CN100481015C - Non-invasion monitoring method and system for real-time signal processing system - Google Patents
Non-invasion monitoring method and system for real-time signal processing system Download PDFInfo
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- CN100481015C CN100481015C CNB2005100979910A CN200510097991A CN100481015C CN 100481015 C CN100481015 C CN 100481015C CN B2005100979910 A CNB2005100979910 A CN B2005100979910A CN 200510097991 A CN200510097991 A CN 200510097991A CN 100481015 C CN100481015 C CN 100481015C
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Abstract
This invention discloses one real time signal process system non-intruding monitor method and its method, wherein, the method comprises the following steps: connecting the processor to the real time signal process system; real time signal process system connected processors for data transmission and the monitor processor receives transmission data; the processor receives the processed data and sending it to the monitor end for process. The system comprises real time signal process system, monitor processor and data process output end.
Description
Technical field
The present invention relates to the monitoring method and the system of signal between a kind of processor of interconnection of system for real-time signal processing.
Background technology
Complicated system for real-time signal processing comprises 2 or more processor (comprising DSP and MCU) usually, interconnects by serial ports or other data paths between the processor.Wherein DSP (DigitalSignal Processor) can be converted to continuous signal the information that computing machine can be handled.Such as people's one's voice in speech, be exactly a continuous signal.In addition, also be continuous signal as light, pressure, temperature etc.The conversion of these signals by a simulation-to-digital becomes digital signal and gives processor, carries out digital computation, after processing finishes, again the result become continuous signal by numeral again to the conversion of simulation.General general MCU (microprocessor) also can finish these work.DSP has high processing speed, can be used for having the occasion that very high real-time requires.When conversing,, just can only wait for that a side pipes down afterwards and the opposing party could converse if processing speed is very slow by mobile phone.The DSP range of application is wider.
In the process of system for real-time signal processing real time execution, there is the exchanges data of burst usually in above-mentioned data path.Therefore, provide the Observations Means of the exchanges data between the processor node that comprises DSP, especially in real-time mode, for understanding system running state, Precise Position System fault and statistical system performance have important practical value.
At present, signal monitoring is mainly undertaken by the processor development system in the system for real-time signal processing, download comprise systemic-function and monitoring function in interior program in processor, watchdog routine is collected information needed under the situation of system's operation, by the mode that conditional breakpoint is set system running state is stopped, derive relevant information by the processor development system, carry out the backstage and analyze, thereby finish the coherent signal monitoring.
But existing monitoring method is the program that will realize monitoring function to be embedded in the systemic-function program, need make amendment to the software of monitored system; And the monitoring function program implementation need take the storage space and the processing power of monitored system; Monitor by the mode that conditional breakpoint is set, then be subject to the storage capacity of system etc., can't monitor for a long time.
Summary of the invention
At existing problem and shortage in the above-mentioned existing monitoring method, the purpose of this invention is to provide a kind of non-invasion monitoring method and system of system for real-time signal processing of the real time execution that does not disturb monitored system.
The present invention is achieved in that a kind of non-invasion monitoring method of system for real-time signal processing, may further comprise the steps:
(1) processor that will monitor usefulness is connected between the processor of the interconnection in the system for real-time signal processing;
When (2) carrying out data transmission between the processor of the interconnection in the system for real-time signal processing, the data of transmitting between interconnecting processor described in the processor lock-on signal disposal system of monitoring usefulness;
(3) processor of monitoring usefulness is sent to the monitoring side with the data of being caught and carries out respective handling;
Wherein, connect by serial ports between the processor that interconnects in the described system for real-time signal processing; The processor of monitoring usefulness is provided with the serial ports with the processor serial port compatibility of described interconnection, between the processor that interconnects in the processor of monitoring usefulness and the system for real-time signal processing by corresponding serial ports connection.
A kind of non-intruding monitor system of system for real-time signal processing, comprise at least 2 interconnected processors in the described system for real-time signal processing, connect by serial ports between the described interconnecting processor, this system also comprises processor of monitoring usefulness and the data processing outlet terminal that is connected with this processor, described monitoring is provided with serial ports with the processor serial port compatibility of described interconnection with processor, and the processor of monitoring usefulness is connected by the processor of the interconnection in the corresponding serial ports that is provided with and the described system for real-time signal processing, catch the transmission signals between the processor of the interconnection in the described system for real-time signal processing, and the data of being caught are sent to the data processing outlet terminal.
