任务二：密码锁
#include "io.h"
u8 State1 = 0; //LED1初始状态
u8 State2 = 0; //LED2初始状态
u8 State3 = 0; //LED3初始状态
u16 Key_Vol ; //按键按下持续时间
u8 SEG_NUM[]=
{
0x3F, /*'0', 0*/
0x06, /*'1', 1*/
0x5B, /*'2', 2*/
0x4F, /*'3', 3*/
0x66, /*'4', 4*/
0x6D, /*'5', 5*/
0x7D, /*'6', 6*/
0x07, /*'7', 7*/
0x7F, /*'8', 8*/
0x6F, /*'9', 9*/
0x77, /*'A', 10*/
0x7C, /*'B', 11*/
0x39, /*'C', 12*/
0x5E, /*'D', 13*/
0x79, /*'E', 14*/
0x71, /*'F', 15*/
0x40, /*'-', 16*/
0x00, /*' ', 17*/
0x80, /*'.', 18*/
};
u8 T_NUM =
{
0X01,0X02,0X04,0X08,0X10,0X20,0X40,0X80
};
void LED0_Blink(void)
{
State1 = !State1;
P00 = State1;
}
void LED1_Blink(void)
{
State2 = !State2;
P01 = State2;
}
void LED2_Blink(void)
{
State3 = !State3;
P02 = State3;
}
void KEY_Task(void)
{
if( P32 == 0 )
{
Key_Vol++;
if( Key_Vol==5 )
{
//按键按下的任务
printf( "按键单击\r\n" );
}
}
else
{
Key_Vol = 0;
}
}
/*
#define ROW1 P06 //端口定义
#define ROW2 P07
#define COL1 P00
#define COL2 P01
#define COL3 P02
#define COL4 P03
*/
u8 key_num = 0xff;
//任务1：数码管显示当前的按键号
void Task_1(void)
{
//①第一步：现将P0.0-P0.3输出低电平，P0.6-P0.7输出高电平，如果有按键按下，按下的那一行的IO就会变成低电平，就可以判断出哪一行按下了。
COL1 = 0;
COL2 = 0;
COL3 = 0;
COL4 = 0;
ROW1 = 1;
ROW2 = 1;
if(( ROW1 == 0 ) || ( ROW2 == 0 )) //如果行按键有按下
{
if(( ROW1 ==0 ) && ( ROW2 ==0 )) //如果两行都有按键按下，不处理
{
}
else if((( ROW1 ==1 )&&( ROW2 ==0 )) || (( ROW1 ==0 )&&( ROW2 ==1 ))) //如果有按键按下，而且只有一颗
{
if( ROW1 ==0 ) //判断哪一行，输出行开始的序号
key_num = 0;
else if( ROW2 ==0 )
key_num = 4;
//②第二步：现将P0.0-P0.3输出高电平，P0.6-P0.7输出低电平，如果有按键按下，按下的那一列的IO就会变成低电平，就可以判断出哪一列按下了。
COL1 = 1;
COL2 = 1;
COL3 = 1;
COL4 = 1;
ROW1 = 0;
ROW2 = 0;
if( COL1 ==0 ) //判断哪一列，叠加按键的序号
{
// key_num = key_num ;
}
else if( COL2 ==0 )
{
key_num = key_num + 1;
}
else if( COL3 ==0 )
{
key_num = key_num + 2;
}
else if( COL4 ==0 )
{
key_num = key_num + 3;
}
}
COL1 = 0;
COL2 = 0;
COL3 = 0;
COL4 = 0;
ROW1 = 1;
ROW2 = 1;
}
else
{
key_num = 0xff;
}
//③第三步：行列组合一下就可以判断出是哪个按键按下了。
}
void Init_595(void)
{
HC595_SER = 0;
HC595_RCK = 0;
HC595_SCK = 0;
}
void Send_595( u8 dat )
{
u8 i;
for( i=0;i<8;i++ )
{
dat <<= 1; //DAT = (DAT<<1); //CY
HC595_SER = CY; //先把数据写到引脚上
HC595_SCK = 1; //输出上升沿的时钟信号
HC595_SCK = 0;
}
}
void Display_Seg(u8 HC595_1,u8 HC595_2)
{
Send_595(HC595_1); //数码管段码输出高电平点亮
Send_595(HC595_2); //数码管位码 低电平点亮
HC595_RCK = 1; //数据输出
HC595_RCK = 0;
}
//void SEG_Task(void)
//{
// if( key_num == 255 )
// Display_Seg( SEG_NUM , ~T_NUM); //数码管刷段码和位码
