擎天柱学习：《8051U深度入门到32位51大型实战教学视频》，打卡
第三集：擎天柱点亮LED灯，测试通过：
源代码如下：
#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：
测试代码如下：#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;
}
}
擎天柱 第五集 C语言基础 已手敲代码测试成功
#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();
}
}
}
擎天柱 第六集 IO口输入输出 已手敲代码测试成功
代码如下：#include "ai8051u.h"
#include "stc32_stc8_usb.h"
#include "intrins.h"
#define u8 unsigned char
#define u16 unsigned int
u8 state =0;
char *USER_DEVICEDESC = NULL;
char *USER_PRODUCTDESC = NULL;
char *USER_STCISPCMD = "@STCISP#";
void Delay20us(void) //@24.000MHzDelay20us();
{
unsigned long edata i;
_nop_();
_nop_();
_nop_();
i = 118UL;
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）
usb_OUT_done();
}
// //任务1：按下P32按钮灯亮，松开P32按钮灯灭；
// if( P32 == 0)
// {
// P00 =0;
// }
// else
// {
// P00 =1;
// }
// //任务2：按下P32按钮灯灭，松开P32按钮灯亮；
// if( P32 == 0)
// {
// P00 =1;
// }
// else
// {
// P00 =0;
// }
//任务3：按一下灯亮，按一下灯灭；
if( P32 == 0)
{
Delay20us();
if( P32 == 0)
{
state = !state;
P00 =state;
printf("state %d\r\n",(int)state);
while(P32 == 0 );
}
}
}
}
擎天柱 第七集 定时器中断 已手敲代码测试通过
#include "ai8051u.h" //调用头文件
#include "stc32_stc8_usb.h" //调用头文件
#include "intrins.h" //d调用头文件
#define u8unsigned char //8位无符号变量（0-255）
#define u16 unsigned int //16位无符号变量（0-65535）
u8 state = 0; //初始状态
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;
WTST = 0;
EAXFR = 1;
CKCON = 0;
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();
if( P32 == 0 )
{
P20 = 0;
Timer0_Init();
while( P32 == 0 );
}
}
if( P32 == 0 )
{
Delay20ms();
if( P32 == 0 )
{
Run_State = !Run_State;
if( Run_State==1 )
{
Timer0_Init();
}
else
{
TR0 = 0;
P20 = 1;
P21 = 1;
}
while( P32 == 0 );
}
}
}
}
第8集 定时器周期性调度任务 已手敲代码测试完成
代码如下：
#include "config.h"
#include "task.h"
#include "io.h"
u8 State1 = 0;
u8 State2 = 0;
u8 State3 = 0;
u8 State={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
u8 i;
u8 Run_State = 0;
u16 Key_Vol= 0;
u8 num = 0;
u16 Count_ms = { 0,0,0 };
char *USER_DEVICEDESC = NULL;
char *USER_PRODUCTDESC = NULL;
char *USER_STCISPCMD = "@STCISP#";
void Delay10ms(void) //@24.000MHz
{
unsigned long edata i;
_nop_();
_nop_();
_nop_();
i = 59998UL;
while (i) i--;
}
void main(void)
{
int count=1;
Sys_init();
usb_init();
IE2 |= 0x80;
Timer0_Init();
EA = 1;
P40 = 0;
while (DeviceState != DEVSTATE_CONFIGURED);
while(1)
{
if (bUsbOutReady)
{
//USB_SendData(UsbOutBuffer,OutNumber); ）
usb_OUT_done();
}
Task_Pro_Handler_Callback();
P0 = ~State[ num ];
}
}
void Timer0_Isr(void) interrupt 1
{
Task_Marks_Handler_Callback();
}
第9集：擎天柱，虚拟接口显示——LED和数码管已手敲代码测试完成
#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();
}
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