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STM32密碼鎖設計 功能很全 帶源碼
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作者:
qqqq4
時間:
2017-4-28 11:10
標題:
STM32密碼鎖設計 功能很全 帶源碼
**功能：支持3~20位的密碼設置，初始密碼為123456；若要重設密碼，需先輸入正確密碼開鎖。
** 正常顯示情況下，按下確認鍵上鎖；按下密碼鍵，開始輸入密碼。
**接線：PE[0..3]----4*4鍵盤的行線，均用中斷方式，上拉輸入，下降沿觸發
** PE[4..7]----4*4鍵盤的列線，下拉輸入，在中斷內臨時改為上拉輸入，用于讀鍵值
** PD[0..7]----LCD12864 D0~D7
** PD[13..15]--LCD12864 RS,RW,E
** PA.1 連接繼電器，低電平時合上，高電平時斷開相當于開鎖與上鎖
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電子密碼鎖設計.rar
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2017-4-28 11:10 上傳
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/*****************************************************************************
** 電子密碼鎖設計
**文件名稱：main.c
**by 追夢 2011-5-12
**功能：支持3~20位的密碼設置，初始密碼為123456；若要重設密碼，需先輸入正確密碼開鎖。
** 正常顯示情況下，按下確認鍵上鎖；按下密碼鍵，開始輸入密碼。
**接線：PE[0..3]----4*4鍵盤的行線，均用中斷方式，上拉輸入，下降沿觸發
** PE[4..7]----4*4鍵盤的列線，下拉輸入，在中斷內臨時改為上拉輸入，用于讀鍵值
** PD[0..7]----LCD12864 D0~D7
** PD[13..15]--LCD12864 RS,RW,E
** PA.1 連接繼電器，低電平時合上，高電平時斷開相當于開鎖與上鎖
*****************************************************************************/
#include "stm32f10x.h"
#include "LCD12864.h"
extern __IO uint16_t keyval;
extern __IO uint16_t keyflag;
uint16_t password[21]={1,2,3,4,5,6,'
[/color]}; //初始密碼為 123456
uint16_t passwordtmp[21];
#define OPEN_DOOR GPIOA->BRR = GPIO_Pin_1
#define CLOSE_DOOR GPIOA->BSRR = GPIO_Pin_1
//數組中存放各個備份數據寄存器基于BKP基地址的偏移地址,用于存儲密碼
uint16_t BKPDataReg[21] =
{
BKP_DR2, BKP_DR3, BKP_DR4, BKP_DR5, BKP_DR6, BKP_DR7, BKP_DR8, BKP_DR9,
BKP_DR10, BKP_DR11, BKP_DR12, BKP_DR13, BKP_DR14, BKP_DR15,BKP_DR16,BKP_DR17,
BKP_DR18, BKP_DR19, BKP_DR20, BKP_DR21, BKP_DR22
};
/**
* 寫密碼到備份寄存器，掉電不丟失，電源復位不丟失
*/
void WritePasswordToBackupReg(uint16_t passwordarray[])
{
uint32_t index = 0;
/* 使能寫入BKP */
PWR_BackupAccessCmd(ENABLE);
/* 清除事件掛起位 pin Event(TE) */
BKP_ClearFlag();
for (index = 0; passwordarray[index]!='
[/color]; index++)
{ //偏移地址 和 數據
BKP_WriteBackupRegister(BKPDataReg[index], passwordarray[index]);
}
BKP_WriteBackupRegister(BKPDataReg[index], passwordarray[index]); //寫入密碼結尾符
}
/**
* 上電或復位后讀出備份區里保存的密碼
*/
void Load_Password(void)
{
uint32_t index = 0;
for(index = 0; BKP_ReadBackupRegister(BKPDataReg[index])!='
[/color]; index++)
{
password[index]=BKP_ReadBackupRegister(BKPDataReg[index]);
}
password[index]='
[/color];
}
/*************************************************************
**時鐘配置函數 系統時鐘為72MHz
*************************************************************/
void RCC_Configuration()
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC|\
RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE,ENABLE);//使能所有GPIO的時鐘
}
//GPIO配置函數
void GPIO_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;//定義GPIO的模式設置結構體變量
// PA1 接繼電器 模擬開鎖功能
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
GPIO_Init(GPIOA, &GPIO_InitStructure);
CLOSE_DOOR; // 初始鎖上
}
// 矩陣鍵盤接口配置
void KeyBoard_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
// 行線上拉輸入
GPIO_InitStructure.GPIO_Pin = 0x000f;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOE, &GPIO_InitStructure);
// 列線下拉輸入
GPIO_InitStructure.GPIO_Pin = 0x00f0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
GPIO_Init(GPIOE, &GPIO_InitStructure);
}
// 列線轉換為浮空輸入
void KeyBoard_Conv(uint16_t GPIO_Pin)
