Homebrew creation for innotab - Printable Version

Code:
#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <fcntl.h>



#include <sys/types.h>

#include <sys/ioctl.h>



#include "mach/gp_display.h"

#include "mach/gp_chunkmem.h"



#include <tslib.h>



#define XRATIO 1.0f //1.5f

#define YRATIO 1.0f //1.134f



#define SCREEN_WIDTH  480

#define SCREEN_HEIGHT 272

#define SCREEN_DEPTH 16



#define BMP_WIDTH  SCREEN_WIDTH

#define BMP_HEIGHT SCREEN_HEIGHT

#define BMP_DEPTH  SCREEN_DEPTH



#define RGB565(r, g, b)  (((r) << (5+6)) | ((g) << 6) | (b))



#include "graph.h"



#define CLEAR(x) memset (&(x), 0, sizeof (x))



int main( int argc, char* args[] )

{

 int done = 0;



 /* dips variable */

 int dispDev;

 int chunkMem;

 chunk_block_t priBlk;

 gp_disp_res_t panelRes;

 gp_bitmap_t priBitmap;

 UINT16 *data;



 /* tslib init */

 char *tsdevice=NULL;

 struct tsdev *ts;

 if( (tsdevice = getenv("TSLIB_TSDEVICE")) != NULL ) {

 ts = ts_open(tsdevice,0);

 } else {

 ts = ts_open("/dev/input/event0", 0);

 }

 if (!ts) {

 perror("ts_open");

 exit(1);

 }

 if (ts_config(ts)) {

 perror("ts_config");

 exit(1); 

 }



 /* Opening the device dispDev */

 dispDev = open("/dev/disp0",O_RDWR);

 fprintf(stderr,"dispDev = %d\n", dispDev);



 ioctl(dispDev, DISPIO_SET_INITIAL, 0);

 ioctl(dispDev, DISPIO_GET_PANEL_RESOLUTION, &panelRes);



 /* Opening /dev/chunkmem */

 chunkMem = open("/dev/chunkmem", O_RDWR);



 /* Allocate primary frame buffer */

 priBlk.size = (BMP_WIDTH) * (BMP_HEIGHT) *2;

 ioctl(chunkMem, CHUNK_MEM_ALLOC, (unsigned long)&priBlk);



 /* Set primary layer bitmap */

 priBitmap.width = panelRes.width;

 priBitmap.height = panelRes.height;

 priBitmap.bpl = panelRes.width*2;

 priBitmap.type = SP_BITMAP_RGB565;

 priBitmap.pData = priBlk.addr;



 ioctl(dispDev, DISPIO_SET_PRI_BITMAP, &priBitmap);



 /* Enable primary layer */

 ioctl(dispDev, DISPIO_SET_PRI_ENABLE, 1);

 ioctl(dispDev, DISPIO_SET_UPDATE, 0);





 while(done==0){



 /* fill primary bitmap */

 Draw_string((char*)priBitmap.pData, 50, 50,"Hello World innotab!", 20, 1, 2,0xffff,0x8080);

 DrawBoxBmp((char*)priBitmap.pData,40,40, 200,40, RGB565(31, 11, 7)); 

 DrawCircle((char*)priBitmap.pData,200, 100, 25,RGB565(31, 31, 31),1);

 DrawFBoxBmp((char*)priBitmap.pData,50,100,100,50,RGB565(31, 0, 0));

 DrawlineBmp((char*)priBitmap.pData,20,256,460,258,RGB565(0, 31, 0));



 /* update and wait frame end */

 ioctl(dispDev, DISPIO_SET_PRI_BITMAP, &priBitmap);

 ioctl(dispDev, DISPIO_SET_PRI_ENABLE, 1);

 ioctl(dispDev, DISPIO_SET_UPDATE, 0);

 ioctl(dispDev, DISPIO_WAIT_FRAME_END, 0);





 /* update tslib and exit if touch*/

 struct ts_sample samp;

 int ret;

 ret = ts_read(ts, &samp, 1);

 if (ret < 0) {

 perror("ts_read");

 goto fin;

 }

 if (ret != 1)

 continue;

 

 if (samp.pressure > 0)

 fprintf(stderr,"%ld.%06ld: %6d %6d %6d\n", samp.tv.tv_sec, samp.tv.tv_usec,samp.x, samp.y, samp.pressure);

 

 int SX=(int)(samp.x/XRATIO);

 int SY=(int)(samp.y/YRATIO);

 if(SX>50 && SX<150 && SY>100 && SY<200)done=1; 



 }



 fin:



 close(dispDev);



 ioctl(chunkMem, CHUNK_MEM_FREE, (unsigned long)&priBlk);

 close(chunkMem);



 return 0;

}