參數(shù)資料
型號: MAX4455
廠商: Maxim Integrated Products, Inc.
英文描述: Triple Differential Transceivers 20-SOIC -40 to 85
中文描述: 任意圖形隨屏顯示視頻發(fā)生器
文件頁數(shù): 24/30頁
文件大?。?/td> 663K
代理商: MAX4455
M
Arbitrary Graphics On-Screen Display
Video Generator
24
______________________________________________________________________________________
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// Example code: Drawing a horizontal line.
// External definitions required for:
// Read_Register
// Write_Register
//---------------------------------------------------------------------------
// Drawing primitives for On-Screen Display memory
// Draw a line in the OSDEVKIT's display memory.
void
osd_hline
(int
ch_base
,
int
xleft
,
int
xright
,
int
y
)
{
// In the STATUS register, set HINC=1 and clear VINC=0
unsigned
__int8 status
=
Read_Register
(
ch_base
|
ch_STATUS
);
status
&=~
ch_STATUS_VINC
;
status
|=
ch_STATUS_HINC
;
Write_Register
(
ch_base
|
ch_STATUS
,
status
);
unsigned
char
linel
=
y
&
0xff
;
unsigned
char
lineh
=
(
y
&
0x100
)
>>
8
;
Write_Register
(
ch_base
|
ch_QPLINEH
,
lineh
);
Write_Register
(
ch_base
|
ch_QPLINEL
,
linel
);
unsigned
char
horiz
=
(int)
(
floor
(
xleft
/
4.0
+
0.5
))
&
0xff
;
Write_Register
(
ch_base
|
ch_QPHORIZ
,
horiz
);
int
width
=
xright
-
xleft
;
width
=
(int)
(
floor
(
width
/
4.0
+
0.5
));
while(
width
--
>
0
)
{
// Under Windows, be a good citizen and service the message quque.
Application
->
ProcessMessages
();
if
(
Application
->
Terminated
)
break;
Write_Register
(
ch_base
|
ch_COMMAND
,
ch_COMMAND_WRITE
);
}
}
Listing 3. Horizontal Line Draw
相關(guān)PDF資料
PDF描述
MAX4455ECQ Triple Differential Transceivers 20-SOIC -40 to 85
MAX445CPG Triple Differential Transceivers 20-SSOP -40 to 85
MAX4504EPA Low-Voltage, Dual-Supply, SPST, CMOS Analog Switches
MAX4504ESA Low-Voltage, Dual-Supply, SPST, CMOS Analog Switches
MAX4504EUK Low-Voltage, Dual-Supply, SPST, CMOS Analog Switches
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