme of a safety CPU + a multimedia CPU, the design of a safety CPU protection terminal of a financial safety level is used, when a safety mechanism is invaded, a safety mechanism switch is triggered to clear sensitive data such as a secret key of the terminal, and the like, and the safety CPU controls the multimedia CPU to output a preset alarm audio signal and broadcasts the alarm audio signal through a loudspeaker; the safety mechanism is not invaded, the safety mechanism switch is not triggered, the terminal can normally trade, the loudspeaker is used for voice broadcast of financial transaction information at the moment, and the multimedia CPU controls and outputs corresponding voice broadcast contents.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Example one
Referring to fig. 1, the intelligent face brushing terminal voice alarm method of the present invention, where the face brushing terminal may be a POS machine and needs to provide a secure CPU, a multimedia CPU, an audio decoder, an audio Power Amplifier (PA) and a speaker, includes the following steps:
step 1, respectively electrifying and starting a secure CPU and a multimedia CPU, wherein the secure CPU and the multimedia CPU are communicated with each other; specifically, the chip model of the secure CPU is MH1902, the chip model of the multimedia CPU is RK3288, and the secure CPU and the multimedia CPU communicate with each other in a serial communication manner, as shown in fig. 6, 1902_ U1_ RX sends a signal to the multimedia CPU and a signal received by the secure CPU, UART1_ RX _3.3V sends a signal to the secure CPU and a signal received by the multimedia CPU.
step 3, decoding the audio digital signals output by the multimedia CPU through an audio decoder, outputting analog audio signals, amplifying the analog audio signals through an audio power amplifier, and then driving the double loudspeakers to perform voice broadcast;
preferably, the step 1 specifically comprises: and respectively powering on and starting the secure CPU and the multimedia CPU, initializing the environment by the secure CPU, starting the BOOT by the multimedia CPU, and communicating the secure CPU and the multimedia CPU.
Preferably, the level of the secure CPU is higher than that of the multimedia CPU, the multimedia CPU is controlled by the secure CPU, and the secure CPU controls the multimedia CPU to reset through the high-low level of the output reset signal, thereby controlling the restart of the multimedia CPU. Specifically, as shown in fig. 7 and 8, when the security is triggered, the security CPU clears the sensitive information and simultaneously pulls down the output RESET signal 1902RSTRK, thereby pulling down the RESET signal RK _ RESET level of the multimedia CPU, thereby triggering the multimedia CPU to restart, and when the security is not triggered, the security CPU pulls up the RESET signal 1902RSTRK, keeping the multimedia CPU RESET pin input signal RK _ RESET at a high level, and the multimedia CPU is normally started.
Preferably, the number of the audio power amplifiers and the number of the loudspeakers are two, two circular loudspeakers are arranged in the face brushing terminal, the control principle of double-loudspeaker alarming is shown in fig. 5, the safe CPU controls the multimedia CPU to output audio digital signals, the digital audio signals are decoded by a decoding chip to output analog audio signals, and the analog audio signals are amplified by a D-type audio loudspeaker power amplifier to be PA1 and PA2 to push the corresponding loudspeakers to perform voice alarming.
Preferably, the pre-fabricated alarm voice audio signal is stored in a ROM of the face-brushing terminal. The specific content of the alarm voice audio signal is prefabricated in advance and can be customized according to requirements, such as: "this terminal has been illegally attacked, prohibiting the transaction! "," the terminal has been illegally intruded, locked, and alarm! "," this terminal has been attacked and is unusable, please contact after sale! "and the like. Can support the global language customization of Chinese, English, French, German, Japanese, Korean, Thai, etc. Through the voice broadcasting method, when the intelligent face brushing terminal is invaded illegally, the alarm content is richer and more direct, the voice alarm is realized, the alarm is more effective and more humanized, more friendly man-machine interaction experience is provided for terminal users or clients, the safe notification is realized, the use attention is given, meanwhile, the method plays a role in frightening illegal attackers, and the financial loss risk caused after the terminal is invaded illegally is reduced.
