tm1640驱动.zip_1640 数码管_1640数码管_STM32 TM1640_STM32F103_TM1640 STM3

#include "include.h" //函数 //管脚操作函数 #define SETDIN() GPIO_SetBits(GPIOC,TM1640DIN_Pin) #define CLRDIN() GPIO_ResetBits(GPIOC,TM1640DIN_Pin) #define SETDIN2() GPIO_SetBits(GPIOC,TM1640DIN2_Pin) #define CLRDIN2() GPIO_ResetBits(GPIOC,TM1640DIN2_Pin) #define SETSCLK() GPIO_SetBits(GPIOB,TM1640SCLK_Pin) #define CLRSCLK() GPIO_ResetBits(GPIOB,TM1640SCLK_Pin) #define LEDREGMAXLEN 16 //最大16个LED寄存器 #define LONGDELAY 50 //最大16个LED寄存器 #define SHORTELAY 5 //最大16个LED寄存器 void SendLEDCmd(unsigned char cmd);//发送命令函数 void SendLEDData(unsigned char cmd2,unsigned char dat);//发送数据函数 //段码从空格开始，到~结束,共95个 static unsigned char ASCII[]={ /* ! " # $ % & ' ( ) * + , - . / */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0X39,0x0F,0x00,0x00,0x00,0x40,0x80,0x00, /*0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ */ 0X3f,0X06,0X5B,0X4F,0X66,0X6D,0X7D,0X07,0X7F,0X6F,0x80,0x00,0x00,0x00,0x00,0x00,0x00, /*A B C D E F G H I J K L M N O P */ 0X77,0X7c,0X39,0X5e,0X79,0X71,0X7D,0X76,0X30,0X0e,0x00,0X38,0x00,0x37,0X3f,0X73, /*Q R S T U V W X Y Z [ \ ] ^ _ ` */ 0X67,0X31,0X6D,0X78,0X3e,0X3e,0X00,0X00,0X6e,0X5B,0X39,0x00,0x0F,0x00,0X08,0x00, /*a b c d e f g h i j k l m n o p */ 0X77,0X7c,0X39,0X5e,0X79,0X71,0X6F,0X74,0X10,0X0e,0x00,0X10,0x00,0x54,0X5c,0X73, /*q r s t u v w x y z { | } ~ */ 0X67,0X31,0X6D,0X78,0X1C,0X1C,0X00,0X00,0X6e,0X5B,0X39,0x00,0x0F,0x01, }; //延时程序 void I2c_Delay(u32 time) { while(time--) { } } //起始信号程序 void I2c_Start(u8 chip_num) { if(chip_num == tm1640_1) { I2C_SDA1_LED(1); I2c_Delay(SHORTELAY); I2C_SCL_LED(1); I2c_Delay(LONGDELAY); I2C_SDA1_LED(0); I2c_Delay(LONGDELAY); I2C_SCL_LED(0); } else { I2C_SDA2_LED(1); I2c_Delay(SHORTELAY); I2C_SCL_LED(1); I2c_Delay(LONGDELAY); I2C_SDA2_LED(0); I2c_Delay(LONGDELAY); I2C_SCL_LED(0); } } //终止信号程序 void I2c_Stop(u8 chip_num) { if(chip_num == tm1640_1) { I2C_SDA1_LED(0); I2c_Delay(LONGDELAY); I2C_SCL_LED(1); I2c_Delay(LONGDELAY); I2C_SDA1_LED(1); I2c_Delay(LONGDELAY); I2C_SCL_LED(0); //I2c_Delay(LONGDELAY); } else { I2C_SDA2_LED(0); I2c_Delay(LONGDELAY); I2C_SCL_LED(1); I2c_Delay(LONGDELAY); I2C_SDA2_LED(1); I2c_Delay(LONGDELAY); I2C_SCL_LED(0); } } /*向IIC总线送8位数据*/ void out8bit(u8 chip_num,u8 data) { u8 i; for(i=0;i<8;i++) { if(chip_num == tm1640_1) { if(data&0x01) I2C_SDA1_LED(1); else I2C_SDA1_LED(0); } else { if(data&0x01) I2C_SDA2_LED(1); else I2C_SDA2_LED(0); } I2c_Delay(LONGDELAY); I2C_SCL_LED(1); I2c_Delay(LONGDELAY); I2C_SCL_LED(0); I2c_Delay(LONGDELAY); data>>=1; } } /*********** TM1640 显示屏管脚初始化 **********/ void TM1640_GPIO_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; //显示屏输出管脚 GPIO_InitStructure.GPIO_Pin = GPIO_LEDSCL_Pin ; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIO_LEDSCL, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_LEDSDA1_Pin ; GPIO_Init(GPIO_LEDSDA1, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_LEDSDA2_Pin ; GPIO_Init(GPIO_LEDSDA2, &GPIO_InitStructure); } /************** 设置背光亮度等级，分1-15级 ***************/ /*void SetLEDBackLightLevel(u8 level) { LEDBLlevel =level; }*/ void TM1640_WriteBuf(u8* buf,u8 len) { //static u16 aa =0; u8 i; static u16 aa =0; static u8 LEDBLlevel =7; aa++; if(QSumTimer(Display_Lever_TIMER,OS_TICKS_PER_SEC*20) !