/* (c) Copyright 2000-2006 convergence integrated media GmbH. All rights reserved. Written by Nikita Egorov Calibration utility for PenMount's touchscreen panel. Run the program and touch to center of left/top cross ( active cross is blinked ). Then touch to right/bottom cross. The program will create four values for penmout's driver. The values will be printed to the console. This file is subject to the terms and conditions of the MIT License: Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include #include #include static IDirectFB *dfb; static IDirectFBSurface *primary; static IDirectFBEventBuffer *buffer; static int sx,sy; int main( int argc, char *argv[] ) { int quit = 0; DFBResult err; DFBGraphicsDeviceDescription gdesc; char init_str[64]; const char* dev = "/dev/ttyS0"; char buf[4096]={0}; char *home = getenv( "HOME" ); if(home) sprintf(init_str,"%s/.directfbrc",home); else strcpy(init_str,"root/.directfbrc"); int file = open ( init_str, O_RDONLY ); if ( file != -1 ){ read(file, buf, sizeof(buf)); close(file); char* pos = strstr( buf, "penmount-device" ),*pos2; if(pos){ pos = strchr(pos,'='); if(pos){ *pos++ = '\0'; if( (pos2=strchr(pos,':'))||(pos2=strchr(pos,'\n')) ) *pos2 = '\0'; dev = pos; } } } printf( "penmount device '%s'\n", dev ); sprintf( init_str,"--dfb:penmount-device=%s:raw", dev); argv[argc++] = init_str; if (DirectFBInit( &argc, &argv ) != DFB_OK) return 1; if (DirectFBCreate( &dfb ) != DFB_OK) return 1; dfb->GetDeviceDescription( dfb, &gdesc ); err = dfb->SetCooperativeLevel( dfb, DFSCL_FULLSCREEN ); if (err != DFB_OK) DirectFBError( "Failed requesting exclusive access", err ); err = dfb->CreateInputEventBuffer( dfb, DICAPS_ALL, DFB_FALSE, &buffer ); if (err != DFB_OK) { DirectFBError( "CreateInputEventBuffer failed", err ); dfb->Release( dfb ); return 1; } { DFBSurfaceDescription dsc; dsc.flags = DSDESC_CAPS; dsc.caps = (gdesc.drawing_flags & DSDRAW_BLEND) ? DSCAPS_PRIMARY | DSCAPS_FLIPPING : DSCAPS_PRIMARY | DSCAPS_FLIPPING | DSCAPS_SYSTEMONLY; err = dfb->CreateSurface( dfb, &dsc, &primary ); if (err != DFB_OK) { DirectFBError( "Failed creating primary surface", err ); buffer->Release( buffer ); dfb->Release( dfb ); return 1; } primary->GetSize( primary, &sx, &sy ); } primary->Clear( primary, 0x0, 0x0, 0x0, 0xFF ); int leftx = sx/10; int topy = sy/10; int rightx = sx*9/10; int bottomy = sy*9/10; int ofs = 10; primary->SetColor( primary,0xFF,0,0,0xFF ); primary->DrawLine( primary,rightx-ofs,bottomy,rightx+ofs,bottomy ); primary->DrawLine( primary,rightx,bottomy-ofs,rightx,bottomy+ofs ); err = primary->Flip( primary, NULL, 0 ); if (err != DFB_OK) { DirectFBError( "Failed flipping the primary surface", err ); primary->Release( primary ); buffer->Release( buffer ); dfb->Release( dfb ); return 1; } int mouse_x=0,mouse_y=0,tx1=0,ty1=0; int touch=0,count=0,color=0; struct timespec rqtp,rmtp; while (!quit) { DFBInputEvent evt; rqtp.tv_nsec = 10000; rqtp.tv_sec = 0; nanosleep( &rqtp,&rmtp ); if (count++ >= 30){ count = 0; color = !color; if (color) primary->SetColor( primary,0x00,0xFF,0,0xFF ); else primary->SetColor( primary,0xFF,0x00,0,0xFF ); switch(touch){ case 0: primary->DrawLine( primary,leftx-ofs,topy,leftx+ofs,topy ); primary->DrawLine( primary,leftx,topy-ofs,leftx,topy+ofs ); break; case 1: primary->DrawLine( primary,rightx-ofs,bottomy,rightx+ofs,bottomy ); primary->DrawLine( primary,rightx,bottomy-ofs,rightx,bottomy+ofs ); break; } primary->Flip( primary, NULL, 0 ); } while (buffer->GetEvent( buffer, DFB_EVENT(&evt) ) == DFB_OK) { if ( evt.type == DIET_AXISMOTION){ if (evt.flags & DIEF_AXISABS) { switch (evt.axis) { case DIAI_X: mouse_x = evt.axisabs; break; case DIAI_Y: mouse_y = evt.axisabs; break; default: break; } } } if ( evt.type == DIET_BUTTONPRESS ){ switch(++touch){ case 1: //save first touchscreen position tx1=mouse_x; ty1=mouse_y; break; case 2://build new calibration values and quit { float dx = ((float)mouse_x-tx1)/(rightx-leftx); float dy = ((float)mouse_y-ty1)/(bottomy-topy); printf( "Insert followed values into source code of penmount's driver\n'inputdrivers/penmount/penmount.c:96,99' and rebuild:\n" ); printf( "min_x=%d min_y=%d\n",(int)(tx1-leftx*dx+.5),(int)(ty1-topy*dy+.5)); printf( "max_x=%d max_y=%d\n",(int)(mouse_x+leftx*dx+.5),(int)(mouse_y+topy*dy+.5)); quit = 1; break; } } } if (evt.type == DIET_KEYPRESS && evt.key_id == DIKI_ESCAPE) quit = 1; } } primary->Release( primary ); buffer->Release( buffer ); dfb->Release( dfb ); return 0; }