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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。( G' m+ G2 O2 j H1 R. X //TM1723.C #include "config.h" 8 {; i6 j0 \, E5 f7 w. `( D const u8 dispdat[]={0xd7,0x06,0xe3,0xa7,0x36,0xb5,0xf5,0x07,0xf7,0xb7}; d& G/ i$ _2 d+ |. M4 b //TM1723初始化 void Init_TM1723(void) {0 K( l& P Q: j: B8 A7 r1 d$ { GPIO_InitTypeDef GPIO_InitStructure; ! \) a( `1 R* Y V2 `0 C( G RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); 7 A, b, w- [$ U / ?6 i4 ]# c$ O0 A GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3; 1 k6 J6 @0 b! r9 R& e% A: t* A7 e GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; : P1 \; s7 i; Q! Q% o" c, q GPIO_Init(GPIOA, &GPIO_InitStructure); 1 |( b8 P5 S7 { GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3); }- r1 ^3 O& }& `5 `' F- j; c ( z- E$ I( u1 n. M0 d3 I# m //延时 void TM1723_Delayus(u32 ys) { u8 i;( N; _7 u+ S4 `* I/ s$ g! d0 W3 ] u32 j;2 l; ^1 J" k( z6 M for(j=0;j<ys;j++) { for(i=0;i<5;i++); //´óÔ¼1us }1 {: b+ N- n7 e9 W6 E" R/ G }+ x9 u" \4 o9 B0 `8 c //TM1723写字节 void TM1723_WriteByte(u8 dat) { u8 i;# g6 K# f( y+ a' I* S- u for(i=0;i<8;i++) { TM1723_CLK=0; if( (dat&0x01)==0x01 ): K+ ~3 @8 k/ G' B* Q' M: _* p { TM1723_DIO=1;6 e6 }3 d) l' n1 x+ w M } else4 g2 B. a0 y: A1 k5 g {& o8 `+ c) E( `& S" | TM1723_DIO=0; }: f, Z A& M. z* a dat=dat>>1;7 k" F1 n$ Y8 g3 L5 S0 _7 w6 R TM1723_CLK=1;2 f9 o9 A' c3 S' I3 R$ {, \ TM1723_Delayus(2); //2us! ?/ ^( W' W2 s, b# D }2 J+ w' I/ H3 f; x: V4 v }# f3 u+ k5 g5 L' D //tm1723写命令 void TM1723_WriteCmd(u8 cmd) {6 [& M% Q2 b& X7 E* i# i& |, H3 c TM1723_CLK=1; TM1723_STB=0;- ~* Y k$ Y/ X0 P3 e! n! }7 ] 2 i4 R$ u- u. J2 e9 T7 R( z- D TM1723_WriteByte(cmd);, o; c% c% |8 l/ P3 m5 d TM1723_STB=1; % ~: W, Y+ X# s/ E3 p" ]3 z TM1723_Delayus(100); //100us } //tm1723写数据 void TM1723_WriteDat(u8 addr, u8 dat): c' g: {& C8 d {. p) g! C4 U4 z TM1723_CLK=1;5 P( z' @1 R! A/ s0 y) j- }; \ TM1723_STB=0;9 Q: }( \& \; l% o" R5 [+ z$ k TM1723_WriteByte(addr); TM1723_Delayus(50); ; w" R( n+ Z" G; b. q& r0 Q TM1723_WriteByte(dat); TM1723_STB=1;# T' \# x8 n2 I TM1723_Delayus(100); //100us }8 X0 ]0 }1 N0 Q5 I2 C2 N* | 1 Q0 t5 H1 `- m- ?$ o- g8 l: H4 o8 M //测试" b" b9 m8 A1 T void tt(u8 i); n/ b2 w" S0 |5 t$ ~# k( h {4 D" x- m" s# C+ Z3 {: \9 i2 @/ W TM1723_WriteCmd(0x00); TM1723_WriteCmd(0x44); TM1723_WriteDat(0xc0, 0x00); 3 g" a# y$ Q* k4 l# Y TM1723_WriteDat(0xc1, 0x00); TM1723_WriteDat(0xc2, dispdat[(i%100)%10]); : M6 [# @* J% }3 A8 U0 Q TM1723_WriteDat(0xc3, dispdat[(i%100)/10]); TM1723_WriteDat(0xc4, dispdat[i/100]); ! c0 {) p+ r9 e3 b2 |! n- ^ TM1723_WriteDat(0xc5, 0xff); TM1723_WriteDat(0xc6, 0x00); ) `7 R" s: M5 f) f$ p0 A: I TM1723_WriteDat(0xc7, 0x00); 1 s* o2 @0 i( J8 _2 q TM1723_WriteDat(0xc8, 0x00); / a0 U: \- v! J9 Q: _ TM1723_WriteDat(0xc9, 0xff); TM1723_WriteDat(0xca, 0xff); TM1723_WriteDat(0xcb, 0xff); TM1723_WriteDat(0xcc, 0xff);0 q7 e% e2 o; x6 j! V5 } TM1723_WriteDat(0xcd, 0x00); 2 V. u3 [' | R0 ~, E6 ?7 D TM1723_WriteDat(0xce, 0xff);9 l/ `- e6 Y7 n TM1723_WriteDat(0xcf, 0xff);; ^- j6 Y1 N8 Q, K% n5 r) f: } 9 k- M$ r" }* h, { TM1723_WriteCmd(0x97);/ Z: S0 e/ l6 Z } //TM1723.H #ifndef __TM1723_H_ #define __TM1723_H_" f4 H$ D8 y* f3 M #define TM1723_DIO PAout(1) // PA1 #define TM1723_CLK PAout(2) // PA2 #define TM1723_STB PAout(3) // PA3 % U* E6 l! Q( x! H& _! }( D4 T extern void Init_TM1723(void); 2 i% V" o8 G' Z7 v2 ^7 {# R extern void tt(u8 i);# s) N4 U t8 n7 f4 y; v! n + K* z4 P- s4 Z& F: E* ^ #endif7 O6 r( g& h1 S: P ! l( t! g6 T5 N* k 最后显示的图片# K& I% X1 M. g; J- o# N4 A 
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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