STC15W408AS單片機驅動74hc595源代碼

ID:319065 · 發表于 2018-6-14 20:39

單片機源程序如下:

#include "delay.h"
#include "key.h"
#include "hc595.h"
#include "intrins.h "
///////////////////////////引腳定義///////////////////////////////
sbit Hc595_Sck_P11 = P3^2; //輸入串行移位時鐘脈沖 sh_cp_595
sbit Hc595_Rck_P12 = P3^3; //輸出鎖存器控制脈沖 st_cp_595
//sbit Hc595_Oe_P13 = P1^5; //8 位并行輸出使能禁能（高阻態）
sbit Hc595_Ser_P14 = P3^4; //串行數據輸入線
unsigned char Hc595_Datas[6] = {0x00U}; //存放6個數碼管顯示的數據
unsigned long Hc595_Count = 0U;//顯示定時計數，
unsigned long Hc595_Time_Count = 0U;//定時器超時計數
unsigned long hc595_time_count_temp = 0U;//臨時存儲
unsigned long hc595_time_count_temp_1 = 0U;//臨時存儲
unsigned long hc595_time_count_temp_2 = 0U;//臨時存儲
unsigned char Hc595_Led_Code[]={
0x3FU, // 0
0x06U, // 1
0x5BU, // 2
0x4FU, // 3
0x66U, // 4
0x6DU, // 5
0x7DU, // 6
0x07U, // 7
0x7FU, // 8
0x6FU, // 9
0x77U, // A
0x7CU, // B
0x39U, // C
0x5EU, // D
0x79U, // E
0x71U, // F
0x00U //0x10:表示不顯示
};//共陽極數碼管
/////////////////////////////////////////////////外部調用函數/////////////////////////////////////////////
/***********************************************************************************************
//功能：單個數據往hc595發送，串行輸入數據（SER）移入寄存器
//輸入：unsigned char SendVal：要發送的數據
//輸出：無
//備注：無
//日期：2018.06.05
*************************************************************************************************/
void Hc595SendData(unsigned char SendVal)//往hc595發送數據，串行輸入數據（SER）移入寄存器
{
unsigned char i;
for(i = 0U; i < 8U; i++)
{
if((SendVal <<i ) & 0x80U)
{
Hc595_Ser_P14 = HC595_HIGH;
}
else
{
Hc595_Ser_P14 = HC595_LOW;
}
//由低電平跳為高電平，產生上升沿,串行輸入數據（SER）移入寄存器
Hc595_Sck_P11 = HC595_HIGH;
_nop_();
_nop_();
Hc595_Sck_P11 = HC595_LOW;
}
}
/***********************************************************************************************
//功能：數據顯示.RCK_595 產生上升沿，(輸出數據用于引腳)
//輸入：無
//輸出：無
//備注：無
//日期：2018.06.05
*************************************************************************************************/
void Hc595ShowData(void)//RCK_595 產生上升沿，(輸出數據用于引腳)
{
Hc595_Rck_P12 = HC595_LOW;
_nop_();
_nop_();
Hc595_Rck_P12 = HC595_HIGH;
_nop_();
_nop_();
Hc595_Rck_P12 = HC595_LOW;
_nop_();
_nop_();
}
/***********************************************************************************************
//功能：6個數據級聯顯示
//輸入：無
//輸出：無
//備注：無
//日期：2018.06.05
*************************************************************************************************/
void Hc595LedDisplayN(void)
{
unsigned char i;//,j;
unsigned char movebit[6];
//Hc595_Oe_P13 = HC595_LOW; //選中數碼管
for(i = 0U; i < 6U; i++)
{
movebit[i] = Hc595_Led_Code[Hc595_Datas[i]];
}
// P1 = 0U;
