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--- test_application [2017/08/13 01:10]
1.241.172.144
+++ test_application [2017/09/12 21:23] (current)
1.241.172.144
@@ Line 2: / Line 2: @@
 ===== LCD Test Application =====
-Souce Code는 다음과 같다.
+[[DirectFB App]]
-  #include	<stdio.h>
+[[SDL App]]
-  #include	<string.h>	/* for memset */
-  #include	<unistd.h>	/* for open/close .. */
-  #include	<fcntl.h>	/* for O_RDWR */
-  #include	<sys/ioctl.h>	/* for ioctl */
-  #include	<sys/mman.h>	/* for mmap */
-  #include	<linux/fb.h>	/* for fb_var_screeninfo, FBIOGET_VSCREENINFO */
-  #define	DEFAULT_FRAME_BUFFER_FILE "/dev/fb0"
-  typedef	struct
-  {
-  	int				Device;
-    	void *				pFrameBuffer;
-    	struct	fb_var_screeninfo	var;
-  	struct	fb_fix_screeninfo	fix;
-  } FrameBufferContext_t;
-  void	draw_pixel(	FrameBufferContext_t *pFrameBufferContext,
-  			unsigned long X,
-  			unsigned long Y,
-  			unsigned long Color)
-  {
-  	void *	pFrameBuffer;
-  	pFrameBuffer = pFrameBufferContext->pFrameBuffer;
-  	if (pFrameBufferContext->var.bits_per_pixel == 8)
-  	{
-  		unsigned char *		p;
-  		pFrameBuffer += pFrameBufferContext->fix.line_length * Y;
-  		p = pFrameBuffer;
-  		p += X;
-  		*p = (unsigned char)Color;
-  	}
-  	else if (pFrameBufferContext->var.bits_per_pixel == 16)
-  	{
-  		unsigned short *	p;
-  		pFrameBuffer += pFrameBufferContext->fix.line_length * Y;
-  		p = pFrameBuffer;
-  		p += X;
-  		*p = (unsigned short)(((((Color >> 16) & 0xff) * 32 / 256) << 11) | ((((Color >> 8) & 0xff) * 64 / 256) << 5) | ((((Color >> 0) & 0xff) * 32 / 256) << 0));
-  	}
-  	else if (pFrameBufferContext->var.bits_per_pixel == 24)
-  	{
-  		unsigned char *		p;
-  		p = (unsigned char *)pFrameBuffer + pFrameBufferContext->fix.line_length * Y + 3 * X;
-  		*p++ = (unsigned char)Color;
-  		*p++ = (unsigned char)(Color >> 8);
-  		*p = (unsigned char)(Color >> 16);
-  	}
-  	else
-  	{
-  		unsigned long *		p;
-  		pFrameBuffer += pFrameBufferContext->fix.line_length * Y;
-  		p = pFrameBuffer;
-  		p += X;
-  		*p = Color;
-  	}
-  }
-  void	fill_screen(FrameBufferContext_t *pFrameBufferContext)
-  {
-  	unsigned long	x;
-  	unsigned long	y;
-  	unsigned long	h;
-  	unsigned long	w;
-  	h = pFrameBufferContext->var.yres;
-  	w = pFrameBufferContext->var.xres;
-  	for (y = 0; y < h; y++)
-  	{
-  		for (x = 0; x < w; x++)
-  		{
-  			if (x < 20 && y < 20)
-  			{
-  				draw_pixel(pFrameBufferContext, x, y, 0xffffff);
-  			}
-  			else if (x < 20 && (y > 20 && y < h - 20))
-  			{
-  				draw_pixel(pFrameBufferContext, x, y, 0xff);
-  			}
-  			else if (y < 20 && (x > 20 && x < w - 20))
-  			{
-  				draw_pixel(pFrameBufferContext, x, y, 0xff00);
-  			}
-  			else if (x > w - 20 && (y > 20 && y < h - 20))
-  			{
-  				draw_pixel(pFrameBufferContext, x, y, 0xff0000);
