drgbaud.c

Equator 公司BSP-15 DSP开发平台所有驱动程序源码

/**
*** Copyright (c) 2002 Equator Technologies, Inc.
**/

/************************************************************************
***
***  FILENAME: drgbaud.c
***
***  DESCRIPTION:
***    Combined test application for Digital RGB (via DRC and video display driver Vdis) and Audio.
***
***    The source and target image is always 800 x 600. 
***    The output can be directed to RGB out for comparison.
***
***    Sample command lines:
***
***         drgbout "vga" <pattern=1,2,3> <time=n (seconds, 0 to run forever)
***         drgbout "lcd12" <pattern> <time>
***         drgbout "lcd18" <pattern> <time>
***         drgbout "lcd24" <pattern> <time>
***
************************************************************************/

#include <eti/drv.h>

// Macro for checking a driver return code
#define CHECK_RC(rc, fnname) \
    if (ETIDRV_CHECK_ERROR(rc)) { \
        printf(fnname ## " failed, error = 0x%08x\n", rc); \
        exit(1); \
    }

// Main processing function
SCODE ProcessDRGB_Audio(int bUseLcd, int iDstWidth, int iDstHeight, 
                       int iRefresh, int pattern, int duration, 
                       int lcdBpp)
{
    SCODE err = ETIDRV_OK;

    int forever;
    int iCount;

    err = InitDRGB(bUseLcd, iDstWidth, iDstHeight, iRefresh, pattern, duration, lcdBpp);
    CHECK_RC(err, "InitDRGB");

    err = InitAudio(iRefresh);

    // Wait until duration seconds worth of frames have been displayed
    //
    iCount = duration * iRefresh;
    forever = (iCount==0);

    while (forever || iCount--) {
      err = ProcessDRGBSingle();
      CHECK_RC(err, "ProcessDRGBSingle");

      err = ProcessAudioSingle();
      CHECK_RC(err, "ProcessAudioSingle");
    }

    err = CloseDRGB();
    CHECK_RC(err, "CloseDRGB");

    err = CloseAudio();
    CHECK_RC(err, "CloseAudio");

    return err;
}


static void usage(void) 
{
    printf("usage: drgbaud {\"lcd\"|\"lcd{24|18|12}\"|\"vga\"} pattern time\n");
    printf("  pattern=1 for checkerboard, 2 for gradient, 3 for bits[3:0]), 4 for bits[7:4]\n");
    printf("  time = duration of test (seconds), 0 = forever\n");
}


SCODE drgbaud (unsigned char *dev, int pattern, int duration)
{
    SCODE err;

    if (pattern < 1 || pattern > 4) {
        printf ("Invalid pattern %d\n", pattern);
        usage();
        exit(1);
    }

    printf("Digital RGB and Audio test application\n");

    if (duration == 0) {
        printf ("Run forever\n");
    } else {
        printf ("Run for %d seconds\n", duration);
    }

    if ((strcmp(dev,"lcd24")==0) || strcmp(dev,"LCD24")==0) {
        err = ProcessDRGB_Audio(1, 800, 600, 60, pattern, duration, 24);
    } else if ((strcmp(dev,"lcd18")==0) || strcmp(dev,"LCD18")==0) {
        err = ProcessDRGB_Audio(1, 800, 600, 60, pattern, duration, 18);
    } else if ((strcmp(dev,"lcd12")==0) || strcmp(dev,"LCD12")==0) {
        err = ProcessDRGB_Audio(1, 800, 600, 60, pattern, duration, 12);
    } else if ((strcmp(dev,"lcd")==0) || strcmp(dev,"LCD")==0) {
        err = ProcessDRGB_Audio(1, 800, 600, 60, pattern, duration, 24);
    } else if ((strcmp(dev,"vga")==0) || strcmp(dev,"VGA")==0) {
        err = ProcessDRGB_Audio(0, 800, 600, 60, pattern, duration, 0);
    } else {
        usage();
        exit(1);
    }

    return err;
}


#ifndef RTOS

// Command line entry point
int main(int argc, char *argv[])
{
    SCODE err;
    int pattern, duration;
    unsigned char *dev;

    if (argc < 4) {
        usage();
        exit(1);
    }

    dev = (unsigned char *)argv[1];
    pattern = atoi(argv[2]);
    duration = atoi(argv[3]);

    err = drgbaud (dev, pattern, duration);

    exit (err == ETIDRV_OK ? 0 : 1);
}

#endif