AI8051U库函数打卡
一、IO模式和传统外部中断1、主要代码
#include <AI8051U.H>
#include "set_int.h"
#include "set_io.h"
#include "intrins.h"
void Delay1ms(void) //@40MHz
{
unsigned long edata i;
_nop_();
_nop_();
_nop_();
i = 9998UL;
while (i) i--;
}
void main(void)
{
//初始化部分
EAXFR = 1;
CKCON = 0;
WTST= 0;
set_io_mode(pu_mode,Pin40,Pin00,Pin01,Pin02,Pin03,Pin_End);
P40=0;
//set_io_mode(pp_mode,Pin40,Pin00,Pin01,Pin_End);
set_io_mode(hz_mode,Pin32,Pin33,Pin34,Pin35,Pin_End);
set_io_mode(en_pur,Pin32,Pin33,Pin34,Pin35,Pin_End);
Delay1ms();
//set_io_mode(dis_pur,Pin32,Pin33,Pin_End);
//set_io_mode(en_pur,Pin33,Pin32,Pin_End);
set_int_mode(falling_edge_mode,Int0,Int1,Int_End);
EA = 1;
while (1)
{
//循环执行部分
if (get_int_state (Int0))
{
P00 = ~P00;
}
if (get_int_state (Int1))
{
P01 = ~P01;
}
P02=P34;
P03=P35;
}
}
2、学习截图
600
二、IO都支持外部中断
1、学习截图
实验箱短路帽接法如下:
2、主要代码
#include <AI8051U.H>
#include "io_int.h"
#include "set_io.h"
#include "set_uart.h"
void main(void)
{
EAXFR = 1;//拓展寄存器访问使能
CKCON = 0;//设置访问片内扩展的xdata部分速度为最快
WTST = 0;//设置取程序代码不等待,以最快速度运行
//初始化程序
//按下P32按键,按下P33按键,通过串口打印出识别到的上升沿/下降沿
set_io_mode(hz_mode, Pin32, Pin33,Pin36,Pin_End);
//设置P32和P33为高阻输入模式
set_io_mode(en_pur, Pin32, Pin33,Pin36, Pin_End);
//设置P32和P33内部的4K上拉电阻打开
set_io_mode(pp_mode, Pin37, Pin_End);
//将串口发送脚P37设置为推挽输出,抗干扰
set_ioint_mode(falling_edge_mode,Pin32,Pin_End);
//设置P32为下降沿中断
//set_ioint_mode(up_edge_mode,Pin32,Pin_End);
//设置P32为上降沿中断
//set_ioint_mode(low_level_mode,Pin32,Pin_End);
//设置P32为低电平中断
//set_ioint_mode(high_level_mode,Pin32,Pin_End);
//设置P32为高电平中断
set_ioint_mode(rising_edge_mode,Pin33,Pin_End);
//设置P33为上升沿中断
set_ioint_mode(en_int,Pin32,Pin33,Pin_End);
//同时打开P32和P33的io中断
//set_ioint_mode(dis_int,Pin32,Pin33,Pin_End);
//同时关闭P32和P33的io中断
set_uart_mode(Uart1, "115200bps",Use_Timer2, Base_8b,"64byte",Uart1_P36_7,Uart_End);
//设置串口1为115200bps的波特率,使用定时器2作为串口波特率发生器
//超时中断长度选择64byte,引脚切换到P36、P37上
EA=1;
while(1)
{
if(get_ioint_state(Pin32))
{
uart_printf(Uart1,"P32 Click\r\n");
}
if(get_ioint_state(Pin33))
{
uart_printf(Uart1,"P33 Click\r\n");
}
}
}
第三集 24位定时器
1、学习截图
608
2、主要代码
#include <AI8051U.H>
#include "set_io.h"
#include "set_timer.h"
void main(void)
{
EAXFR = 1;
CKCON = 0;
WTST = 0;
set_io_mode( pu_mode, Pin40, Pin00, Pin01, Pin02, Pin03, Pin04, Pin05, Pin_End);
P40 = 0;
set_timer_mode(Timer0, "0.5s", Timer_End);
set_timer_mode(Timer1, "100000hz", En_OutClk, Dis_Int, Timer_End);
set_timer_mode(Timer2, "200ms", Timer_End);
set_timer_mode(Timer3, "10hz", Timer_End);
set_timer_mode(Timer4, "2s", Timer_End);
set_timer_mode(Timer11, "300ms", Timer_End);
EA = 1;
while(1)
{
if(get_timer_state(Timer0))
{
P00 = ~P00;
}
if(get_timer_state(Timer2))
{
P02 = ~P02;
}
if(get_timer_state(Timer3))
{
P03 = ~P03;
}
if(get_timer_state(Timer4))
{
P04 = ~P04;
set_timer_mode(Timer4, Dis_Int, Timer_End);
}
if(get_timer_state(Timer11))
{
P05 = ~P05;
}
}
}
第四集 串口部分库函数
1、学习截图
实验箱这边要拨断,否则出不来现象。
2、主要代码
#include <AI8051U.H>
#include "io_int.h"
#include "set_io.h"
#include "set_uart.h"
#include "stdio.h"
int num = 0;
char str = {'a','b','c','d','e'};
void main(void)
{
EAXFR = 1;
CKCON = 0;
WTST = 0;
set_io_mode(pu_mode,Pin36,Pin37,Pin42,Pin43,Pin_End);
set_uart_mode(Uart1, "115200bps", Uart1_P36_7, Use_Timerx, Uart_End);
set_uart_mode(Uart2, Uart2_P42_3, "9600bps", Use_Timerx, Uart_End);
set_io_mode(hz_mode, Pin34, Pin_End);
set_io_mode(en_pur, Pin34, Pin_End);
set_ioint_mode(falling_edge_mode, Pin34, Pin_End);
set_ioint_mode(en_int, Pin34, Pin_End);
EA = 1;
while(1)
{
if(get_ioint_state(Pin34))
{
uart_printf(Uart1, "uart1,hello!\r\n");
uart_printf(Uart2, "uart2,hello!\r\n");
}
if(get_uart_state(Uart1))
{
sscanf(_uart1_rx_buff, "num:%d", &num);
uart_printf(Uart1, "this_num:%d\r\n",num);
uart_printf(Uart2, Buff_Mode, str, 5);
}
}
}
第五集 ADC部分库函数
1、学习截图
2、主要代码
#include <AI8051U.H>
#include "set_adc.h"
#include "set_io.h"
#include "set_timer.h"
#include "set_uart.h"
void main(void)
{
EAXFR = 1;
CKCON = 0;
WTST = 0;
set_io_mode(pu_mode,Pin36,Pin37,Pin_End);
set_timer_mode(Timer0, "0.5s", Dis_OutClk, En_Int, Timer_End);
set_uart_mode(Uart1, "115200bps", Uart1_P36_7, Uart_End);
set_adc_mode(cycl_mode, Adc0_P10, Adc_End);
EA = 1;
while(1)
{
if(get_timer_state(Timer0))//0.5sÖ´ÐÐÒ»´Î
{
if(get_adc_state(Adc0_P10))
{
uart_printf(Uart1, "adc_dat:%d\r\n",adc_value);
}
}
}
}
页:
[1]