CN104618335A - Message exchange method and interface processing platform - Google Patents
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Abstract
The invention relates to the technical field of wireless communication, in particular to a message exchange method and an interface processing platform, and aims to solve the problem that a current MAC-PHY (medium access control-physical layer) interface processing platform is complex in processing message exchange process. The message exchange method includes the steps: reading a message packet in a shared memory shared by a DSP (digital signal processor) core and an upper layer by the DSP core positioned at an upper level of the interface processing platform; storing the message packet in a local memory of the DSP; determining a DSP core positioned at a next level and needing to process messages; storing the messages in a shared memory shared by the messages and the DSP core positioned at the next level in the form of the message packet. By the aid of the technical scheme, message exchange between an MAC layer and a PHY layer is realized by the shared memory, and processes such as parameter configuration in message sending at a current interface are avoided, so that complexity of the processing message exchange process of the MAC-PHY interface processing platform is reduced.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of method of interacting message and interface platform.
Background technology
GSM (Global System for Mobile communication, global system for mobile communications) MAC (Medium Access Control, medium education) layer and PHY (Physical layer, physical layer) interface and MAC-PHY interface are the logic interfacing between upper-layer protocol processing subsystem and baseband.Wherein, MAC-PHY interface is process MAC layer transmission of messages to PHY (physical layer) and PHY information reporting to MAC layer, the important interface controlling also scheduling physical layer link processing, and therefore the high efficiency of MAC-PHY interface platform technology and completeness directly have influence on physical layer process efficiency and correctness.
At present, MAC-PHY interface platform technology uses RapidIO to carry out swap data, the operations such as configuration parameter, on the basis of RapidIO agreement, definition starts discovery accordingly, data interaction mechanism, thus realize the interacting message of each chip between upper-layer protocol subsystem and physics subsystem, the interaction mechanism of this message makes MAC layer need message bag to be issued to each DSP core respectively when issuing data, from the message issued, select self by each DSP core and need message to be processed, and physical layer is when to MAC layer reported data, each DSP core respectively by information reporting to MAC layer, cause the interaction flow of the message of MAC-PHY interface platform technology comparatively complicated.
In sum, the interaction flow of MAC-PHY interface platform processing messages is comparatively complicated.
Summary of the invention
The invention provides a kind of method and interface platform of interacting message, in order to solve in prior art the comparatively complicated problem of the interaction flow that there is MAC-PHY interface platform processing messages.
Embodiments provide a kind of method of interacting message, comprising:
Message bag in the shared drive that the Digital Signal Processing DSP core reading being in upper level in interface platform self and upper strata are shared, and be in the local internal memory of the DSP core of upper level described in the message bag read is stored in;
The attribute information that the described DSP being in upper level checks every bar message in described message bag is resolved, and after determining that the message processed in described message bag needs next stage process according to described attribute information, determine to need to process the DSP core being in next stage in the interface platform of described message;
Described message is stored into self with the form of message bag and is describedly in the shared drive that next stage DSP core shares by the described DSP core being in upper level.
Because physical layer is by the distribution processor of Sharing Memory Realization inter-core message bag, thus make multinuclear can the message bag distributed from upper strata of parallel processing, improve ability and the real-time of physical layer process message, and reduce the complexity of the interaction flow of interface platform technical finesse message, and then this interface platform is made to have possessed compatibility and portability.
Preferably, described in be in upper level DSP core read the message bag in the shared drive self and upper strata shared before, also comprise:
The described DSP core being in upper level receive from upper strata send for the DSP core being in upper level described in notifying read self share with upper strata shared interior in the triggering signal of message bag.
Because upper strata is after storing message in shared drive, sends triggering signal to the DSP core being in upper level, make to be in the message bag in the DSP core priority treatment shared drive of upper level, thus improve the real-time of physical layer process message.
Preferably, described in be in upper level DSP core read the message bag in the shared drive self and upper strata shared after, also comprise:
The described DSP core being in upper level sends described triggering signal to the described DSP core being in next stage, for notifying that the described DSP core being in next stage reads the message of message bag in the shared drive shared with the described DSP core being in upper level.
Owing to being in the DSP core of upper level after storing message bag in self shared drive shared with the DSP core being in next stage, triggering signal is sent to the DSP core being in next stage, make the DSP nuclear energy being in next stage process message in shared drive enough in time, thus improve the real-time of physical layer process message.
Preferably, described in be in upper level DSP core read the message bag in the shared drive self and upper strata shared before, also comprise:
The described DSP core being in upper level determines that the interacting message of the shared drive that self and upper strata are shared identifies in the shared drive representing that self and upper strata are shared and there is message bag.
Wherein, the interacting message of the described shared drive shared with upper strata identify be in the shared drive shared of the DSP core self that message stores is in upper level to described on upper strata and upper strata after arrange.
Because upper strata is after storing message in shared drive, make the interacting message mark set of this shared drive, thus the DSP nuclear energy making to be in upper level is detecting in self shared drive shared with upper strata whether house message enough more easily.
Preferably, described in be in upper level DSP core the message bag read is stored in after in self local internal memory, also comprise:
The interacting message of the shared drive that self and upper strata are shared by the described DSP core being in upper level identifies and resets, and identifies the non-storing message bag of shared drive representing that self and upper strata are shared to make the interacting message after replacement.
After the message deposit in the shared drive that self and upper strata are shared by the DSP core being in upper level to the local internal memory of DSP core being in upper level, interacting message mark in this shared drive is reset, thus makes message to obtain normal process.
Preferably, described in be in upper level DSP core described message bag is stored in the shared drive that self and the described DSP core being in next stage shares after, also comprise:
The interacting message of the shared drive that self and the described DSP core being in next stage are shared by the described DSP core being in upper level identifies set, identifies the shared drive storing message bag representing that self and the described DSP core being in next stage are shared to make the interacting message after set.
Owing to being in the DSP core of upper level after storing message bag in self shared drive shared with the DSP core being in next stage, make the interacting message mark set of this shared drive, thus make the DSP nuclear energy being in next stage detect in self shared drive shared with the DSP core being in upper level whether house message bag enough more easily.