// else
// Display_Seg( SEG_NUM , ~T_NUM); //数码管刷段码和位码
//}
u8 passward = { 16,16,16,16,16,16,16,16 };
u8 Seg_no = 0;
void SEG_Task(void)
{
u8 num = 0;
if( Seg_no ==0 ) //小时十位
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==1 ) //小时的个位
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==2 ) //第一个横杠
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==3 ) //分钟的十位
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==4 )
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==5 )
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==6 )
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==7 )
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else
{
}
Seg_no ++;
if( Seg_no>7 )
Seg_no=0;
}
u8 Key_Vol3 = 0;
u8 key_no =0 ;
void PW_write_Task(void)
{
if( key_num <0xff )
{
Key_Vol3 ++;
if( Key_Vol3 == 5 )
{
if( key_no == 0 )
{
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
}
passward[ key_no] = key_num ;
key_no ++;
// passward = 17;
if( key_no == 8 ) //密码输入到了八位
{
if((passward==1) && (passward==2) && (passward==3) && (passward==4) && (passward==5) && (passward==6) && (passward==7) &&(passward==0) )
{
passward = 17;
passward = 17;
passward = 17;
passward = 17;
passward = 17;
passward = 17;
passward = 17;
passward = 1;
}
else
{
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
}
key_no = 0;
}
}
}
else
{
Key_Vol3 = 0;
}
}
第十二集 复位系统 手敲代码，测试成功
任务一：编写看门狗程序
#include "config.h"
void Delay10ms(void) //@24.000MHz
{
unsigned long edata i;
_nop_();
_nop_();
_nop_();
i = 59998UL;
while (i) i--;
}
void USB_Reset_U(void)
{
P3M0 = 0x00;
P3M1 = 0x00;
P3M0 &= ~0x03;
P3M1 |= 0x03;
USBCON = 0X00;
USBCLK = 0X00;
IRC48MCR = 0X00;
Delay10ms();
}
void Sys_init(void)
{
WTST = 0; //设置程序指令延时参数，赋值为0可将CPU执行指令的速度设置为最快
EAXFR = 1; //扩展寄存器(XFR)访问使能
CKCON = 0; //提高访问XRAM速度
P0M1 = 0x00; P0M0 = 0x00;
P1M1 = 0x00; P1M0 = 0x00;
P2M1 = 0x00; P2M0 = 0x00;
P3M1 = 0x00; P3M0 = 0x00;
P4M1 = 0x00; P4M0 = 0x00;
P5M1 = 0x00; P5M0 = 0x00;
P6M1 = 0x00; P6M0 = 0x00;
P7M1 = 0x00; P7M0 = 0x00;
USB_Reset_U();
}
void Timer0_Init(void) //1毫秒@24.000MHz
{
TM0PS = 0x00; //设置定时器时钟预分频 ( 注意:并非所有系列都有此寄存器,详情请查看数据手册 )
AUXR &= 0x7F; //定时器时钟12T模式
TMOD &= 0xF0; //设置定时器模式
TL0 = 0x30; //设置定时初始值
TH0 = 0xF8; //设置定时初始值
TF0 = 0; //清除TF0标志
TR0 = 1; //定时器0开始计时
ET0 = 1; //使能定时器0中断
}
任务二：软件复位
第十三集 外部中断 手敲代码，测试成功
#include "config.h"
#include "task.h"
#include "io.h"
