Langage C msp430

msp430-addr2line  msp430-elfedit    msp430-ld         msp430-ranlib

msp430-ar         msp430-g++        msp430-ld.bfd     msp430-readelf

msp430-as         msp430-gcc        msp430mcu-config  msp430-size

msp430-c++        msp430-gcc-4.6.3  msp430-nm         msp430-strings

msp430-c++filt    msp430-gcov       msp430-objcopy    msp430-strip

msp430-cpp        msp430-gprof      msp430-objdump    

#include "msp430.h"

#define EXIT_SUCCESS   0

#define RED_LED  BIT0

#define GREEN_LED  BIT6

#define BUTTON   BIT3

void no_wdt(void)

{

    // Disable WDT

    WDTCTL = WDTPW + WDTHOLD; // watchdog timer setup

}

void init_gpio()

{

    // P1.0 and 1.6 as outputs and leds off

    P1DIR |=   RED_LED + GREEN_LED;

    P1OUT &= ~(RED_LED + GREEN_LED);

    // Button as input, output high for pullup, and pullup on

    P1DIR &= ~BUTTON;

    P1OUT |=  BUTTON;

    P1REN |=  BUTTON;

}

int main()

{

    no_wdt();

    init_gpio();

/* boucle infinie */

    while(1)

    {

        /* Flashing green led once in main program loop */

 P1OUT ^= GREEN_LED;

 __delay_cycles(100000);

        P1OUT ^= GREEN_LED;

        __delay_cycles(100000);

    }

    return EXIT_SUCCESS;

}

 msp430-gcc -mmcu=msp430g2553 -02 -Wall -S main.c

  .file "main.c"

 .arch msp430g2553

 .cpu 430

 .mpy none

 .text

 .p2align 1,0

.global no_wdt

 .type no_wdt,@function

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

 * Function `no_wdt' 

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

no_wdt:

 push r4

 mov r1, r4

 add #2, r4

 mov #23168, &__WDTCTL

 pop r4

 ret

.Lfe1:

 .size no_wdt,.Lfe1-no_wdt

;; End of function 

 .p2align 1,0

.global init_gpio

 .type init_gpio,@function

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

 * Function `init_gpio' 

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

init_gpio:

 push r4

 mov r1, r4

 add #2, r4

 mov.b &__P1DIR, r15

 bis.b #65, r15

 mov.b r15, &__P1DIR

 mov.b &__P1OUT, r15

 and.b #llo(-66), r15

 mov.b r15, &__P1OUT

 mov.b &__P1DIR, r15

 and.b #llo(-9), r15

 mov.b r15, &__P1DIR

 mov.b &__P1OUT, r15

 bis.b #8, r15

 mov.b r15, &__P1OUT

 mov.b &__P1REN, r15

 bis.b #8, r15

 mov.b r15, &__P1REN

 pop r4

 ret

.Lfe2:

 .size init_gpio,.Lfe2-init_gpio

;; End of function 

 .section .init9,"ax",@progbits

 .p2align 1,0

.global main

 .type main,@function

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

 * Function `main' 

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

main:

 mov r1, r4

 add #2, r4

 call #no_wdt

 call #init_gpio

.L6:

 mov.b &__P1OUT, r15

 xor.b #64, r15

 mov.b r15, &__P1OUT

 mov #llo(-32204), r15

.L4:

 dec r15

 cmp #0, r15

 jne .L4

 nop

 nop

 mov.b &__P1OUT, r15

 xor.b #64, r15

 mov.b r15, &__P1OUT

 mov #llo(-32204), r15

.L5:

 dec r15

 cmp #0, r15

 jne .L5

 nop

 nop

 jmp .L6

.LIRD0:

.Lfe3:

 .size main,.Lfe3-main

;; End of function 

#include "msp430.h"

#define EXIT_SUCCESS   0

#define RED_LED  BIT0

#define GREEN_LED  BIT6

#define BUTTON   BIT3

void no_wdt(void)

{

    // Disable WDT

    WDTCTL = WDTPW + WDTHOLD; // watchdog timer setup

}

void init_gpio()

{

    // P1.0 and 1.6 as outputs and leds off

    P1DIR |=   RED_LED + GREEN_LED;

    P1OUT &= ~(RED_LED + GREEN_LED);

    // Button as input, output high for pullup, and pullup on

    P1DIR &= ~BUTTON;

    P1OUT |=  BUTTON;

    P1REN |=  BUTTON;

}

int main()

{

    no_wdt();

    init_gpio();

/* boucle infinie */

    while(1)

    {

        /* Flashing green led once in main program loop */

 P1OUT ^= GREEN_LED;

 __delay_cycles(100000);

        P1OUT ^= GREEN_LED;

        __delay_cycles(100000);

    }

    return EXIT_SUCCESS;

}