《8051U深度入门到32位51大型实战教学视频》学习打卡
第3集已学习，已手敲代码，测试通过#include "ai8051u.h"
void main(void)
{
P0M0 = 0X00;
P0M1 =0X00;
P4M0 =0X00;
P4M1 = 0X00;
while(1)
{
P20 = 0;
P00 = 0;
P01 = 0;
}
}
第4集已学习，已手敲代码，测试通过
main.c 代码
#include "ai8051u.h"
#include "stc32_stc8_usb.h"
char *USER_DEVICEDESC = NULL;
char *USER_PRODUCTDESC = NULL;
char *USER_STCISPCMD = "@STCISP#";
void main(void)
{
P_SW2 |= 0x80;
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_init();
IE2 |= 0x80;
EA = 1;
while (DeviceState != DEVSTATE_CONFIGURED);
while(1)
{
if (bUsbOutReady)
{
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();
}
P40 = 0;
P00 = 0;
P01 = 0;
}
}
第5集已学习，已手敲代码，测试通过
main.c 代码
#include "ai8051u.h"
#include "stc32_stc8_usb.h"
#define u8unsigned char
#define u16 unsigned int
u8 X = 200;
u8 Y = 0;
char *USER_DEVICEDESC = NULL;
char *USER_PRODUCTDESC = NULL;
char *USER_STCISPCMD = "@STCISP#";
void main(void)
{
P_SW2 |= 0x80;
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_init();
IE2 |= 0x80;
EA = 1;
while (DeviceState != DEVSTATE_CONFIGURED);
while(1)
{
if (bUsbOutReady)
{
//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）
if(X<Y)
{
printf("条件为真\r\n");
}
else
{
printf("条件为假\r\n");
}
// printf("X / Y = %u\r\n",(u16)(X/Y));
//
// printf("X %% Y = %u\r\n",(u16)(X%Y));
usb_OUT_done();
}
// P40 = 0;
// P00 = 0;
// P01 = 0;
}
}
第6集已学习，已手敲代码，测试通过
main.c 代码
#include "ai8051u.h"
#include "stc32_stc8_usb.h"
#include "intrins.h"
#define u8unsigned char
#define u16 unsigned int
u8 state=0;
char *USER_DEVICEDESC = NULL;
char *USER_PRODUCTDESC = NULL;
char *USER_STCISPCMD = "@STCISP#";
void Delay20ms(void) //@24.000MHz
{
unsigned long edata i;
_nop_();
_nop_();
i = 119998UL;
while (i) i--;
}
void main(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_init();
IE2 |= 0x80;
EA = 1;
P40 = 0;
while (DeviceState != DEVSTATE_CONFIGURED);
while(1)
{
if (bUsbOutReady)
{
//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）
// printf("X / Y = %u\r\n",(u16)(X/Y));
//
// printf("X %% Y = %u\r\n",(u16)(X%Y));
usb_OUT_done();
}
// if(P32 == 0)
// {
// P00 =0;
// }
// else
// {
// P00 =1;
// }
// if(P32 == 0)
// {
// P00 =1;
// }
// else
// {
// P00 =0;
// }
if(P32 == 0)
{
Delay20ms();
if(P32 == 0)
{
state =!state;
P00 =state;
printf("state:%d\r\n",(int)state);
while(P32 == 0);
}
}
}
}
第7集已学习，已手敲代码，测试通过
任务一：LED灯三秒取反一次，这期间任意时刻按下按钮，串口打印按键次数
任务二：灯按一下，点亮3秒后熄灭
任务三：救护车灯控制器
main.c代码
#include "ai8051u.h"
#include "stc32_stc8_usb.h"
#include "intrins.h"
#define u8unsigned char
#define u16 unsigned int
u8 state=0;
u8 Run_State=0; //运行状态
char *USER_DEVICEDESC = NULL;
char *USER_PRODUCTDESC = NULL;
char *USER_STCISPCMD = "@STCISP#";
void Delay20ms(void) //@24.000MHz
{
unsigned long edata i;
_nop_();
_nop_();
i = 119998UL;
while (i) i--;
}
void Timer0_Init(void);
void main(void)
{
int count = 1;
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_init();
IE2 |= 0x80;
// Timer0_Init ();
EA = 1;
P40 = 0;
while (DeviceState != DEVSTATE_CONFIGURED);
while(1)
{
if (bUsbOutReady)
{
//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）
// printf("X / Y = %u\r\n",(u16)(X/Y));
//
// printf("X %% Y = %u\r\n",(u16)(X%Y));
usb_OUT_done();
}
//任务一：
// if(P32 == 0)
