CN102841319A - Battery voltage monitoring method based on BMC (baseboard management controller) - Google Patents
Battery voltage monitoring method based on BMC (baseboard management controller) Download PDFInfo
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- CN102841319A CN102841319A CN2012102898176A CN201210289817A CN102841319A CN 102841319 A CN102841319 A CN 102841319A CN 2012102898176 A CN2012102898176 A CN 2012102898176A CN 201210289817 A CN201210289817 A CN 201210289817A CN 102841319 A CN102841319 A CN 102841319A
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- battery voltage
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- baseboard management
- controller bmc
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Abstract
The invention provides a battery voltage monitoring method based on a BMC (baseboard management controller). The method comprises the following steps of: capturing battery voltage information, capturing voltage information in an ADC (analog-to-digital converter) module by a south bridge; and detecting the battery voltage. With the adoption of the method provided by the invention, the baseboard battery voltage can be monitored effectively and the battery abnormal situation can be found in time, so that a strong foundation is built for the stable and successful running of a system.
Description
Technical field
The present invention relates to a kind of detection method, be specifically related to a kind of battery voltage monitoring method based on BMC.
Background technology
Baseboard management controller BMC (Baseboard Management Controller) supports the IPMI standard of industry standard.This specification description be built into the management function on the mainboard.These functions comprise: local and remote diagnosis, control desk support, configuration management, hardware management and fault are got rid of.Its function that provides has: with the compatibility of IPMI 1.0; Be used for the velocity gauge input that rotation speed of the fan is kept watch on; Be used for the pulse width regulator output of rotation speed of the fan control; Be used for the button input of front panel button and switch; Carry out a multiplex serial port with the server console port; Remote access and intelligent cabinet management bus ICBM (Intelligent Chassis Management Bus) support; Three I2C master ports and standby port (one of them port is used for intelligent cabinet management bus); Low pin counting LPC (Low Pin Count) bus provides the visit to three kinds of KCS (Keyboard Controller Style, KBC mode) and BT (One-Block Transfer, monolithic transmission) interface; 32 ARM7 processors; 160 pin LQFP (Low Profile Flat Pack, thin type flat package).For interface IPMI and IPMB provide firmware.
Application number is arrangement for detecting and the method for detecting that 200610127501.1 patent of invention discloses battery voltage reference position, and its analog to digital converter capable of using (analog-to-digital converter) or digital to analog converter (digital-to – analog converter) come accurately to detect the voltage quasi position of battery.In one embodiment, said arrangement for detecting comprises digital to analog converter, comparator circuit and microprocessor.Digital to analog converter can be exported a plurality of with reference to accurate position according to a setting signal.Comparator circuit is in order to the output voltage that compares battery and more said with reference to accurate position, and exports one and compare signal, and microprocessor is judged the voltage quasi position of battery according to the said signal that compares.Power attenuation is seldom taken into account in this method, and extending battery life will be relatively distinct issues to greatest extent.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art, the present invention provides a kind of battery voltage monitoring method based on BMC, and effective monitoring mainboard cell voltage can in time be found the battery unusual condition, for system stability, healthy operation provide solid foundation.
In order to realize the foregoing invention purpose, the present invention takes following technical scheme:
A kind of battery voltage monitoring method based on baseboard management controller BMC said method comprising the steps of:
Step 1: grasp battery voltage information;
Step 2: south bridge grasps the information of voltage in the ADC module;
Step 3: detect cell voltage.
In the said step 1, grasp battery voltage information through baseboard management controller BMC.
Utilize general I/O as CS, and open said CS in real time and obtain battery voltage information.
In the said step 2, south bridge grasps the digital voltage information of said battery voltage information being carried out the A/D conversion and transmitting through System Management Bus SMBus through the ADC module.
Said baseboard management controller BMC comprises ADC module and GPIO.
Arbitrary mode below said step 3 is passed through realizes:
Mode A: detect cell voltage through south bridge;
Mode B: detect cell voltage through said baseboard management controller BMC.
Among the said mode A, south bridge shows cell voltage through basic input-output system BIOS or obtains and show cell voltage through operating system.
Among the said mode B, the user obtains battery voltage information through network entry baseboard management controller BMC, and then the monitoring cell voltage.
