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拆了一个雷达小显示盒，里面使用的TM1723芯片驱动段码屏，拿来练练手，使用STM32F103RTB6驱动。: F. R- f6 O) u. L2 j //TM1723.C #include "config.h"" e/ G8 Q, `3 S3 x2 Z6 @: d const u8 dispdat[]={0xd7,0x06,0xe3,0xa7,0x36,0xb5,0xf5,0x07,0xf7,0xb7}; ( P3 Z4 H H; F! p" ]/ @' ?1 x //TM1723初始化 void Init_TM1723(void), F( I; ]3 s3 H: O {: x% h) n2 F9 ~, v8 v5 a GPIO_InitTypeDef GPIO_InitStructure;; x- z h7 B9 ^( l; }! u0 E RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; ! ?+ ~2 A( l$ O& n* ?# s7 Y4 R) S GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; / G; u+ e# _" a, p7 a( i. W GPIO_Init(GPIOA, &GPIO_InitStructure); 2 I6 D2 T6 [/ e, g GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3); , ~ ^8 Z* b' I8 @ } 7 ]9 r, S$ b1 N y& ` 5 \& n& }' t* n7 m6 T& K6 Z5 z //延时7 O) S5 |& t. G2 R. }% w void TM1723_Delayus(u32 ys) { u8 i; u32 j; for(j=0;j<ys;j++) { for(i=0;i<5;i++); //´óÔ¼1us$ o/ s) G7 Q& {: r } n' [) ]! F2 }; ]) o- U }* W) Y# A! t6 x- |/ w //TM1723写字节 void TM1723_WriteByte(u8 dat)2 c8 B7 j6 |7 l' o) C { u8 i;* p# Z! W0 |/ o" X; w " }$ N2 g* n; \* r: ?5 t8 a6 r for(i=0;i<8;i++) { TM1723_CLK=0; if( (dat&0x01)==0x01 )& M$ W9 Y1 F- C3 m f* X! Y2 E+ ~, } { TM1723_DIO=1; }/ s( a7 C7 d. [" N8 A) e9 x else {3 g4 N4 }3 t" I' M) q. ^ TM1723_DIO=0; }/ U4 p0 |' j& Y8 T- ~ dat=dat>>1;, e6 |8 } T% W7 s' M& j* X* R . \% g+ Q% v. |/ K TM1723_CLK=1; TM1723_Delayus(2); //2us' M* O# r" f' R8 s# p }) Q& W- h/ n/ q# y }$ G' N8 I+ V) |$ W, k //tm1723写命令 void TM1723_WriteCmd(u8 cmd); l9 L, r, w$ }2 P, L& Y2 r, b { TM1723_CLK=1;% D( p, ~; R) {" h! ` TM1723_STB=0; TM1723_WriteByte(cmd); TM1723_STB=1; 0 W! E6 {3 ?) Z; g2 Q, y8 l TM1723_Delayus(100); //100us/ ?, S. ^5 ]( ~# B8 j$ {, z }% P6 v5 ?5 M7 S. Z3 b //tm1723写数据 void TM1723_WriteDat(u8 addr, u8 dat) { TM1723_CLK=1;1 O5 Q+ }+ a# j; v& w$ P6 L TM1723_STB=0; TM1723_WriteByte(addr);$ C* b2 Y! C3 d5 H7 m$ u TM1723_Delayus(50); $ B9 l% [% {4 D; `7 H TM1723_WriteByte(dat);$ ~* z4 F6 {* y* m+ T6 D' C TM1723_STB=1;) V+ _- i- K) }# I0 K1 I) [ TM1723_Delayus(100); //100us q z& w" e8 _. n } //测试 void tt(u8 i) d8 m0 L" u( o! R/ j8 e { TM1723_WriteCmd(0x00);5 O9 \! z# |: O* Y* [ TM1723_WriteCmd(0x44); T# O1 h7 O: i% L! z TM1723_WriteDat(0xc0, 0x00); TM1723_WriteDat(0xc1, 0x00); TM1723_WriteDat(0xc2, dispdat[(i%100)%10]); : G. h1 P, t* f- Q5 r7 I TM1723_WriteDat(0xc3, dispdat[(i%100)/10]); * g5 X5 U) h9 a% L TM1723_WriteDat(0xc4, dispdat[i/100]); TM1723_WriteDat(0xc5, 0xff); TM1723_WriteDat(0xc6, 0x00); ) j9 y( b1 [1 P3 p8 i% I' q TM1723_WriteDat(0xc7, 0x00); . a0 O; j% F5 ~ TM1723_WriteDat(0xc8, 0x00); TM1723_WriteDat(0xc9, 0xff); TM1723_WriteDat(0xca, 0xff); TM1723_WriteDat(0xcb, 0xff); TM1723_WriteDat(0xcc, 0xff); TM1723_WriteDat(0xcd, 0x00); 7 `7 K* {1 f/ x ` TM1723_WriteDat(0xce, 0xff);+ K) o9 V1 _) I) q3 Y TM1723_WriteDat(0xcf, 0xff);0 G8 V4 ~% u2 Y R4 W6 f- x . s7 N6 S* ^! |0 j TM1723_WriteCmd(0x97);& E( l: V' y# {& R) ^ } //TM1723.H #ifndef __TM1723_H_3 t- {' n! z3 `9 e& y4 F& B #define __TM1723_H_ * o% P& z+ [# i #define TM1723_DIO PAout(1) // PA1; q7 a3 O* H6 l5 S8 l #define TM1723_CLK PAout(2) // PA22 _% B# R# Z7 ?. G0 T2 l #define TM1723_STB PAout(3) // PA3 5 k4 _. S# S! I, J7 q9 y extern void Init_TM1723(void); extern void tt(u8 i); #endif1 y6 {8 {/ l3 n% [1 H : V" ? O2 Z! y5 }# P4 G. S- z8 K' n 2 L' z Y2 A5 O$ H- U8 r 最后显示的图片9 E- b* z% J. n/ m 
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测试的时候，最后一位间隔时间有点短
感谢大佬分享