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本帖最后由 nbzwt 于 2017-6-23 22:03 编辑 ' F8 i, B$ u' u' P# B
Q2 Z/ v, U. @% l: m! e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。: d' s) w$ t4 R5 Q% O
定义:
. _2 `( U) i, b9 l, H- 1 GND
: x g3 V3 n: d' _$ X7 \ - 2 VDD
6 A4 L8 k% N6 I3 T3 u7 b: W( S - 3 VDD* P0 j% T* [# k1 r5 C1 ~/ B4 p
- 4 GND$ Q3 S5 c: k8 p L9 h" ^7 U
- 5 nBL-AW1 F# }' W% g: v7 t- M* o: `
- 6 nBL-AA2 |5 N2 W/ @" L5 B- r
- 7 MOSI! t6 C/ ?$ c. z3 ]
- 8 RS' j0 Y5 \- n+ d
- 9 GND
8 Z/ }8 W# @1 u) _ - 10 SCK
! _5 T2 K! ]. `( C/ F/ D - 11 GND
T3 K: G' t+ N# R+ d7 q) a) g9 ? - 12 nCS. d, c$ q9 v. b% l8 Z( e
- 13 KEY-COM
" k8 X; g( i7 k% l% X w' q - 14 KEY1. d& e/ G- w7 D
- 15 KEY2& j$ G( t d# T
- 16 KEY3
! Z' C- ^6 ]. \; g9 k1 n! c' L - 17 KEY4
1 V. e0 |5 L/ T! n, {4 K - 18 nRST6 d, ^+ c& c; b+ Y5 y# V" q( ^+ |
- 19 VCC
0 M, L. W4 {9 p+ U3 u( J( q" ^ - 20 GND
复制代码 , t) O* t" {$ Q
初始化序列: h8 ?" T6 D+ r6 O) h
- LCD_WriteCmd(0x2c);1 u" S8 b$ v: C0 Q" N8 J
- Delayms(200);
6 L- F6 V- A) \( {0 g - LCD_WriteCmd(0x2e); 1 H1 X; Z, ]& G2 @6 i3 u& u
- Delayms(200);. b" V$ D4 O: |$ z
- LCD_WriteCmd(0x2f);
! S8 f! j& I: C: C) x" ]1 [ - Delayms(10);
; R% Q- |; Y) K
6 H4 r1 N# c8 i' T& Z! h4 k' `- LCD_WriteCmd(0xae);: B, S; j" Y7 _8 b
- LCD_WriteCmd(0x38);% ]3 }; Q- d# Y$ U! X2 G
- LCD_WriteCmd(0xb8);
# l {5 q* k6 X0 F7 W - LCD_WriteCmd(0xc0); / O: p8 O' | U4 t0 n
- LCD_WriteCmd(0xa0); & n, X1 B) o% G+ N/ K
- @* a; @2 g; n3 O1 I+ E+ ^/ p# i6 ]7 E
- LCD_WriteCmd(0x44);
4 ?" c$ _2 }! F. l - LCD_WriteCmd(0x00);
9 O4 k4 v# |% N- g1 J - LCD_WriteCmd(0x40); . _0 O, }9 }& a1 f2 i9 g
- LCD_WriteCmd(0x00); ! K" |: u# M+ Z* Y L
- & Q8 a7 }# k0 C, l8 s# n! A1 ~
- LCD_WriteCmd(0xab);# j/ r, G: V+ Q& |2 f5 f
- LCD_WriteCmd(0x67);# ]0 e7 a0 Z$ I+ J) G
- LCD_WriteCmd(0x24);
2 Z6 ~- s% [9 N5 O/ R: I D; Y2 U - LCD_WriteCmd(0x81);
$ n5 A: B3 |$ e5 T( @/ l1 ~ - LCD_WriteCmd(0x36);
+ }6 T# U( m; f6 }" A
+ v8 ]' z4 m' h4 |- LCD_WriteCmd(0x54);
# m1 |6 U1 l) N* g5 T - LCD_WriteCmd(0xf3);. U/ v1 | |% r1 U! M$ u8 l
- LCD_WriteCmd(0x04);
( t% h, b F9 A - LCD_WriteCmd(0x93); & S: I l& F, V+ I$ ~) I1 `' W
- . j5 d9 {) d. _9 I6 h' u) Y
- LCD_WriteCmd(0xA7);
1 e2 S0 {) `/ u+ h1 n1 g) e' t - ' r* }0 L) k0 Z T; U
- LCD_WriteCmd(0xaf);
复制代码 & H* T1 t, u @% L5 V: |
驱动效果:: J1 o0 C1 [) t& Z$ P
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