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数码管驱动芯片ta6932 驱动

2022-01-29 09:02:16 作者：互联网
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "stm32f10x.h"
#include "stm32f10x_it.h"

#include "ta6932.h"

#define ta6932_mosi_l()      (GPIO_ResetBits(GPIOB,GPIO_Pin_5))
#define ta6932_mosi_h()      (GPIO_SetBits(GPIOB,GPIO_Pin_5))

#define ta6932_sck_l()      (GPIO_ResetBits(GPIOB,GPIO_Pin_3))
#define ta6932_sck_h()      (GPIO_SetBits(GPIOB,GPIO_Pin_3))

#define TIME_US 400
#define STB_IO_REVERT 1
#if (STB_IO_REVERT == 1)

#if 1
#define ta6932_cs_l_a()      (GPIO_SetBits(GPIOD,GPIO_Pin_4))
#define ta6932_cs_h_a()      (GPIO_ResetBits(GPIOD,GPIO_Pin_4))

#define ta6932_cs_l_b()      (GPIO_SetBits(GPIOD,GPIO_Pin_3))
#define ta6932_cs_h_b()      (GPIO_ResetBits(GPIOD,GPIO_Pin_3))
#else
#define ta6932_cs_l_a()      (GPIO_SetBits(GPIOD,GPIO_Pin_3))
#define ta6932_cs_h_a()      (GPIO_ResetBits(GPIOD,GPIO_Pin_3))

#define ta6932_cs_l_b()      (GPIO_SetBits(GPIOD,GPIO_Pin_4))
#define ta6932_cs_h_b()      (GPIO_ResetBits(GPIOD,GPIO_Pin_4))
#endif
#define ta6932_cs_l_c()      (GPIO_SetBits(GPIOD,GPIO_Pin_5))
#define ta6932_cs_h_c()      (GPIO_ResetBits(GPIOD,GPIO_Pin_5))

#define ta6932_cs_l_d()      (GPIO_SetBits(GPIOD,GPIO_Pin_6))
#define ta6932_cs_h_d()      (GPIO_ResetBits(GPIOD,GPIO_Pin_6))

#else


#define ta6932_cs_l_a()      (GPIO_ResetBits(GPIOD,GPIO_Pin_3))
#define ta6932_cs_h_a()      (GPIO_SetBits(GPIOD,GPIO_Pin_3))

#define ta6932_cs_l_b()      (GPIO_ResetBits(GPIOD,GPIO_Pin_4))
#define ta6932_cs_h_b()      (GPIO_SetBits(GPIOD,GPIO_Pin_4))

#define ta6932_cs_l_c()      (GPIO_ResetBits(GPIOD,GPIO_Pin_5))
#define ta6932_cs_h_c()      (GPIO_SetBits(GPIOD,GPIO_Pin_5))

#define ta6932_cs_l_d()      (GPIO_ResetBits(GPIOD,GPIO_Pin_6))
#define ta6932_cs_h_d()      (GPIO_SetBits(GPIOD,GPIO_Pin_6))
#endif
#define delay_us Delay_us

Display_num dis_num = {0};


const unsigned char  tab[]= {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71,0x40,0xef};
u16 ta6932_number[TA6932_LEDCOUNT] = {0};
unsigned char  channel_num = TA6932_LEDCOUNT;
void ta6932_channel_num_init(unsigned char num)
{
	channel_num = num;
}
void TA6932_Init(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
//    u8 i = 0;

    // RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD, ENABLE);

    GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);

    //PB3 ÊÇSPI_SCK PB5 ÊÇSPI1_MOSI
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3|GPIO_Pin_5;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init(GPIOB, &GPIO_InitStructure);
    // GPIO_SetBits(GPIOB, GPIO_Pin_3|GPIO_Pin_5);	sck h mosi h
    //GPIO_ResetBits(GPIOB, GPIO_Pin_3|GPIO_Pin_5);	//sck h mosi l

    //PD3456 ÓÃÓÚÆ¬Ñ¡
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_Init(GPIOD, &GPIO_InitStructure);
    //GPIO_SetBits(GPIOD, GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6);
    //GPIO_ResetBits(GPIOD, GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6);

    //TEST
    ta6932_mosi_h();
    ta6932_sck_h();
    //ta6932_mosi_l();
    //ta6932_sck_l();

    ta6932_cs_h_a();
    ta6932_cs_h_b();
    ta6932_cs_h_c();
    ta6932_cs_h_d();


    /*
    for(i = 0; i < TA6932_LEDCOUNT; i++)
    {
        ta6932_number[i] = 0;
    }

    TA6932_DisplayAllNumber(ta6932_number);
    */
}

void TA6932_Write_Byte(unsigned char dat)
{
    unsigned char i;

    for(i=0; i<8; i++)
    {
        if(dat&0x01)
        {
            ta6932_sck_l();
            delay_us(TIME_US);
            ta6932_mosi_h();
            delay_us(TIME_US);
            //	delay_us(10);
            ta6932_sck_h();
            delay_us(TIME_US);
            //	delay_us(10);
        }
        else
        {
            ta6932_sck_l();
            delay_us(TIME_US);
            ta6932_mosi_l();
            delay_us(TIME_US);
            //	delay_us(10);
            ta6932_sck_h();
            delay_us(TIME_US);
            //	delay_us(10);
        }
        dat>>=1;
    }
}