// {
// Delay20ms();
// if(P32 == 0)
// {
// state =!state;
// P00 =state;
// printf("按键按下次数\xfd:%d次\r\n",(int)count);
// count++;
// while(P32 == 0);
// }
// }
// 任务二：
// if(P32 == 0)
// {
// Delay20ms();
// if(P32 == 0)
// {
// state =!state;
// P00 =state;
//// printf("按键按下次数\xfd:%d次\r\n",(int)count);
//// count++;
// P00 = 0;
// Timer0_Init ();
// while(P32 == 0);
// }
// }
//任务三：
if(P32 == 0)
{
Delay20ms();
if(P32 == 0)
{
state =!state;
P00 =state;
Run_State=!Run_State;//运行状态取反
if(Run_State==1) //运行
{
Timer0_Init ();
}
else
{
TR0 =0; //关闭定时器
P00 =1;
P01 =1;
}
// P00 = 0;
// Timer0_Init ();
while(P32 == 0);
}
}
}
}
//void Timer0_Init(void) //3秒@24.000MHz
//{
// TM0PS = 0x5B; //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 = 0x3F; //设置定时初始值
// TH0 = 0x01; //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
//}
//TM0PS = 91
//12T /12
//ET0-TL0=319
void Timer0_Init(void) //500毫秒@24.000MHz
{
TM0PS = 0x0F; //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 = 0xDC; //设置定时初始值
TH0 = 0x0B; //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
}
void Timer0_Isr(void) interrupt 1
{
state =!state;
P00 =state;
P01 =!state;
}
第8集已学习，已手敲代码，测试通过
手敲代码：
io.c
#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;
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)
{
printf("按键单击\r\n");
}
}
else
{
Key_Vol = 0;
}
}
第9集已学习，已手敲代码，测试通过
任务一：数码管静态显示一个数字
任务二：数码管显示12345678
任务三：显示时钟
任务四：擎天柱，虚拟显示
IO.C 程序
#include "io.h"
u8 SEG_MUM[]=
{
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_MUM=
{
0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
};
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;
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)
// {
// printf("按键单击\r\n");
// }
// }
// else
// {
// Key_Vol = 0;
// }
}
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;
HC595_SER = CY;
HC595_SCK = 1;
HC595_SCK = 0;
}
}
void Display_Seg(u8 HC595_1, u8 HC595_2)
{
Send_595(HC595_1);
Send_595(HC595_2);
HC595_RCK = 1;
HC595_RCK = 0;
}
u8 Seg_no = 0;
u8 shi=0;
u8 fen=0;
u8 miao =0;
void Seg_task(void)
{
u8 num = 0;
if(Seg_no==0)
{
num = shi/10;
Display_Seg( SEG_MUM , ~T_MUM); //数码管刷新断码和位码
}
else if(Seg_no==1)
{
num = shi%10;
Display_Seg( SEG_MUM , ~T_MUM); //数码管刷新断码和位码
}
else if(Seg_no==2)
{
Display_Seg( SEG_MUM , ~T_MUM); //数码管刷新断码和位码
}
else if(Seg_no==3)
{
num = fen/10;
Display_Seg( SEG_MUM , ~T_MUM); //数码管刷新断码和位码
}
else if(Seg_no==4)
{
num = fen%10;
Display_Seg( SEG_MUM , ~T_MUM); //数码管刷新断码和位码
}
else if(Seg_no==5)
{
Display_Seg( SEG_MUM , ~T_MUM); //数码管刷新断码和位码
}
else if(Seg_no==6)
{
num = miao/10;
Display_Seg( SEG_MUM , ~T_MUM); //数码管刷新断码和位码
}
else if(Seg_no==7)
{
num = miao%10;
Display_Seg( SEG_MUM , ~T_MUM); //数码管刷新断码和位码
}
else
{
}
Seg_no ++;
if(Seg_no>7)
Seg_no=0;
}
void TIMECOUNT_task(void)
{
miao ++;
if(miao>59)
{
miao = 0;
fen++;
if(fen>59)
{
fen = 0;
shi ++;
if(shi>23)
shi = 0;
}
}
}
u8 state_now = 0;
void PLED_40(void)
{
// u8 cod;
// cod = 0x0f; //开启P0-P3
// cod = 0x01;
// cod = 0x01;
// cod = T_MUM;
// cod = 0x01;
// LED40_SendData(cod,5);
//
// P2 = T_MUM;
// state_now++;
// if(state_now>7)
// state_now=0;
// u8 cod;
// cod = 0x0f; //开启P0-P3
// cod = T_MUM;
// cod = 0x01;
