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add graphic device. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1456 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2011-06-06 03:47:56 +00:00
parent db9e590b90
commit 6e88bffff9
1 changed files with 53 additions and 0 deletions
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53
include/rtdef.h
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@ -566,6 +566,7 @@ enum rt_device_class_type
RT_Device_Class_CAN, /**< CAN device */
RT_Device_Class_RTC, /**< RTC device */
RT_Device_Class_Sound, /**< Sound device */
RT_Device_Class_Graphic, /**< Graphic device */
RT_Device_Class_Unknown /**< unknown device */
};
@ -651,6 +652,58 @@ struct rt_device_blk_geometry
rt_uint32_t bytes_per_sector; /**< number of bytes per sector */
rt_uint32_t block_size; /**< size to erase one block */
};
/**
* graphic device control command
*/
#define RTGRAPHIC_CTRL_RECT_UPDATE 0
#define RTGRAPHIC_CTRL_POWERON 1
#define RTGRAPHIC_CTRL_POWEROFF 2
#define RTGRAPHIC_CTRL_GET_INFO 3
#define RTGRAPHIC_CTRL_SET_MODE 4
/* graphic deice */
enum
{
RTGRAPHIC_PIXEL_FORMAT_MONO = 0,
RTGRAPHIC_PIXEL_FORMAT_GRAY4,
RTGRAPHIC_PIXEL_FORMAT_GRAY16,
RTGRAPHIC_PIXEL_FORMAT_RGB332,
RTGRAPHIC_PIXEL_FORMAT_RGB444,
RTGRAPHIC_PIXEL_FORMAT_RGB565,
RTGRAPHIC_PIXEL_FORMAT_RGB565P,
RTGRAPHIC_PIXEL_FORMAT_RGB666,
RTGRAPHIC_PIXEL_FORMAT_RGB888,
RTGRAPHIC_PIXEL_FORMAT_ARGB888
};
/**
* build a pixel position according to (x, y) coordinates.
*/
#define RTGRAPHIC_PIXEL_POSITION(x, y) ((x << 16) | y)
/**
* graphic device information structure
*/
struct rt_device_graphic_info
{
rt_uint8_t pixel_format; /**< graphic format */
rt_uint8_t bits_per_pixel; /**< bits per pixel */
rt_uint16_t reserved; /**< reserved field */
rt_uint16_t width; /**< width of graphic device */
rt_uint16_t height; /**< height of graphic device */
rt_uint8_t *framebuffer; /**< frame buffer */
};
/**
* rectangle information structure
*/
struct rt_device_rect_info
{
rt_uint16_t x, y; /**< x, y coordinate */
rt_uint16_t width, height; /**< width and height */
};
/*@}*/
/**