char *USER_DEVICEDESC = NULL;
char *USER_PRODUCTDESC = NULL;
char *USER_STCISPCMD = "@STCISP#";
void Delay3000ms(void) //@24.000MHz
{
unsigned long edata i;
_nop_();
_nop_();
i = 17999998UL;
while (i) i--;
}
void main(void)
{
Sys_init(); //系统初始化
usb_init(); //USB CDC 接口配置
IE2 |= 0x80; //使能USB中断
Timer0_Init(); //定时器初始化
Init_595();
INT1_Init(); //外部中断1初始化
EA = 1; //IE |= 0X80;
P40 = 0;
while (DeviceState != DEVSTATE_CONFIGURED); //等待USB完成配置
// WDT_CONTR = 0X24;
while(1)
{
if (bUsbOutReady) //如果接收到了数据
{
//USB_SendData(UsbOutBuffer,OutNumber); //发送数据缓冲区，长度（接收数据原样返回, 用于测试）
usb_OUT_done(); //
}
P00 = !P00;
Delay3000ms();
}
}
void Timer0_Isr(void) interrupt 1
{
Task_Marks_Handler_Callback();
}
第十四集IO中断手敲代码
#include "io.h"
u8 State1 = 0; //LED1初始状态
u8 State2 = 0; //LED2初始状态
u8 State3 = 0; //LED3初始状态
u16 Key_Vol ; //按键按下持续时间
u8 SEG_NUM[]=
{
0x3F, /*'0', 0*/
0x06, /*'1', 1*/
0x5B, /*'2', 2*/
0x4F, /*'3', 3*/
0x66, /*'4', 4*/
0x6D, /*'5', 5*/
0x7D, /*'6', 6*/
0x07, /*'7', 7*/
0x7F, /*'8', 8*/
0x6F, /*'9', 9*/
0x77, /*'A', 10*/
0x7C, /*'B', 11*/
0x39, /*'C', 12*/
0x5E, /*'D', 13*/
0x79, /*'E', 14*/
0x71, /*'F', 15*/
0x40, /*'-', 16*/
0x00, /*' ', 17*/
0x80, /*'.', 18*/
};
u8 T_NUM =
{
0X01,0X02,0X04,0X08,0X10,0X20,0X40,0X80
};
void LED0_Blink(void)
{
State1 = !State1;
P00 = State1;
}
void LED1_Blink(void)
{
State2 = !State2;
P01 = State2;
}
void LED2_Blink(void)
{
State3 = !State3;
P02 = State3;
}
void KEY_Task(void)
{
if( P33 == 0 )
{
Key_Vol++;
if( Key_Vol==5 )
{
//按键按下的任务
// printf( "按键单击\r\n" );
USB_Reset_U();
IAP_CONTR = 0X20;
}
}
else
{
Key_Vol = 0;
}
}
/*
#define ROW1 P06 //端口定义
#define ROW2 P07
#define COL1 P00
#define COL2 P01
#define COL3 P02
#define COL4 P03
*/
u8 key_num = 0xff;
//任务1：数码管显示当前的按键号
void Task_1(void)
{
//①第一步：现将P0.0-P0.3输出低电平，P0.6-P0.7输出高电平，如果有按键按下，按下的那一行的IO就会变成低电平，就可以判断出哪一行按下了。
COL1 = 0;
COL2 = 0;
COL3 = 0;
COL4 = 0;
ROW1 = 1;
ROW2 = 1;
if(( ROW1 == 0 ) || ( ROW2 == 0 )) //如果行按键有按下
{
if(( ROW1 ==0 ) && ( ROW2 ==0 )) //如果两行都有按键按下，不处理
{
}
else if((( ROW1 ==1 )&&( ROW2 ==0 )) || (( ROW1 ==0 )&&( ROW2 ==1 ))) //如果有按键按下，而且只有一颗
{
if( ROW1 ==0 ) //判断哪一行，输出行开始的序号
key_num = 0;
else if( ROW2 ==0 )
key_num = 4;
//②第二步：现将P0.0-P0.3输出高电平，P0.6-P0.7输出低电平，如果有按键按下，按下的那一列的IO就会变成低电平，就可以判断出哪一列按下了。
COL1 = 1;
COL2 = 1;
COL3 = 1;
COL4 = 1;
ROW1 = 0;
ROW2 = 0;
if( COL1 ==0 ) //判断哪一列，叠加按键的序号
{
// key_num = key_num ;
}
