Differences

This shows you the differences between two versions of the page.

--- test_application [2017/08/23 15:48]
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	<stdint.h>
-  #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 */
-  #include	"drm.h"	/* /home/stephanos/VI/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf/arm-linux-gnueabihf/libc/usr/include/drm -> check Makefile */
-  #include	"drm_mode.h"
-  #define	DEFAULT_FRAME_BUFFER_FILE	"/dev/fb0"
-  #define	DEV_LCD_DRM					"/dev/dri/card0"
-  #define	MAXIMUM_NUMBER_OF_CONNECTORS				10
-  #define	MAXIMUM_NUMBER_OF_CONNECTOR_RESOURCE_BUFFER	20
-  typedef	struct
-  {
-  	void *		pBuffer;
-  	uint32_t	ByteSizeOfBuffer;
-  	uint32_t	ScreenWidth;
-  	uint32_t	ScreenHeight;
-  } FrameBuffer_t;
-  typedef	struct
-  {
-  	uint64_t	pFB_ID[MAXIMUM_NUMBER_OF_CONNECTORS];
-  	uint64_t	pCRTC_ID[MAXIMUM_NUMBER_OF_CONNECTORS];
-  	uint64_t	pCONNECTOR_ID[MAXIMUM_NUMBER_OF_CONNECTORS];
-  	uint64_t	pENCODER_ID[MAXIMUM_NUMBER_OF_CONNECTORS];
-  } DRMResourceBuffer_t;
-  typedef	struct
-  {
-  	struct	drm_mode_modeinfo	pMode[MAXIMUM_NUMBER_OF_CONNECTOR_RESOURCE_BUFFER];
-  	uint64_t					pProps[MAXIMUM_NUMBER_OF_CONNECTOR_RESOURCE_BUFFER];
-  	uint64_t					PPropValue[MAXIMUM_NUMBER_OF_CONNECTOR_RESOURCE_BUFFER];
-  	uint64_t					pEncoder[MAXIMUM_NUMBER_OF_CONNECTOR_RESOURCE_BUFFER];
-  } DRMConnectorResourceBuffer_t;
-  typedef	struct
-  {
-  	struct	drm_mode_create_dumb	Create;
-  	struct	drm_mode_map_dumb		Map;
-  	struct	drm_mode_fb_cmd			Cmd;
-  } DRMdumbBuffer_t;
-  typedef	struct
-  {
-  	int							Device;
-  	void *						pFrameBuffer;
-  	struct	fb_var_screeninfo	var;
-  	struct	fb_fix_screeninfo	fix;
-  } FrameBufferContext_t;
-  void	drm_draw_pixel(	FrameBuffer_t *pFrameBuffer,
-  						uint32_t X,
-  						uint32_t Y,
-  						uint32_t Color/*(b << 16) | (g << 8) | (r << 0)*/)
-  {
-  	if ( pFrameBuffer != (FrameBuffer_t *)0 )
-  	{
-  		if ((pFrameBuffer->ScreenWidth > X)
-  		 &&	(pFrameBuffer->ScreenHeight > Y))
-  		{
-  			*(((uint32_t*)pFrameBuffer->pBuffer ) + Y * pFrameBuffer->ScreenWidth + X) = Color;
-  		}
-  	}
-  }
-  void	drm_draw_test_pattern(FrameBuffer_t *pFrameBuffer)
-  {
-  	uint32_t	x;
-  	uint32_t	y;
-  	uint32_t	h;
-  	uint32_t	w;
-  	h = pFrameBuffer->ScreenHeight;
-  	w = pFrameBuffer->ScreenWidth;
-  	for (y = 0; y < h; y++)
-  	{
-  		for (x = 0; x < w; x++)
-  		{
-  			if (x < 20 && y < 20)
-  			{
-  				drm_draw_pixel(pFrameBuffer, x, y, 0xffffff);
-  			}
-  			else if (x < 20 && (y > 20 && y < h - 20))
-  			{
-  				drm_draw_pixel(pFrameBuffer, x, y, 0xff);
-  			}
-  			else if (y < 20 && (x > 20 && x < w - 20))
-  			{
-  				drm_draw_pixel(pFrameBuffer, x, y, 0xff00);
-  			}