Delay(1U);
for(i = 0U; i< 6U; i++) //數據移位
{
if(i == 1U)//第二個字段小數點常亮處理
{
Hc595SendData(movebit[i] & 0x7FU );//共陽極低電平點亮對應的二極管
}
else
{
Hc595SendData(movebit[i]);
}
/*test = movebit[i];
for(j = 0U;j < 8U; j++)
{
testb = (test & 0x80U);
test = (test << 1U);
if(testb)
{
Hc595_Ser_P14 = HC595_HIGH;
}
else
{
Hc595_Ser_P14 = HC595_LOW;
}
Hc595_Sck_P11 = HC595_HIGH;
_nop_();
_nop_();
_nop_();
Hc595_Sck_P11 = HC595_LOW;
} //數據移位*/
}
//顯示數據,
Hc595ShowData();
/*Hc595_Rck_P12 = HC595_LOW;
_nop_();
_nop_();
_nop_();
Hc595_Rck_P12 = HC595_HIGH;
_nop_();
_nop_();
_nop_();
Hc595_Rck_P12 = HC595_LOW;
_nop_();
_nop_();
_nop_();*/
}
/***********************************************************************************************
//功能：定時器計數處理函數,并將對應的數據轉化為十進制數處理
//輸入：無
//輸出：無
//備注：應用于中斷中
//日期：2018.06.05
*************************************************************************************************/
void Hc595TimerCountHandle(void)
{
unsigned char hc595_key_status = 0U;//按鍵狀態
unsigned char hc595_key_count_modle = 0U;//檔位
unsigned char hc595_stop_display_flag = 0U;
hc595_key_count_modle = KeyCheckCount();//取按鍵設置的檔位顯示
hc595_key_status = KeyCheckStatus();//獲取按鍵狀態
switch(hc595_key_status)
{
case KeySwitchModeTimeOutInit://上電初始化狀態，可用于切換檔位
Hc595_Datas[0] = hc595_key_count_modle;//取按鍵設置的檔位顯示
Hc595_Datas[1] = 0x10U;//不顯示，全關處理
Hc595_Datas[2] = 0x10U;//不顯示，全關處理
Hc595_Datas[3] = 0x10U;//不顯示，全關處理
Hc595_Datas[4] = 0x10U;//不顯示，全關處理
Hc595_Datas[5] = 0x10U;//不顯示，全關處理
Hc595_Count = 0U;
break;
case KeyTimeCountInit://檔位設置完成后初始態，開啟計數
case KeyTimeCountStopClear://按鍵計時清零狀態
case KeyTimeCountOver://計時結束
case KeyTimeCountOverStop://超出后停止狀態
case KeyTimeCountOverInit_1://超出后停止狀態
case KeyTimeCountOverInit://超出后初始化狀態
Hc595_Count = 0U;
Hc595_Datas[0] = 0x00U;//全險0
Hc595_Datas[1] = 0x00U;//全險0
Hc595_Datas[2] = 0x00U;//全險0
Hc595_Datas[3] = 0x00U;//全險0
Hc595_Datas[4] = 0x00U;//全險0
Hc595_Datas[5] = 0x00U;//全險0
break;
case KeyTimeCountStart://開啟計數
//根據檔位處理時間
Hc595_Count ++;
hc595_time_count_temp_2 = Hc595_Count;
//顯示
if(hc595_key_count_modle == 5U)//第5檔只顯示時間
{
if(Hc595_Count >= 600000U)
{
Hc595_Count = 0U;
Key.Key_Status = KeyTimeCountOver;//計時結束
}
//分鐘
Hc595_Datas[0] = (Hc595_Count / 6000U) / 10U;
Hc595_Datas[1] = (Hc595_Count / 6000U) % 10U;
//秒
Hc595_Datas[2] = (Hc595_Count % 6000U) / 1000U;
Hc595_Datas[3] = (Hc595_Count % 1000U) / 100U;
//毫秒
Hc595_Datas[4] = (Hc595_Count % 100U)/10U;
Hc595_Datas[5] = (Hc595_Count % 10U)/1U;
}
else
{
hc595_time_count_temp = Hc595_Count;
if(hc595_key_count_modle == 0U)
{
hc595_time_count_temp = (Hc595_Count*5 + Hc595_Count%5);//400us
}
