任务一：P2口流水灯，P10闪烁
476
任务二：左边数码管显示P32按下次数, 右边数码管显示P33按下次数
477
任务3：按下数字按键在数码管显示对应的数字按键
478
第十一集矩阵按键
任务一：数码管显示当前按键
497
#include "io.h"
u8 State1=0;
u8 State2=0;
u8 State3=0;
u16 Key_Vol=0;
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;
}
voidKey_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;
}
}
u8 key_num = 0xff;
//任务1：数码管显示当前的按键号
void Task_1(void)
{
COL1 = 0;
COL2 = 0;
COL3 = 0;
COL4 = 0;
ROW1 = 1;
ROW2 = 1;
if((ROW1 == 0)||(ROW2== 0))//或
{
if((ROW1 == 0)&&(ROW2== 0))//与
{
}
else if(((ROW1 == 1)&&(ROW2== 0))||((ROW1 == 0)&&(ROW2== 1)))
{
if (ROW1 ==0)
key_num = 0;
else if (ROW2 ==0)
key_num = 4;
COL1 = 1;
COL2 = 1;
COL3 = 1;
COL4 = 1;
ROW1 = 0;
ROW2 = 0;
if(COL1 ==0)
{
// 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 ;
}
}
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);
Send_595(HC595_2);
HC595_RCK= 1; //数据输出
HC595_RCK= 0;
}
void SEG_Task(void)
{
if(key_num==255)
Display_seg(SEG_NUM,~T_NUM);
else
Display_seg(SEG_NUM,~T_NUM);
}
第十一集矩阵按键
任务二：密码锁
496
#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=0;
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)
{
printf("按键单击\r\n");
}
}
else
{
Key_Vol=0;
}
}
u8 key_num=0xff;
void Task_1(void)
{
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)))//如果有单颗按键按下
{
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;
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;
}
}
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;
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); //数码管位码输出低电平点亮
HC595_RCK = 1; //数据输出
HC595_RCK = 0;
}
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); //数码管刷新段码和位码
}
else if(Seg_no==1) //小时个位
{
Display_Seg(SEG_NUM],~T_NUM); //数码管刷新段码和位码
}
else if(Seg_no==2) //第一个横杠
{
Display_Seg(SEG_NUM],~T_NUM); //数码管刷新段码和位码
}
else if(Seg_no==3) //分钟十位
{
Display_Seg(SEG_NUM],~T_NUM); //数码管刷新段码和位码
}
else if(Seg_no==4) //分钟个位
{
Display_Seg(SEG_NUM],~T_NUM); //数码管刷新段码和位码
}
else if(Seg_no==5) //第二个横杠
{
Display_Seg(SEG_NUM],~T_NUM); //数码管刷新段码和位码
}
else if(Seg_no==6) //秒钟十位
{
Display_Seg(SEG_NUM],~T_NUM); //数码管刷新段码和位码
}
else if(Seg_no==7) //秒钟个位
{
Display_Seg(SEG_NUM],~T_NUM); //数码管刷新段码和位码
}
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_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
任务一：编写看门狗程序| 硬件复位
按下P33键进行复位
附手敲代码：
void main(void)
{
Sys_init();
usb_init();
IE2 |= 0x80;
Timer0_Init();
Init_595();
EA = 1;
P40 = 0;
while (DeviceState != DEVSTATE_CONFIGURED);
WDT_CONTR = 0X24;
while(1)
{
if (bUsbOutReady)
{
//USB_SendData(UsbOutBuffer,OutNumber);
usb_OUT_done();
}
Task_Pro_Handler_Callback();
if( P33 != 0 )
WDT_CONTR = 0X34;
}
}
void Timer0_Isr(void) interrupt 1 //1MS执行一次
{
Task_Marks_Handler_Callback();
}
任务二：软件复位
按下P33键，进入下载模式
附手敲代码：#include "config.h"
#include "task.h"
#include "io.h"
char *USER_DEVICEDESC = NULL;
char *USER_PRODUCTDESC = NULL;
char *USER_STCISPCMD = "@STCISP#";
void main(void)
{
Sys_init();
usb_init();
IE2 |= 0x80;
Timer0_Init();
Init_595();
EA = 1;
P40 = 0;
while (DeviceState != DEVSTATE_CONFIGURED); //等待USB完成配置
WDT_CONTR = 0X24;
while(1)
{
if (bUsbOutReady)
{
//USB_SendData(UsbOutBuffer,OutNumber);
usb_OUT_done();
}
Task_Pro_Handler_Callback();
WDT_CONTR = 0X34;
}
}
void Timer0_Isr(void) interrupt 1 //1MS执行一次
{
Task_Marks_Handler_Callback();
}
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
任务一：编写IO口中断程序
void P3_IO_Init(void)
{
P3IM0 = 0X00;
P3IM1 = 0X00;
P3INTE = 0X08;
}
void P3_IO_ISR(void) interrupt 40
{
u8 intf;
intf = P3INTF;
if( intf )
{
P3INTF = 0;
if( intf & 0x08 )
{
P01 = !P01;
}
}
}
任务二：编写P4端口的I0中断 打断 P3低电平中断的的程序
void P4_IO_Init(void)
{
P4IM0 = 0X00;
P4IM1 = 0Xff;
P4INTE= 0X80;
PINIPH|= (1<<4);
PINIPL|= (1<<4);
}
void P4_IO_ISR(void) interrupt 41
{
u8 intf;
intf = P4INTF;
if( intf )
{
P4INTF = 0;
if( intf & 0x80 )
{
passward = 2;
}
}
}
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