=FALSE ) { if(Bakup_YYflag.NIGHT_FLAGE) { if((LEDBLlevel>1)&&((aa%500) ==1)) LEDBLlevel --; } else { if((LEDBLlevel>2)&&((aa%500) ==1)) LEDBLlevel --; } } else { aa =0; LEDBLlevel =(6-(u8)(Bakup_YYflag.NIGHT_FLAGE)*2); } /*tm1640_1的驱动显示*/ I2c_Start(tm1640_1); out8bit(tm1640_1,AUTO_DATA_COMMAND); I2c_Stop(tm1640_1); I2c_Start(tm1640_1); out8bit(tm1640_1,ADDR0_COMMAND); for(i=0;i<LEDREGMAXLEN;i++) { out8bit(tm1640_1,buf[i]); } I2c_Stop(tm1640_1); I2c_Start(tm1640_1); out8bit(tm1640_1,DISPLAY_ON_COMMAND+LEDBLlevel); //if((++aa%100) ==1) // out8bit(tm1640_1,DISPLAY_ON_COMMAND+aa/100); I2c_Stop(tm1640_1); /*tm1640_2的驱动显示*/ I2c_Start(tm1640_2); out8bit(tm1640_2,AUTO_DATA_COMMAND); I2c_Stop(tm1640_2); I2c_Start(tm1640_2); out8bit(tm1640_2,ADDR0_COMMAND); for(i=LEDREGMAXLEN;i<len;i++) { out8bit(tm1640_2,buf[i]); } for(i=21;i<len;i++) { out8bit(tm1640_2,buf[i]); } I2c_Stop(tm1640_2); I2c_Start(tm1640_2); //if((aa%100) ==1) // out8bit(tm1640_2,DISPLAY_ON_COMMAND+aa/100); out8bit(tm1640_2,DISPLAY_ON_COMMAND+LEDBLlevel); I2c_Stop(tm1640_2); } /******************** 发送命令函数,用于发送设置数据明令和显示控制命令 ********************/ //设置LED显示 void SetLEDON(void) { static u16 aa =0; static u8 LEDBLlevel =7; aa++; if(QSumTimer(Display_Lever_TIMER,OS_TICKS_PER_SEC*60) !=FALSE) { if(Bakup_YYflag.NIGHT_FLAGE) { if((LEDBLlevel>1)&&((aa%1000) ==1)) LEDBLlevel --; } else { if((LEDBLlevel>2)&&((aa%1000) ==1)) LEDBLlevel --; } } else { aa =0; LEDBLlevel =(4-(u8)(Bakup_YYflag.NIGHT_FLAGE)); } I2c_Start(tm1640_1); //aa++; //if((aa%100) ==1) // out8bit(tm1640_1,DISPLAY_ON_COMMAND+aa/100); out8bit(tm1640_1,DISPLAY_ON_COMMAND+LEDBLlevel); I2c_Stop(tm1640_1); I2c_Start(tm1640_2); // if((aa%100) ==1) // out8bit(tm1640_2,DISPLAY_ON_COMMAND+aa/100); out8bit(tm1640_2,DISPLAY_ON_COMMAND+LEDBLlevel); I2c_Stop(tm1640_2); } /******************** 函数功能：LED显示格式化函数，把要显示的字符串对应的显示段码放入显示缓冲区 ********************/ void LEDPlayStr(unsigned char *str,unsigned char *dst,unsigned char len) { unsigned char i,k; k = 0; for(i=0;i<len;i++) { if((str[i] =='.')&&(k !=0)) { dst[i] = dst[i -1]|0x80; dst[i -1] = ASCII[' ' - 0x20]; } else { dst[i] = ASCII[str[i] - 0x20]; k++; } } } /******************** 函数功能：LED显示格式化函数，把要显示的数字对应的显示段码放入显示缓冲区 ********************/ void LEDPlayNum(unsigned char *str,unsigned char *dst,unsigned char len) { unsigned char i,j,k; k = 1; for(i=0;i<len;i++) { j = str[len-1-i]; if(str[len-1-i] == '.') { i++; j = str[len-1-i]; dst[len-k] = ASCII[j - 0x20]; dst[len-k] |= 0x80; } else { if(dst[len-k] < 10) dst[len-k] = ASCII[j + 16]; else if(dst[len-k] < 16) dst[len-k] = ASCII[j + 23]; else dst[len-k] = 0; } k++; } }