// cod = 0x01;
// cod = 0x01;
// LED40_SendData(cod,5);
//
// P0 = T_MUM;
// state_now++;
// if(state_now>7)
// state_now=0;
}
void SEG_PC(void)
{
u8 cod;
cod= SEG_MUM;
cod= SEG_MUM;
cod=SEG_MUM; //数码管刷新断码和位码
cod= SEG_MUM;
cod= SEG_MUM;
cod=SEG_MUM; //数码管刷新断码和位码
cod= SEG_MUM;
cod= SEG_MUM;
SEG7_ShowCode(cod);
}
第10集已学习，已手敲代码，测试通过
任务1：P2口流水灯，P10闪烁
任务2:左边数码管显示P32按下次数。右边数码管显示P33按下次数
任务3:按下数字按键在数码管显示对应的按键数字!
IO.C 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;
u16 Key_Vol_2;
void LED0_Blink(void)
{
State1 = !State1;
P00 = State1;
}
void LED1_Blink(void)
{
State2 = !State2;
P01 = State2;
}
//printf("按键单击\r\n");
void LED2_Blink(void)
{
State3 = !State3;
P02 = State3;
}
u16 KEY1_COUNT = 0;//P32按钮计数
u16 KEY2_COUNT = 0;//P33按钮计数
voidKEY_Task(void)
{
if(P32 == 0)
{
Key_Vol ++;
if(Key_Vol == 5)
{
KEY1_COUNT++;
}
}
else
{
Key_Vol = 0;
}
if(P33 == 0)
{
Key_Vol_2 ++;
if(Key_Vol_2 == 5)
{
KEY2_COUNT++;
}
}
else
{
Key_Vol_2 = 0;
}
}
u8 P2_STATE = 0X01;
u8 P10_STATE = 0;
//P2口流水灯，P10闪烁
//---------------p2端口流水灯-------------
voidTASK_1(void)
{
LED40_SetPort(2,~P2_STATE); //点亮P20端口
P2_STATE =(P2_STATE<<1);
if( P2_STATE == 0)
P2_STATE=1;
//---------------p10端口闪烁-------------
if(P10_STATE == 0)
LED40_SetBit(1,0);
else
LED40_ClrBit(1,0);
P10_STATE =!P10_STATE;
}
//---------------任务2:左边数码管显示P32按下次数。右边数码管显示P33按下次数-------------------
u32 KEY_Count = 0;
void TASK_2(void)
{
KEY_Count = KEY1_COUNT *10000 + KEY2_COUNT;
SEG7_ShowLong(KEY_Count,10);
}
//--------------任务3:按下数字按键在数码管显示对应的按键数字!--------------
u32 REC_NUM =0;
void TASK_3(void)
{
SEG7_ShowLong(REC_NUM,10);
}
第11集已学习，已手敲代码，测试通过
任务1:数码管显示当前的按键号
IO.C 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 = 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)
{
//按键按下的任务
printf("按键单击\r\n");
}
}
else
{
Key_Vol=0;
}
}
//#define ROW1P06
//#define ROW2 P07
//#define COL1 P00
//#define COL2 P01
//#define COL3 P02
//#define COL4 P03
//任务1:数码管显示当前的按键号
//按键识别原理:端口默认为高电平，实时读取到引脚为低电平是表示按下。
u8 Key_num = 0xff;
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; //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); //数码管位码输出低电平点亮
HC595_RCK = 1; //数据输出
HC595_RCK = 0;
}
void SEG_Task(void)
{
if(Key_num==255)
Display_Seg(SEG_NUM,~T_NUM); //数码管刷新段码和位码
else
Display_Seg(SEG_NUM,~T_NUM); //数码管刷新段码和位码
}
任务二.输入密码12345670，若最后显示1则密码正确，反之出现横杠则密码错误。
IO.C 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 = 0;
u8Seg_no = 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)
{
//按键按下的任务
printf("按键单击\r\n");
}
}
else
{
Key_Vol=0;
}
}
//#define ROW1P06
//#define ROW2 P07
//#define COL1 P00
//#define COL2 P01
//#define COL3 P02
//#define COL4 P03
//任务1:数码管显示当前的按键号
//按键识别原理:端口默认为高电平，实时读取到引脚为低电平是表示按下。
u8 Key_num = 0xff;
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; //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); //数码管位码输出低电平点亮
HC595_RCK = 1; //数据输出
HC595_RCK = 0;
}
//void SEG_Task(void)
//{
// if(Key_num==255)
// Display_Seg(SEG_NUM,~T_NUM); //数码管刷新段码和位码
// else
// Display_Seg(SEG_NUM,~T_NUM); //数码管刷新段码和位码
//}
u8 password={16,16,16,16,16,16,16,16};
void SEG_Task(void)
{
u8 num=0;
