CC2530 External Interrupt Controlled LED Light Switch-EEWORLD

Collect

Experimental requirements

Code

#include "ioCC2530.h"

#define D3 P1_0

#define D4 P1_1

#define D5 P1_3

#define D6 P1_4

//delay function

void Delay(unsigned int t)

{

while(t--);

}

//Port initialization function

void Init_Prot()

{

//Configure the engine with 4 LED lights

//Select port function

P1SEL &=~0x1B;//Set general io port

//Configure the direction of the port

P1DIR |=0x1B;

//Turn off the LED light

P1 &=~0x1B;

}

//Initialization of external interrupt port 1

void Init_INTP1()

{

//Clear the external interrupt flag bit

P1IFG = 0x00;

//Enable P1 port group interrupt

IEN2 |=0x10;

//Enable P1 pin interrupt P1_2

P1IEN |=0x04;

//Select the trigger type of the external interrupt signal

PICTL |=0x02;

//Turn on and enable the total interrupt

EA = 1;

}

#pragma vector = P1INT_VECTOR //Start statement

//interrupt service function

__interrupt void Service_INTP1()

{

//Handle external interrupt

if((P1IFG &0x04)==0x04)

{

D5 =~D5;

}

//Clear the index of the register to zero

P1IFG = 0x00; //Clear the pin first

P1IF = 0x00; //Clear the port group again

}

void main(void)

{

//Port initialization

Init_Prot();

Init_INTP1();

while(1)

{

D4 = 1;

Delay(60000);

D4 = 0;

Delay(60000);

}

Keywords：CC2530 Reference address：CC2530 External Interrupt Controlled LED Light Switch

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