/*
 * 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 "fsl_debug_console.h"
#include "board.h"
#include "fsl_adc16.h"

#include "pin_mux.h"
#include "clock_config.h"
/*******************************************************************************
 * Definitions
 ******************************************************************************/
#define DEMO_ADC16_BASE ADC0
#define DEMO_ADC16_CHANNEL_GROUP 0U
#define DEMO_ADC16_USER_CHANNEL 2U

/*******************************************************************************
 * Prototypes
 ******************************************************************************/

/*******************************************************************************
 * Variables
 ******************************************************************************/

/*******************************************************************************
 * Code
 ******************************************************************************/
/*!
 * @brief Main function
 */
int main(void)
{
    adc16_config_t adc16ConfigStruct;
    adc16_channel_config_t adc16ChannelConfigStruct;

    BOARD_InitPins();
    BOARD_BootClockRUN();
    BOARD_InitDebugConsole();

    PRINTF("\r\nADC16 polling Example.\r\n");

    /*
     * adc16ConfigStruct.referenceVoltageSource = kADC16_ReferenceVoltageSourceVref;
     * adc16ConfigStruct.clockSource = kADC16_ClockSourceAsynchronousClock;
     * adc16ConfigStruct.enableAsynchronousClock = true;
     * adc16ConfigStruct.clockDivider = kADC16_ClockDivider8;
     * adc16ConfigStruct.resolution = kADC16_ResolutionSE12Bit;
     * adc16ConfigStruct.longSampleMode = kADC16_LongSampleDisabled;
     * adc16ConfigStruct.enableHighSpeed = false;
     * adc16ConfigStruct.enableLowPower = false;
     * adc16ConfigStruct.enableContinuousConversion = false;
     */
    ADC16_GetDefaultConfig(&adc16ConfigStruct);
    ADC16_Init(DEMO_ADC16_BASE, &adc16ConfigStruct);
    ADC16_EnableHardwareTrigger(DEMO_ADC16_BASE, false); /* Make sure the software trigger is used. */
#if defined(FSL_FEATURE_ADC16_HAS_CALIBRATION) && FSL_FEATURE_ADC16_HAS_CALIBRATION
    if (kStatus_Success == ADC16_DoAutoCalibration(DEMO_ADC16_BASE))
    {
        PRINTF("ADC16_DoAutoCalibration() Done.\r\n");
    }
    else
    {
        PRINTF("ADC16_DoAutoCalibration() Failed.\r\n");
    }
#endif /* FSL_FEATURE_ADC16_HAS_CALIBRATION */
    PRINTF("Press any key to get user channel's ADC value ...\r\n");

    adc16ChannelConfigStruct.channelNumber = DEMO_ADC16_USER_CHANNEL;
    adc16ChannelConfigStruct.enableInterruptOnConversionCompleted = false;
#if defined(FSL_FEATURE_ADC16_HAS_DIFF_MODE) && FSL_FEATURE_ADC16_HAS_DIFF_MODE
    adc16ChannelConfigStruct.enableDifferentialConversion = false;
#endif /* FSL_FEATURE_ADC16_HAS_DIFF_MODE */

    while (1)
    {
        GETCHAR();
        /*
         When in software trigger mode, each conversion would be launched once calling the "ADC16_ChannelConfigure()"
         function, which works like writing a conversion command and executing it. For another channel's conversion,
         just to change the "channelNumber" field in channel's configuration structure, and call the
         "ADC16_ChannelConfigure() again.
        */
        ADC16_SetChannelConfig(DEMO_ADC16_BASE, DEMO_ADC16_CHANNEL_GROUP, &adc16ChannelConfigStruct);
        while (0U == (kADC16_ChannelConversionDoneFlag &
                      ADC16_GetChannelStatusFlags(DEMO_ADC16_BASE, DEMO_ADC16_CHANNEL_GROUP)))
        {
        }
        PRINTF("ADC Value: %d\r\n", ADC16_GetChannelConversionValue(DEMO_ADC16_BASE, DEMO_ADC16_CHANNEL_GROUP));
    }
}