/*ÏÔÊ¾Ã¿¸öta6932µÄled
dat ÊÇÏÔÊ¾µÄÊý¾Ý½á¹¹£¬20¸ö¶Ë¿ÚµÄÊý¾Ý
num ÊÇÆ¬Ñ¡ºÅ
*/
void TA6932_Display_Number(Display_num *dat,u8 stb)
{
    u8 i =0;
    u8 j =0;


    switch(stb)
    {
    case 1:
        ta6932_cs_l_a();
        delay_us (TIME_US);
        TA6932_Write_Byte(0x40);
        ta6932_cs_h_a();
        ta6932_sck_h();
        delay_us (TIME_US);

        ta6932_cs_l_a();
        delay_us (TIME_US);
        TA6932_Write_Byte(0xC0);
        // ta6932_sck_h();
        //  delay_us (TIME_US);

        for(i=0; i<5; i++)
        {
            for(j=0; j<3; j++)
            {
                //printf("dat[%d][%d]=0x%x \r\n",i,j,dat->num[i][j]);
                TA6932_Write_Byte(dat->num[i][j]);
            }
        }
        ta6932_cs_h_a();
        ta6932_sck_h();
        delay_us (TIME_US);
        ta6932_cs_l_a();
        delay_us (TIME_US);
        TA6932_Write_Byte(0x8f);
        ta6932_cs_h_a();
        ta6932_sck_h();
        break;

    case 2:
        ta6932_cs_l_b();
        delay_us (TIME_US);
        TA6932_Write_Byte(0x40);
        ta6932_cs_h_b();
        ta6932_sck_h();
        delay_us (TIME_US);
        ta6932_cs_l_b();
        delay_us (TIME_US);
        TA6932_Write_Byte(0xC0);
        //    ta6932_sck_h();
        //delay_us (TIME_US);
        for(i=0; i<5; i++)
        {
            for(j=0; j<3; j++)
            {
                //	printf("dat[%d][%d]=0x%x \r\n",i,j,dat->num[i][j]);
                TA6932_Write_Byte(dat->num[i+5][j]);
            }
        }
        ta6932_cs_h_b();
        ta6932_sck_h();
        delay_us (TIME_US);
        ta6932_cs_l_b();
        delay_us (TIME_US);
        TA6932_Write_Byte(0x8f);
        ta6932_cs_h_b();
        ta6932_sck_h();
        break;

    case 3:
        ta6932_cs_l_c();
        delay_us (TIME_US);
        TA6932_Write_Byte(0x40);
        ta6932_cs_h_c();
        ta6932_sck_h();
        delay_us (TIME_US);
        ta6932_cs_l_c();
        delay_us (TIME_US);
        TA6932_Write_Byte(0xC0);
        for(i=0; i<5; i++)
        {
            for(j=0; j<3; j++)
            {
                TA6932_Write_Byte(dat->num[i+10][j]);
            }
        }
        ta6932_cs_h_c();
        ta6932_sck_h();
        delay_us (TIME_US);
        ta6932_cs_l_c();
        delay_us (TIME_US);
        TA6932_Write_Byte(0x8f);
        ta6932_cs_h_c();
        ta6932_sck_h();
        break;

    case 4:
        ta6932_cs_l_d();
        delay_us (TIME_US);
        TA6932_Write_Byte(0x40);
        ta6932_cs_h_d();
        ta6932_sck_h();
        delay_us (TIME_US);
        ta6932_cs_l_d();
        delay_us (TIME_US);
        TA6932_Write_Byte(0xC0);
        for(i=0; i<5; i++)
        {
            for(j=0; j<3; j++)
            {
                TA6932_Write_Byte(dat->num[i+15][j]);
            }
        }
        ta6932_cs_h_d();
        ta6932_sck_h();
        delay_us (TIME_US);
        ta6932_cs_l_d();
        delay_us (TIME_US);
        TA6932_Write_Byte(0x8f);
        ta6932_cs_h_d();
        ta6932_sck_h();
        break ;

    default :
        break;
    }
}
/*ÏÔÊ¾ËùÓÐ20¸ö¶Ë¿ÚµÄÊý×Ö£¬numberÊÇÒ»¸öu16 number[20]µÄÊý×é */
void TA6932_DisplayAllNumber(u16 *number)
{
    u16 num = 0;
    u16 temp = 0;
    u8 i = 0;

    if(number == NULL)
    {
        return ;
    }

    memcpy(ta6932_number,number,sizeof(ta6932_number));

    for(i = 0; i < channel_num; i++ )
    {
        num = ta6932_number[i];
        /*°Ù*/
        temp = num %1000 / 100;
        dis_num.num[i][0] = tab[temp];
        /*Ê®*/
        temp = num %100 / 10;
        dis_num.num[i][1] = tab[temp];
        /*¸ö*/
        temp = num %10;
        dis_num.num[i][2] = tab[temp];
    }
    if(channel_num == 10)
    {
        TA6932_Display_Number(&dis_num, 1);
        TA6932_Display_Number(&dis_num, 2);

    }
    else if(channel_num == 20)
    {
        TA6932_Display_Number(&dis_num, 1);
        TA6932_Display_Number(&dis_num, 2);

        TA6932_Display_Number(&dis_num, 3);
        TA6932_Display_Number(&dis_num, 4);
    }
}
/*ÏÔÊ¾Ä³¸ö¶Ë¿ÚµÄÊý×Ö£¬
portÊÇ¶Ë¿ÚºÅ [1~20]
numberÊÇÏÔÊ¾Êý¾Ý£¬¼´³äµç·ÖÖÓÊý£¬
*/
void TA6932_DisplayPortNumber(u8 port, u16 number)
{
    if(port < 1 || port > TA6932_LEDCOUNT)
    {
        return;
    }
    port = (port-1)%TA6932_LEDCOUNT;
	if(number != ta6932_number[port])
	{
	    ta6932_number[port] = number;
	    TA6932_DisplayAllNumber(ta6932_number);
	}
}
标签：ta6932,num,Pin,数码管,TA6932,GPIO,cs,驱动
来源： https://blog.csdn.net/xushx_bigbear/article/details/122739149