tm1620与TM1640和TM1650不同，有STB引脚
部分代码搬运
tm1620.c
#include "tm1620.h"
static void SetSTB1(GPIO_PinState state)
{
HAL_GPIO_WritePin(STB1_GPIO_Port, STB1_Pin, state);
}
static void SetCLK1(GPIO_PinState state)
{
HAL_GPIO_WritePin(CLK1_GPIO_Port, CLK1_Pin, state);
}
static void SetDIN1(GPIO_PinState state)
{
HAL_GPIO_WritePin(DIN1_GPIO_Port, DIN1_Pin, state);
}
static void SetSTB2(GPIO_PinState state)
{
HAL_GPIO_WritePin(STB2_GPIO_Port, STB2_Pin, state);
}
static void SetCLK2(GPIO_PinState state)
{
HAL_GPIO_WritePin(CLK2_GPIO_Port, CLK2_Pin, state);
}
static void SetDIN2(GPIO_PinState state)
{
HAL_GPIO_WritePin(DIN2_GPIO_Port, DIN2_Pin, state);
}
static void SetSTB3(GPIO_PinState state)
{
HAL_GPIO_WritePin(STB3_GPIO_Port, STB3_Pin, state);
}
static void SetCLK3(GPIO_PinState state)
{
HAL_GPIO_WritePin(CLK3_GPIO_Port, CLK3_Pin, state);
}
static void SetDIN3(GPIO_PinState state)
{
HAL_GPIO_WritePin(DIN3_GPIO_Port, DIN3_Pin, state);
}
/* Private variables----------------------------------------------------------*/
uint8_t Disp_SEG[10] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F}; //数码管显示0 ~ 9
uint8_t DisplayAddress[5] = {0xC8,0xC6,0xC4,0xC2, 0xC0};
uint8_t Disp_SEG_dp[10] = {0xBF,0x86,0xDB,0xCF,0xE6,0xED,0xFD,0x87,0xFF,0xDF}; //数码管显示0. ~ 9.
static void TM1620_Write_Byte(TM1620_DEVICE_T device, uint8_t dat);
static void TM1620_Init(TM1620_DEVICE_T device);
static void Disp_Num(TM1620_DEVICE_T device, uint8_t num, long dat);
static void Disp_FloatNum(TM1620_DEVICE_T device, uint8_t num, float dat);
/* Public variables-----------------------------------------------------------*/
TM1620_DEVICE_T TM1620_Device1 = {SetSTB1,SetCLK1,SetDIN1,Brightness_level_3};
TM1620_DEVICE_T TM1620_Device2 = {SetSTB2,SetCLK2,SetDIN2,Brightness_level_3};
TM1620_DEVICE_T TM1620_Device3 = {SetSTB3,SetCLK3,SetDIN3,Brightness_level_3};
TM1620_t TM1620_1 =
{
&TM1620_Device1,
TM1620_Init,
Disp_Num,
Disp_FloatNum
};
TM1620_t TM1620_2 =
{
&TM1620_Device2,
TM1620_Init,
Disp_Num,
Disp_FloatNum
};
TM1620_t TM1620_3 =
{
&TM1620_Device3,
TM1620_Init,
Disp_Num,
Disp_FloatNum
};
/* Private function prototypes------------------------------------------------*/
/*
* @name TM1620_Write_Byte
* @brief TM1620写入一个字节
* @param dat：待写入数据
* @retval None
*/
static void TM1620_Write_Byte(TM1620_DEVICE_T device, uint8_t dat)
{
uint8_t i = 0;
device.SetSTBIo(GPIO_PIN_RESET);
HAL_Delay(1); //需要加延时等待，不然数码管显示会出异常
for(i=0;i<8;i++)
{
//CLK为低电平时往DIN上放数据
device.SetCLKIo(GPIO_PIN_RESET);
if(0x01 & dat){ //先取出最低位进行发送，然后dat右移，把最低位移出去，再取补上地低位进行发送
device.SetDINIo(GPIO_PIN_SET);
}else{
device.SetDINIo(GPIO_PIN_RESET);
}
__nop(); //延时1us
dat >>= 1;
//CLK为高电平时TM1620读取DIN上的数据
device.SetCLKIo(GPIO_PIN_SET);
__nop(); //延时1us
}
}
/*
* @name TM1620_Init
* @brief TM1620初始化
* @param None
* @retval None
*/
static void TM1620_Init(TM1620_DEVICE_T device)
{
uint8_t i = 0;
// //设置显示模式：6位8段
// TM1620_Write_Byte(device, Disp_Mode_GRID6_SEG8);
// device.SetSTBIo(GPIO_PIN_SET);
// //设置地址模式：自动地址增加
// TM1620_Write_Byte(device, Write_Data_Addr_Auto_Add);
// device.SetSTBIo(GPIO_PIN_SET);
// //清除显示寄存器
// TM1620_Write_Byte(device, Disp_SFR_Addr_00H);
// for(i=0;i<Disp_SFR_Addr_Num;i++)
// {
// TM1620_Write_Byte(device, 0x00);
// }
// device.SetSTBIo(GPIO_PIN_SET);
// //显示默认辉度：level3
// TM1620_Write_Byte(device, device.Brightness);
// device.SetSTBIo(GPIO_PIN_SET);
//设置显示模式：6位8段
TM1620_Write_Byte(device, Disp_Mode_GRID6_SEG8);
device.SetSTBIo(GPIO_PIN_SET);
//设置地址模式：固定地址
