//★★★★★★★★★Use of MCU I/O port★★★★★★★★★★★\\
//MCU model: PIC16F877A
//Function description: Make the RC0 port light flash
#include
__CONFIG(0XF73A); //Chip configuration word
void delay(); //delay function declaration
//==============================================================================
//Function: main function
//Function name: void main()
void main() //Main function
{
TRISC=0X00; //Port C is defined as outputwhile
(1) //Infinite loop, let the port C running light work all the time
{
PORTC=0X01; //Let the RC0 port light flash on and off
delay(); //Delay, ensure brightness and time so that the naked eye can see the phenomenon
PORTC=0X00;
delay();
}
}
//=================================================================================
//Function function: delay function
//Function name: void delay()
void delay() //Delay subroutine
{
int i; //Define integer variable
for(i=0x65535;i>0;i--)
{;} //Empty function, does not execute anything, just consumes a certain amount of time
}
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