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/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* 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 Freescale 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
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
*/
#include <stdio.h>
#include "board.h"
#include "gpio_pins.h"
#include "gpio_imx.h"
#include "gpio_ctrl.h"
#include "debug_console_imx.h"
/* button relevent variables */
static uint8_t keyPressCount;
static uint8_t keyPressCountOld;
/******************************************************************************
*
* Function Name: main
* Comments: Hello World Example with GPIO.
* This example include:
* Configure BUTTON1 as GPIO functionality
* and check the button's state(pressed or released). According to the Button
* status, copy it to the LED
*
******************************************************************************/
int main(void)
{
/* hardware initialiize, include RDC, IOMUX, Uart debug initialize */
hardware_init();
PRINTF("\n\r\n\r\n\r");
PRINTF("=======================================================\n\r");
PRINTF("================= GPIO Bank 2 Example =================\n\r");
PRINTF("===== Change the Led Status according to the Key ======\n\r");
PRINTF("=======================================================\n\r");
/* GPIO module initialize, configure "LED" as output and button as interrupt mode. */
GPIO_Ctrl_Init();
keyPressCount = 0;
keyPressCountOld = 0;
/* Initialize enviroments and led status */
keyPressCount = GPIO_Ctrl_GetKey(BOARD_GPIO_SWITCH1_CONFIG);
keyPressCountOld = keyPressCount;
GPIO_Ctrl_WriteLed(BOARD_GPIO_LED1_CONFIG, BOARD_GPIO_LED1_RDC_PDAP, keyPressCount);
PRINTF("================== Hello World GPIO ===================\n\r");
while(true)
{
/* wait for user change button leve */
keyPressCount = GPIO_Ctrl_GetKey(BOARD_GPIO_SWITCH1_CONFIG);
/* If button change, than print and update LED */
if(keyPressCount != keyPressCountOld)
{
keyPressCountOld = keyPressCount;
GPIO_Ctrl_WriteLed(BOARD_GPIO_LED1_CONFIG, BOARD_GPIO_LED1_RDC_PDAP, keyPressCount);
PRINTF("================== keyPressCount = %d ==================\n\r", keyPressCount);
}
}
}
/*******************************************************************************
* EOF
******************************************************************************/
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