TI CCS IDE轻松玩转MSP430

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

//   Write a Word to Port A (Port1+Port2)

//

//   Writes a Word(FFFFh) to Port A and stays in LPM4

//   ACLK = 32.768kHz, MCLK = SMCLK = default DCO

//

//  Tested On: MSP430FR4133

//             -----------------

//         /|\|                 |

//          | |                 |

//          --|RST          PA.x|-->HI

//            |                 |

//            |                 |

//

//

//   This example uses the following peripherals and I/O signals.  You must

//   review these and change as needed for your own board:

//   - GPIO Port peripheral

//

//   This example uses the following interrupt handlers.  To use this example

//   in your own application you must add these interrupt handlers to your

//   vector table.

//   - None.

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

#include "driverlib.h"



void main (void)

{

    //Stop WDT

    WDT_A_hold(WDT_A_BASE);



    //PA.x output

    GPIO_setAsOutputPin(

        GPIO_PORT_PA,

        GPIO_PIN0 + GPIO_PIN1 + GPIO_PIN2 + GPIO_PIN3 +

        GPIO_PIN4 + GPIO_PIN5 + GPIO_PIN6 + GPIO_PIN7 +

        GPIO_PIN8 + GPIO_PIN9 + GPIO_PIN10 + GPIO_PIN11 +

        GPIO_PIN12 + GPIO_PIN13 + GPIO_PIN14 + GPIO_PIN15

        );





    //Set all PA pins HI

    GPIO_setOutputHighOnPin(



        GPIO_PORT_PA,

        GPIO_PIN0 + GPIO_PIN1 + GPIO_PIN2 + GPIO_PIN3 +

        GPIO_PIN4 + GPIO_PIN5 + GPIO_PIN6 + GPIO_PIN7 +

        GPIO_PIN8 + GPIO_PIN9 + GPIO_PIN10 + GPIO_PIN11 +

        GPIO_PIN12 + GPIO_PIN13 + GPIO_PIN14 + GPIO_PIN15

        );



    PMM_unlockLPM5();



    //Enter LPM4 w/interrupts enabled

    __bis_SR_register(LPM4_bits + GIE);



    //For debugger

    __no_operation();

}