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOE, &GPIO_InitStructure);
// 列線浮空輸入
GPIO_InitStructure.GPIO_Pin = 0x00f0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOE, &GPIO_InitStructure);
}
/********************************************************************
*名 稱: EXTI_Configuration
*功 能：外部中斷配置函數
*說 明：PE.0~PE.3 鍵盤中斷
*********************************************************************/
void EXTI_Configuration(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); //復用功能使能
GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource0);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource1);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource2);
GPIO_EXTILineConfig(GPIO_PortSourceGPIOE, GPIO_PinSource3);
EXTI_ClearITPendingBit(EXTI_Line0); //清除掛起/請求標志
EXTI_ClearITPendingBit(EXTI_Line1); //清除掛起/請求標志
EXTI_ClearITPendingBit(EXTI_Line2);
EXTI_ClearITPendingBit(EXTI_Line3);
// PE.0
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //中斷模式
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_Line = EXTI_Line0;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
// PE.1
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //中斷模式
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_Line = EXTI_Line1;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
// PE.2
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //中斷模式
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_Line = EXTI_Line2;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
// PE.3
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //中斷模式
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_Line = EXTI_Line3;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
/********************************************************************
*名 稱: NVIC_Configuration
*功 能：中斷配置
*說 明：PE.0~PE.3 鍵盤中斷,均為下降沿觸發
*********************************************************************/
void NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
// PE.0
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_Init(&NVIC_InitStructure);
// PE.1
NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_Init(&NVIC_InitStructure);
// PE.2
NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_Init(&NVIC_InitStructure);
// PE.3
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
NVIC_Init(&NVIC_InitStructure);
}
//延時n us
void delay_nus(unsigned long n)
{
unsigned long j;
while(n--)
{ j=15;
while(j--);
}
}
//延時n ms
void delay_nms(unsigned long n)
{
while(n--)
delay_nus(1075);
}
/********************************************************************
*名 稱: Change_Password
*功 能：更改密碼
*說 明：直到新密碼設定完成才退出此函數
*********************************************************************/
void Change_Password(void)
{
uint16_t i,index=0;
uint16_t flag=0;
uint16_t passwordtmp2[21]={'
[/color]};
LCD_Clear();
delay_nms(2);
for(i=0;i<21;i++)
passwordtmp[i] = '
[/color];
LCD_Setpos_DispString(1,1,"請輸入新密碼:");
delay_nms(2);
LCD_Setpos(2,1);
delay_nms(1);
while(1)
{
keyflag = 0;
while(keyflag < 1)
{ }
keyflag = 0;
if(keyval<=9)
{
LCD_DispChar(keyval+'0');
delay_nms(1);
if(flag==0)
passwordtmp[index++] = keyval;
else passwordtmp2[index++] = keyval;
}
else if((keyval == 'e')&&(flag == 0))
{
passwordtmp[index] = '
[/color];