-  			else if (x > w - 20 && (y > 20 && y < h - 20))
-  			{
-  				drm_draw_pixel(pFrameBuffer, x, y, 0xff0000);
-  			}
-  			else if (y > h - 20 && (x > 20 && x < w - 20))
-  			{
-  				drm_draw_pixel(pFrameBuffer, x, y, 0xffff00);
-  			}
-  			else if (x == 20 || x == w - 20 ||
-  					y == 20 || y == h - 20)
-  			{
-  				drm_draw_pixel(pFrameBuffer, x, y, 0xffffff);
-  			}
-  			else if (x == y || w - x == h - y)
-  			{
-  				drm_draw_pixel(pFrameBuffer, x, y, 0xff00ff);
-  			}
-  			else if (w - x == y || x == h - y)
-  			{
-  				drm_draw_pixel(pFrameBuffer, 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 (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);
-  				drm_draw_pixel(pFrameBuffer, x, y, c);
-  			}
-  			else
-  			{
-  				drm_draw_pixel(pFrameBuffer, x, y, 0);
-  			}
-  		}
-  	}
-  }
-  void	drm_fill_screen(FrameBuffer_t *pFrameBuffer,
-  						uint32_t Color/*(b << 16) | (g << 8) | (r << 0)*/)
-  {
-  	uint32_t	X;
-  	uint32_t	Y;
-  	if ( pFrameBuffer != (FrameBuffer_t *)0 )
-  	{
-  		for (Y = 0; Y < pFrameBuffer->ScreenHeight; Y++)
-  		{
-  			for (X = 0; X < pFrameBuffer->ScreenWidth; X++)
-  			{
-  				*(((uint32_t*)pFrameBuffer->pBuffer ) + Y * pFrameBuffer->ScreenWidth + X) = Color;
-  			}
-  		}
-  	}
-  }
-  void	fb_draw_pixel(	FrameBufferContext_t *pFrameBufferContext,
-  					uint32_t X,
-  					uint32_t Y,
-  					uint32_t 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
-  	{
-  		uint32_t *		p;
-  		pFrameBuffer += pFrameBufferContext->fix.line_length * Y;
-  		p = pFrameBuffer;
-  		p += X;
-  		*p = Color;
-  	}
-  }
-  void	fill_screen(FrameBufferContext_t *pFrameBufferContext)
-  {
-  	uint32_t	x;
-  	uint32_t	y;
-  	uint32_t	h;
-  	uint32_t	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)
-  			{
-  				fb_draw_pixel(pFrameBufferContext, x, y, 0xffffff);
-  			}
-  			else if (x < 20 && (y > 20 && y < h - 20))
-  			{
-  				fb_draw_pixel(pFrameBufferContext, x, y, 0xff);
-  			}
-  			else if (y < 20 && (x > 20 && x < w - 20))
-  			{
-  				fb_draw_pixel(pFrameBufferContext, x, y, 0xff00);
-  			}
-  			else if (x > w - 20 && (y > 20 && y < h - 20))
-  			{
-  				fb_draw_pixel(pFrameBufferContext, x, y, 0xff0000);
-  			}
-  			else if (y > h - 20 && (x > 20 && x < w - 20))
-  			{
-  				fb_draw_pixel(pFrameBufferContext, x, y, 0xffff00);
-  			}
-  			else if (x == 20 || x == w - 20 ||
-  					y == 20 || y == h - 20)
-  			{
-  				fb_draw_pixel(pFrameBufferContext, x, y, 0xffffff);
-  			}
-  			else if (x == y || w - x == h - y)
-  			{
-  				fb_draw_pixel(pFrameBufferContext, x, y, 0xff00ff);
-  			}
-  			else if (w - x == y || x == h - y)
-  			{
-  				fb_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);
-  				fb_draw_pixel(pFrameBufferContext, x, y, c);
