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...
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Format: | Patent |
Sprache: | chi ; eng |
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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. |
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