gpio_ex1_outputHi.c

Go to the documentation of this file.

/* --COPYRIGHT--,BSD
 * Copyright (c) 2017, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * --/COPYRIGHT--*/
//******************************************************************************
//   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();
}