Preferably, described in be in upper level DSP core read the message bag in the shared drive self and upper strata shared before, also comprise:
Described be in upper level DSP core self and the message statistics number of shared drive shared of described upper strata be not 0.
Preferably, if described in be in upper level DSP core upper strata be MAC layer, then the DSP core being in upper level described in only has one.
Owing to carrying out the mutual of message by a DSP core and MAC layer, decrease the interactive interface of other specialties, thus the complexity of the interaction flow of low MAC-PHY interface platform technical information.
Embodiments provide a kind of method of interacting message, comprising:
Self the DSP core corresponding with being in next stage is shared and be there is message bag that the needs in the shared drive of reporting message bag report and dumps in the shared drive self and upper strata shared by the Digital Signal Processing DSP core being in upper level in interface platform; And
Described be in the local internal memory of the DSP core of upper level to have need the message bag that reports, then by the required message deposit reported in self shared drive shared with upper strata.
Because physical layer is by the distribution processor of Sharing Memory Realization inter-core message bag, thus make multinuclear can the message bag distributed from upper strata of parallel processing, improve ability and the real-time of physical layer process message, and reduce the complexity of the interaction flow of interface platform technical information, and then this interface platform is made to have possessed compatibility and portability.
Preferably, the method also comprises:
If in current period, described in be in upper level the shared drive shared to self and upper strata of DSP core in deposit message bag, after current period terminates, send triggering signal to upper strata, for notifying that the message bag that upper strata pair and upper strata are shared processes.
Message is deposited due in the shared drive that the DSP core that is in upper level in the cycle is shared to self and upper strata, and send for notifying the triggering signal processed this shared drive to upper strata after end cycle, thus improve the real-time of carrying out out to message.
Preferably, described in be in upper level DSP core shared drive that self the DSP core corresponding with being in next stage is shared in there is reporting message bag, then, also comprise needing before the message bag reported dumps in self shared drive shared with upper strata:
The described DSP core being in upper level detects the mutual mark of the shared drive self shared with the described corresponding DSP core being in next stage, represents the message bag existing and will report; Or
The message statistics number that the described DSP core being in upper level detects the shared drive self shared with the described corresponding DSP core being in next stage is not 0.
Before the message bag of the shared drive shared at the DSP core that self is corresponding with next stage due to the DSP core that is in upper level dumps to the shared drive self and upper strata shared, detected by message identifier or message statistics number in the shared drive shared of the DSP core corresponding with lower floor and do not deposit message, thus improve the real-time of information reporting.
Preferably, reporting message bag is there is in the shared drive that self the DSP core corresponding with being in next stage is shared by the described DSP core being in upper level, then the message bag reported is dumped in the shared drive self and upper strata shared, and with the DSP core being in upper level needs the message bag reported to be stored in the shared shared drive in self and upper strata, also comprises:
The described DSP core being in upper level determines that the mutual of the shared drive that self and described upper strata are shared identifies the non-storing message bag of shared drive representing that self and upper strata are shared; Or
The message statistics number that the described DSP core being in upper level detects the shared drive of the shared drive that self and described upper strata are shared is 0.
Due to before message bag being dumped to the shared drive shared with upper strata, whether storing message need to be detected in the shared drive shared with upper strata, thus improves the correctness of Message Processing.
Preferably, if described in be in upper level DSP core upper strata be MAC layer, described in be in upper level DSP core only have one.
Owing to carrying out the mutual of message by a DSP core and MAC layer, decrease the interactive interface of other specialties, thus the complexity of the interaction flow of low MAC-PHY interface platform technical information.
Embodiments provide a kind of interface platform, comprising: multiple DSP core;
Shared storage, for storing message bag;
The Digital Signal Processing DSP core being in upper level in interface platform, for reading the message bag in the shared drive self and upper strata shared, and is in the local internal memory of the DSP core of upper level described in being stored in by the message bag read; And resolve the attribute information of every bar message in described message bag, and after determining that the message processed in described message bag needs next stage process according to described attribute information, determine to need to process the DSP core being in next stage in the interface platform of described message; By described message with the form of message bag be stored into self and described be in next stage DSP core share shared drive in.
Preferably, described in be in upper level DSP core also for,
Before reading the message bag in the shared drive that self and upper strata are shared in shared storage, receive from upper strata send for the DSP core being in upper level described in notifying read that self and upper strata in described shared storage share shared interior in the triggering signal of message bag.
Preferably, described in be in upper level DSP core also for,
Message in described message bag is stored into after in the shared drive that in described shared storage, self and the DSP core being in next stage are shared with the form of message bag, send triggering signal to the described DSP core being in next stage, the DSP core for being in next stage described in notifying to read in described shared storage self and the described message bag be in the DSP core shared drive of upper level.
Preferably, described in be in upper level DSP core also for,
Before reading the message bag in the shared drive that self and upper strata are shared in described shared storage, determine that the interacting message of the shared drive that self and upper strata are shared in described shared storage identifies and represent and there is message bag in shared drive that upper strata is shared.
Wherein, in described shared storage the interacting message of the shared drive that self and upper strata are shared identify be in the shared drive self and upper strata in message stores to described shared storage shared on upper strata after arrange.
Preferably, described in be in upper level DSP core also for,
Described be in upper level DSP core the message bag read is stored in described in be in after in the local internal memory of the DSP core self of upper level, the interacting message of the shared drive shared in self and upper strata in described shared storage identifies and resets, and identifies the non-storing message bag of shared drive representing and share with upper strata in described shared storage to make the interacting message after replacement.
Preferably, described in be in upper level DSP core also for,
After described message is stored in the shared drive that in described shared storage, self and the described DSP core being in next stage are shared with the form of message bag, self and the described interacting message being in the internuclear shared drive of DSP of next stage in described shared storage are identified set, identifies the shared drive storing message bag representing that in described shared storage, self and the described DSP core being in next stage are shared to make the interacting message after set.
The DSP core being in upper level preferably also for,
Before reading the message bag in the shared drive that in described shared storage, self and upper strata are shared, the message statistics number detected in the message bag of the shared drive that in described shared storage, self and upper strata are shared is not 0.
