《8051U深度入门到32位51大型实战视频》，打卡
第三集：擎天柱点亮LED灯，测试通过：1，编译图片：
2，学习图片：
3，源代码：
#include "ai8051u.h" //调用头文件
void main(void)
{
P2M0 = 0; //P2端口(P20-P27)为准双向口
P2M1 = 0;
while(1)
{
P20 = 0; //P20端口输出0V
P21 = 0; //P21端口输出0V
}
}
第四集:
擎天柱USB-CDC 不停电下载，测试通过：
1，编译图片：
2，学习图片：
3，源代码：
#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; //B7位写1，使能访问XFR
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);
usb_OUT_done();
}
P20 = 0;
P22 = 0;
}
}
第五集：擎天柱 C语言基础已学习，测试通过：
1，编译图片：
2，源代码：
#include "AI8051U.h"
#include "AI_usb.h"
#define u8unsigned char
#define u16 unsigned int
u8 X = 66;
u8 Y = 6;
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");
}
usb_OUT_done();
}
}
}
第六集：擎天柱IO输入输出，测试通过：
1，编译图片：
2，源代码：
#include "AI8051U.h"
#include "AI_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;
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();
}
//按一下灯亮，按一下灯灭
if( P32 == 0 ) //判断P32按钮是否按下
{
Delay20ms();
if( P32 == 0 )
{
state = !state;
P20 = state;
printf("state:%d\r\n",(int)state);
while( P32 == 0 ); //等待P32松开
}
}
}
}
第7集 擎天柱定时器中断，测试通过：
1，编译图片：
2，学习图片：
3，源代码：
#include "AI8051U.h"
#include "AI_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) //@24.000MHzDelay20ms();
{
unsigned long edata i;
_nop_();
_nop_();
i = 119998UL;
while (i) i--;
}
void Timer0_Init(void); //3秒@24.000MHz //函数声明
void main(void)
{
int count=1; //按键计数变量
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）
usb_OUT_done(); //
}
if( P32 == 0 )
{
Delay20ms(); //延时20ms消抖
if( P32 == 0 )
{
P20 = 0;
Timer0_Init();
while( P32 == 0 );
}
}
//
//任务：救护车灯控制器
if( P32 == 0 )
{
Delay20ms(); //延时20ms消抖
if( P32 == 0 )
{
Run_State = !Run_State; //运行状态取反
if( Run_State==1 )
{
Timer0_Init();
}
else
{
TR0 = 0;
P20 = 1;
P21 = 1;
}
while( P32 == 0 );
}
}
}
}
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 //3秒执行一次
{
state = !state;
P20 = state;
P21 = !state;
}
第8集 擎天柱定时器周期性调度任务，测试通过：
1，编译图片：
2，学习图片：
3，源代码：
#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_int(); //系统初始化
usb_init();
IE2 |= 0x80;
Timer0_Init (); //定时器初始化
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();
}
Task_Pro_Handler_Callback(); //执行功能函数
}
}
void Timer0_Isr(void) interrupt 1 //3秒执行一次
{
Task_Marks_Handler_Callback();
}
第9集：擎天柱虚拟接口显示,测试通过：
1，编译图片：
2，学习图片：
3，源代码：
#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_int(); //系统初始化
usb_init();
IE2 |= 0x80;
Timer0_Init (); //定时器初始化
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();
}
Task_Pro_Handler_Callback(); //执行功能函数
}
}
void Timer0_Isr(void) interrupt 1 //3秒执行一次
{
Task_Marks_Handler_Callback();
}
第10集：擎天柱虚拟LED,数码管，键盘：
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