adi_graph_driver_generic.h

BlackFin DSP(ADSP) LCD 文字overlay 显示源码

#ifndef __ADI_GRAPH_DRIVER_GENERIC__
#define __ADI_GRAPH_DRIVER_GENERIC__

/*
 * Function prototypes for generic services provided by a hardware
 * driver.  To port ADI_GRAPH to any particular hardware platform, these
 * functions must be implemented.
 */
 
int          ADI_GRAPH_DRV_InitScreenBuffer ( unsigned char *base_address );
int          ADI_GRAPH_DRV_DriveScreenBuffer ( unsigned char *base_address );

void         ADI_GRAPH_DRV_WriteToCanvas ( unsigned short X, unsigned short Y, unsigned int val, void *buffer );
unsigned int ADI_GRAPH_DRV_ReadFromCanvas ( unsigned short X, unsigned short Y, void *buffer );
void*        ADI_GRAPH_DRV_GetScreenCanvas ();

//unsigned int ADI_GRAPH_DRV_ConvertRGBtoNative ( unsigned short B, unsigned short G, unsigned short R);
unsigned short ADI_GRAPH_DRV_ConvertRGBtoNative ( unsigned char B, unsigned char G, unsigned char R);

#endif