Preferably, if described in be in upper level DSP core upper strata be MAC layer, then the DSP core being in upper level described in only has one.
Embodiments provide a kind of interface platform, comprising: multiple DSP core;
Shared storage, for storing message bag;
The Digital Signal Processing DSP core being in upper level in interface platform, dumps in the shared drive self and upper strata shared for being shared by self the DSP core corresponding with being in next stage in each shared storage and there is message bag that the needs in the shared drive of reporting message bag report; And after having in local internal memory and needing the message bag that reports, by the required message deposit reported in self shared drive shared with upper strata.
Preferably, the DSP core being in upper level described in also for:
In current period, in the shared drive that self and upper strata are shared, deposit message bag, after current period terminates, send triggering signal to upper strata, for notifying that the message bag that upper strata pair and upper strata are shared processes.
Preferably, the DSP core being in upper level described in also for:
Is existed before reporting message bag dumps in the shared drive self and upper strata shared in the shared drive that self the DSP core corresponding with being in next stage in shared storage described in each is shared, detect the mutual mark of the shared drive that self shares with the described corresponding DSP core being in next stage in shared storage described in each, represent the message bag existing and will report; Or
Existed before reporting message bag dumps in the shared drive self and upper strata shared in the shared drive shared by self the DSP core corresponding with being in next stage in shared storage described in each, the message statistics number detecting the shared drive that self shares with the described corresponding DSP core being in next stage in shared storage described in each is not 0.
Preferably, the DSP core being in upper level described in also for:
Reporting message bag is there is in the shared drive that DSP core corresponding with being in next stage for the DSP core self being in upper level in shared storage described in each is shared, before then the message bag reported being dumped in the shared drive and local internal memory that in described shared storage, self and upper strata are shared the message deposit shared drive that self and upper strata are shared in described shared storage needing to report, determine that the mutual of the shared drive that in described shared storage, self and described upper strata are shared identifies the non-storing message bag of shared drive representing that self and upper strata are shared; Or
Reporting message bag is there is in the shared drive that DSP core corresponding with being in next stage for the DSP core self being in upper level in shared storage described in each is shared, before then the message bag reported being dumped in the shared drive and local internal memory that in described shared storage, self and upper strata are shared the message deposit shared drive that self and upper strata are shared in described shared storage needing to report, the message statistics number detecting the shared drive that self and described upper strata are shared in described shared storage is 0.
Preferably, if described in be in upper level DSP core upper strata be MAC layer, described in be in upper level DSP core only have one.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for the embodiment of the present invention one interacting message;
Fig. 2 is the principle schematic of the embodiment of the present invention two method for message interaction;
Fig. 3 is the flow chart of the method for the embodiment of the present invention three interacting message;
To be that the method for the embodiment of the present invention four interacting message is descending issue flow chart to Fig. 4;
Fig. 5 is the up report flow figure of method of the embodiment of the present invention five interacting message;
Fig. 6 is the schematic diagram of the embodiment of the present invention six MAC-PHY interface platform.
Embodiment
The embodiment of the present invention reads the message bag in the shared drive self and upper strata shared by the Digital Signal Processing DSP core being in upper level in interface platform, and is stored in by the message bag read in the local internal memory of the DSP core being in upper level; And the attribute information of bar message every in described message bag is resolved, after determining that the message processed in described message bag needs next stage process according to described attribute information, determine to need to process the DSP core being in next stage in the MAC-PHY interfacing platform of described message; Then by described message with the form of message bag be stored into self and described be in next stage DSP core share shared drive in.
This technical scheme by subsystem from Sharing Memory Realization MAC layer to PHY layer between each core issuing message, avoid the operating process such as parameter configuration when carrying out issuing message by RapidIO interface in prior art, thus reduce the complexity of the interaction flow of interface platform processing messages, improve DSP disposal ability, so this interface platform is also possessed can be compatible, portable.
Self the DSP core corresponding with being in next stage to be shared by the Digital Signal Processing DSP core being in upper level in interface platform and be there is message bag that the needs in the shared drive of reporting message bag report and dumps in the shared drive self and upper strata shared by the embodiment of the present invention; And described in be in the local internal memory of the DSP core of upper level to have and need the message bag that reports, then by the required message deposit reported in self shared drive shared with upper strata.
This technical scheme by each chip between the subsystem of Sharing Memory Realization PHY layer to MAC layer reporting message, avoid the operating process such as parameter configuration when carrying out reporting message by RapidIO interface in prior art, thus reduce the complexity of the interaction flow of interface platform processing messages, improve DSP disposal ability, so this interface platform is also possessed can be compatible, portable.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
What the method for MAC layer and PHY layer interacting message comprised message descendingly issues handling process and the up of message reports handling process.
Wherein, as shown in Figure 1, the exchange method of the embodiment of the present invention one message is the descending handling process issued, and comprising:
Step 100, the message bag in the shared drive that the DSP core reading being in upper level in interface platform self and upper strata are shared, and the message bag read is stored in the local internal memory of the DSP core being in upper level;
Step 101, the attribute information that the DSP being in upper level checks every bar message in message bag is resolved, and after needing next stage process according to the message in attribute information determination processing messages bag, determine the DSP core needing to be in next stage in the MAC-PHY interfacing platform of processing messages;
Step 102, message is stored in self shared drive shared with being in next stage DSP core with the form of message bag by the DSP core being in upper level.
It should be noted that, the interface platform in the present invention is MAC-PHY interface platform.
In step 100, if when the message that the DSP core being in upper level in the message bag in the shared drive that the DSP core reading being in upper level in interface platform self and upper strata are shared receives is from MAC layer, then upper strata refers to MAC layer, if during the DSP core of message from other that the DSP core being in upper level receives, then upper strata refers to DSP core.
Wherein, the descending handling process that issues of message is carried out in Preset Time, that is, in a Preset Time, completes the descending of a message and issues flow process, as: a Preset Time is the time of a frame, i.e. 4.615ms, and a frame comprises eight time slots.
The exchange method of the composition graphs 2 pairs of embodiment of the present invention one message is described, if the DSP core being in upper level in DSP is DSP core 0, suppose that Preset Time is the time of a frame, one of them frame is divided into several frame slots.