-  			}
-  			else
-  			{
-  				fb_draw_pixel(pFrameBufferContext, x, y, 0);
-  			}
-  		}
-  	}
-  }
-  void	clear_area(	FrameBufferContext_t *pFrameBufferContext,
-  					uint32_t X,
-  					uint32_t Y,
-  					uint32_t W,
-  					uint32_t H)
-  {
-  	uint32_t	AddressOffsetForH;
-  	uint32_t	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;
-  }
-  static	int	test_simple_fb_style(void)
-  {
-  	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;
-  }
-  static	int	drm_open(void)
-  {
-  	int			Device;
-  	int			Flags;
-  	uint64_t	HasDumbBuffer;
-  	Device = -1;
-  	if ( access(DEV_LCD_DRM, F_OK) )
-  	{
-  		printf("no device - %s\n", DEV_LCD_DRM);
-  		return	0;
-  	}
-  	if ( (Device = open(DEV_LCD_DRM, O_RDWR)) <= 0 )
-  	{
-  		printf("Faile to open : %s \n", DEV_LCD_DRM);
-  		return	0;
-  	}
-  	//	set FD_CLOEXEC flag
-  	Flags = fcntl(Device, F_GETFD);
-  	if (Flags < 0)
-  	{
-  		printf("Faile to read Flags \n");
-  		close(Device);
-  		return	0;
-  	}
-  	if ( fcntl(Device, F_SETFD, Flags | FD_CLOEXEC) < 0 )
-  	{
-  		printf("Faile to set Falsgs FD_CLOEXEC \n");
-  		close(Device);
-  		return	0;
-  	}
-  	return	Device;
-  }
-  static	int	drm_get_frame_buffer(FrameBuffer_t *pFrameBuffer,
-  								int Device,
-  								uint64_t * pConnectorID)
-  {
-  	struct	drm_mode_get_connector	ConnectorResource = {0};
-  	DRMConnectorResourceBuffer_t	DRMConnectorResourceBuffer = {0};
-  	DRMdumbBuffer_t					DRMdumbBuffer = {0};
-  	struct	drm_mode_get_encoder	Encoder = {0};
-  	struct	drm_mode_crtc			CRTC = {0};
-  	if ((pFrameBuffer != (FrameBuffer_t *)0)
-  	 &&	(pConnectorID != (uint64_t * )0) )
-  	{
-  		//	get connector resource counts
-  		ConnectorResource.connector_id = *pConnectorID;
-  		ioctl(Device, DRM_IOCTL_MODE_GETCONNECTOR, &ConnectorResource);
-  		//	get connector resources
-  		ConnectorResource.modes_ptr = (uint64_t)DRMConnectorResourceBuffer.pMode;
-  		ConnectorResource.props_ptr = (uint64_t)DRMConnectorResourceBuffer.pProps;
-  		ConnectorResource.prop_values_ptr = (uint64_t)DRMConnectorResourceBuffer.PPropValue;
-  		ConnectorResource.encoders_ptr = (uint64_t)DRMConnectorResourceBuffer.pEncoder;
-  		ioctl(Device, DRM_IOCTL_MODE_GETCONNECTOR, &ConnectorResource);
-  		//	Check if the connector is OK to use (connected to something)
-  		if ((ConnectorResource.count_encoders > 0)
-  		 &&	(ConnectorResource.count_modes > 0)
-  		 && (ConnectorResource.encoder_id != 0)
-  		 && (ConnectorResource.connection != 0)	)
-  		{
-  			//	Creating a dumb buffer
-  			//	If we create the buffer later, we can get the size of the screen first.
-  			//	This must be a valid mode, so it's probably best to do this after we find a valid crtc with modes.