else if(hc595_key_count_modle == 1U)
{
hc595_time_count_temp = (Hc595_Count*4 + Hc595_Count%4);
}
else if(hc595_key_count_modle == 2U)
{
hc595_time_count_temp = (Hc595_Count*3 + Hc595_Count%3);
}
else if(hc595_key_count_modle == 3U)
{
hc595_time_count_temp = (Hc595_Count*2 + Hc595_Count%2);
}
else if(hc595_key_count_modle == 4U)
{
hc595_time_count_temp = (Hc595_Count + Hc595_Count);
}
//if((hc595_key_count_modle == 0U) || (hc595_key_count_modle == 1U) || (hc595_key_count_modle == 4U))
{
if(hc595_time_count_temp >= 10000U)
{
Hc595_Count = 0U;
hc595_time_count_temp = 0U;
Key.Key_Status = KeyTimeCountOver;//計時結束
}
Hc595_Datas[0] = (Hc595_Count % 10000U)/1000U;
Hc595_Datas[1] = (Hc595_Count % 1000U)/100U;
Hc595_Datas[2] = (hc595_time_count_temp % 100U)/10U;
Hc595_Datas[3] = (hc595_time_count_temp % 10U)/1U;
Hc595_Datas[4] = (hc595_time_count_temp % 100U)/10U;
Hc595_Datas[5] = (hc595_time_count_temp % 10U)/1U;
}
hc595_time_count_temp_1 = ((unsigned long)Hc595_Datas[0])*100000U + ((unsigned long)Hc595_Datas[1])*10000U + ((unsigned long)Hc595_Datas[2])*1000U + ((unsigned long)Hc595_Datas[3])*100U + ((unsigned long)Hc595_Datas[4])*10U + (unsigned long)Hc595_Datas[4];
}
break;
case KeyTimeCountStop://停止計數狀態
if(hc595_key_count_modle != 5U)
{
switch(hc595_key_count_modle)
{
case 0U:
if((hc595_time_count_temp_1 >= 99990U) && (hc595_time_count_temp_1 <= 100000U))
{
hc595_time_count_temp = 100000U;
hc595_stop_display_flag = 1U;
}
break;
case 1U:
if((hc595_time_count_temp_1 >= 99970U) && (hc595_time_count_temp_1 <= 100000U))
{
hc595_time_count_temp = 100000U;
hc595_stop_display_flag = 1U;
}
break;
case 2U:
if((hc595_time_count_temp_1 >= 99950U) && (hc595_time_count_temp_1 <= 100000U))
{
hc595_time_count_temp = 100000U;
hc595_stop_display_flag = 1U;
}
break;
case 3U:
if((hc595_time_count_temp_1 >= 99910U) && (hc595_time_count_temp_1 <= 100000U))
{
hc595_time_count_temp = 100000U;
hc595_stop_display_flag = 1U;
}
break;
case 4U:
if((hc595_time_count_temp_1 >= 98000U) && ((hc595_time_count_temp_1 <= 100000U)))
{
hc595_time_count_temp = 100000U;
hc595_stop_display_flag = 1U;
}
break;
default:
break;
}
if(hc595_stop_display_flag == 1U)
{
Hc595_Datas[0] = (hc595_time_count_temp % 1000000U)/100000U;
Hc595_Datas[1] = (hc595_time_count_temp % 100000U)/10000U;
Hc595_Datas[2] = (hc595_time_count_temp % 10000U)/1000U;
Hc595_Datas[3] = (hc595_time_count_temp % 1000U)/100U;
Hc595_Datas[4] = (hc595_time_count_temp % 100U)/10U;
Hc595_Datas[5] = (hc595_time_count_temp % 10U)/1U;
}
}
Hc595_Count = 0U;
break;
default:
break;
}
Hc595LedDisplayN();//數據顯示處理
}