-  			}
-  			else if (y > h - 20 && (x > 20 && x < w - 20))
-  			{
-  				draw_pixel(pFrameBufferContext, x, y, 0xffff00);
-  			}
-  			else if (x == 20 || x == w - 20 ||
-  					y == 20 || y == h - 20)
-  			{
-  				draw_pixel(pFrameBufferContext, x, y, 0xffffff);
-  			}
-  			else if (x == y || w - x == h - y)
-  			{
-  				draw_pixel(pFrameBufferContext, x, y, 0xff00ff);
-  			}
-  			else if (w - x == y || x == h - y)
-  			{
-  				draw_pixel(pFrameBufferContext, x, y, 0x00ffff);
-  			}
-  			else if (x > 20 && y > 20 && x < w - 20 && y < h - 20)
-  			{
-  				int t = x * 3 / w;
-  				unsigned r = 0, g = 0, b = 0;
-  				unsigned c;
-  				if (pFrameBufferContext->var.bits_per_pixel == 16)
-  				{
-  					if (t == 0)
-  					{
-  						b = (y % 32) * 256 / 32;
-  					}
-  					else if (t == 1)
-  					{
-  						g = (y % 64) * 256 / 64;
-  					}
-  					else if (t == 2)
-  					{
-  						r = (y % 32) * 256 / 32;
-  					}
-  				}
-  				else
-  				{
-  					if (t == 0)
-  					{
-  						b = (y % 256);
-  					}
-  					else if (t == 1)
-  					{
-  						g = (y % 256);
-  					}
-  					else if (t == 2)
-  					{
-  						r = (y % 256);
-  					}
-  				}
-  				c = (b << 16) | (g << 8) | (r << 0);
-  				draw_pixel(pFrameBufferContext, x, y, c);
-  			}
-  			else
-  			{
-  				draw_pixel(pFrameBufferContext, x, y, 0);
-  			}
-  		}
-  	}
-  }
-  void	clear_area(	FrameBufferContext_t *pFrameBufferContext,
-  			unsigned long X,
-  			unsigned long Y,
-  			unsigned long W,
-  			unsigned long H)
-  {
-  	unsigned long	AddressOffsetForH;
-  	unsigned long	CountForH;
-  	unsigned char *	pFrameBuffer;
-  	pFrameBuffer = (unsigned char *)pFrameBufferContext->pFrameBuffer;
-  	for (CountForH = 0; CountForH < H; CountForH++)
-  	{
-  		AddressOffsetForH = (X + pFrameBufferContext->var.xoffset) * (pFrameBufferContext->var.bits_per_pixel / 8) + (Y + CountForH + pFrameBufferContext->var.yoffset) * pFrameBufferContext->fix.line_length;
-  		memset(pFrameBuffer + AddressOffsetForH, 0, W * pFrameBufferContext->var.bits_per_pixel / 8);
-  	}
-  }
-  int	device_open_mode(FrameBufferContext_t *pFrameBufferContext, int BitPerPixel)
-  {
-  	pFrameBufferContext->Device = open(DEFAULT_FRAME_BUFFER_FILE, O_RDWR);
-  	if(pFrameBufferContext->Device < 0)
-  	{
-  		printf("Faile to open : %s \n", DEFAULT_FRAME_BUFFER_FILE);
-  		return	-1;
-  	}
-  	if(ioctl(pFrameBufferContext->Device, FBIOGET_VSCREENINFO, &pFrameBufferContext->var) < 0)
-  	{
-  		printf("fbdev ioctl(VSCREENINFO)\n");
-  		close(pFrameBufferContext->Device);
-  		return	-1;
-  	}
-  	if(ioctl(pFrameBufferContext->Device, FBIOGET_FSCREENINFO, &pFrameBufferContext->fix) < 0)
-  	{
-  		printf("fbdev ioctl(FSCREENINFO)\n");
-  		close(pFrameBufferContext->Device);
-  		return	-1;
