第十二集 复位系统 已手敲代码,测试通过
任务一:编写看门狗程序
代码如下:
- #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_int(); //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();
- 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(); //
- }
- Task_Pro_Handler_Callback(); //执行功能函数
- if( P33 !=0 )
- WDT_CONTR =0X34;
-
- }
- }
-
- void Timer0_Isr(void) interrupt 1 //1MS执行一次
- {
- Task_Marks_Handler_Callback(); //系统计时
- }
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任务二:软件复位
代码如下:
- #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[8] =
- {
- 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 = 0X60;
- }
- }
- 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; //先把数据写在引脚上
- 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[17], ~T_NUM[0]);
- // else
- // Display_Seg( SEG_NUM[key_num], ~T_NUM[0]);
- //}
-
- u8 passward[8] = {16,16,16,16,16,16,16,16};
-
- u8 Seg_no =0;
- void SEG_Task(void)
- {
- u8 num=0;
- if(Seg_no==0)
- {
- Display_Seg( SEG_NUM[passward[0]], ~T_NUM[0]); //数码管刷段码和位码
- }
- else if(Seg_no==1)
- {
- Display_Seg( SEG_NUM[passward[1]], ~T_NUM[1]); //数码管刷段码和位码
- }
- else if(Seg_no==2) //第一个横杠
- {
- Display_Seg( SEG_NUM[passward[2]], ~T_NUM[2]); //数码管刷段码和位码
- }
- else if(Seg_no==3)
- {
- Display_Seg( SEG_NUM[passward[3]], ~T_NUM[3]); //数码管刷段码和位码
- }
- else if(Seg_no==4)
- {
- Display_Seg( SEG_NUM[passward[4]], ~T_NUM[4]); //数码管刷段码和位码
- }
- else if(Seg_no==5) //第二个横杠
- {
- Display_Seg( SEG_NUM[passward[5]], ~T_NUM[5]); //数码管刷段码和位码
- }
- else if(Seg_no==6)
- {
- Display_Seg( SEG_NUM[passward[6]], ~T_NUM[6]); //数码管刷段码和位码
- }
- else if(Seg_no==7) //秒钟的个位
- {
- Display_Seg( SEG_NUM[passward[7]], ~T_NUM[7]); //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_n0 = 0;
-
- void PW_write_Task(void)
- {
- if( key_num <0xff )
- {
- Key_Vol3++;
- if(Key_Vol3== 5 )
- {
- // if(key_num ==0 )
- // {
- // passward[0] = 16;
- // passward[1] = 16;
- // passward[2] = 16;
- // passward[3] = 16;
- // passward[4] = 16;
- // passward[5] = 16;
- // passward[6] = 16;
- // passward[7] = 16;
- // }
- passward[ key_n0 ] = key_num;
- key_n0 ++;
- // passward[7] = 17;
- if( key_n0 == 8) //密码输入到了八位
- {
- if((passward[0]==1)&&(passward[1]==2)&&(passward[2]==3)&&(passward[3]==4)&&(passward[4]==5)&&(passward[5]==6)&&(passward[6]==7)&&(passward[7]==0))
- {
- passward[0] = 17;
- passward[1] = 17;
- passward[2] = 17;
- passward[3] = 17;
- passward[4] = 17;
- passward[5] = 17;
- passward[6] = 17;
- passward[7] = 1;
- }
- else
- {
- passward[0] = 16;
- passward[1] = 16;
- passward[2] = 16;
- passward[3] = 16;
- passward[4] = 16;
- passward[5] = 16;
- passward[6] = 16;
- passward[7] = 16;
- }
- key_n0 = 0;
- }
-
- }
- }
- else
- {
- Key_Vol3= 0;
- }
- }
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