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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。$ l; l. J8 ?! o7 b7 d$ S4 f ; c. l' r" ^- J$ z //TM1723.C- B9 s7 e$ v$ A/ g0 ]1 | #include "config.h" . V* D8 _& O" z- m% L+ ~0 G, i const u8 dispdat[]={0xd7,0x06,0xe3,0xa7,0x36,0xb5,0xf5,0x07,0xf7,0xb7}; //TM1723初始化3 u; ~' u% w+ h0 i3 y void Init_TM1723(void)- M- J' q, u" p2 ?$ } { GPIO_InitTypeDef GPIO_InitStructure;0 m! L9 g2 W) d1 I0 A* u 4 P) k/ [8 V! X: f3 h RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3; ( B# x% d4 Y, R6 @4 Q" @' [/ P GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 7 h6 `* e$ {, n0 T& c9 _: t1 {2 y0 P GPIO_Init(GPIOA, &GPIO_InitStructure); ! a$ I# W r# _) z8 p+ g GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3); 0 i' g+ A1 Z7 O7 `( S5 w3 b }# q' E) k- v" ~; ]) E //延时; u0 A. A6 ^/ y( |# _4 D2 v1 S. C void TM1723_Delayus(u32 ys) { u8 i;, M- u' s, G6 _1 e/ ]: e/ U- b, ~ u32 j;% Y, U h5 Z# |, O5 w5 q for(j=0;j<ys;j++) { 9 Y/ ?$ |3 p" |8 Z- E for(i=0;i<5;i++); //´óÔ¼1us1 x. j+ w. W9 A# {) C } }- Q' j. J1 b `4 ? / m$ ~7 j8 |, A8 n //TM1723写字节 void TM1723_WriteByte(u8 dat)# O; Y$ l: `1 S2 i% }8 h {; F2 ~$ n6 f+ h; B u8 i; / A( b7 _/ |& P: \1 d. u for(i=0;i<8;i++) { TM1723_CLK=0;4 q$ B% D% G$ }, ^4 {! `! b if( (dat&0x01)==0x01 )6 Z2 m2 g# i# p* O { TM1723_DIO=1; } else { TM1723_DIO=0;8 n# W1 r4 Z, J- k a v } dat=dat>>1; TM1723_CLK=1; d" E& o" l; m, k8 R . M7 r( o9 E9 i$ F ^ TM1723_Delayus(2); //2us } } 4 d- r& r3 O+ V, b! E2 U //tm1723写命令; f1 R& G( T7 s0 N, W void TM1723_WriteCmd(u8 cmd) { TM1723_CLK=1; TM1723_STB=0; : f$ d" v' H! }0 J' @' r% G7 J TM1723_WriteByte(cmd); TM1723_STB=1;0 e( r2 W4 O' l; ~* |" ] TM1723_Delayus(100); //100us }) z$ _/ a) H% W * B0 {, Y3 l7 Q* m5 o% N //tm1723写数据 void TM1723_WriteDat(u8 addr, u8 dat) {( I7 ?0 f& ?+ X TM1723_CLK=1; TM1723_STB=0; TM1723_WriteByte(addr);4 S1 }9 t4 g8 i2 `$ O TM1723_Delayus(50); TM1723_WriteByte(dat);; p" @5 n7 e* q2 p TM1723_STB=1;7 n; @; Z: m8 E# M( C F+ O TM1723_Delayus(100); //100us$ K: c) z9 P+ ~& z } R# H; z( [! | ' R' x( I' q6 e$ T8 c7 o5 a- ?: | //测试 void tt(u8 i) {( [$ i6 M/ t3 q( u; g TM1723_WriteCmd(0x00);3 u2 _0 L/ ^+ N TM1723_WriteCmd(0x44);1 j) F' v. P. e& V; z3 q TM1723_WriteDat(0xc0, 0x00); , Q. J3 @7 K) Y; U/ Q1 f( s, q TM1723_WriteDat(0xc1, 0x00); TM1723_WriteDat(0xc2, dispdat[(i%100)%10]); " m) Q8 {: K8 b8 f1 V* e+ K b TM1723_WriteDat(0xc3, dispdat[(i%100)/10]); TM1723_WriteDat(0xc4, dispdat[i/100]); Z! q" \& g f* w" W. l& v i TM1723_WriteDat(0xc5, 0xff); TM1723_WriteDat(0xc6, 0x00); TM1723_WriteDat(0xc7, 0x00); TM1723_WriteDat(0xc8, 0x00); 9 z; z' M2 `1 V) h TM1723_WriteDat(0xc9, 0xff); 7 E7 I, c, _ K) e. \, }5 @ TM1723_WriteDat(0xca, 0xff); TM1723_WriteDat(0xcb, 0xff); ; M* p1 C* l) k3 Q4 ^ K6 L TM1723_WriteDat(0xcc, 0xff); TM1723_WriteDat(0xcd, 0x00); # M! I2 t2 g' P% e, ^, K+ |& N TM1723_WriteDat(0xce, 0xff); TM1723_WriteDat(0xcf, 0xff); TM1723_WriteCmd(0x97);: }1 o! _5 j5 S- v }- Z* B" W; z3 J& G$ A6 \ ] $ N/ Z8 E: O# \' z/ R //TM1723.H; F( q! u) }5 w( Y/ T. ~4 g H- ~ #ifndef __TM1723_H_ #define __TM1723_H_ ( y. h: {" l7 E3 O #define TM1723_DIO PAout(1) // PA1" F0 }: O. }0 r1 {7 o #define TM1723_CLK PAout(2) // PA2& L& x8 n' \+ ]' D" x9 g u #define TM1723_STB PAout(3) // PA3) S- m# f# X6 `: F! d) r extern void Init_TM1723(void); 2 e4 B; ~* z) w2 G extern void tt(u8 i); #endif4 _% n. D0 ` f; ?& z 最后显示的图片 
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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