-  			DRMdumbBuffer.Create.width = DRMConnectorResourceBuffer.pMode[0].hdisplay;
-  			DRMdumbBuffer.Create.height = DRMConnectorResourceBuffer.pMode[0].vdisplay;
-  			DRMdumbBuffer.Create.bpp = 32;
-  			DRMdumbBuffer.Create.flags = 0;	/* must be zero */
-  			DRMdumbBuffer.Create.pitch = 0;
-  			DRMdumbBuffer.Create.size = 0;
-  			DRMdumbBuffer.Create.handle = 0;
-  			if(ioctl(Device, DRM_IOCTL_MODE_CREATE_DUMB, &DRMdumbBuffer.Create) < 0)
-  			{
-  				printf("Fail to create dumb buffer\n");
-  			};
-  			DRMdumbBuffer.Cmd.width=DRMdumbBuffer.Create.width;
-  			DRMdumbBuffer.Cmd.height=DRMdumbBuffer.Create.height;
-  			DRMdumbBuffer.Cmd.bpp=DRMdumbBuffer.Create.bpp;
-  			DRMdumbBuffer.Cmd.pitch=DRMdumbBuffer.Create.pitch;
-  			DRMdumbBuffer.Cmd.depth=24;
-  			DRMdumbBuffer.Cmd.handle=DRMdumbBuffer.Create.handle;
-  			ioctl(Device,DRM_IOCTL_MODE_ADDFB,&DRMdumbBuffer.Cmd);
-  			DRMdumbBuffer.Map.handle=DRMdumbBuffer.Create.handle;
-  			ioctl(Device,DRM_IOCTL_MODE_MAP_DUMB,&DRMdumbBuffer.Map);
-  			pFrameBuffer->pBuffer = mmap(0, DRMdumbBuffer.Create.size, PROT_READ | PROT_WRITE, MAP_SHARED, Device, DRMdumbBuffer.Map.offset);
-  			pFrameBuffer->ByteSizeOfBuffer = DRMdumbBuffer.Create.size;
-  			pFrameBuffer->ScreenWidth = DRMdumbBuffer.Create.width;
-  			pFrameBuffer->ScreenHeight = DRMdumbBuffer.Create.height;
-  //		drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &dreq);
-  			//	Kernel Mode Setting (KMS)
-  			printf("Connection %d : mode: %d, prop: %d, enc: %d\n",
-  					ConnectorResource.connection,
-  					ConnectorResource.count_modes,
-  					ConnectorResource.count_props,
-  					ConnectorResource.count_encoders);
-  			printf("modes: %dx%d Frame Buffer Address: 0x%X Frame Buffer Byte Size: 0x%X(%d) \n",
-  					DRMConnectorResourceBuffer.pMode[0].hdisplay,
-  					DRMConnectorResourceBuffer.pMode[0].vdisplay,
-  					pFrameBuffer->pBuffer,
-  					pFrameBuffer->ByteSizeOfBuffer, pFrameBuffer->ByteSizeOfBuffer);
-  			//	get encoder
-  			Encoder.encoder_id = ConnectorResource.encoder_id;
-  			ioctl(Device, DRM_IOCTL_MODE_GETENCODER, &Encoder);
-  			CRTC.crtc_id = Encoder.crtc_id;
-  			ioctl(Device, DRM_IOCTL_MODE_GETCRTC, &CRTC);
-  			CRTC.fb_id = DRMdumbBuffer.Cmd.fb_id;
-  			CRTC.set_connectors_ptr = (uint64_t)pConnectorID;
-  			CRTC.count_connectors = 1;
-  			CRTC.mode = DRMConnectorResourceBuffer.pMode[0];
-  			CRTC.mode_valid = 1;
-  			ioctl(Device, DRM_IOCTL_MODE_SETCRTC, &CRTC);
-  			return	0;
-  		}
-  		else
-  		{
-  			printf("Not connected\n");
-  		}
-  	}
-  	return	-1;
-  }
-  static	int	drm_free_frame_buffer(FrameBuffer_t *pFrameBuffer)
-  {
-  	if (pFrameBuffer != (FrameBuffer_t *)0)
-  	{
-  		if (pFrameBuffer->ByteSizeOfBuffer != 0)
-  		{
-  			munmap(	pFrameBuffer->pBuffer, pFrameBuffer->ByteSizeOfBuffer );
-  			printf("Free Frame Buffer\n");
-  			return	0;
-  		}
-  	}