Wherein, the number of DSP core of every layer can be configured as required.
Preferably, if described in be in upper level DSP core upper strata be MAC layer, described in be in upper level DSP core only have one.
That is, only have a DSP core and DSP core 0 to carry out message bag with MAC layer by shared drive 0 and store alternately, which reduce the interactive interface with other DSP core.
MAC layer to physical layer issuing message bag to shared drive 0, by the interacting message mark set in shared drive 0, and can send triggering signal to DSP core 0, to notify that DSP core 0 removes process MAC layer message bag every the time of a frame.
Wherein, the interacting message mark of shared drive can for shake hands position or other flags be for representing in shared drive whether there is message.Under normal circumstances, when the interacting message of shared drive is designated 1, represent in shared drive to there is message bag; When the interacting message of shared drive is designated 0, represents in shared drive and do not deposit message bag, also when the interacting message of shared drive is designated 0, can represent in shared drive to there is message bag; When the interacting message of shared drive is designated 1, represents in shared drive and do not deposit message bag, wherein, mutual mark is artificial setting.
Triggering signal can for internuclear interruption or other forms of signal be for notifying that DSP core or ARM core go to process the message bag in shared drive.
Preferably, described in be in upper level DSP core read the message bag in the shared drive self and upper strata shared before, also comprise:
The described DSP core being in upper level receive from upper strata send for the DSP core being in upper level described in notifying read self share with upper strata shared interior in the triggering signal of message bag.
That is, DSP core 0 is before reading the message bag in shared drive 0, receiving mac layer send for notifying that DSP core 0 reads the triggering signal of message bag in shared drive 0, to make DSP core 0 preferentially can read message bag in shared drive 0, and it is processed.
DSP core 0 is after the triggering signal receiving MAC layer transmission, judge whether there is message bag in shared drive 0, if without message bag in shared drive 0, then DSP core 0 no longer processes it, when avoiding not depositing message bag in shared drive, MAC layer sends triggering signal to DSP core 0, and the situation that DSP core 0 directly reads message bag occurs, to ensure normally carrying out of subsequent step.
Judging whether there is message bag in shared drive 0, preferably, comprising two schemes:
One, DSP core 0 determine the interacting message of the shared drive 0 shared with MAC layer identify represent with MAC layer share shared drive in there is message bag.
Wherein, the interacting message of the described shared drive 0 shared with MAC layer identifies is to be stored into by message bag after in the shared drive 0 shared with MAC layer in MAC layer to arrange.
The message statistics number of the shared drive 0 that its two, DSP core 0 shares with MAC layer is not 0.
Then, DSP core 0 reads the message bag in shared drive 0, and is stored in the local internal memory of DSP core0 by this message bag.
Preferably, after this message bag is stored in the local internal memory of DSP core 0 by DSP core 0, the interacting message mark in shared drive is set to 0, illustrate that the message in shared drive is sky, to ensure normally carrying out of subsequent step.
DSP core 0 resolves the message be issued in local internal memory according to the attribute information of message in message bag, and DSP core that the message parsed is processed is determined according to the attribute information of message and the mapping relations of corresponding DSP core, the attribute information of message configures in systems in which with the mapping relations of corresponding DSP core.
Wherein, the attribute information of described message includes but not limited to the parameters such as type of message, carrier wave ID, channel type.
Carry out resolving to according to carrier wave ID the DSP core how the example message set forth in local internal memory to determine to process the message parsed with DSP core 0 below.The carrier wave ID of DSP core 0 pair of message resolves, and according to the corresponding relation between pre-configured carrier wave ID and DSP core, thus determines to carry out processing DSP core to the message parsed.Under normal circumstances, carrier wave ID be 0 or 1 DSP core corresponding to message be DSP core 0, be therefore that the message of 0 or 1 is stayed DSP core 0 and processed by carrier wave ID.If DSP core corresponding to message that carrier wave ID is 2 or 3 is DSP core 1, be then that the message of 2 or 3 is issued in shared drive 1 with the form of message bag by the carrier wave ID of the message parsed, message and the said method of other carrier waves ID are similar, do not repeat them here.
When the method processed the message parsed according to type of message, channel type or other attribute informations is similar with the method processed the message parsed according to carrier wave ID, do not repeat them here.
DSP core 0 determines the DSP core to its process of reply according to the message of resolving, and is sent in the corresponding shared drive shared with corresponding DSP core and internuclear shared drive.Specifically, DSP core 0 has according to the message that carrier wave ID parses needs DSP core 1, DSP core 3 or other DSP core to carry out the message processed, do not have DSP core 2 to carry out the message processed, then the message bag of the message of correspondence is issued at different frame slots in the shared drive shared with corresponding DSP core by DSP core 0 successively.
Successively the message bag of correspondence is issued to after in the shared drive shared with corresponding DSP core at different frame slots at DSP core 0, the process of carrying out that the DSP how triggering next stage checks in the shared drive of its correspondence has kinds of schemes, enumerates three kinds of schemes below:
One, DSP core 0 sends triggering signal successively to the DSP core needing processing messages that has of correspondence, notify that the DSP core that its next stage is corresponding goes corresponding shared drive to read corresponding message bag, the message bag that the DSP that then can trigger next stage checks in the shared drive of its correspondence reads, otherwise does not carry out trigger action;
They are two years old, other DSP cores (except DSP core 0) detect corresponding identifying with the interacting message of DSP core 0 shared drive, and this interacting message mark represents and there is message bag in DSP core 0 shared drive, then can trigger the message bag that this DSP checks in the shared drive of its correspondence to read, otherwise not carry out trigger action;
Its three, other DSP cores (except DSP core 0) detect corresponding non-vanishing with the message statistics number of DSP core 0 shared drive, then can trigger the message bag that this DSP checks in the shared drive of its correspondence and read, otherwise not carry out trigger action.
