/*
* Copyright 2016-2020 NXP
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
*   of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of NXP Semiconductor, Inc. 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
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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*/

/**
* @file    test_11_09.c
* @brief   Application entry point.
*/
#include <stdio.h>
#include "board.h"
#include "peripherals.h"
#include "pin_mux.h"
#include "clock_config.h"
#include "LPC802.h"
#include "fsl_debug_console.h"
/* TODO: insert other include files here. */
#define LED (9)                 // RED LED
#define BUTTON_USER1 (8)     //Blue LED
#define GREEN (12)  // Green LED

/* TODO: insert other definitions and declarations here. */

void delay(void);

/*
* @brief   Application entry point.
*/
int main(void) {

       /* Init board hardware. */
    BOARD_InitBootPins();
    BOARD_InitBootClocks();
    BOARD_InitBootPeripherals();
       /* Init FSL debug console. */
    BOARD_InitDebugConsole();

    PRINTF("Hello World\n");

    SYSCON->SYSAHBCLKCTRL0 |= SYSCON_SYSAHBCLKCTRL0_GPIO0_MASK;
             //SET data direction to output
    GPIO->DIRCLR[0] = (1UL <<BUTTON_USER1); //make pin 8 input

    GPIO->DIRSET[0] = (1UL <<LED);   //make pin 9 output
    GPIO->DIRSET[0] = (1UL << GREEN);

    //Before the loop turn both OFF
    GPIO->CLR[0]=(1UL << LED);    //turn RED LED OFF
    GPIO->CLR[0]=(1UL << GREEN); // Turn GREEN LED OFF


    /* Force the counter to be placed into memory. */
    volatile static int i = 0 ;
    /* Enter an infinite loop, just incrementing a counter. */
    while(1) {

        /*Check if pin 8 is pushed */
        if ( GPIO->B[0][BUTTON_USER1] & 1)    // is it high
        {//Turn LED ON
             //PRINTF("P8 is high  and LED(9) is ON\n");
             GPIO->SET[0] = (1UL << LED);  // Turn RED LED OFF
             delay();
             GPIO->NOT[0]=(1UL<<GREEN);  //Blink (complement)GREEN LED
        }
        else
        {
             //PRINTF("P8 is low  and (12) is ON\n");
             delay();
             GPIO->NOT[0]=(1UL<<LED);    // Blink RED
             GPIO->SET[0]=(1UL<<GREEN); //Turn OFF Green
        }
    }
    return 0 ;
}

void delay(void) {
       int a=0;
       for(a=0; a < 200000; a++);
       asm("NOP");
}