Here, the signal that transmits between the described interconnecting processor is an electric signal.Accordingly, isolate by impact damper between the processor of described monitoring usefulness and the processor of the interconnection in the system for real-time signal processing, the processor of promptly described monitoring usefulness is only caught the signal of the processor transmitting terminal of the interconnection in the system for real-time signal processing; Interference with the processor of avoiding monitoring usefulness.But data that the processor transparent transmission of described monitoring usefulness is caught or these data are carried out output again after the respective handling.Described data processing outlet terminal can be has that message receives and the computing machine of analytic function, and it is connected in the processor of monitoring usefulness directly or by network.As long as the serial ports of the processor of the interconnection in the described system for real-time signal processing can be realized Data Receiving and send, can be multichannel buffered serial port (McBSP, Multichannel Buffered Serial Port), serial communication interface (SCI, SerialCommunication Interface), connector (Linkport), universal asynchronous receiver-transmitter (UART, Universal Asynchronous Receiver and Transmitter) interface, single bus (One-ware) interface, internal integrate circuit bus (Inter-Integrated Circuit) interface, Serial Peripheral Interface (SPI) (SPI, Serial Peripheral Interface), little line (Microware) interface, Multi Channel Controller (MCC, Multi-Channel Controller) interface, Fast Communications Controller (FCC, Fast Communication Controller) interface, serial communication controller (SCC, Serial Communication Controller) interface, Serial Management Controller (SMC, Serial Management Controller) interface etc. one of them.
The processor that the present invention directly will monitor usefulness is connected between the interconnecting processor of communication, finishes the obtaining in real time of monitor signal, and the signal that obtains is sent to the backstage analyzes.Therefore, the present invention can obtain any signal of monitored end communication, and can not take the storage space of system for real-time signal processing, as long as backstage memory capacity is enough big, can realize enough continuous monitorings for a long time.The present invention can finish to a plurality of serial ports of a DSP or to the serial ports monitoring of a plurality of DSP, and can monitor a plurality of serial communications of monitored real-time system simultaneously.
The present invention need not the software of monitored system is made amendment, and has guaranteed monitoring accuracy, and does not take any hardware resource of monitored system.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1, system for real-time signal processing comprises the DSP (there is shown 2 DSP, i.e. DSP1 and DSP2) more than 2 or 2, and it connects by corresponding serial ports, the line correlation communication of going forward side by side.Here, the DSP serial ports adopts multichannel buffer serial port commonly used.DSP1 and DSP2 are connected to each other by McBSP.For realizing that the signal between DSP1 and the DSP2 is monitored, the present invention utilizes DSP to finish signal monitoring equally, is connected in the serial ports that is connected of DSP1 and DSP2 by the McBSP of monitoring DSP, as shown in the figure.The illustrated process device can be the DSP of TI company.
McBSP of the present invention can finish the serial exchange of inside and outside data, has sizable dirigibility.General McBSP comprises data input pin DR, data output pin DX, data with clock information clock pin CLKR, sends data bit clock pin CLKX, receiving data frames clock pin FSR and receiving data frames clock pin FSX, wherein reception, tranmitting data register and synchronization frame signal both can be provided by external unit, can be provided by internal clock generator again.DR, the CLKR of the McBSP of monitoring DSP and DX, CLKX and the FSX that the FSR pin is connected to the McBSP of DSP1, not disturbed for guaranteeing the communication between DSP1 and the DSP2, DR, CLKR and the FSR pin connecting line of the McBSP of monitoring DSP are provided with impact damper, this impact damper can be isolated input end and output terminal, input end is exported by output terminal after receiving behind the signal and postponing through certain hour again.Like this, can make the electric signal on the DSP1 be sent to monitoring DSP smoothly, and the signal on the monitoring DSP can not interfere with DSP1 and DSP2.Monitoring DSP can realize the DSP1 serial ports is sent the captured in real time of data.
When DSP1 sends data to the McBSP of DSP2 by the McBSP serial ports, because be connected to the McBSP receiving end of monitoring DSP after the isolation of the signal line passes impact damper of the McBSP serial ports transmitting terminal of DSP1, thus monitoring DSP and DSP2 captured in real time the same data that send of DSP1.
Monitoring DSP of the present invention can directly resolve and respective handling the above-mentioned data of intercepting, and is sent to backstage (PC) then and handles.Certainly, can be as required, directly with data penetration transmission to PC.Perhaps, be directly connected in monitoring DSP with communication controler by PCI (Peripheral Component Interconnect) or HPI (host-port I nterface), by communication controler interception data is sent to PC by wireless or cable network, finish the processing and the analysis of data by PC, and, finish whole observation process by output port output.
The present invention directly uses monitoring DSP to finish monitoring to signal between system for real-time signal processing DSP1 and the DSP2.Avoided the wasting of resources, guaranteed the accuracy of DSP1 and DSP2 signal monitoring, and the data of intercepting have been sent to background process, can not waste the system for real-time signal processing Limited resources system for real-time signal processing.The present invention can listen to any signal of monitored end communication, owing to can not take the storage space of system for real-time signal processing, can realize enough continuous monitorings for a long time.The present invention can finish to a plurality of serial ports of a DSP or to the serial ports monitoring of a plurality of DSP, and can monitor a plurality of serial communications of monitored real-time system simultaneously.
Processor of the present invention can be DSP, MCU or other any processors with data-handling capacity.Serial ports of the present invention can be any interface among McBSP, SCI, Linkport, UART interface, One-ware interface, I2C interface, SPI, Microware, MCC, FCC, SCC, the SMC, but is not limited to these interfaces.When being connected to each other between the processor, as long as its serial ports is compatible.
