MSP430, CCS, Gpio Interrupt

MSP430,  CCS, Gpio Interrupt

※ msp430.h 를 사용하는 소스입니다.

0. 참고 자료

•  http://coyoteugly.tistory.com/170  [ driverlib.h 사용 ]

출처: http://coyoteugly.tistory.com/185 [마이콤 개발자를 위한 여행]

0. 참고 자료

• http://e2e.ti.com/support/microcontrollers/msp430/f/166/p/305555/1064109
• [MSP430FR6989 DataSheet] / http://www.ti.com/lit/ds/symlink/msp430fr6989.pdf
• [MSP430FR6xx User's Guide] / http://www.ti.com/lit/ug/slau367o/slau367o.pdf
  

1. 소스 설명

Port_1 또는 PORT1_ISR 인터럽트 함수를  통해 동작됩니다.

full 소스는 아래 github를 통해 확인하세요.

#include <msp430.h> #if 1 #pragma vector = PORT1_VECTOR __interrupt void Port_1(void) {     if (P1IFG & BIT1)     {         P1IFG &= ~BIT1;                       //Clear Pin 1.1 flag         P1OUT ^= BIT0;                   // Toggle P1.0     } } #else // next isr is working well #pragma vector = PORT1_VECTOR __interrupt void PORT1_ISR(void) {     switch(__even_in_range(P1IV, P1IV_P1IFG7))     {         case P1IV_NONE : break;         case P1IV_P1IFG0 : break;         case P1IV_P1IFG1 :             P1OUT ^= BIT0;                   // Toggle P1.0             break;         case P1IV_P1IFG3 : break;         case P1IV_P1IFG4 : break;         case P1IV_P1IFG5 : break;         case P1IV_P1IFG6 : break;         case P1IV_P1IFG7 : break;     } } #endif void main(void) {     // ....     P1DIR |= BIT0;                  // Set P1.0 to output direction     P1DIR &= ~BIT1;                 // Set P1.1 to input     P1REN |= BIT1;                  // Enable internal pull-up/down resistors     P1OUT |= BIT1;                  //Select pull-up mode for P1.1     P1IES |= BIT1;                  //Have flag set on High to Low     P1IE = BIT1;                    //enable interrupts for Pin 1.1     P1IFG &= ~BIT1;                 //Clear Pin 1.1 flag     _BIS_SR(LPM0_bits + GIE);          // Enter LPM0 w/ interrupt }

2. 소스

• https://github.com/sglee0223/msp430/tree/master/GpioInterrupt

3. 결과