CN103064321A - Vehicle terminal power consumption dynamic adjusting method based on RT-Thread - Google Patents
Vehicle terminal power consumption dynamic adjusting method based on RT-Thread Download PDFInfo
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- CN103064321A CN103064321A CN2012105023509A CN201210502350A CN103064321A CN 103064321 A CN103064321 A CN 103064321A CN 2012105023509 A CN2012105023509 A CN 2012105023509A CN 201210502350 A CN201210502350 A CN 201210502350A CN 103064321 A CN103064321 A CN 103064321A
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Abstract
The invention provides a vehicle terminal power consumption dynamic adjusting method based on RT-Thread. Step one, when an automobile is in flameout, a heartbeat package from an X86 is stopped, the power of the XD 86 on a power management module of a microprogrammed control unit (MCU) is cut off, and a system enters into a sleep mode from a working mode; and in the sleep mode, a 3G module and a global position system (GPS) module enter into sleep, the power of an XD 86 module, an audio module and a radio module is cut off, and the power of a display is cut off. Step two: emergency signals of 3G calls, Ext interrupting or a controller area network (Can) bus are issued to an MCU side, and the MCU detects the signals, understands and wakes up the work state of the MCU; the MCU opens to supply power to the X86, and the X 86 system enters into the work mode. The vehicle terminal power consumption dynamic adjusting method based on the RT-Tread integrates the communication and control between the MCU and each module reasonably, the maximum optimization of resource structures is achieved, and the power consumption to devices is lowered.
Description
Technical field
The present invention relates to vehicle-mounted intelligence system, relate in particular to the power consumption dynamic regulating method in the vehicle intelligent system.
Background technology
Traditional vehicle intelligent system is when the non-transport condition of automobile (engine is not worked), because the vehicular power-bottle power supply is limited, the vehicle intelligent system enters dormant state (lacking power consumption dynamic adjustments module), can not normally use the function of vehicle intelligent system; If the startup intelligence system, need to again strike sparks or directly use the storage battery power supply engine.
If automobile wants to use intelligence system when non-transport condition, although it is feasible that engine sparking is reworked, following two drawbacks are arranged:
Engine is reworked, and needs oil consumption (or rock gas), and this mode that is converted into electric energy with calory burning can not be accomplished energy-saving and emission-reduction;
Engine is reworked, and the noise, the vibrations that bring to automobile are inevitably, and are also unhelpful to surrounding environment;
Although directly use the storage battery power supply feasible, traditional intelligence system is owing to the dynamic adjustments that lacks power consumption, so that the electric weight of storage battery soon by the vehicle intelligent system consumption totally.
Summary of the invention
In order to solve problem in the prior art, the invention provides a kind of based on RT-Thread(real-time thread operating system) car-mounted terminal power consumption dynamic regulating method,
Step 1: during automobile flameout, stop the heartbeat packet from X86, the power management module on MCU cuts off the power supply to X86, and system enters into sleep pattern by mode of operation; Under the sleep pattern, 3G module and GPS module enter sleep, X86 module, audio-frequency module, radio receiver module outage, display panel module outage;
Step 2:3G incoming call, Ext interrupt or the urgent signal of Can bus is issued to the MCU side, and MCU detects these signals, understand the duty of waking MCU up; MCU opens the power supply to X86, and the X86 system enters mode of operation.
As a further improvement on the present invention, in the step 2, the 3G module is received note or information, and the 3G module switches to mode of operation by sleep pattern, wakes simultaneously each other modules of MCU up and to other module for power supply.
As a further improvement on the present invention, in the step 2, by manual key panel, the event among the Ext is waken MCU up immediately to the power supply of X86, and audio frequency, the radio function module of X86 and its dependence are also recovered normal power supply like this.
As a further improvement on the present invention, in the step 2, when the Can bus was received from the information of car check faulty equipment, the work that wakes MCU up, and waking the work of X86 up was shown to the user to information always.
As a further improvement on the present invention, come X86 module, audio management module, radio receiver module are carried out the switch electric control by power management module, by the io pin of modules being controlled access, recovery, the setting of each hardware module.
As a further improvement on the present invention, come 3G module, GPS module are carried out when MCU wakes up, also can waking simultaneously 3G and GPS module up to the separately sleep pattern of module and the switching controls of mode of operation by the UART serial ports.UART (Universal Asynchronous Receiver/Transmitter) UART Universal Asynchronous Receiver Transmitter.
As a further improvement on the present invention, be just to control to manage by the level of io pin to the power supply control of display panel module, when switching, the display panel module mode of operation also just carries out Save and restore by the level to the io pin.
Even the present invention is the purpose that also can normally use system when realizing that in the vehicle intelligent system power consumption dynamic adjustments module reaches engine and do not work.