As DSP core 1 judges there is message bag in the internuclear shared drive 1 of DSP i.e. DSP core 1 and the shared drive of DSP Core0 according to above-mentioned a certain method, then read the message in the internuclear shared drive 1 of DSP at the frame slot set, and the message identifier in internuclear for DSP shared drive 1 is set to 0, the frame slot set, DSP core 2 judges in the internuclear shared drive 2 of DSP without message according to above-mentioned a certain method, then no longer carry out read step, continue to perform DSP core 3 grade successively according to detecting the operation of whether carrying out reading, if corresponding DSP core has carried out read operation, then after a read, message identifier in internuclear for corresponding DSP shared drive is set to 0.
Finally, the DSP except DSP core 0 checks its message read and processes accordingly.
Due to when being in upper level DSP core for other DSP core, be that the descending handling process that issues of DSP core 0 is similar with the DSP core being in upper level, at this, it is no longer repeated.
As shown in Figure 3, the method for the embodiment of the present invention three interacting message is up reports handling process, comprising:
Step 300, self the DSP core corresponding with being in next stage is shared and be there is message bag that the needs in the shared drive of reporting message bag report and dumps in the shared drive self and upper strata shared by the Digital Signal Processing DSP core being in upper level in interface platform; And
Step 301, described in be in the local internal memory of the DSP core of upper level to have and need the message bag that reports, then by the required message deposit reported in self shared drive shared with upper strata.
Wherein, there is not required sequencing in step 300 and step 301.
Be described the report flow of message for Fig. 2, the DSP being in upper level wherein in interface platform endorses the DSP core 0 thought in Fig. 2, also can be arbitrary DSP core such as DSP core 1 or DSP core11.
Preferably, if described in be in DSP core 0 upper strata be MAC layer, described in be in DSP core 0 and have one.
Namely, when the DSP core being in upper level is DSP core 0, only has a DSP core and MAC layer to carry out the storage of interaction data by shared drive 0, decrease the interactive interface with other DSP core.
The up report flow of message also carries out in Preset Time.Specifically, if a cycle is the time of a frame, when in interface platform to be in DSP core be DSP core 0 time, at first time slot of each frame, DSP core 0 judges non-storing message in its shared drive 0, its determination methods preferably comprises two schemes, but is not limited to this two schemes:
One: DSP core 0 determines that mutual mark of the shared drive shared with MAC layer represents and the non-storing message bag of MAC layer shared drive;
The message statistics number that its two: DSP core 0 core detects the shared drive of the shared drive shared with MAC layer is 0.
If through judging, storing message in shared drive 0, then continue to judge, until do not have message in shared drive 0, then start to carry out report flow.
If through judging, non-storing message in shared drive 0, then at the 1st time slot, if when there is the message bag needing to report in DSP core 0, DSP core 0 is stored in shared drive 0, if at the 1st time slot, there is not the message bag needing to report in DSP core 0, within this period, there is not the message that will report always, then carry out next step.
Detect in the shared drive 1 shared with DSP core 1 whether there is reporting message bag at the 2nd time slot DSP core 0, there is not the message bag needing to report, then without the need to reporting, carry out next step.If there is reporting message bag, then the message in shared drive 1 is dumped in shared drive 0.If other DSP core2 ..., there is the message bag reported in the shared drive that DSP core N shares and report successively, the report flow in the shared drive 1 that its flow process and DSP core 1 share is similar, does not repeat them here.
Wherein, preferably, DSP core 0 detected and whether there is reporting message bag in shared drive 1 that DSP core 1 shares, including but not limited to following two schemes:
DSP core 0 detects the mutual mark of the shared drive shared with other DSP cores, represents the message bag existing and will report; Or
The message statistics number that DSP core 0 detects the shared drive shared with other DSP cores is not 0.
After shared drive 0 being deposited at the message station reported within this cycle, preferably, DSP core 0 sends triggering signal to MAC, has the message bag reported in notice MAC layer shared drive 0, and MAC layer obtains message then to its process.
Then, at next cycle, then judge successively and report.
As shown in Figure 4, when the exchange method of the embodiment of the present invention four message is the descending handling process issued, comprising:
Step 400, message bag is issued in the shared drive shared with DSP core 0 by MAC layer.
Step 401, the interacting message of the shared drive shared with DSP core 0 is identified set and is used for representing in this shared drive and deposits message by MAC layer, and sends triggering signal for notifying that DSP core 0 processes the message bag in this shared drive to DSP core 0.
Step 402, after the triggering signal that DSP core 0 receiving mac layer sends, reads the message in the shared drive shared with MAC layer, and this message is dumped in the local internal memory of DSP core 0.
Step 403, the attribute information of DSP core 0 according to message in message bag and the mapping relations of each DSP core, determine the DSP core processed the message parsed.
Step 404, if DSP core corresponding to one or several message parsed is DSP core 0, then this message is stayed DSP core 0 and is processed; If the message parsed comprises other DSP of needs and checks and answer DSP core to carry out the message processed, then message is issued in the shared drive that its DSP core 0 and other corresponding DSP core shares with the form of message bag.
Step 405, the DSP core except DSP core 0 judge successively with the shared drive that DSP core 0 is shared in whether have message bag, if having, perform step 406, otherwise perform step 407.
Step 406, each DSP core obtains one by one to the message in the message bag in DSP core 0 shared drive and carries out corresponding process, and this flow process terminates.
Step 407, corresponding DSP core (except DSP core 0) does not carry out acquisition operation, and this flow process terminates.
As shown in Figure 5, when the interaction flow of the embodiment of the present invention five message is the up handling process reported, comprising:
Step 500, DSP core 0 detects in the shared drive shared with MAC layer whether have message bag, if do not have message bag, then performs step 501, otherwise performs step 503.
Step 501, DSP core 0 continues to detect in the shared drive shared with MAC layer whether have message bag, if having message bag in Preset Time always, then performs step 503, otherwise performs step 502.
Step 502, DSP core 0 abandons reporting message bag, and this flow process terminates.
Step 503, the message bag that the message bag that will report in local internal memory and other DSP core will report dumps in the shared drive shared with MAC layer by DSP core 0;
Step 504, after the message bag that will report at DSP core 0 dumps to the shared drive shared with MAC layer, sends triggering signal for notifying that MAC layer reads the message bag in this shared drive to MAC layer.