if(Seg_no==0)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==1)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==2)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==3)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==4)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==5)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==6)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==7)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else
{
}
Seg_no ++;
if(Seg_no>7)
Seg_no=0;
}
u8Key_Vol3 = 0;
u8Key_no = 0;
void PV_write_Task(void)
{
if(Key_num<0xff)
{
Key_Vol3++;
if(Key_Vol3==5)
{
if(Key_no==0)
{
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
}
password=Key_num;
Key_no++;
//password=17;
if(Key_no==8) //密码输入到了八位
{
if((password==1)&&(password==2)&&(password==3)&&(password==4)&&(password==5)&&(password==6)&&(password==7)&&(password==0))
{
password=17;
password=17;
password=17;
password=17;
password=17;
password=17;
password=17;
password=1;
}
else
{
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
}
Key_no=0;
}
}
}
else
{
Key_Vol3=0;
}
}
第12集已学习，已手敲代码，测试通过
任务一：硬件复位：看门狗复位，按住P33，0.5s以上系统复位
2.定时器程序代码：
#include "config.h"
void Delay10ms(void) //@24MHz
{
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;
ET0 =1;
//定时器0开始计时
}
任务二：软件复位：
IAP_CONTR = 0X60复位后进入下载模式 ;
IAP_CONTR = 0X20复位后从头开始运行用户程序 ;
IO.C 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 = 0;
u8Seg_no = 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(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 ROW1P06
//#define ROW2 P07
//#define COL1 P00
//#define COL2 P01
//#define COL3 P02
//#define COL4 P03
//任务1:数码管显示当前的按键号
//按键识别原理:端口默认为高电平，实时读取到引脚为低电平是表示按下。
u8 Key_num = 0xff;
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; //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); //数码管位码输出低电平点亮
HC595_RCK = 1; //数据输出
HC595_RCK = 0;
}
//void SEG_Task(void)
//{
// if(Key_num==255)
// Display_Seg(SEG_NUM,~T_NUM); //数码管刷新段码和位码
// else
// Display_Seg(SEG_NUM,~T_NUM); //数码管刷新段码和位码
//}
u8 password={16,16,16,16,16,16,16,16};
void SEG_Task(void)
{
u8 num=0;
if(Seg_no==0)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==1)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==2)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==3)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==4)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==5)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==6)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else if(Seg_no==7)
{
Display_Seg(SEG_NUM],~T_NUM);
}
else
{
}
Seg_no ++;
if(Seg_no>7)
Seg_no=0;
}
u8Key_Vol3 = 0;
u8Key_no = 0;
void PV_write_Task(void)
{
if(Key_num<0xff)
{
Key_Vol3++;
if(Key_Vol3==5)
{
if(Key_no==0)
{
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
}
password=Key_num;
Key_no++;
//password=17;
if(Key_no==8) //密码输入到了八位
{
if((password==1)&&(password==2)&&(password==3)&&(password==4)&&(password==5)&&(password==6)&&(password==7)&&(password==0))
{
password=17;
password=17;
password=17;
password=17;
password=17;
password=17;
password=17;
password=1;
}
else
{
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
password=16;
}
Key_no=0;
}
}
}
else
{
Key_Vol3=0;
}
}
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