In the vehicle intelligent system, when engine was not worked, system entered sleep pattern automatically, and the function of power consumption dynamic adjustments can make the intelligence system power consumption drop to the limit; Under user's trigger action, intelligence system switches to mode of operation by sleep pattern, provides the user normally to use; When system entered holding state, the module that the power consumptions such as 3G, GPS are higher entered under separately the sleep pattern automatically; When receiving the message such as 3G incoming call, can automatically wake other functional modules up again.
This invention reasonable integration communication and the control between MCU and the modules, the largest optimization of accomplishing resource structures; Power consumption to equipment has also been accomplished reduction.
Description of drawings
Fig. 1 is the switching flow block diagram of vehicle intelligent system works pattern of the present invention and sleep pattern;
Fig. 2 is the mode figure that MCU sleep pattern of the present invention is waken up.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
X86: the processor that refers to be responsible on the hardware structure Android system one side
MCU: the processor that refers to be responsible on the hardware structure first floor system one side
The 3G:3G communication module
GPS: navigation communication module
Sleep: the sleep state of hardware
Ext interrupts: refer to external interrupt, such as manually outage, manually opened
IO pin: level pin
CAN: the communication bus of automotive interior
When the people leaves automobile, stop from the heartbeat packet of X86, the power management module on MCU cuts off the power supply to X86 automatically; Give simultaneously audio-frequency module, radio receiver module and display screen outage; This moment, 3G and GPS also entered sleep pattern (being low-power consumption mode) automatically; System enters into sleep pattern by mode of operation.
In sleep pattern:
1) if. the 3G module is received note or information, and the 3G module switches to mode of operation by sleep pattern, wakes simultaneously each other modules of MCU up and to other module for power supply; System has entered mode of operation by sleep pattern like this;
2) if. the people enters automobile, and by manual key panel, the event among the Ext is waken MCU up immediately to the power supply of X86, and other functional modules (audio frequency, radio etc.) of relying on of X86 and its are also recovered normal power supply like this; And this moment, 3G module and GPS module still were in the sleep pattern; System also enters into mode of operation by sleep pattern like this;
3) if. when the Can bus was received from the information of car check faulty equipment, the work that also can wake MCU up, and waking the work of X86 up was shown to the user to information always;
The mode of operation of MCU has normal mode of operation and sleep pattern, under mode of operation: X86 chip, audio-frequency module, radio receiver module, 3G module, GPS module, the work of display panel module normal power supply, and 3G module and GPS module enter sleep under sleep pattern, X86 module, audio-frequency module, radio receiver module outage, the display panel module outage.
MCU has waken three kinds up from the sleep pattern to the normal mode of operation, be respectively that 3G incoming call, Can bus, Ext interrupt; Ext interrupts referring to that the people opens the operation disruption of intelligence system;
MCU is as follows to the power supply management principle of each module:
1). come X86 module (obtaining the state of X86 by heartbeat packet), audio management module, radio receiver module are carried out the switch electric control by power management module, by the io pin of modules being controlled access, recovery, the setting of each hardware module;
2). come 3G module, GPS module are carried out when MCU wakes up, also can waking simultaneously 3G and GPS module up to the separately sleep pattern of module and the switching controls of mode of operation by the UART serial ports;
3). the power supply control to display panel module is not directly to adopt power management, but just controls to manage by the level of io pin, just carries out Save and restore by the level to the io pin when the display panel module mode of operation is switched yet.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. car-mounted terminal power consumption dynamic regulating method based on RT-Thread is characterized in that:
Step 1: during automobile flameout, stop the heartbeat packet from X86, the power management module on MCU cuts off the power supply to X86, and system enters into sleep pattern by mode of operation; Under the sleep pattern, 3G module and GPS module enter sleep, X86 module, audio-frequency module, radio receiver module outage, display panel module outage;
Step 2:3G incoming call, Ext interrupt or the urgent signal of Can bus is issued to the MCU side, and MCU detects these signals, understand the duty of waking MCU up; MCU opens the power supply to X86, and the X86 system enters mode of operation.
2. the car-mounted terminal power consumption dynamic regulating method based on RT-Thread according to claim 1, it is characterized in that: in the step 2, the 3G module is received note or information, and the 3G module switches to mode of operation by sleep pattern, wakes simultaneously each other modules of MCU up and to other module for power supply.
3. the car-mounted terminal power consumption dynamic regulating method based on RT-Thread according to claim 1, it is characterized in that: in the step 2, by manual key panel, event among the Ext is waken MCU up immediately to the power supply of X86, and audio frequency, the radio function module of X86 and its dependence are also recovered normal power supply like this.
4. the car-mounted terminal power consumption dynamic regulating method based on RT-Thread according to claim 1, it is characterized in that: in the step 2, when the Can bus is received from the information of car check faulty equipment, the work that wakes MCU up, and waking the work of X86 up, information always is shown to the user.
5. according to claim 1 to the described car-mounted terminal power consumption dynamic regulating method based on RT-Thread of 4 any one, it is characterized in that: come X86 module, audio management module, radio receiver module are carried out the switch electric control by power management module, by the io pin of modules being controlled access, recovery, the setting of each hardware module.