Step 505, MAC layer receives triggering signal, and detect that the interacting message of the shared drive shared with DSP core 0 identifies for representing in this shared drive have message bag further, read the message bag in this shared drive and process accordingly, if detecting that the interacting message of the shared drive shared with DSP core 0 identifies for representing in this shared drive do not have message bag further, then do not carrying out obtaining step, this flow process terminates.
Based on same inventive concept, a kind of interface platform is additionally provided in the embodiment of the present invention, because the method that embodiment of the present invention interface platform is corresponding is the exchange method of message, therefore the enforcement of embodiment of the present invention device see the enforcement of method, can repeat part and repeats no more.
As shown in Figure 6, the embodiment of the present invention six interface platform, comprising: shared storage 600 and multiple DSP core 601;
Shared storage 600, for the message bag of store M AC-PHY interactive interfacing.
Message bag is issued:
The Digital Signal Processing DSP core 601 being in upper level in interface skill processing platform, for reading the message bag in shared drive that in shared storage 600, self and upper strata are shared, and be in the local internal memory of the DSP core 601 of upper level described in the message bag read is stored in; And resolve the attribute information of every bar message in described message bag, and after determining that the message processed in described message bag needs next stage process according to described attribute information, determine to need to process the DSP core 601 being in next stage in the interface platform of described message; Described message is stored into described shared storage self with the form of message bag and is describedly in the shared drive that next stage DSP core 601 shares.
Preferably, described in be in upper level DSP core 601 also for,
Before reading the message bag in the shared drive that self and upper strata are shared in shared storage 600, receive from upper strata send for the DSP core 601 being in upper level described in notifying read that self and upper strata in described shared storage 600 share shared interior in the triggering signal of message bag.
Preferably, described in be in upper level DSP core 601 also for,
Message in described message bag is stored into after in the shared drive that in described shared storage 600, self and the DSP core 601 being in next stage are shared with the form of message bag, send triggering signal to the described DSP core 601 being in next stage, the DSP core 600 for being in next stage described in notifying to read in described shared storage 600 self and the described message bag be in DSP core 601 shared drive of upper level.
Preferably, described in be in upper level DSP core 601 also for,
Before reading the message bag in the shared drive that self and upper strata are shared in described shared storage 600, determine that the interacting message of the shared drive that self and upper strata are shared in described shared storage 601 identifies and represent and there is message bag in shared drive that upper strata is shared.
Wherein, in described shared storage 600 interacting message of the shared drive that self and upper strata are shared identify be in the shared drive self and upper strata in message stores to described shared storage 600 shared on upper strata after arrange.
Preferably, described in be in upper level DSP core 601 also for,
Described be in upper level DSP core 601 the message bag read is stored in described in be in after in the local internal memory of the DSP core 601 self of upper level, the interacting message of the shared drive shared in self and upper strata in described shared storage 600 identifies and resets, and identifies the non-storing message bag of shared drive representing and share with upper strata in described shared storage 600 to make the interacting message after replacement.
Preferably, described in be in upper level DSP core 601 also for,
Before reading the message bag in the shared drive that in described shared storage 600, self and upper strata are shared, the message statistics number detected in the message bag of the shared drive that self and upper strata are shared in described shared storage 600 is not 0.
Preferably, if described in be in upper level DSP core upper strata be MAC layer, described in be in upper level DSP core only have one.
For information reporting:
The Digital Signal Processing DSP core 601 being in upper level in interface platform, dumps in self shared drive shared with upper strata for being shared by self the DSP core corresponding with being in next stage 601 in each shared storage 600 and there is the message bag that the needs in the shared drive of reporting message bag report; And after having in local internal memory and needing the message bag that reports, by the required message deposit reported in self shared drive shared with upper strata.
Preferably, the DSP core 601 being in upper level described in also for:
In current period, in the shared drive that self and upper strata are shared in described shared storage 600, deposit message bag, after current period terminates, send triggering signal to upper strata, for notifying that the message bag that upper strata pair and upper strata are shared processes.
Preferably, the DSP core 601 being in upper level described in also for:
Is existed before reporting message bag dumps in self shared drive shared with upper strata in the shared drive that self the DSP core corresponding with being in next stage 601 in shared storage described in each 600 is shared, detect the mutual mark of the shared drive that self shares with the described corresponding DSP core 601 being in next stage in shared storage 600 described in each, represent the message bag existing and will report; Or
Existed before reporting message bag dumps in the shared drive self shared with upper strata in the shared drive shared by self the DSP core corresponding with being in next stage 601 in shared storage described in each 600, the message statistics number detecting in shared storage 600 described in each self shared drive shared with the described corresponding DSP core 601 being in next stage is not 0.
Preferably, the DSP core 601 being in upper level described in also for:
Reporting message bag is there is in the shared drive that DSP core 601 corresponding with being in next stage for the DSP core 601 self being in upper level in shared storage described in each 600 is shared, before then the message bag reported being dumped in the shared drive and local internal memory that in described shared storage 600, self and upper strata are shared the message deposit shared drive that self and upper strata are shared in described shared storage 600 needing to report, determine that the mutual of the shared drive that in described shared storage 600, self and described upper strata are shared identifies the non-storing message bag of shared drive representing that self and upper strata are shared, or
Reporting message bag is there is in the shared drive that DSP core 601 corresponding with being in next stage for the DSP core 601 self being in upper level in shared storage described in each 600 is shared, before then the message bag reported being dumped in the shared drive and local internal memory that in described shared storage 600, self and upper strata are shared the message deposit shared drive that self and upper strata are shared in described shared storage 601 needing to report, the message statistics number detecting the shared drive that self and described upper strata are shared in described shared storage 600 is 0.
Preferably, if described in be in upper level DSP core 601 upper strata be MAC layer, described in be in upper level DSP core 601 only have one.
It can be seen from the above: the embodiment of the present invention reads the message bag in the shared drive self and upper strata shared by the Digital Signal Processing DSP core being in upper level in interface platform, and is stored in by the message bag read in the local internal memory of the DSP core being in upper level; And the attribute information of bar message every in described message bag is resolved, after determining that the message processed in described message bag needs next stage process according to described attribute information, determine to need to process the DSP core being in next stage in the interface platform of described message; Then by described message with the form of message bag be stored into self and described be in next stage DSP core share shared drive in.