else if( COL2 ==0 )
{
key_num = key_num + 1;
}
else if( COL3 ==0 )
{
key_num = key_num + 2;
}
else if( COL4 ==0 )
{
key_num = key_num + 3;
}
}
COL1 = 0;
COL2 = 0;
COL3 = 0;
COL4 = 0;
ROW1 = 1;
ROW2 = 1;
}
else
{
key_num = 0xff;
}
//③第三步：行列组合一下就可以判断出是哪个按键按下了。
}
void Init_595(void)
{
HC595_SER = 0;
HC595_RCK = 0;
HC595_SCK = 0;
}
void Send_595( u8 dat )
{
u8 i;
for( i=0;i<8;i++ )
{
dat <<= 1; //DAT = (DAT<<1); //CY
HC595_SER = CY; //先把数据写到引脚上
HC595_SCK = 1; //输出上升沿的时钟信号
HC595_SCK = 0;
}
}
void Display_Seg(u8 HC595_1,u8 HC595_2)
{
Send_595(HC595_1); //数码管段码输出高电平点亮
Send_595(HC595_2); //数码管位码 低电平点亮
HC595_RCK = 1; //数据输出
HC595_RCK = 0;
}
//void SEG_Task(void)
//{
// if( key_num == 255 )
// Display_Seg( SEG_NUM , ~T_NUM); //数码管刷段码和位码
// else
// Display_Seg( SEG_NUM , ~T_NUM); //数码管刷段码和位码
//}
u8 passward = { 16,16,16,16,16,16,16,16 };
u8 Seg_no = 0;
void SEG_Task(void)
{
u8 num = 0;
if( Seg_no ==0 ) //小时十位
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==1 ) //小时的个位
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==2 ) //第一个横杠
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==3 ) //分钟的十位
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==4 )
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==5 )
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==6 )
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else if( Seg_no ==7 )
{
Display_Seg( SEG_NUM] , ~T_NUM); //数码管刷段码和位码
}
else
{
}
Seg_no ++;
if( Seg_no>7 )
Seg_no=0;
}
u8 Key_Vol3 = 0;
u8 key_no =0 ;
void PW_write_Task(void)
{
if( key_num <0xff )
{
Key_Vol3 ++;
if( Key_Vol3 == 5 )
{
if( key_no == 0 )
{
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
}
passward[ key_no] = key_num ;
key_no ++;
// passward = 17;
if( key_no == 8 ) //密码输入到了八位
{
if((passward==1) && (passward==2) && (passward==3) && (passward==4) && (passward==5) && (passward==6) && (passward==7) &&(passward==0) )
{
passward = 17;
passward = 17;
passward = 17;
passward = 17;
passward = 17;
passward = 17;
passward = 17;
passward = 1;
}
else
{
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
passward = 16;
}
key_no = 0;
}
}
}
else
{
Key_Vol3 = 0;
}
}
//void INT1_Init(void)
//{
// IT1 = 1; //下降沿中断
// EX1 = 1; //打开中断允许
// EA = 1; //打开总中断
//}
//void INT_ISR(void) interrupt 2
//{
// P01 = !P01;
//}
void P3_IO_Init(void)
{
P3IM0 = 0X00; //IO中断模式设置为下降沿
P3IM1 = 0X00;
P3INTE= 0X08; //打开中断
}
