#startx
Loading /etc/sysconfig/keyboard/kernel.map

_XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
_XSERVTransOpen: transport open failed for inet6/zaurus:0
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6
XIO:  fatal IO error 104 (Conection reset by peer) on X server ":0.0"
     after 0 requests (0 known processed) with 0 events remaining.

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <ctype.h>
#include <fcntl.h>
#include "cfxga.h"

#define SCREEN_WIDTH    640
#define SCREEN_HEIGHT   480

int main(int argc, char *argv[])
{
   unsigned short *scrnbuf, *sb2;
   unsigned long rez;
   int fd, fbfd, center=0;
   struct cfxgaset desc = { 0, 0, 640, 480, 16, 1280, NULL };
   struct cfxgaget info;


   fd = open("/dev/cfxga0a", O_RDWR);
   if(fd < 0)
   {
    printf("No CFXGA card\n");
    return -1;
   }

   if(argc == 1 || argc>3 ||
      (!isdigit(argv[1][0])&&!isdigit(argv[argc-1][0])))
   {
    int i;
    
    printf("usage: cfxgamirror [-c] <mode>\n Available modes:\n");
    // display data for all modes
    ioctl(fd, CFXGANUMMODES, &rez);
    for(i = 0; i < rez; i++)
    {
    info.mode = i;
    ioctl(fd, CFXGAGETMODE, &info);
    printf("%2ld: W=%ld H=%ld vf=%-2ld d=%ld hf=%ld vid=%02lx\n", info.mode, info.width, info.height, info.vfreq,
      info.depth, info.hfreq, info.appl);
    }
    printf("must assign mode number\n");
    printf("-c  :  display to center and no scaling\n");
    close(fd);
    return 1;
   }
   if (argv[1][0]=='-'&&argv[1][1]=='c')
       center = 1;
   
   
   rez = atoi(argv[argc-1]);
   // get mode stats
   info.mode = rez;
   ioctl(fd, CFXGAGETMODE, &info);

   // display mode specs
   printf("%2ld: W=%ld H=%ld vf=%-2ld d=%ld hf=%ld vid=%02lx\n", info.mode, info.width, info.height, info.vfreq, info.depth,
         info.hfreq, info.appl);
   if (center==0)
   {
       desc.height = info.height;
       desc.width = info.width;
   }
   else
   {
       desc.left = (info.width - desc.width) / 2;
       desc.top = (info.height - desc.height) / 2;
       desc.height = SCREEN_HEIGHT;
       desc.width = SCREEN_WIDTH;
   }
   desc.stride = desc.width*2;
   // set mode
   ioctl(fd, CFXGASETMODE, &rez);
   // clear screen
   ioctl(fd, CFXGACLEAR, NULL);
   // map screen buffer
   fbfd = open("/dev/fb0", O_RDONLY);    // I'm not sure when I can close this
   sb2 = mmap(0, SCREEN_WIDTH * SCREEN_HEIGHT * 2, PROT_READ, MAP_PRIVATE, fbfd, 0);
   
   // close(fbfd);  /* comment by daniel3000: I tried this here, but it does not make a difference at all. */
   
   // a normal malloc or global may work, but to be safe...
   scrnbuf = mmap(0, desc.width * desc.height * 2, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
   desc.image = scrnbuf;

   // update the image a little slower than every second
   for(;;)
   {
       static int sum;
       int i,j,x,y,dx,dy,cx,cy,cksum;
    unsigned short *dst,*src;
       
       dx = desc.width - SCREEN_WIDTH;
       dy = desc.height - SCREEN_HEIGHT;        
       cksum = 0;
       dst = scrnbuf;
       y = SCREEN_HEIGHT-1;
       for(cy=i=0;i<desc.height;i++,y--)
       {
           src = sb2+y;
           for(x=cx=j=0;j<desc.width;j++,dst++)
           {
               cksum+=(*dst=src[x]);
               cx += dx;
               if (cx>=desc.width)
               {
                   cx -= desc.width;
                   x -= SCREEN_HEIGHT;
               }
               x += SCREEN_HEIGHT;
           }
           cy += dy;
           if (cy>=desc.height)
           {
               cy-=desc.height;
               y++;
           }
       }
    // send to VGA chip
    if (sum!=cksum)
    {
                 ioctl(fd, CFXGAWRITERECT, &desc);
                 sum = cksum;
               }
    sleep(1);
   }
}

[API List]
1. CFXGA_GET_STATUS    Get a status of CFXGA. Check the physical card and a driver version.
2. CFXGA_GET_RESONUM    Return supported resolution numbers.
3. CFXGA_GET_RESOINFO    List up suppoted resolutions info.
4. CFXGA_SET_RESO  Set up a resolution
5. CFXGA_COPY_FB  Copy data from memory to frame buffer
6. CFXGA_COPY_FB2  Copy data from assigned physical address to frame buffer
7. CFXGA_CLEAR_SCREEN@    Display clear
8. CFXGA_SCREEN_OFF    Display off