The present invention realized the monitoring of data between processor node in the system under the situation of undesired signal disposal system real time execution not, needn't treat the adjustment of making amendment of monitored signal disposal system.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (12)
1, a kind of non-invasion monitoring method of system for real-time signal processing is characterized in that, this method may further comprise the steps:
(1) processor that will monitor usefulness is connected between the processor of the interconnection in the system for real-time signal processing;
When (2) carrying out data transmission between the processor in the system for real-time signal processing, the data of transmitting between interconnecting processor described in the processor lock-on signal disposal system of monitoring usefulness;
(3) processor of monitoring usefulness is sent to the monitoring side with the data of being caught and carries out respective handling;
Wherein, connect by serial ports between the processor that interconnects in the described system for real-time signal processing; The processor of monitoring usefulness is provided with the serial ports with the processor serial port compatibility of described interconnection, between the processor that interconnects in the processor of monitoring usefulness and the system for real-time signal processing by corresponding serial ports connection.
2, the non-invasion monitoring method of system for real-time signal processing as claimed in claim 1, it is characterized in that, isolate between the processor of described monitoring usefulness and the processor of the interconnection in the system for real-time signal processing, the processor of described monitoring usefulness is only caught the signal of transmitting terminal in the processor of the interconnection in the system for real-time signal processing.
3, the non-invasion monitoring method of system for real-time signal processing as claimed in claim 2 is characterized in that, described signal is an electric signal; Realize isolating by impact damper between the processor of monitoring usefulness and the processor of the interconnection in the system for real-time signal processing.
4, the non-invasion monitoring method of system for real-time signal processing as claimed in claim 1 is characterized in that, described monitoring side is to have that message receives and the computing machine of analytic function, and it is connected in the processor of monitoring usefulness directly or by network.
5, the non-invasion monitoring method of system for real-time signal processing as claimed in claim 1 is characterized in that, but data that the processor transparent transmission of described monitoring usefulness is caught or these data are carried out output again after the respective handling.
6, the non-invasion monitoring method of system for real-time signal processing as claimed in claim 1, it is characterized in that, the serial ports of the processor of the interconnection in the described system for real-time signal processing be multichannel buffered serial port, serial communication interface, connector, universal asynchronous receiver-transmitter interface, single bus interface, internal integrate circuit bus interface, Serial Peripheral Interface (SPI), little line interface, Multi Channel Controller interface, Fast Communications Controller interface, serial communication controller interface, Serial Management Controller interface one of them.
7, a kind of non-intruding monitor system of system for real-time signal processing, the processor that comprises at least 2 interconnection in the described system for real-time signal processing, connect by serial ports between the processor of described interconnection, it is characterized in that, this system also comprises processor of monitoring usefulness and the data processing outlet terminal that is connected with the processor of this monitoring usefulness, described monitoring is provided with serial ports with the processor serial port compatibility of described interconnection with processor, and monitoring is connected by the processor that interconnects in the corresponding serial ports that is provided with and the described system for real-time signal processing with processor, catch the transmission data between the processor of the interconnection in the described system for real-time signal processing, and the data of being caught are sent to the data processing outlet terminal.
8, the non-intruding monitor system of system for real-time signal processing as claimed in claim 7 is characterized in that, the signal that transmits between the processor of described interconnection is an electric signal.
9, the non-intruding monitor system of system for real-time signal processing as claimed in claim 8, it is characterized in that, isolate by impact damper between the processor of described monitoring usefulness and the processor of the interconnection in the system for real-time signal processing, the processor of described monitoring usefulness is only caught the signal of the processor transmitting terminal of the interconnection in the system for real-time signal processing.
10, the non-intruding monitor system of system for real-time signal processing as claimed in claim 7 is characterized in that, but data that the processor transparent transmission of described monitoring usefulness is caught or these data are carried out output again after the respective handling.
11, the non-intruding monitor system of system for real-time signal processing as claimed in claim 7 is characterized in that, described data processing outlet terminal is to have that message receives and the computing machine of analytic function, and it is connected in the processor of monitoring usefulness directly or by network.
12, as the non-intruding monitor system of the described system for real-time signal processing of arbitrary claim in the claim 7 to 11, it is characterized in that, the serial ports of described processor be multichannel buffered serial port, serial communication interface, connector, universal asynchronous receiver-transmitter interface, single bus interface, internal integrate circuit bus interface, Serial Peripheral Interface (SPI), little line interface, Multi Channel Controller interface, Fast Communications Controller interface, serial communication controller interface, Serial Management Controller interface one of them.
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| CNB2005100979910A CN100481015C (en) | 2005-09-02 | 2005-09-02 | Non-invasion monitoring method and system for real-time signal processing system |
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| CNB2005100979910A CN100481015C (en) | 2005-09-02 | 2005-09-02 | Non-invasion monitoring method and system for real-time signal processing system |
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| CN1924819A CN1924819A (en) | 2007-03-07 |
| CN100481015C true CN100481015C (en) | 2009-04-22 |
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