Example two
Referring to fig. 2, according to the voice alarm system for the intelligent face brushing terminal of the present invention, the face brushing terminal may be a POS machine, and a secure CPU, a multimedia CPU, an audio decoder, an audio Power Amplifier (PA) and a speaker are provided, where the system includes a dual-CPU starting module 201, an audio triggering module 202, and a voice broadcasting module 203;
the dual-CPU starting module 201 is used for respectively powering on and starting the secure CPU and the multimedia CPU, and the secure CPU and the multimedia CPU are communicated with each other; specifically, a secure CPU and a multimedia CPU are respectively powered on and started, the secure CPU performs environment initialization, the multimedia CPU starts BOOT, and the secure CPU and the multimedia CPU communicate with each other; specifically, the chip model of the secure CPU is MH1902, the chip model of the multimedia CPU is RK3288, and the secure CPU and the multimedia CPU communicate with each other in a serial communication manner, as shown in fig. 6, 1902_ U1_ RX sends a signal to the multimedia CPU and a signal received by the secure CPU, UART1_ RX _3.3V sends a signal to the secure CPU and a signal received by the multimedia CPU.
The audio triggering module 202 is used for detecting a safety mechanism through the safety CPU, judging whether the safety of the face brushing terminal is triggered, if so, the safety CPU clears sensitive information, resetting the multimedia CPU, the multimedia CPU enters into restart, the safety CPU sends an alarm instruction to the multimedia CPU, meanwhile, the safety CPU interrupts communication with the multimedia CPU, and prohibits operations such as terminal financial transaction and the like, after the multimedia CPU receives the alarm instruction, the multimedia CPU outputs a prefabricated alarm audio digital signal by responding to a corresponding service event, otherwise, the safety CPU authenticates the multimedia CPU instruction, starts and operates an android system, performs financial transaction operation, and the multimedia CPU outputs an audio digital signal of transaction operation;
the voice broadcasting module 203 is configured to decode the audio digital signal output by the multimedia CPU through an audio decoder, output an analog audio signal, amplify the analog audio signal through an audio power amplifier, and then drive the dual speakers to perform voice broadcasting;
preferably, the level of the secure CPU is higher than that of the multimedia CPU, the multimedia CPU is controlled by the secure CPU, and the secure CPU controls the multimedia CPU to reset through the high-low level of the output reset signal, thereby controlling the restart of the multimedia CPU. Specifically, as shown in fig. 7 and 8, when the security is triggered, the security CPU clears the sensitive information and simultaneously pulls down the output RESET signal 1902RSTRK, thereby pulling down the RESET signal RK _ RESET level of the multimedia CPU, thereby triggering the multimedia CPU to restart, and when the security is not triggered, the security CPU pulls up the RESET signal 1902RSTRK, keeping the multimedia CPU RESET pin input signal RK _ RESET at a high level, and the multimedia CPU is normally started.
Preferably, the number of the audio power amplifiers and the number of the loudspeakers are two, two circular loudspeakers are arranged in the face brushing terminal, the control principle of double-loudspeaker alarming is shown in fig. 5, the safe CPU controls the multimedia CPU to output audio digital signals, the digital audio signals are decoded by a decoding chip to output analog audio signals, and the analog audio signals are amplified by a D-type audio loudspeaker power amplifier to be PA1 and PA2 to push the corresponding loudspeakers to perform voice alarming.
Preferably, the pre-fabricated alarm voice audio signal is stored in a ROM of the face-brushing terminal. The specific content of the alarm voice audio signal is prefabricated in advance and can be customized according to requirements, such as: "this terminal has been illegally attacked, prohibiting the transaction! "," the terminal has been illegally intruded, locked, and alarm! "," this terminal has been attacked and is unusable, please contact after sale! "and the like. Can support the global language customization of Chinese, English, French, German, Japanese, Korean, Thai, etc. Through the voice broadcasting method, when the intelligent face brushing terminal is invaded illegally, the alarm content is richer and more direct, the voice alarm is realized, the alarm is more effective and more humanized, more friendly man-machine interaction experience is provided for terminal users or clients, the safe notification is realized, the use attention is given, meanwhile, the method plays a role in frightening illegal attackers, and the financial loss risk caused after the terminal is invaded illegally is reduced.
EXAMPLE III
Referring to fig. 3, the present invention provides an electronic device 300, which includes a memory 301, a processor 302, and a computer program 303 stored in the memory 301 and running on the processor, wherein when the processor 302 executes the computer program, any one of the embodiments may be implemented.
Example four
Referring to fig. 4, the present invention provides a computer readable storage medium 400, on which a computer program 401 is stored, which when executed by a processor, can implement any one of the embodiments.