This technical scheme by subsystem from Sharing Memory Realization MAC layer to PHY layer between each core issuing message, avoid the operating process such as parameter configuration when carrying out issuing message by RapidIO interface in prior art, thus reduce the complexity of the interaction flow of interface platform technical finesse message, improve DSP disposal ability, so this interface platform is also possessed can be compatible, portable.
Self the DSP core corresponding with being in next stage to be shared by the Digital Signal Processing DSP core being in upper level in interface platform and be there is message bag that the needs in the shared drive of reporting message bag report and dumps in the shared drive self and upper strata shared by the embodiment of the present invention; And described in be in the local internal memory of the DSP core of upper level to have and need the message bag that reports, then by the required message deposit reported in self shared drive shared with upper strata.
This technical scheme by each chip between the subsystem of Sharing Memory Realization PHY layer to MAC layer reporting message, avoid the operating process such as parameter configuration when carrying out reporting message by RapidIO interface in prior art, thus reduce the complexity of the interaction flow of interface platform processing messages, improve DSP disposal ability, so this interface platform is also possessed can be compatible, portable.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (26)
1. a method for interacting message, is characterized in that, the method comprises:
Message bag in the shared drive that the Digital Signal Processing DSP core reading being in upper level in interface platform self and upper strata are shared, and be in the local internal memory of the DSP core of upper level described in the message bag read is stored in;
The attribute information that the described DSP being in upper level checks every bar message in described message bag is resolved, and after determining that the message processed in described message bag needs next stage process according to described attribute information, determine to need to process the DSP core being in next stage in the interface platform of described message;
Described message is stored into self with the form of message bag and is describedly in the shared drive that next stage DSP core shares by the described DSP core being in upper level.
2. the method for claim 1, is characterized in that, described in be in upper level DSP core read the message bag in the shared drive self and upper strata shared before, also comprise:
The described DSP core being in upper level receive from upper strata send for the DSP core being in upper level described in notifying read self share with upper strata shared interior in the triggering signal of message bag.
3. method as claimed in claim 2, is characterized in that, described in be in upper level DSP core read the message bag in the shared drive self and upper strata shared after, also comprise:
The described DSP core being in upper level sends described triggering signal to the described DSP core being in next stage, for notifying that the described DSP core being in next stage reads the message of message bag in the shared drive shared with the described DSP core being in upper level.
4. the method as described in as arbitrary in claims 1 to 3, is characterized in that, described in be in upper level DSP core read the message bag in the shared drive self and upper strata shared before, also comprise:
The described DSP core being in upper level determines that the interacting message of the shared drive that self and upper strata are shared identifies in the shared drive representing that self and upper strata are shared and there is message bag;
Wherein, the interacting message of the described shared drive shared with upper strata identify be in the shared drive shared of the DSP core self that message stores is in upper level to described on upper strata and upper strata after arrange.
5. method as claimed in claim 4, is characterized in that, described in be in upper level DSP core the message bag read is stored in after in self local internal memory, also comprise:
The interacting message of the shared drive that self and upper strata are shared by the described DSP core being in upper level identifies and resets, and identifies the non-storing message bag of shared drive representing that self and upper strata are shared to make the interacting message after replacement.
6. method as claimed in claim 4, is characterized in that, described in be in upper level DSP core described message bag is stored in self shared drive shared with the described DSP core being in next stage after, also comprise:
The interacting message of the shared drive that self and the described DSP core being in next stage are shared by the described DSP core being in upper level identifies set, identifies the shared drive storing message bag representing that self and the described DSP core being in next stage are shared to make the interacting message after set.
7. the method as described in as arbitrary in claims 1 to 3, is characterized in that, described in be in upper level DSP core read the message bag in the shared drive self and upper strata shared before, also comprise:
Described be in upper level DSP core self and the message statistics number of shared drive shared of described upper strata be not 0.
8. the method as described in as arbitrary in claims 1 to 3, is characterized in that, if described in be in upper level DSP core upper strata be media access control layer MAC layer, then the DSP core being in upper level described in only has one.
9. a method for interacting message, is characterized in that, the method comprises:
Self the DSP core corresponding with being in next stage is shared and be there is message bag that the needs in the shared drive of reporting message bag report and dumps in the shared drive self and upper strata shared by the Digital Signal Processing DSP core being in upper level in interface platform; And
Described be in the local internal memory of the DSP core of upper level to have need the message bag that reports, then by the required message deposit reported in self shared drive shared with upper strata.
10. method as claimed in claim 9, it is characterized in that, the method also comprises:
If in current period, described in be in upper level the shared drive shared to self and upper strata of DSP core in deposit message bag, after current period terminates, send triggering signal to upper strata, for notifying that the message bag that upper strata pair and upper strata are shared processes.
11. as arbitrary in claim 9 ~ 10 as described in method, it is characterized in that, reporting message bag is there is in the shared drive that self the DSP core corresponding with being in next stage is shared by the described DSP core being in upper level, then, also comprise needing before the message bag that reports dumps in self shared drive shared with upper strata:
The described DSP core being in upper level detects the mutual mark of the shared drive self shared with the described corresponding DSP core being in next stage, represents the message bag existing and will report; Or
The message statistics number that the described DSP core being in upper level detects the shared drive self shared with the described corresponding DSP core being in next stage is not 0.
12. as arbitrary in claim 9 ~ 10 as described in method, it is characterized in that, reporting message bag is there is in the shared drive that self the DSP core corresponding with being in next stage is shared by the described DSP core being in upper level, then the message bag reported is dumped in the shared drive self and upper strata shared, and with the DSP core being in upper level needs the message bag reported to be stored in the shared shared drive in self and upper strata, also comprises:
The described DSP core being in upper level determines that the mutual of the shared drive that self and described upper strata are shared identifies the non-storing message bag of shared drive representing that self and upper strata are shared; Or
The message statistics number that the described DSP core being in upper level detects the shared drive of the shared drive that self and described upper strata are shared is 0.
