擎天柱学习：《8051U深度入门到32位51大型实战教学视频》，打卡
擎天柱学习记录，第3集：点亮LED灯#include "ai8051u.h" //调用头文件
//注意：擎天柱的LED端口在P2，且没有三极管的电源控制，所以只要控制P2端口即可
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
}
}
擎天柱学习记录，第4集：USB不停电下载
程序如下：
#include "ai8051u.h" //调用头文件
#include "stc32_stc8_usb.h" //调用头文件
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(); //USB CDC 接口配置
IE2 |= 0x80; //使能USB中断
EA = 1; //IE |= 0X80;
while (DeviceState != DEVSTATE_CONFIGURED); //等待USB完成配置
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();
}
P20 = 0; //P00端口输出0V
P22 = 0; //P02端口输出0V
}
}
擎天柱学习记录，第5集：C语言基础
程序如下：
#include "ai8051u.h" //调用头文件
#include "stc32_stc8_usb.h" //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 X = 200;
u8 Y = 10;
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(); //USB CDC 接口配置
IE2 |= 0x80; //使能USB中断
EA = 1; //IE |= 0X80;
while (DeviceState != DEVSTATE_CONFIGURED); //等待USB完成配置
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）
if( X && Y ) //如果条件为真，输出什么
{
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(); //
}
}
}
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