Compared with prior art; Beneficial effect of the present invention is: the present invention adopts GPIO as pilot switch, and effectively reducing battery drain influences battery life, and can effective monitoring mainboard cell voltage; And in time find the battery unusual condition, for system stability, healthy operation provide solid foundation.
Description of drawings
Fig. 1 is based on the battery voltage monitoring method flow diagram of baseboard management controller BMC;
Fig. 2 adopts GPIO to grasp the battery voltage information synoptic diagram as pilot switch;
Fig. 3 is that baseboard management controller BMC grasps the detailed wiring diagram of battery voltage information;
Fig. 4 is that south bridge grasps the information of voltage synoptic diagram in the ADC module;
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
Like Fig. 1, a kind of battery voltage monitoring method based on baseboard management controller BMC said method comprising the steps of:
Step 1: grasp battery voltage information;
Step 2: south bridge grasps the information of voltage in the ADC module;
Step 3: detect cell voltage.
Like Fig. 2, in the said step 1, grasp battery voltage information through baseboard management controller BMC.
Utilize general I/O as CS, and open said CS in real time and obtain battery voltage information.
Fig. 3 grasps the detailed wiring diagram of battery voltage information for baseboard management controller BMC, and through resistance R 2, R3 dividing potential drop transmission level is to BMC ADC module under the situation of metal-oxide-semiconductor Q1 conducting for cell voltage.R1 is used for externally measured voltage to confirm whether leakage current satisfies the industry requirement.GPIO among the baseboard management controller BMC controls the conducting of metal-oxide-semiconductor Q1 through the high-low level of certain frequency and closes to reach and read voltage and reduce the power consumption purpose.When GPIO signal BMC_BAT_SENCE_ENABLE is high level, the Q1 conducting, BMC can read voltage; When BMC_BAT_SENCE_ENABLE was low level, Q1 closed, and reached the purpose that reduces battery power consumption.
Like Fig. 4, in the said step 2, south bridge grasps the digital voltage information of said battery voltage information being carried out the A/D conversion and transmitting through System Management Bus SMBus through the ADC module.
Said baseboard management controller BMC comprises ADC module and general I/O GPIO.
Arbitrary mode below said step 3 is passed through realizes:
Mode A: detect cell voltage through south bridge;
Mode B: detect cell voltage through said baseboard management controller BMC.
Among the said mode A, south bridge shows cell voltage through basic input-output system BIOS or obtains and show cell voltage through operating system.
Among the said mode B, the user obtains battery voltage information through network entry baseboard management controller BMC, and then the monitoring cell voltage.
The present invention adopts GPIO as pilot switch, and effectively reducing battery drain influences battery life, and can effective monitoring mainboard cell voltage, and in time finds the battery unusual condition, for system stability, healthy operation provide solid foundation.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although the present invention has been carried out detailed explanation with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: still can specific embodiments of the invention make amendment or be equal to replacement; And do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. battery voltage monitoring method based on baseboard management controller BMC is characterized in that: said method comprising the steps of:
Step 1: grasp battery voltage information;
Step 2: south bridge grasps the information of voltage in the ADC module;
Step 3: detect cell voltage.
2. the battery voltage monitoring method based on baseboard management controller BMC according to claim 1 is characterized in that: in the said step 1, grasp battery voltage information through baseboard management controller BMC.
3. the battery voltage monitoring method based on baseboard management controller BMC according to claim 2 is characterized in that: utilize general I/O as CS, and open said CS in real time and obtain battery voltage information.
4. the battery voltage monitoring method based on baseboard management controller BMC according to claim 1; It is characterized in that: in the said step 2, south bridge grasps the digital voltage information of said battery voltage information being carried out the A/D conversion and transmitting through System Management Bus SMBus through the ADC module.
5. according to claim 2 or 4 described battery voltage monitoring methods based on baseboard management controller BMC, it is characterized in that: said baseboard management controller BMC comprises ADC module and GPIO.
6. the battery voltage monitoring method based on baseboard management controller BMC according to claim 1 is characterized in that: arbitrary mode below said step 3 is passed through realizes:
Mode A: detect cell voltage through south bridge;
Mode B: detect cell voltage through said baseboard management controller BMC.
7. the battery voltage monitoring method based on baseboard management controller BMC according to claim 6 is characterized in that: among the said mode A, south bridge shows cell voltage through basic input-output system BIOS or obtains and show cell voltage through operating system.
