CC2530————Interrupt mode control LED lights

the definition #include "ioCC2530.h" // references the header file that contains the CC2530 registers, interrupt vectors, etc.
/ ********************************************************** *******************************************/

#define LED1 P1_0 // P1_0 is defined as P1.0
#define SW1 P1_2 // P1_2 is defined as SW1

/*********************************************************************

• Function name: init

• Function: Initialize the system IO, so that the P1_2 pin can accept and process interrupts

• Entry parameters: none

• Export parameters: none

• Return value: None
  ************************************************ **********************/
  void init()
  {//P1SEL &=~0x3D; // Set LED1 and SW1 as ordinary IO ports
  P1DIR |= 0x39 ; // Set LED1 as output
  P1DIR &= ~0x04; //Sw1 button is at P1.2, set as input
  P1 &= ~0x39;
  PICTL &= ~0x02; //Configure the interrupt edge of port P1 as rising edge generation Interrupt
  P1IEN |= 0x04; //Enable P1.2 interrupt
  IEN2 |= 0x10; //Enable P1 port interrupt

  EA = 1; //Enable global interrupt
  )

/*********************************************************************

• Function name: EINT_ISR
• Function: external interrupt service function
• Entry parameters: none
• Export parameters: none
• Return value: None
  ************************************************ ********************* /
  #pragma vector=P1INT_VECTOR
  __interrupt void P1_INT(void)
  { EA = 0; // Close the global interrupt /
  
  if it is generated by P1.2 Interrupt*/
  if(P1IFG & 0x04)
  { LED1=!LED1; P1IFG &= ~0x04; // Clear P1.2 interrupt flag } EA = 1; // Enable global interrupt }
  
  
  
  
  

/*********************************************************************

• Function name: main
• Function: main function entrance
• Entry parameters: none
• Export parameters: none
• Return value: None
  ************************************************ **********************/
  void main(void)
  { init(); //Call the initialization function while(1) { } }