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本帖最后由 nbzwt 于 2017-6-23 22:03 编辑
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屏幕是120*120的,四级灰度带st7571控制器,橙白双色背光,3线SPI模式,可以改电阻改成4线SPI。/ k% t# |5 Y# E" r& c; ?- J
定义:
# G7 v' G! r1 y- 1 GND
3 ^; Z* U" n1 ]" s3 G Y% l - 2 VDD' R) a; p8 {' n2 W6 X6 j% K
- 3 VDD R, i2 T* p( c- y
- 4 GND
$ c; r* y, @6 K* ~6 O6 C3 b) q - 5 nBL-AW
( Y; W0 T- `6 P5 i& @0 a - 6 nBL-AA
8 v8 M, N9 Q) N7 } - 7 MOSI
, Z' V1 Z. q1 E - 8 RS
; W0 v8 _+ I* W* i+ U% S - 9 GND
6 y$ N7 o. |& ~" E - 10 SCK; H) Y- D- f: s. X6 z
- 11 GND9 G4 c( W8 h v- O5 N" [# E
- 12 nCS
2 m) N( U* g# b - 13 KEY-COM& J7 r5 j" d, @# ~
- 14 KEY1
0 c7 L( e: h1 e' Y/ R - 15 KEY2
+ C$ N- m: E% z( [ - 16 KEY36 ?( K' {( {! A6 P+ L5 Z
- 17 KEY4
9 E* S* _* \. Y4 b+ N/ k) U' U - 18 nRST
5 u& g6 f; M# B- N, P+ f; A# d! @ - 19 VCC" F. U" q* C- r; u
- 20 GND
复制代码 ; @/ |/ p3 q7 g( Y( f4 D( |4 h/ ~
初始化序列:# Y( h4 w: U$ M, q! x( C5 [ w, O
- LCD_WriteCmd(0x2c);
}3 o' |& I* R( j( [0 p$ y2 g - Delayms(200);* }8 r$ z% R& g# E8 T1 [1 `
- LCD_WriteCmd(0x2e);
3 @& c4 u$ H. _: W7 D& t7 i* f - Delayms(200);+ A0 Y- u% E8 x# L- T
- LCD_WriteCmd(0x2f); 2 x8 b' J1 }! d' e
- Delayms(10);* t5 a. W, O6 g7 F
6 N1 a9 c' @% Y2 X+ }4 |" Q( ^6 U- LCD_WriteCmd(0xae);
) I' N; _4 \8 d ~0 J1 M3 l6 D - LCD_WriteCmd(0x38);$ }# _7 a2 `" N8 J! x- ^
- LCD_WriteCmd(0xb8);
$ t6 ^$ R* D$ l, L8 N% Z- D! g - LCD_WriteCmd(0xc0); # _) J# U; E! Y. V2 d: \
- LCD_WriteCmd(0xa0); 3 K" Y* Y0 C# H% f3 q) V, s) J" B3 L% {
- 9 c D; M' z# u. Z
- LCD_WriteCmd(0x44);
" }4 J" Z3 \2 F) A( y' Q - LCD_WriteCmd(0x00);
& V) z9 I) T J4 q5 _ Y8 H - LCD_WriteCmd(0x40); " U. n7 q6 L* b6 z
- LCD_WriteCmd(0x00);
+ }3 H# N ^' z1 z- X& b/ c
- D+ g9 I5 Z' `- o) s9 z7 ^/ n- LCD_WriteCmd(0xab);$ E% Q. J$ ~9 W! ^5 ~
- LCD_WriteCmd(0x67);+ g `# L" c- V: P" j; d
- LCD_WriteCmd(0x24); 5 o/ n) k1 m+ B% \+ n
- LCD_WriteCmd(0x81);
* i7 M+ U7 `3 }& I! T - LCD_WriteCmd(0x36); , ^: V. s2 p, }3 F7 a3 O+ T: F
& g4 D9 f4 V8 R9 G, L) G- LCD_WriteCmd(0x54);5 K2 R9 F2 x; I7 |3 w& k
- LCD_WriteCmd(0xf3);0 i7 i* ]+ ~+ X! {2 t8 P3 O$ j% V
- LCD_WriteCmd(0x04);
" K' [9 Q: ?. \: }8 g/ x' b1 Q$ ? - LCD_WriteCmd(0x93); - _! @, u& ^6 G; W- I$ C) W
- + G) o- `. j7 ~7 Z! y$ ^# a
- LCD_WriteCmd(0xA7);
% o6 y) p4 O! g" k - . \4 K0 j" ]! ]0 x: D. N- j
- LCD_WriteCmd(0xaf);
复制代码
* g$ ` [; a1 x P& H& e6 h驱动效果:' v+ }: O5 t* n) Z( a: g7 d
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