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(1,1,"請再次輸入新密碼");
delay_nms(2);
LCD_Setpos(2,1);
delay_nms(1);
flag = 1;
index = 0;
}
else if((keyval == 'e')&&(flag == 1))
{
for(i=0;passwordtmp[i]!='
[/color];i++)
{
if(passwordtmp[i] != passwordtmp2[i])
{
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(1,1,"兩次輸入密碼不同");
delay_nms(2);
LCD_Setpos_DispString(2,1,"請重新設定密碼!");
delay_nms(1000);
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(1,1,"請再次輸入新密碼");
delay_nms(2);
LCD_Setpos(2,1);
delay_nms(1);
flag = 0;
index = 0;
break;
}
}
if(passwordtmp[i]=='
[/color])
{
for(i=0;passwordtmp[i]!='
[/color];i++)
{
password[i] = passwordtmp[i];
}
password[i] = '
[/color];
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(2,1,"新密碼設定成功！");
delay_nms(2);
LCD_Setpos_DispString(3,1,"請牢記新密碼！");
delay_nms(1);
WritePasswordToBackupReg(password); //保存新密碼
delay_nms(3000);
break;
}
}
}
}
/********************************************************************
*名 稱: Input_Password()
*功 能：輸入密碼
*說 明：直到密碼輸入正確或新密碼設定完成才退出此函數
*********************************************************************/
void Input_Password()
{
__IO uint16_t i,index=0;
__IO uint16_t faultcount = 0;
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(1,1,"請輸入密碼:");
delay_nms(2);
LCD_Setpos(2,1);
delay_nms(1);
while(1)
{
keyflag = 0;
while(keyflag < 1)
{ }
keyflag = 0;
if(keyval<=9)
{
LCD_DispChar(keyval+'0');
delay_nms(1);
passwordtmp[index++] = keyval;
}
else if(keyval == 'c') //按下取消鍵
{
index--;
passwordtmp[index]='
[/color];
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(1,1,"請輸入密碼:");
delay_nms(2);
LCD_Setpos(2,1);
delay_nms(1);
for(i=0;passwordtmp[i]!='
[/color];i++)
{
LCD_DispChar(passwordtmp[i]+'0');
}
delay_nms(1);
}
else if(keyval=='e') //按下確認鍵
{
passwordtmp[index] = '
[/color]; //密碼結束標記
for(i=0;password[i]!='
[/color];i++)
{
if(passwordtmp[i] != password[i])
{
faultcount ++;
break;
}
}
if(faultcount == 3)
{
faultcount = 0;
CLOSE_DOOR;
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(2,1,"密碼已經錯誤 3次");
delay_nms(2);
LCD_Setpos_DispString(3,1,"等待 1分鐘后再試");
delay_nms(60000); //密碼錯誤3次以后，等待1分鐘才可再次輸入
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(1,1,"請再次輸入密碼:");
delay_nms(2);
LCD_Setpos(2,1);
delay_nms(2);
index = 0;
}
else if((faultcount >0) && (password[i]!='
[/color]))
{
CLOSE_DOOR;
LCD_Clear();
delay_nms(2);
LCD_Setpos_DispString(2,2,"密碼錯誤！");
delay_nms(1000);
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(1,1,"請再次輸入密碼:");
delay_nms(2);
LCD_Setpos(2,1);
delay_nms(2);
index = 0;
}
if((password[i]=='
[/color])&&(passwordtmp[i]=='
[/color]))//輸入密碼正確
{
LCD_Clear();
delay_nms(1);
LCD_Setpos_DispString(2,3,"密碼正確！");
delay_nms(2);
LCD_Setpos_DispString(3,3,"鎖已打開！");
…………限于本文篇幅 余下代碼請從51黑下載附件…………
復制代碼
作者:
anber1121
時間:
2018-2-26 23:28
HAOLIHAO 牛人
作者:
anber1121
時間:
2018-2-27 21:28
有用的資料
作者:
話到天魔
時間:
2018-3-2 17:00
很好 學習了
作者:
Dragons9527
時間:
2018-3-19 08:23
厲害了我的大佬
作者:
Dragons9527
時間:
2018-3-19 15:36
積分被吞了，下載不了
作者:
66666..
時間:
2018-9-8 20:28
厲害啊 大佬
作者:
Dragons9527
時間:
2018-9-27 17:37
下過的資料第二次下也要收黑幣？
作者:
1354391221
時間:
2018-11-6 11:15
有原理圖嘛
作者:
zwzwqw
時間:
2019-5-6 10:09
哇，好棒！
作者:
lww123
時間:
2019-5-6 11:02
感謝樓主分享，謝謝大佬
作者:
委曲求全
時間:
2019-12-23 07:48
用的什么板子
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電子密碼鎖設計.rar
(1.5 MB, 下載次數: 670)