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/*
* Usage:
*
*/
#include
<unistd.h>
#include
<sys/mman.h>
#include
<stdio.h>
#include
<stdlib.h>
#include
<string.h>
#include
<fcntl.h>
#include
<sys/types.h>
#include
<sys/stat.h>
#include
"s1d13521ioctl.h"
#include
<linux/fb.h>
#define WF_MODE_INIT 0
#define WF_MODE_DU 1
#define WF_MODE_GC16 2
#define WF_MODE_GC4 3
int main(int argc,char*argv[])
{
int fbdev, i, j;
static unsignedshort
*vram;
unsigned short*pdata;
unsigned short*pdata1;
unsigned char clr;
int choose = 0;
int fd;
int WIDTH = 600;
int HEIGHT = 800;
int PIC_WIDTH = 600;
int PIC_HEIGHT= 800;
unsigned char*data;
struct stat sb;
int xindex;
int yindex;
int retVal;
int update_mode = 0;
unsigned short mode;
unsigned short cmd[10];
struct fb_var_screeninfo info;
choose = atoi(argv[1]);
update_mode = atoi(argv[2]);
printf("choose = %d, update_mode = %d\n", choose, update_mode);
/*read a grayscale file from external*/
fd = open(argv[3], O_RDONLY);
if (fd
< 0){
printf("Failed to open:%s\n", argv[3]);
exit(-1);
}
if (fstat(fd,&sb)
==
-1){
printf("stat test_fb error!\n");
return -1;
}
printf("file size = %d!\n", sb.st_size);
data = (unsignedchar
*)malloc(sb.st_size+1);
if (data
== NULL){
printf("Failed to malloc\n");
exit(-1);
}
retVal = read(fd, data, sb.st_size);
if (retVal< sb.st_size){
printf("read32read32: retVal < N, fd = %d ,retVal = %d\n", fd, retVal);
return -1;
}
fbdev = open("/dev/graphics/fb0", O_RDWR);
if ( fbdev< 0)
{
printf("Failed to open:fb");
exit(-1);
}
if (ioctl(fbdev, FBIOGET_VSCREENINFO,&info)
==
-1){
printf("FBIOGET_VSCREENINFO error\n");
exit(-1);
}
printf("yres = %d\n", info.yres);
printf("xres = %d\n", info.xres);
printf("yres_virtual = %d\n", info.yres_virtual);
printf("xres_virtual = %d\n", info.xres_virtual);
/* RGB16 */
vram = (unsignedshort
*)mmap(NULL, info.xres_virtual*
info.yres_virtual* 2,
PROT_READ | PROT_WRITE, MAP_SHARED, fbdev,0);
if(vram
== MAP_FAILED){
printf("mmap OVERLAY2 error!\n");
goto out;
}
/*Clear the framebuffer, nor the screen*/
for(i
= 0; i < info.yres_virtual; i++){
for(j
= 0; j < info.xres_virtual; j++){
vram[i*info.xres_virtual+ j]
= 0xFFFF;
}
}
pdata = (unsignedshort
*)data;
xindex = 0;
yindex = 0;
for(i
= 0; i < info.yres; i++){
xindex = 0;
for(j
= 0; j < info.xres; j++){
vram[i*info.xres+j]
= pdata[i*info.xres+ j];
xindex++;
if(xindex>= PIC_WIDTH)
break;
}
yindex++;
if (yindex>= PIC_HEIGHT)
break;
}
info.yoffset = 0;
info.activate = FB_ACTIVATE_VBL;
ioctl(fbdev,FBIOPUT_VSCREENINFO,&info);/*control
the first frame buffer*/
bzero(cmd,sizeof(cmd));
switch (choose){
case 1:
cmd[0]
= WF_MODE_DU;
break;
case 2:
cmd[0]
= WF_MODE_GC16;
break;
case 3:
cmd[0]
= WF_MODE_GC4;
break;
default:
printf("%s:input mode error! choose = %d\n",__func__,
choose);
}
cmd[1]
= 0;
cmd[2]
= 0;
switch (update_mode){
case 1:
//UPD_FULL
ioctl(fbdev,S1D13521_UPD_FULL, cmd);
break;
case 2://UPD_PART
ioctl(fbdev,S1D13521_UPD_PART, cmd);
break;
case 3://UPD_FULL_AREA
cmd[3]
= 20; /*x*/
cmd[4]
= 20; /*y*/
cmd[5]
= 200;/*width*/
cmd[6]
= 200;/*height*/
ioctl(fbdev,S1D13521_UPD_FULL_AREA, cmd);
break;
case 4:
cmd[3]
= 100;/*x*/
cmd[4]
= 300;/*y*/
cmd[5]
= 400;/*width*/
cmd[6]
= 100;/*height*/
ioctl(fbdev,S1D13521_UPD_PART_AREA, cmd);
break;
case 5:
for (i
= 0; i < 600; i++){
cmd[3]
= i + 50;
cmd[4]
= 300;
cmd[5]
= 10;
cmd[6]
= 10;
usleep(1000* 10);
ioctl(fbdev,S1D13521_UPD_PART_AREA, cmd);
}
break;
default:
for(i
= 0; i < info.yres_virtual; i++){
for(j
= 0; j < info.xres_virtual; j++){
vram[i*info.xres_virtual+ j]
= 0xFFFF;
}
}
cmd[0]
= WF_MODE_GC16;
cmd[1]
= 0;
cmd[2]
= 0;
ioctl(fbdev,S1D13521_UPD_FULL, cmd);
printf("%s: input update_mode error! clear screen !\n",__func__);
}
void showbar(char*cmd)
{
int i = 0;
for (i
= 0; i < 600; i++){
cmd[3]
= i + 10;
cmd[4]
= 300;
cmd[5]
= 10;
cmd[6]
= 10;
usleep(1000* 10);
}
}
out:
munmap(vram, info.xres_virtual* info.yres_virtual*
2);
close(fbdev);
close(fd);
free(data);
printf("end\n");
}
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