www.pudn.com > dm642video-driver.rar > colorbarRGB.c

/* 
 *  Copyright 2003 by Texas Instruments Incorporated. 
 *  All rights reserved. Property of Texas Instruments Incorporated. 
 *  Restricted rights to use, duplicate or disclose this code are 
 *  granted through contract. 
 *   
 */ 
/* "@(#) DDK 1.10.00.21 06-26-03 (ddk-b10)" */ 
#include  
#include  
#include  
#include     
#include "colorbarRGB.h"    
 
 
/* static function declaration */ 
static void generateColorBarRGB(Uint16* buf, Int lineSize); 
 
#define WHITE        0xBDF7 
#define YELLOW       0xC5E0 
#define CYAN         0x05F7 
#define GREEN        0x05E0 
#define MAGENTA      0xB818 
#define RED          0xB800 
#define BLUE         0x0017 
#define BLACK        0x0000 
 
static Uint16 imgLineRGB[1024 * 3]; 
 
 
/* 
 * ======== fillFrmBufRGB ======== 
 * This function fill a frame with color bar of RGB565 format. 
 */ 
 
void FillFrmBufRGB(FVID_RawPFrame* frame, Int lineSz, Int numLines, Int offset) 
{ 
    Int i; 
    Int id; 
    static Int init = 0;  
    if(!init) { 
        generateColorBarRGB(imgLineRGB, lineSz); 
        CACHE_clean(CACHE_L2ALL, NULL, NULL); 
        init = 1; 
    }     
    for(i = 0; i < numLines; i ++) {         
        id = DAT_copy(imgLineRGB + offset * 8, frame->buf + (lineSz << 1) * i,  
            (lineSz << 1)); 
    } 
    DAT_wait(id); 
}           
 
/* 
 * ======== generateColorBarRGB ======== 
 * This function generates a line of color bar with RGB565 format. 
 */ 
 
static void generateColorBarRGB(Uint16* buf, Int lineSize) 
{ 
    Int i;    
    Int fillSize = lineSize >> 3; 
    Int k; 
     
    for(k = 0; k < 3; k ++) { 
        for(i = 0; i < fillSize; i ++) { 
            buf[i] = WHITE; 
            buf[fillSize * 1 + i] = YELLOW; 
            buf[fillSize * 2 + i] = CYAN; 
            buf[fillSize * 3 + i] = GREEN;      
            buf[fillSize * 4 + i] = MAGENTA;      
            buf[fillSize * 5 + i] = RED;      
            buf[fillSize * 6 + i] = BLUE;      
            buf[fillSize * 7 + i] = BLACK;      
 
        }     
        buf  += lineSize; 
    } 
 
}