8. the battery voltage monitoring method based on baseboard management controller BMC according to claim 6 is characterized in that: among the said mode B, the user obtains battery voltage information through network entry baseboard management controller BMC, and then the monitoring cell voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102898176A CN102841319A (en) | 2012-08-15 | 2012-08-15 | Battery voltage monitoring method based on BMC (baseboard management controller) |
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| CN2012102898176A CN102841319A (en) | 2012-08-15 | 2012-08-15 | Battery voltage monitoring method based on BMC (baseboard management controller) |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104615506A (en) * | 2015-02-13 | 2015-05-13 | 浪潮电子信息产业股份有限公司 | Logic control based BIOS (basic input/output system) and BMC (baseboard management controller) backup method |
| CN106528373A (en) * | 2016-10-27 | 2017-03-22 | 郑州云海信息技术有限公司 | Method for improving core voltage monitoring precision of mainboard |
| CN108021480A (en) * | 2017-12-07 | 2018-05-11 | 郑州云海信息技术有限公司 | A kind of method and system that CPLD electric voltage exceptions are judged by setting BMC SDR |
| CN108051759A (en) * | 2017-12-28 | 2018-05-18 | 北京臻迪科技股份有限公司 | A kind of test system and method for lithium battery, lithium battery |
| CN108984365A (en) * | 2018-06-27 | 2018-12-11 | 郑州云海信息技术有限公司 | A kind of BMC voltage monitoring method and system for preventing from accidentally alerting |
| CN109188064A (en) * | 2018-09-26 | 2019-01-11 | 郑州云海信息技术有限公司 | A kind of electric voltage observation circuit and voltage monitor |
| CN109444752A (en) * | 2018-11-01 | 2019-03-08 | 郑州云海信息技术有限公司 | A kind of RTC cell voltage test method, device and server |
| CN110441713A (en) * | 2019-07-12 | 2019-11-12 | 苏州浪潮智能科技有限公司 | A method of passing through the automatic testing service device LED light stability of BMC |
| CN112666485A (en) * | 2020-11-25 | 2021-04-16 | 山东云海国创云计算装备产业创新中心有限公司 | Power stability analysis device and power system |
| CN113961029A (en) * | 2021-12-23 | 2022-01-21 | 苏州浪潮智能科技有限公司 | Method, device and medium for improving output voltage precision |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104615506A (en) * | 2015-02-13 | 2015-05-13 | 浪潮电子信息产业股份有限公司 | Logic control based BIOS (basic input/output system) and BMC (baseboard management controller) backup method |
| CN106528373A (en) * | 2016-10-27 | 2017-03-22 | 郑州云海信息技术有限公司 | Method for improving core voltage monitoring precision of mainboard |
| CN108021480A (en) * | 2017-12-07 | 2018-05-11 | 郑州云海信息技术有限公司 | A kind of method and system that CPLD electric voltage exceptions are judged by setting BMC SDR |
| CN108051759A (en) * | 2017-12-28 | 2018-05-18 | 北京臻迪科技股份有限公司 | A kind of test system and method for lithium battery, lithium battery |
| CN108984365A (en) * | 2018-06-27 | 2018-12-11 | 郑州云海信息技术有限公司 | A kind of BMC voltage monitoring method and system for preventing from accidentally alerting |
| CN109188064A (en) * | 2018-09-26 | 2019-01-11 | 郑州云海信息技术有限公司 | A kind of electric voltage observation circuit and voltage monitor |
| CN109444752A (en) * | 2018-11-01 | 2019-03-08 | 郑州云海信息技术有限公司 | A kind of RTC cell voltage test method, device and server |
| CN110441713A (en) * | 2019-07-12 | 2019-11-12 | 苏州浪潮智能科技有限公司 | A method of passing through the automatic testing service device LED light stability of BMC |
| CN112666485A (en) * | 2020-11-25 | 2021-04-16 | 山东云海国创云计算装备产业创新中心有限公司 | Power stability analysis device and power system |
| CN112666485B (en) * | 2020-11-25 | 2022-07-29 | 山东云海国创云计算装备产业创新中心有限公司 | Power stability analysis device and power system |
| CN113961029A (en) * | 2021-12-23 | 2022-01-21 | 苏州浪潮智能科技有限公司 | Method, device and medium for improving output voltage precision |
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Application publication date: 20121226 |
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