High definition player control method

The invention relates to a control method of a high-definition player. The control method adopts the guiding mode of zboot plus yamon, and bootloader is divided into two parts of stage 1 and stage 2. The stage1 comprises: preparing RAM space for loading the stage 2 of the BootLoader; copying the sta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG NAN, YUAN LI, CAI ZHUOFEN, WANG JIE, LI ZHIQIANG, WANG SHENG, SHENG HONGYAN, YU QIANG, ZHANG FAN, HUANG HANYI, YAO YULAN, XU QINGHUA, XIAO WEIHUA, SU BENYI, SHI PINKE, CHEN DEWANG, GAO HONGTAO
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to a control method of a high-definition player. The control method adopts the guiding mode of zboot plus yamon, and bootloader is divided into two parts of stage 1 and stage 2. The stage1 comprises: preparing RAM space for loading the stage 2 of the BootLoader; copying the stage 2 of the BootLoader into the RAM space; setting a stack; and jumping to an entry point C of the stage 2. The functions are: carrying out the RAM initialization, setting clocks and chip clocks of each part, copying the BootLoader into the RAM, setting the stack and calling the Stage 2. The stage 2 comprises: carrying out the initialization of hardware devices to be used at the stage; calling the application procedure or starting an inner core. The functions are that: the initialization of a serial port is carried out, a menu is displayed, the input of a user is obtained by the menu and the corresponding operation is implemented.