-  	return	-1;
-  }
-  static	int	test_drm_style(void)
-  {
-  	int							Device;
-  	uint32_t					ConnectorIndex;
-  	uint32_t					Color;
-  	struct	drm_mode_card_res	Resource = {0};
-  	DRMResourceBuffer_t			DRMResourceBuffer = {0};
-  	Device = drm_open();
-  	if ( Device != 0 )
-  	{
-  		FrameBuffer_t	pFrameBuffer[MAXIMUM_NUMBER_OF_CONNECTORS];
-  		printf("DRM opened !\n");
-  		//	Kernel Mode Setting (KMS)
-  		//	Become the "master" of the DRI device
-  		ioctl(Device, DRM_IOCTL_SET_MASTER, 0);
-  		printf("DRM DRM_IOCTL_SET_MASTER\n");
-  		//	Get resource counts
-  		ioctl(Device, DRM_IOCTL_MODE_GETRESOURCES, &Resource);
-  		Resource.fb_id_ptr = (uint64_t)DRMResourceBuffer.pFB_ID;
-  		Resource.crtc_id_ptr = (uint64_t)DRMResourceBuffer.pCRTC_ID;
-  		Resource.connector_id_ptr = (uint64_t)DRMResourceBuffer.pCONNECTOR_ID;
-  		Resource.encoder_id_ptr = (uint64_t)DRMResourceBuffer.pENCODER_ID;
-  		//	Get resource IDs
-  		ioctl(Device, DRM_IOCTL_MODE_GETRESOURCES, &Resource);
-  		printf("Get Resource ID fb: %d, crtc: %d, conn: %d, enc: %d\n",
-  				Resource.count_fbs,
-  				Resource.count_crtcs,
-  				Resource.count_connectors,
-  				Resource.count_encoders);
-  		//	Loop though all available connectors
-  		for (ConnectorIndex = 0; ConnectorIndex < Resource.count_connectors; ConnectorIndex++)
-  		{
-  			drm_get_frame_buffer(&pFrameBuffer[ConnectorIndex], Device, &DRMResourceBuffer.pCONNECTOR_ID[ConnectorIndex]);
-  		}
-  		//	Stop being the "master" of the DRI device
-  		ioctl(Device, DRM_IOCTL_DROP_MASTER, 0);
-  		printf("DRM DRM_IOCTL_DROP_MASTER\n");
-  		int	j;
-  		for (j = 0; j < 100; j++)
-  		{
-  			for (ConnectorIndex = 0; ConnectorIndex < Resource.count_connectors; ConnectorIndex++)
-  			{
-  				drm_fill_screen(&pFrameBuffer[ConnectorIndex], 0x00000000);
-  				usleep(100000);
-  				Color = (rand() % 0x00ffffff) & 0x00ff00ff;
-  				drm_fill_screen(&pFrameBuffer[ConnectorIndex], Color);
-  				usleep(100000);
-  				for (uint32_t k = 0; k <255; k++)
-  				{
-  					drm_fill_screen(&pFrameBuffer[ConnectorIndex], (Color | (k << 24)));
-  				}
-  				drm_draw_test_pattern(&pFrameBuffer[ConnectorIndex]);
-  				usleep(100000);
-  			}
-  		}
-  //DRM_IOCTL_MODE_DESTROY_DUMB
-  		for (ConnectorIndex = 0; ConnectorIndex < Resource.count_connectors; ConnectorIndex++)
-  		{
-  			drm_free_frame_buffer(&pFrameBuffer[ConnectorIndex]);
-  		}
-  		close(Device);
-  		printf("DRM closed !\n");
-  	}
-  }
-  int	main()
-  {
-  	printf("Test Symple FB Style\n");
-  	test_simple_fb_style();
-  	printf("Test DRM Style\n");
-  	test_drm_style();
-  	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 -I$/home/stephanos/VI/gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf/arm-linux-gnueabihf/libc/usr/include/drm -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]]

DokuWiki

Site Tools

Differences

Page Tools