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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。 //TM1723.C #include "config.h" const u8 dispdat[]={0xd7,0x06,0xe3,0xa7,0x36,0xb5,0xf5,0x07,0xf7,0xb7}; //TM1723初始化 void Init_TM1723(void) { GPIO_InitTypeDef GPIO_InitStructure;; S# y; r# m% M" y5 V RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); # W) g2 Q5 x& x. R- k" ` GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3; . E9 Q0 z: k! v" _9 x3 x GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 5 W! F$ U' R8 t. y% c! C& T9 T GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3); 8 Z% E; j' e7 u# E5 ^9 @ } //延时 void TM1723_Delayus(u32 ys)+ T% F* r; g! i$ {- C& N { u8 i; u32 j; for(j=0;j<ys;j++) { for(i=0;i<5;i++); //´óÔ¼1us } }5 p% a$ A! v- q - y6 G! M# F: y6 ]7 h P0 M/ B //TM1723写字节6 b/ F; g# {. |0 _8 M0 W void TM1723_WriteByte(u8 dat) n! V5 @( M' h, y {0 {' G4 e/ }) }1 r u8 i; for(i=0;i<8;i++) {: s* ]$ ^: p; {1 k& w6 A TM1723_CLK=0;3 `7 F7 P) v( R/ V7 v0 f if( (dat&0x01)==0x01 )1 Q* f% w8 U/ h* W" g4 |+ n {& Z! ^/ p! ^# Q; w7 \1 M, p! o w* d TM1723_DIO=1;- {, [1 s- a4 V6 |* W7 p8 U4 n } else { TM1723_DIO=0; }" [* n3 y7 x2 Q& I( Q dat=dat>>1; TM1723_CLK=1; TM1723_Delayus(2); //2us }. i- k, C3 w8 N& c6 C! y }' q1 w: V7 h3 i5 i `1 u //tm1723写命令: v4 Z- u2 Z7 [6 T1 y% d N void TM1723_WriteCmd(u8 cmd); i+ G) b% O; n# [6 C- j {% T- w4 U5 F7 U9 s5 b- }* y TM1723_CLK=1;/ o: A7 v+ q- W+ T" A TM1723_STB=0; TM1723_WriteByte(cmd);7 l1 Z F2 M$ |: u. A/ A- L TM1723_STB=1; 5 d0 Y! a- H0 _/ m5 y ` TM1723_Delayus(100); //100us }$ j7 A% m2 s/ T* B7 o //tm1723写数据, [+ w6 Y4 f6 `4 Q$ S void TM1723_WriteDat(u8 addr, u8 dat) { TM1723_CLK=1;6 j( i' x/ W6 m) m TM1723_STB=0; TM1723_WriteByte(addr); TM1723_Delayus(50); TM1723_WriteByte(dat); TM1723_STB=1;! r0 Q/ q* h @/ f' F3 z TM1723_Delayus(100); //100us } //测试4 V$ V X6 Z5 g$ H4 f void tt(u8 i)7 i) f; l* g8 w% B {: K* S" n' e+ s; J4 w TM1723_WriteCmd(0x00); TM1723_WriteCmd(0x44); TM1723_WriteDat(0xc0, 0x00); TM1723_WriteDat(0xc1, 0x00); TM1723_WriteDat(0xc2, dispdat[(i%100)%10]); TM1723_WriteDat(0xc3, dispdat[(i%100)/10]); TM1723_WriteDat(0xc4, dispdat[i/100]); TM1723_WriteDat(0xc5, 0xff); TM1723_WriteDat(0xc6, 0x00); TM1723_WriteDat(0xc7, 0x00); TM1723_WriteDat(0xc8, 0x00); . m1 s# Q4 D: T, O5 a8 ~) s TM1723_WriteDat(0xc9, 0xff); 1 h5 c Z$ v& o9 q# v TM1723_WriteDat(0xca, 0xff); 0 p6 v: f2 S4 Y) z4 e TM1723_WriteDat(0xcb, 0xff); TM1723_WriteDat(0xcc, 0xff);+ ^& b1 D7 a G1 u4 U. `+ F8 s TM1723_WriteDat(0xcd, 0x00); TM1723_WriteDat(0xce, 0xff);: A5 }& b _- I: e5 a7 j TM1723_WriteDat(0xcf, 0xff); TM1723_WriteCmd(0x97);% p+ Z& i% A) r) O! q0 ~0 o9 \ }9 s: z8 o$ \* O6 W+ v / v, m, c/ x0 T8 L3 u //TM1723.H9 W4 a" j' m) d2 ~% x #ifndef __TM1723_H_ #define __TM1723_H_ 3 G& v7 O/ ?* ] #define TM1723_DIO PAout(1) // PA14 X" e- V' q6 i0 O6 Z #define TM1723_CLK PAout(2) // PA2 #define TM1723_STB PAout(3) // PA3+ M c; l0 u9 E' i' b, B2 @8 E$ l extern void Init_TM1723(void); ( F, O. s6 g1 O; d extern void tt(u8 i);" R1 C M2 _' K- t, F% f + _, b# W! L5 \ #endif+ v' z3 ?+ n& q8 K9 K% b* H; j3 Q 2 N( i+ x8 f2 y% i$ e- t7 p' [ 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