A battery state control method based on domestic Phytium processor
A battery status and control method technology, applied in the field of battery status control and ruggedized portable computers, can solve problems such as constraints, failure to support SmartBattery battery status control, and impact on the application and promotion of Feiteng platform reinforced portable computers
Active Publication Date: 2018-06-29
NAT UNIV OF DEFENSE TECH
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[0007] To sum up, the domestic Phytium processor platform cannot currently support Smart Battery battery status control, which seriously restricts the realization of the power management function of the domestic Phytium processor in ruggedized portable computers, and will affect the application of ruggedized portable computers based on the Phytium platform and promotion
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[0074] figure 1 A schematic diagram of the logical structure of the Smart Battery battery state control system constructed for the first step of the present invention. Such as figure 1 As shown in the hardware logic structure, the Smart Battery battery status control system consists of four parts: Smart Battery, Phytium 1000A processor, battery status control software and power management application. Smart Battery's lithium polymer rechargeable battery, power adapter, micro control unit MCU and battery management chip LTC4100 are the four core components of the Phytium 1000A processor, which are connected to the built-in AMBA of the FT1000A processor through the SMB clock line and SMB data line. (Advanced Microcontroller Bus Architecture) The fourth I2C interface of the I2C controller under the bus (ie I2C interface 3). The address of the I2C slave device is 7 bits, and the 8-bit address needs to be completed by shifting and complementing operations when using it. In this ...
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The invention discloses a method for controlling a battery status based on a domestic Fei Teng processor. The method is used for obtaining in real time various information of an intelligent battery and controlling a charge and discharging status of the battery. The technical scheme is that a battery status control system of Smart Battery formed by the Smart Battery, a Fei Teng 1000A processor, battery status control software and a power supply management application is built first, battery status information is obtained by the battery status control software according to the cycle T by accessing a register related to LTC 4100, the battery status information is wrote in a proc file system, the power supply management application is provided with upper limit threshold value of the charge quantity of electricity and lower limit threshold value of discharge quantity of electricity, structured battery status information is obtained by the power supply management application from the Proc file system according to the cycle T, and the charge and discharge of the battery of the Smart Battery is controlled. According to the method, the control of the battery status of the Smart Battery based on a Fei Teng processor platform can be implemented at low cost, and the compatibility, the adaptability, the flexibility and the extendibility are good.
Description
technical field [0001] The invention relates to the field of power supply management, in particular to a method for controlling the battery state of a reinforced portable computer based on a domestic Phytium processor. Background technique [0002] The battery state control method mainly realizes two functions of battery real-time information acquisition and battery charging and discharging state setting. Acquisition of battery real-time information means that the operating system kernel obtains the real-time state parameters of the battery from each register of the battery and writes them into the user space; battery charge and discharge state setting means that the application program in the user space sets the charge and discharge state of the battery according to the real-time information of the battery . The method is generally used to obtain and control battery information of a portable computer, thereby supporting the realization of related functions of power managem...
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IPC IPC(8): G06F1/26
CPCG06F1/26
Inventor 史佩昌刘惠孔金珠邵立松任怡阳国贵蒋林轩夏若冰刘永
Owner NAT UNIV OF DEFENSE TECH