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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。
5 c0 i1 ?) p" `$ J& f6 S定义:
# I% H' H6 M4 {: o8 C0 |7 I; t- 1 GND
. q# r: U6 _0 S* ]# `9 T' `0 p - 2 VDD
& Q; h, h0 \2 E! T2 k( ` - 3 VDD- R3 _8 G2 x6 P8 {- X2 c+ C
- 4 GND
4 @' z" F6 T1 q/ X - 5 nBL-AW( D/ Q: S% H8 Q, n
- 6 nBL-AA
9 r, g% P( l0 I: D0 @ - 7 MOSI# |. J- u' q$ z
- 8 RS% n! \$ u1 l' }2 V
- 9 GND
5 S* d) {2 \4 z% L - 10 SCK% k, Y- i4 R; R* B( |
- 11 GND1 `/ ?! ^9 [4 I; M7 ^' C
- 12 nCS
) o( }. r0 Z$ h& L, H3 N - 13 KEY-COM
5 u' y, [$ k4 U. p - 14 KEY1) d6 c' c3 p/ O; A4 q% K
- 15 KEY2* E5 P. `/ d6 p
- 16 KEY3$ M6 N' G6 @: W! h+ v" {0 h6 X0 {5 x
- 17 KEY4. N+ Z3 M0 \2 R6 p' W# N" T- M
- 18 nRST* D/ g9 Z/ h6 m# k
- 19 VCC
) [* R4 F8 d4 [- P7 ^6 I2 f - 20 GND
复制代码
- s* g0 M9 b3 A1 ~初始化序列:6 [. h& v) W7 F0 j1 x0 k
- LCD_WriteCmd(0x2c);9 x0 p8 J: P- W) G) E$ t" D1 [; x; t
- Delayms(200);
! D$ R; Q9 d1 D$ y8 k3 K" t1 { - LCD_WriteCmd(0x2e);
" w, a3 g. z { - Delayms(200);
4 k2 h) ^! f7 [7 {! g - LCD_WriteCmd(0x2f); 4 [) c* ]* K8 I2 u& ]0 s6 s$ W
- Delayms(10);
1 P% k6 o. v. f: ^$ Q, K% C4 z, K$ e' _ - $ U' n. j1 p6 @$ b+ O F
- LCD_WriteCmd(0xae);( W2 G w( d6 T7 T6 q8 R: W& t/ H7 J3 ~. S
- LCD_WriteCmd(0x38);
* w3 e9 |9 n% \: F$ N) m - LCD_WriteCmd(0xb8); 5 X& V2 b5 z; p @" a
- LCD_WriteCmd(0xc0); 7 L9 k' X; e" c. @ B! r# j' V& d
- LCD_WriteCmd(0xa0); ; Q/ b7 H; x. F/ S
( ^3 Q& V7 @5 a& r& U- LCD_WriteCmd(0x44);
' s9 [2 [0 v! F" n G; m+ M - LCD_WriteCmd(0x00);
; L$ |6 W: k; [% W6 g - LCD_WriteCmd(0x40);
4 K1 k+ ~, Q4 O - LCD_WriteCmd(0x00);
$ t0 c! k9 ?9 H2 a - + ~4 \( }; S9 k0 B3 D. ~- N
- LCD_WriteCmd(0xab);
' p$ _; y! x e0 Y - LCD_WriteCmd(0x67);
( h8 j( W8 G+ h" z! y - LCD_WriteCmd(0x24);
% _% ?; n! T: ~. U - LCD_WriteCmd(0x81); 9 z8 B* O7 q, b) M3 V: k* Z
- LCD_WriteCmd(0x36); & u+ s7 |; ^1 }! M% H
- ; k% K8 ]8 U4 p+ y0 i" A' v
- LCD_WriteCmd(0x54);
8 D, N& A/ G4 }$ m# D* j - LCD_WriteCmd(0xf3);4 I8 F) U6 Y5 Y: N1 p: x9 @
- LCD_WriteCmd(0x04); 5 \8 Q9 D# L* T# B9 |% Q
- LCD_WriteCmd(0x93);
. L5 C5 u: o+ j) _; B8 j/ ]- Q, E - 0 B8 P1 M' U1 l& I+ Y2 ]
- LCD_WriteCmd(0xA7);
$ u1 x) d9 `4 d- k5 o6 {- w7 p -
g! |/ A% x5 o% p9 R6 H - LCD_WriteCmd(0xaf);
复制代码
% s, R3 m; M7 A2 N" J2 Y9 f驱动效果:
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