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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。 8 E/ S* }! V6 ?& h //TM1723.C( d( _3 j2 u7 L+ Z& o #include "config.h" 5 y5 H1 T% k+ }1 Z8 l: k# f const u8 dispdat[]={0xd7,0x06,0xe3,0xa7,0x36,0xb5,0xf5,0x07,0xf7,0xb7}; - n5 V; Y( ^& U' `3 X //TM1723初始化4 F4 v7 s" q% D: X void Init_TM1723(void) { GPIO_InitTypeDef GPIO_InitStructure;/ S0 B: o0 F5 h1 g3 _7 Q RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); ! X% J% U9 H9 d' _ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 2 C: a! w" S8 G GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + a; k' N1 i P/ N* q GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3); }% @8 i; z6 t' @; w' q3 W //延时 void TM1723_Delayus(u32 ys) { u8 i; u32 j; for(j=0;j<ys;j++) { for(i=0;i<5;i++); //´óÔ¼1us, R# {3 F* ]# h, `8 U } } $ ?) ]" h, l3 ~' e //TM1723写字节 void TM1723_WriteByte(u8 dat)8 l1 _( A: }- }- ^% t0 o; t {6 @8 t; v: h. U+ |% Y& G u8 i; for(i=0;i<8;i++)8 s7 h9 X! B7 b! A4 y: j3 c; K {9 i$ U: W" K) r N& Y" T TM1723_CLK=0;: @' B) }8 a. b* _ G, n if( (dat&0x01)==0x01 ) { TM1723_DIO=1;6 J1 k6 a& O% d9 ~ ^1 X } else { TM1723_DIO=0;( C2 m# I- u- m5 d' z }; J/ G" r) O2 J4 F( {9 T dat=dat>>1;: F, ~* [" E( c 6 A# }+ T1 B" j* g7 j% n TM1723_CLK=1; ' b* e2 w1 {- u' e3 Q, N TM1723_Delayus(2); //2us } }' u& C2 F5 c3 T1 N7 ~+ o$ d0 N. z //tm1723写命令 void TM1723_WriteCmd(u8 cmd)2 ^/ S: g5 O8 x! u0 n4 ^ {' t$ z) } d& n7 O4 y TM1723_CLK=1;" V- x% _8 e* h: k TM1723_STB=0; TM1723_WriteByte(cmd);& b4 ]5 n% A5 T TM1723_STB=1;/ E3 r2 R( v/ _1 D9 Y5 |: b TM1723_Delayus(100); //100us5 R' ^1 t5 N& U$ J, g# Y }- G P U% x% { % n" R! \/ g1 N //tm1723写数据# |2 p/ C% r2 }$ d9 U void TM1723_WriteDat(u8 addr, u8 dat)! N8 A) @) N. f {7 r! x0 ~6 v/ o TM1723_CLK=1; TM1723_STB=0;) R6 F) ?# {# Y TM1723_WriteByte(addr);# L, N6 S2 [% {# ]$ t& O TM1723_Delayus(50); TM1723_WriteByte(dat);2 p9 w" k1 d- M TM1723_STB=1;% J2 U `, M2 N5 z1 h0 ^; q9 U TM1723_Delayus(100); //100us } # ]6 u8 J$ u }! y4 T5 Q //测试% ?$ Y! q8 V% k2 O; ]/ E* n' t8 g) e void tt(u8 i) {$ q' W2 K' h# _. a) B2 w, Q9 f, K TM1723_WriteCmd(0x00); TM1723_WriteCmd(0x44);$ A6 Z) `. {3 _- | TM1723_WriteDat(0xc0, 0x00); TM1723_WriteDat(0xc1, 0x00); TM1723_WriteDat(0xc2, dispdat[(i%100)%10]); " i1 H2 E [5 u+ f7 E' f7 V2 n TM1723_WriteDat(0xc3, dispdat[(i%100)/10]); ) Q6 O' {: m: y5 d2 {& I. x TM1723_WriteDat(0xc4, dispdat[i/100]); & W6 k; D- _; X& c+ o% H TM1723_WriteDat(0xc5, 0xff); TM1723_WriteDat(0xc6, 0x00); " m7 m) u- E* p! u B3 H& K5 I" S TM1723_WriteDat(0xc7, 0x00); ' i! { q- @& `( l2 @0 f TM1723_WriteDat(0xc8, 0x00); + e. x$ ^0 p' i6 v0 R TM1723_WriteDat(0xc9, 0xff); TM1723_WriteDat(0xca, 0xff); 1 J+ s& I7 I: m; v5 j; O TM1723_WriteDat(0xcb, 0xff); TM1723_WriteDat(0xcc, 0xff); TM1723_WriteDat(0xcd, 0x00); TM1723_WriteDat(0xce, 0xff);. f$ I# O8 k8 B( S/ d TM1723_WriteDat(0xcf, 0xff); G- @! u8 y0 ~ + H3 R# T0 X1 N' G2 z) G" a TM1723_WriteCmd(0x97); } 4 @' w# Z5 }6 R' V0 \ //TM1723.H* X$ Y$ t% H$ d. [7 E3 Z% I! D, Y #ifndef __TM1723_H_ #define __TM1723_H_4 y5 Z$ O' o! v- a& Z3 W, p / q# U m j: O #define TM1723_DIO PAout(1) // PA1 #define TM1723_CLK PAout(2) // PA29 t) ~* O, p+ w) @) ] #define TM1723_STB PAout(3) // PA3 extern void Init_TM1723(void); extern void tt(u8 i);9 x5 }$ r* t, u #endif8 A# {9 ?: ]8 [/ C7 Q% P& i N% c7 H/ n W/ g4 A" a# O9 e 最后显示的图片' N8 k5 X W0 F/ F9 X 
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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