-  	}
-  	if(pFrameBufferContext->var.bits_per_pixel != BitPerPixel)
-  	{
-  		pFrameBufferContext->var.bits_per_pixel = BitPerPixel;
-  		if(ioctl(pFrameBufferContext->Device, FBIOPUT_VSCREENINFO, &pFrameBufferContext->var) < 0)
-  		{
-  			printf("fbdev ioctl(PUT)\n");
-  			close(pFrameBufferContext->Device);
-  			return	-1;
-  		}
-  	}
-  	return	0;
-  }
-  int	device_open(FrameBufferContext_t *pFrameBufferContext)
-  {
-  	if(device_open_mode(pFrameBufferContext, 8) != 0)
-  	{
-  		printf("Faile to open with 8bit: %s \n", DEFAULT_FRAME_BUFFER_FILE);
-  		return	-1;
-  	}
-  	close(pFrameBufferContext->Device);
-  	if(device_open_mode(pFrameBufferContext, 24) != 0)
-  	{
-  		printf("Faile to open with 24bit: %s \n", DEFAULT_FRAME_BUFFER_FILE);
-  		return	-1;
-  	}
-  	printf("x-resolution : %d\n", pFrameBufferContext->var.xres);
-  	printf("y-resolution : %d\n", pFrameBufferContext->var.yres);
-  	printf("x-resolution(virtual) : %d\n", pFrameBufferContext->var.xres_virtual);
-  	printf("y-resolution(virtual) : %d\n", pFrameBufferContext->var.yres_virtual);
-  	printf("bpp : %d\n", pFrameBufferContext->var.bits_per_pixel);
-  	printf("length of frame buffer memory : %d\n", pFrameBufferContext->fix.smem_len);
-  	return	0;
-  }
-  int	main()
-  {
-  	FrameBufferContext_t	FrameBufferContext;
-  	int			Error;
-  	printf("Opening frame buffer device `%s'\n", DEFAULT_FRAME_BUFFER_FILE);
-  	if(device_open(&FrameBufferContext) != 0)
-  	{
-  		printf("Fail to Device Open\n");
-  		return	0;
-  	}
-  	FrameBufferContext.pFrameBuffer = mmap(0,
-  			FrameBufferContext.var.yres_virtual * FrameBufferContext.fix.line_length,
-  			PROT_WRITE | PROT_READ,
-  			MAP_SHARED,
-  			FrameBufferContext.Device,
-);
-  	if(FrameBufferContext.pFrameBuffer == MAP_FAILED)
-  	{
-  		printf("Frame buffer MAP fail !\n");
-  		close(FrameBufferContext.Device);
-  		return	0;
-  	}
-  /* Display pattern to screen */
-  	fill_screen(&FrameBufferContext);
-  /* End of... */
-  	munmap(	FrameBufferContext.pFrameBuffer,
-  			FrameBufferContext.var.yres_virtual * FrameBufferContext.fix.line_length);
-  	close(FrameBufferContext.Device);
-  	return	0;
-  }
-{{wiki:atmel_sama5d42:test_app:test_app_002.zip}}
+[[DRM or Simple FB App]]
-아래와 같이 컴파일 한다.
-  stephanos@stephanos-VirtualBox:~/VI/App$ /home/stephanos/VI/gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-gcc -o test test.c
-{{wiki:atmel_sama5d42:test_app:test_app_000.jpg}}
-NFS에 위에서 만들어진 test를 복사한다.
-Target Board를 NFS로 부팅한다.
-로그인 후 아래와 같이 실행한다.
-{{wiki:atmel_sama5d42:test_app:test_app_001.jpg}}\\
-{{wiki:atmel_sama5d42:test_app:test_app_003.jpg}}
+{{wiki:atmel_sama5d42:test_app:TestApp.tar}}
+{{wiki:atmel_sama5d42:test_app:rootfs-2017-09-01.tar}}
+[[MSR Test]]

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