6. according to claim 1 to the described car-mounted terminal power consumption dynamic regulating method based on RT-Thread of 4 any one, it is characterized in that: come 3G module, GPS module are carried out the separately sleep pattern of module and the switching controls of mode of operation by the UART serial ports, when MCU wakes up, also can wake simultaneously 3G and GPS module up.
7. according to claim 1 to the described car-mounted terminal power consumption dynamic regulating method based on RT-Thread of 4 any one, it is characterized in that: the power supply control to display panel module is just to control to manage by the level of io pin, also just carries out Save and restore by the level to the io pin when the display panel module mode of operation is switched.
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| CN2012105023509A CN103064321A (en) | 2012-11-30 | 2012-11-30 | Vehicle terminal power consumption dynamic adjusting method based on RT-Thread |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984562A (en) * | 2014-06-06 | 2014-08-13 | 深圳市众鸿科技股份有限公司 | Car-mounted terminal and electricity-saving control method thereof |
| CN104035395A (en) * | 2014-03-12 | 2014-09-10 | 武汉英泰斯特电子技术有限公司 | Low power consumption vehicle-mounted terminal and low power consumption achieving method of vehicle-mounted terminal |
| CN104065727A (en) * | 2014-06-26 | 2014-09-24 | 深圳市众鸿科技股份有限公司 | Network wake-up method of vehicle-borne terminal and vehicle-borne terminal |
| CN105700418A (en) * | 2014-11-28 | 2016-06-22 | 奇点新源国际技术开发(北京)有限公司 | Power-saving mode control method and device applied to vehicle-borne terminal |
| CN106143350A (en) * | 2015-04-20 | 2016-11-23 | 比亚迪股份有限公司 | The control method of automobile and vehicle multimedia system and control device |
| CN110082796A (en) * | 2019-04-30 | 2019-08-02 | 联陆智能交通科技(上海)有限公司 | Intelligent network joins vehicle GPS Low-power-consumptiocontrol control method |
| CN110969771A (en) * | 2019-11-27 | 2020-04-07 | 深圳市朗仁科技有限公司 | Vehicle management method, device, vehicle-mounted terminal and storage medium thereof |
| CN114655144A (en) * | 2022-03-09 | 2022-06-24 | 南京北路智控科技股份有限公司 | Switching method and system for power-saving working mode of mining intrinsic safety type vehicle-mounted terminal |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035395A (en) * | 2014-03-12 | 2014-09-10 | 武汉英泰斯特电子技术有限公司 | Low power consumption vehicle-mounted terminal and low power consumption achieving method of vehicle-mounted terminal |
| CN103984562A (en) * | 2014-06-06 | 2014-08-13 | 深圳市众鸿科技股份有限公司 | Car-mounted terminal and electricity-saving control method thereof |
| CN103984562B (en) * | 2014-06-06 | 2017-12-26 | 深圳市众鸿科技股份有限公司 | The electricity-saving control method and car-mounted terminal of a kind of car-mounted terminal |
| CN104065727A (en) * | 2014-06-26 | 2014-09-24 | 深圳市众鸿科技股份有限公司 | Network wake-up method of vehicle-borne terminal and vehicle-borne terminal |
| CN105700418A (en) * | 2014-11-28 | 2016-06-22 | 奇点新源国际技术开发(北京)有限公司 | Power-saving mode control method and device applied to vehicle-borne terminal |
| CN105700418B (en) * | 2014-11-28 | 2019-07-30 | 奇点新源国际技术开发(北京)有限公司 | Energy-saving mode control method and device applied to car-mounted terminal |
| CN106143350A (en) * | 2015-04-20 | 2016-11-23 | 比亚迪股份有限公司 | The control method of automobile and vehicle multimedia system and control device |
| CN106143350B (en) * | 2015-04-20 | 2019-02-26 | 比亚迪股份有限公司 | The control method and control device of automobile and vehicle multimedia system |
| CN110082796A (en) * | 2019-04-30 | 2019-08-02 | 联陆智能交通科技(上海)有限公司 | Intelligent network joins vehicle GPS Low-power-consumptiocontrol control method |
| CN110969771A (en) * | 2019-11-27 | 2020-04-07 | 深圳市朗仁科技有限公司 | Vehicle management method, device, vehicle-mounted terminal and storage medium thereof |
| CN114655144A (en) * | 2022-03-09 | 2022-06-24 | 南京北路智控科技股份有限公司 | Switching method and system for power-saving working mode of mining intrinsic safety type vehicle-mounted terminal |
| CN114655144B (en) * | 2022-03-09 | 2024-04-16 | 南京北路智控科技股份有限公司 | Mining intrinsic safety type vehicle-mounted terminal power-saving working mode switching method and system |
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Application publication date: 20130424 |