void P3_IO_ISR(void) interrupt 40
{
u8 intf;
intf = P3INTF;
if( intf )
{
P3INTF = 0;
if (intf & 0x08) //判断是否是P33按钮按下
{
P01 = !P01;
}
}
}
第十五集定时器做计数器代码手敲测试成功
任务一定时器1计数程序
主程序
#include "tim.h"
u32 Count_T1 = 0;
void TIM1_Count_Init(void)
{
T1_CT = 1;
T1_M1 = 0;
T1_M0 = 0;
T1_GATE = 0;
TH1 = (65536-Count_num)>>8; //65526
TL1 = (65536-Count_num);
P3PU |= 0x20;
TR1 = 1;
ET1 = 1;
}
void Timer1_Isr(void) interrupt 3 //Î
{
Count_T1 ++;
}
void T1_RunTask(void)
{
u32 count_th_t1=0;
count_th_t1= ((u16)TH1 << 8) + (u16)TL1;
count_th_t1-= 65526;
SEG7_ShowLong(Count_T1*Count_num+count_th_t1,10);
}
任务2 ：编写INT1测量低电平时间（由按键模拟信号，100us的计数周期计数）
#include "tim.h"
u32 Count_T1 = 0;
//void TIM1_Count_Init(void)
//{
// T1_CT = 1;
// T1_M1 = 0;
// T1_M0 = 0;
// T1_GATE = 0;
//
// TH1 = (65536-Count_num)>>8; //65526
// TL1 = (65536-Count_num);
//
// P3PU |= 0x20;
// TR1 = 1;
// ET1 = 1;
//
//}
//void Timer1_Isr(void) interrupt 3
//{
// Count_T1 ++;
//}
//void T1_RunTask(void)
//{
// u32 count_th_tl = 0;
// count_th_tl = ((u16)TH1 << 8) + (u16)TL1;
// count_th_tl -= 65526;
//
// SEG7_ShowLong(Count_T1*Count_num+count_th_tl,10);
//}
void Timer1_Isr(void) interrupt 3
{
static u32 count_p33 = 0;
if( P33 == 0 )
{
count_p33 ++ ;
}
else
{
if( count_p33>0 )
{
Count_T1 = count_p33;
}
count_p33 =0;
}
}
void Timer1_Init(void)
{
AUXR &= 0xBF;
TMOD &= 0x0F;
TL1 = 0x38;
TH1 = 0xFF;
TF1 = 0;
TR1 = 1;
ET1 = 1;
}
void T1_RunTask(void)
{
SEG7_ShowString("%07.01f",((float)Count_T1)/10);
}
第十六集 串口的简单应用
#include "usart.h"
#include "io.h"
u8 Rec_Dat;
u8 Rec_Num = 0;
void Uart2_Isr(void) interrupt 8
{
if (S2CON & 0x02)
{
S2CON &= ~0x02;
}
if (S2CON & 0x01)
{
S2CON &= ~0x01;
Rec_Dat = S2BUF;
}
}
void Uart2_Init(void) //9600bps@24.000MHz
{
P_SW2 |= 0x01; //UART2/USART2: RxD2(P4.6), TxD2(P4.7)
S2CON = 0x50;
AUXR |= 0x04;
T2L = 0x8F;
T2H = 0xFD;
AUXR |= 0x10;
IE2 |= 0x01;
Rec_Num = 0;
}
void Usart2_RunTask(void)
{
if( Rec_Num >=6 )
{
if(( Rec_Dat == '\n' )&&( Rec_Dat == '\r' ))
{
if( ( Rec_Dat == 'O' )&&( Rec_Dat == 'P' )&&( Rec_Dat == 'E' )&&( Rec_Dat == 'N' ) )
{
passward = 16;
passward = 16;
passward = 16;
passward = 16;
}
else if( ( Rec_Dat == 'C' )&&( Rec_Dat == 'L' )&&( Rec_Dat == 'O' )&&( Rec_Dat == 'S' )&&( Rec_Dat == 'E' ) )
{
passward = 17;
passward = 17;
passward = 17;
passward = 17;
}
Rec_Num = 0;
}
}
}
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