TM1620_Write_Byte(device, Write_Data_Addr_Fix);
device.SetSTBIo(GPIO_PIN_SET);
//写显示寄存器
//先设置位选，设置为左边的数码管，再写入段选的数据0xFF，数码管8个段全亮
for(i=0;i<5;i++)
{
TM1620_Write_Byte(device, DisplayAddress[i]);
TM1620_Write_Byte(device, 0x3F);
device.SetSTBIo(GPIO_PIN_SET);
}
//显示辉度
TM1620_Write_Byte(device, device.Brightness);
device.SetSTBIo(GPIO_PIN_SET);
}
/*
* @name Disp_Num
* @brief 数码管显示数据
* @param None
* @retval None
*/
static void Disp_Num(TM1620_DEVICE_T device, uint8_t num, long dat)
{
int i;
uint8_t temp = 0;
for(i = 0; i < num; i++){
temp = dat % 10;
TM1620_Write_Byte(device, DisplayAddress[i]);
TM1620_Write_Byte(device, Disp_SEG[temp]);
device.SetSTBIo(GPIO_PIN_SET);
dat /= 10;
}
//显示辉度
TM1620_Write_Byte(device, device.Brightness);
device.SetSTBIo(GPIO_PIN_SET);
}
static void Disp_FloatNum(TM1620_DEVICE_T device, uint8_t num, float dat)
{
int i;
uint8_t temp = 0;
int intNum;
intNum = (int)(dat*10);
for(i = 0; i < num; i++){
temp = intNum % 10;
TM1620_Write_Byte(device, DisplayAddress[i]);
if(i == 1)
TM1620_Write_Byte(device, Disp_SEG_dp[temp]);
else
TM1620_Write_Byte(device, Disp_SEG[temp]);
device.SetSTBIo(GPIO_PIN_SET);
intNum /= 10;
}
//显示辉度
TM1620_Write_Byte(device, device.Brightness);
device.SetSTBIo(GPIO_PIN_SET);
}
tm1620.h
#ifndef _TM1620_H_
#define _TM1620_H_
#include "user_main.h"
//显示模式枚举类型
typedef enum
{
Disp_Mode_GRID4_SEG10 = 0x00, //4位10段
Disp_Mode_GRID5_SEG9 = 0x01, //5位9段
Disp_Mode_GRID6_SEG8 = 0x02 //6位8段
}Disp_Mode_t;
//写数据地址模式枚举类型
typedef enum
{
Write_Data_Addr_Auto_Add = 0x40, //自动地址增加
Write_Data_Addr_Fix = 0x44 //固定地址
}Write_Data_Addr_Mode_t;
//辉度等级枚举类型
typedef enum
{
Brightness_level_0 = 0x80, //显示关
Brightness_level_1 = 0x88, //脉冲宽度为1/16
Brightness_level_2 = 0x89, //脉冲宽度为2/16
Brightness_level_3 = 0x8A, //脉冲宽度为4/16
Brightness_level_4 = 0x8B, //脉冲宽度为10/16
Brightness_level_5 = 0x8C, //脉冲宽度为11/16
Brightness_level_6 = 0x8D, //脉冲宽度为12/16
Brightness_level_7 = 0x8E, //脉冲宽度为13/16
Brightness_level_8 = 0x8F, //脉冲宽度为14/16
}Brightness_level_t;
//显示寄存器地址枚举类型 —> 位选GRID的地址
typedef enum
{
Disp_SFR_Addr_Num = (uint8_t)12,
Disp_SFR_Addr_00H = 0xC0,
Disp_SFR_Addr_01H = 0xC1,
Disp_SFR_Addr_02H = 0xC2,
Disp_SFR_Addr_03H = 0xC3,
Disp_SFR_Addr_04H = 0xC4,
Disp_SFR_Addr_05H = 0xC5,
Disp_SFR_Addr_06H = 0xC6,
Disp_SFR_Addr_07H = 0xC7,
Disp_SFR_Addr_08H = 0xC8,
Disp_SFR_Addr_09H = 0xC9,
Disp_SFR_Addr_0AH = 0xCA,
Disp_SFR_Addr_0BH = 0xCB,
}Disp_SFR_Addr_t;
typedef void (*SetIoState)(GPIO_PinState state);
//定义结构体类型
typedef struct
{
SetIoState SetSTBIo;
SetIoState SetCLKIo;
SetIoState SetDINIo;
Brightness_level_t Brightness; //辉度变量
}TM1620_DEVICE_T;
typedef struct
{
TM1620_DEVICE_T *device;
void (*TM1620_Init)(TM1620_DEVICE_T device); //TM1620初始化
void (*Disp_Num)(TM1620_DEVICE_T device, uint8_t num, long dat); //数码管显示
void (*Disp_FloatNum)(TM1620_DEVICE_T device, uint8_t num, float dat);
}TM1620_t;
/* extern variables-----------------------------------------------------------*/
extern TM1620_t TM1620_1;
extern TM1620_t TM1620_2;
extern TM1620_t TM1620_3;
/* extern function prototypes-------------------------------------------------*/
#endif
显示
TM1620_1.TM1620_Init(*(TM1620_1.device));
TM1620_2.TM1620_Init(*(TM1620_2.device));
TM1620_3.TM1620_Init(*(TM1620_3.device));
TM1620_1.Disp_Num(*(TM1620_1.device), 5, 12345);
TM1620_2.Disp_FloatNum(*(TM1620_2.device), 5, 1234.5);
TM1620_3.Disp_Num(*(TM1620_3.device), 5, 54321);
标签：Disp,void,TM1620,state,device,GPIO From： https://www.cnblogs.com/yianyan/p/17916930.html