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本帖最后由 nbzwt 于 2017-6-23 22:03 编辑 - N' x9 V1 E" Y: A+ @, d8 U
" F' z" ?; k0 k; o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。3 Z3 f) K3 x, h& U( {% w
定义:2 x; T# ]# N* G8 C7 E* B6 |* V
- 1 GND9 f/ J% X7 i$ b5 @" Q2 w: H. W
- 2 VDD
! F6 D& `3 |- H7 p! F0 l/ J3 ^ W% G - 3 VDD3 F, u; [' z% {4 _! F+ d
- 4 GND1 L2 S1 j3 p' U9 X( E7 W
- 5 nBL-AW
. ] B( r. u7 G( K - 6 nBL-AA
- q" @5 K$ |6 s* p' u - 7 MOSI
" r# s) M+ l% p; L - 8 RS4 W9 s& X8 F- a- h7 r" L
- 9 GND
1 Y. S* Y5 \; a# ~# M+ } - 10 SCK, I* D, ~, L+ U: a* V1 P
- 11 GND0 |/ ^6 V8 R1 l
- 12 nCS
6 G) { }' n' l# u) C/ D - 13 KEY-COM2 i- `0 a `9 R' Y. I
- 14 KEY1# T5 o; Z6 h6 w
- 15 KEY2
' f& f$ i8 \% H( ]% o" D8 H - 16 KEY3% L5 f$ L" c/ _( ]7 Y; Q
- 17 KEY4% G- ?6 C5 X5 d5 }& P b
- 18 nRST; f/ z$ Q" a9 u3 v w, `& B
- 19 VCC3 F' M/ G5 b! m8 `- k$ Z3 U3 ]) j) a
- 20 GND
复制代码
9 e0 u) o! @5 F/ f初始化序列:
/ _- E, b2 C5 r) e' P0 P- LCD_WriteCmd(0x2c);
( `8 d) e6 x+ A$ j - Delayms(200);
" g) L1 @+ @( [: ^7 }6 l. t1 k4 g0 f - LCD_WriteCmd(0x2e); ' Z R- x2 S0 \6 i1 `, K
- Delayms(200);
- k- I% ?+ }: H3 O - LCD_WriteCmd(0x2f);
3 W: N1 p+ q/ _& `! ~1 ~ - Delayms(10);
/ b" g7 W I' M! L( V# q
! r6 M1 ]* j% L& \- W. s$ X- LCD_WriteCmd(0xae);
# l" M$ S( m1 O! i - LCD_WriteCmd(0x38);2 y4 F1 n# a: K
- LCD_WriteCmd(0xb8); 8 v$ a4 v* @/ B0 ~0 T+ m: p$ `* @
- LCD_WriteCmd(0xc0); 8 `* p$ n4 E5 S) e" s
- LCD_WriteCmd(0xa0); 2 ]9 ~2 y0 {' q3 E H% S) M3 y
- / W4 a1 E! {. P9 J7 n" ~
- LCD_WriteCmd(0x44);' m- L7 y* _ J' P* S
- LCD_WriteCmd(0x00);
" k2 w2 w- I6 G7 i - LCD_WriteCmd(0x40);
" b; [. V+ s* r9 @/ e - LCD_WriteCmd(0x00);
8 e; d9 d" a1 i" ?6 s8 J7 \ - 3 U, x* _ o5 J9 Q; A; ~
- LCD_WriteCmd(0xab);
) G; ? S. j; J - LCD_WriteCmd(0x67);; g- H. W' H7 b9 n. g8 K- t2 F0 C7 K
- LCD_WriteCmd(0x24);
5 z( H" i3 r$ W' ]$ c - LCD_WriteCmd(0x81); 6 V6 v% _. ?0 b0 E _
- LCD_WriteCmd(0x36);
3 u* X, S' w6 s; Y9 R - 9 I/ ^* J0 G* N1 x: N/ N
- LCD_WriteCmd(0x54);
* S, H" }# e7 r! T7 p$ ~5 ^ - LCD_WriteCmd(0xf3);
8 K) v2 Y: F# K - LCD_WriteCmd(0x04);
2 C7 U+ N" |5 |4 l& I - LCD_WriteCmd(0x93); 2 X! B' r! [# y4 i5 m; D2 r9 q$ I
- : s9 u* h1 n7 E
- LCD_WriteCmd(0xA7);
8 E! o. I' [# ]% Q( Q8 f - " n, `# f! x* Z+ W R
- LCD_WriteCmd(0xaf);
复制代码 + h3 n! S$ W; Y! Q) p+ ~
驱动效果:
6 k, p Z4 G0 |# f7 p# W, \6 U
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