The technical scheme provided by the embodiment of the invention at least has the following technical effects or advantages: the invention is designed without arranging a buzzer part, and the buzzer is replaced by a horn arranged in the terminal to realize alarm. When the face recognition terminal is attacked and invaded, the safety mechanism is triggered, and the terminal carries out a voice alarm mechanism. When the terminal normally works, the safety mechanism is not triggered, and under the normal working condition of the face brushing terminal, the double loudspeakers work simultaneously, so that the loudness of voice broadcast is improved, the voice broadcast tone quality is improved, the user experience is enhanced, and particularly, under a noisy environment, the information can be effectively broadcast, and the transaction operation condition is accurately prompted. When the face brushing terminal is attacked and invaded, the safety mechanism is triggered, the safety CPU controls the multimedia CPU to perform voice alarm, so that the alarm is more effective and more humanized, more friendly man-machine interaction experience is provided for terminal users or clients, and the safety notice, use notice and the like are provided, meanwhile, the anti-theft alarm plays a role in frightening illegal attackers, and the financial loss risk caused after the terminal is invaded illegally is reduced.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (10)
1. An intelligent face brushing terminal voice alarm method is characterized in that: a safe CPU, a multimedia CPU, an audio decoder, an audio power amplifier and a loudspeaker are required to be provided, and the method comprises the following steps:
step 1, respectively electrifying and starting a secure CPU and a multimedia CPU, wherein the secure CPU and the multimedia CPU are communicated with each other;
step 2, safety mechanism detection is carried out through the safety CPU, whether the safety of the face brushing terminal is triggered or not is judged, if yes, the safety CPU clears sensitive information, the multimedia CPU is reset, an alarm instruction is sent to the multimedia CPU, meanwhile, the safety CPU interrupts communication with the multimedia CPU, financial transaction of the terminal is forbidden, after the multimedia CPU receives the alarm instruction, the multimedia CPU outputs a prefabricated alarm voice audio digital signal, otherwise, the safety CPU authenticates the multimedia CPU instruction, starts and operates an android system, financial transaction operation is carried out, and the multimedia CPU outputs a voice audio digital signal of transaction operation;
and 3, decoding the audio digital signals output by the multimedia CPU through an audio decoder, outputting analog audio signals, amplifying the analog audio signals through an audio power amplifier, and then driving the double loudspeakers to perform voice broadcasting.
2. The intelligent face brushing terminal voice alarm method as claimed in claim 1, characterized in that: the multimedia CPU is controlled by the safe CPU, and the safe CPU controls the multimedia CPU to reset through the high and low levels of the output reset signal, so that the multimedia CPU is controlled to be restarted.
3. The intelligent face brushing terminal voice alarm method as claimed in claim 1, characterized in that: the number of the audio power amplifiers and the number of the loudspeakers are two.
4. The intelligent face brushing terminal voice alarm method as claimed in claim 1, characterized in that: the intelligent face brushing terminal comprises a POS machine.
5. The utility model provides an intelligence terminal audio alert system that brushes face which characterized in that: the system comprises a double CPU starting module, an audio triggering module and a voice broadcasting module;
the dual-CPU starting module is used for respectively electrifying and starting the secure CPU and the multimedia CPU, and the secure CPU and the multimedia CPU are communicated with each other;
the audio triggering module is used for carrying out safety mechanism detection through the safety CPU and judging whether the face brushing terminal is triggered safely or not, if so, the safety CPU clears sensitive information, resets the multimedia CPU and sends an alarm instruction to the multimedia CPU, meanwhile, the safety CPU interrupts communication with the multimedia CPU and prohibits the terminal from financial transaction, after the multimedia CPU receives the alarm instruction, the multimedia CPU outputs a prefabricated alarm voice audio digital signal, otherwise, the safety CPU authenticates the multimedia CPU instruction, starts and operates an android system to carry out financial transaction operation, and the multimedia CPU outputs a voice audio digital signal of transaction operation;
the voice broadcast module is used for decoding audio digital signals output by the multimedia CPU through the audio decoder, outputting analog audio signals, amplifying the analog audio signals through the audio power amplifier, and then driving the double loudspeakers to perform voice broadcast.
6. The intelligent face brushing terminal voice alarm system of claim 5, wherein: the multimedia CPU is controlled by the safe CPU, and the safe CPU controls the multimedia CPU to reset through the high and low levels of the output reset signal, so that the multimedia CPU is controlled to be restarted.
7. The intelligent face brushing terminal voice alarm method as claimed in claim 5, characterized in that: the number of the audio power amplifiers and the number of the loudspeakers are two.
8. The intelligent face brushing terminal voice alarm method as claimed in claim 5, characterized in that: the intelligent face brushing terminal comprises a POS machine.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 4 when executing the program.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 4.
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