13. as arbitrary in claim 9 ~ 10 as described in method, it is characterized in that, if described in be in upper level DSP core upper strata be media access control layer MAC layer, then the DSP core being in upper level described in only has one.
14. 1 kinds of interface platform, is characterized in that, this interface platform comprises:
Multiple digital information processing DSP core;
Shared storage, for storing message bag;
The Digital Signal Processing DSP core being in upper level in interface platform, for reading the message bag in shared drive that in shared storage, self and upper strata are shared, and be in the local internal memory of the DSP core of upper level described in the message bag read is stored in; And resolve the attribute information of every bar message in described message bag, and after determining that the message processed in described message bag needs next stage process according to described attribute information, determine to need to process the DSP core being in next stage in the interface platform of described message; By described message with the form of message bag be stored into described shared storage self and described be in next stage DSP core share shared drive in.
15. interface platform as claimed in claim 14, is characterized in that, described in be in upper level DSP core also for,
Before reading the message bag in the shared drive that self and upper strata are shared in shared storage, receive from upper strata send for the DSP core being in upper level described in notifying read that self and upper strata in described shared storage share shared interior in the triggering signal of message bag.
16. interface platform as claimed in claim 14, is characterized in that, described in be in upper level DSP core also for,
Message in described message bag is stored into after in the shared drive that in described shared storage, self and the DSP core being in next stage are shared with the form of message bag, send triggering signal to the described DSP core being in next stage, the DSP core for being in next stage described in notifying to read in described shared storage self and the described message bag be in the DSP core shared drive of upper level.
17. as arbitrary in claim 14 ~ 16 as described in interface platform, it is characterized in that, described in be in upper level DSP core also for,
Before reading the message bag in the shared drive that self and upper strata are shared in described shared storage, determine that the interacting message of the shared drive that self and upper strata are shared in described shared storage identifies and represent and there is message bag in shared drive that upper strata is shared.
Wherein, in described shared storage the interacting message of the shared drive that self and upper strata are shared identify be in the shared drive self and upper strata in message stores to described shared storage shared on upper strata after arrange.
18. interface platform as claimed in claim 14, is characterized in that, described in be in upper level DSP core also for,
Described be in upper level DSP core the message bag read is stored in described in be in after in the local internal memory of the DSP core self of upper level, the interacting message of the shared drive shared in self and upper strata in described shared storage identifies and resets, and identifies the non-storing message bag of shared drive representing and share with upper strata in described shared storage to make the interacting message after replacement.
19. interface platform as claimed in claim 17, is characterized in that, described in be in upper level DSP core also for,
After described message is stored in the shared drive that in described shared storage, self and the described DSP core being in next stage are shared with the form of message bag, the interacting message of the shared drive self and the described DSP core being in next stage in described shared storage shared identifies set, identifies the shared drive storing message bag representing that in described shared storage, self and the described DSP core being in next stage are shared to make the interacting message after set.
20. as arbitrary in claim 14 ~ 16 as described in interface platform, it is characterized in that, described in be in upper level DSP core also for,
Before reading the message bag in the shared drive that in described shared storage, self and upper strata are shared, the message statistics number detected in the message bag of the shared drive that in described shared storage, self and upper strata are shared is not 0.
21. as arbitrary in claim 14 ~ 16 as described in interface platform, it is characterized in that, if described in be in upper level DSP core upper strata be media access control layer MAC layer, then the DSP core being in upper level described in only has one.
22. 1 kinds of interface platform, is characterized in that, this interface platform comprises:
Multiple Digital Signal Processing DSP core;
Shared storage, for storing message bag;
The Digital Signal Processing DSP core being in upper level in interface platform, dumps in the shared drive self and upper strata shared for being shared by self the DSP core corresponding with being in next stage in each shared storage and there is message bag that the needs in the shared drive of reporting message bag report; And after having in local internal memory and needing the message bag that reports, by the required message deposit reported in self shared drive shared with upper strata.
23. interface platform as claimed in claim 22, is characterized in that, described in be in upper level DSP core also for:
In current period, in the shared drive that self and upper strata are shared in described shared storage, deposit message bag, after current period terminates, send triggering signal to upper strata, for notifying that the message bag that upper strata pair and upper strata are shared processes.
24. as arbitrary in claim 22 ~ 23 as described in interface platform, it is characterized in that, described in be in upper level DSP core also for:
Is existed before reporting message bag dumps in the shared drive self and upper strata shared in the shared drive that self the DSP core corresponding with being in next stage in shared storage described in each is shared, detect the mutual mark of the shared drive that self shares with the described corresponding DSP core being in next stage in shared storage described in each, represent the message bag existing and will report; Or
Existed before reporting message bag dumps in the shared drive self and upper strata shared in the shared drive shared by self the DSP core corresponding with being in next stage in shared storage described in each, the message statistics number detecting the shared drive that self shares with the described corresponding DSP core being in next stage in shared storage described in each is not 0.
25. as arbitrary in claim 22 ~ 23 as described in interface platform, it is characterized in that, described in be in upper level DSP core also for:
Reporting message bag is there is in the shared drive that DSP core corresponding with being in next stage for the DSP core self being in upper level in shared storage described in each is shared, before then the message bag reported being dumped in the shared drive and local internal memory that in described shared storage, self and upper strata are shared the message deposit shared drive that self and upper strata are shared in described shared storage needing to report, determine that the mutual of the shared drive that in described shared storage, self and described upper strata are shared identifies the non-storing message bag of shared drive representing that self and upper strata are shared; Or
Reporting message bag is there is in the shared drive that DSP core corresponding with being in next stage for the DSP core self being in upper level in shared storage described in each is shared, before then the message bag reported being dumped in the shared drive and local internal memory that in described shared storage, self and upper strata are shared the message deposit shared drive that self and upper strata are shared in described shared storage needing to report, the message statistics number detecting the shared drive that self and described upper strata are shared in described shared storage is 0.
26. as arbitrary in claim 22 ~ 23 as described in interface platform, it is characterized in that, if described in be in upper level DSP core upper strata be media access control layer MAC layer, then the DSP core being in upper level described in only has one.
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Address after: 510663 No. 10 Shenzhou Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No. 10 Shenzhou Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
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