/***********************************************************************************************************************
* DISCLAIMER
* This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products.
* No other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all
* applicable laws, including copyright laws. 
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* INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR
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* of this software. By using this software, you agree to the additional terms and conditions found by accessing the 
* following link:
* http://www.renesas.com/disclaimer
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* Copyright (C) 2011, 2021 Renesas Electronics Corporation. All rights reserved.
***********************************************************************************************************************/

/***********************************************************************************************************************
* File Name    : r_cg_adc.c
* Version      : CodeGenerator for RL78/G12 V2.04.06.02 [08 Nov 2021]
* Device(s)    : R5F103AA
* Tool-Chain   : CCRL
* Description  : This file implements device driver for ADC module.
* Creation Date: 2024/5/18
***********************************************************************************************************************/

/***********************************************************************************************************************
Includes
***********************************************************************************************************************/
#include "r_cg_macrodriver.h"
#include "r_cg_adc.h"
/* Start user code for include. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
#include "r_cg_userdefine.h"

/***********************************************************************************************************************
Pragma directive
***********************************************************************************************************************/
/* Start user code for pragma. Do not edit comment generated here */
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/***********************************************************************************************************************
Global variables and functions
***********************************************************************************************************************/
/* Start user code for global. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */

/***********************************************************************************************************************
* Function Name: R_ADC_Create
* Description  : This function initializes the AD converter.
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/
void R_ADC_Create(void)
{    
    ADCEN = 1U;  /* supply AD clock */
    ADM0 = _00_AD_ADM0_INITIALVALUE;  /* disable AD conversion and clear ADM0 register */
    ADMK = 1U;  /* disable INTAD interrupt */
    ADIF = 0U;  /* clear INTAD interrupt flag */
    /* Set INTAD low priority */
    ADPR1 = 1U;
    ADPR0 = 1U;
    /* The reset status of ADPC is analog input, so it's unnecessary to set. */
    /* Set ANI0 - ANI3 pin as analog input */
    PM2 |= 0x0FU;
    ADM0 = _08_AD_CONVERSION_CLOCK_32 | _00_AD_TIME_MODE_NORMAL_1 | _00_AD_OPERMODE_SELECT;
    ADM1 = _80_AD_TRIGGER_HARDWARE_NOWAIT | _00_AD_CONVMODE_CONSELECT | _00_AD_TRIGGER_INTTM01;
    ADM2 = _00_AD_POSITIVE_VDD | _00_AD_NEGATIVE_VSS | _00_AD_AREA_MODE_1 | _00_AD_RESOLUTION_10BIT;          
    ADUL = _FF_AD_ADUL_VALUE;
    ADLL = _00_AD_ADLL_VALUE;
    ADS = _01_AD_INPUT_CHANNEL_1;
    ADCE = 1U;  /* enable AD comparator */
}

/***********************************************************************************************************************
* Function Name: R_ADC_Start
* Description  : This function starts the AD converter.
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/
void R_ADC_Start(void)
{
    ADIF = 0U;  /* clear INTAD interrupt flag */
    ADMK = 0U;  /* enable INTAD interrupt */
    ADCS = 1U;  /* enable AD conversion */
}

/***********************************************************************************************************************
* Function Name: R_ADC_Stop
* Description  : This function stops the AD converter.
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/
void R_ADC_Stop(void)
{
    ADCS = 0U;  /* disable AD conversion */
    ADMK = 1U;  /* disable INTAD interrupt */
    ADIF = 0U;  /* clear INTAD interrupt flag */
}

/***********************************************************************************************************************
* Function Name: R_ADC_Set_OperationOn
* Description  : This function enables comparator operation.
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/
void R_ADC_Set_OperationOn(void)
{
    ADCE = 1U;  /* enable AD comparator */
}

/***********************************************************************************************************************
* Function Name: R_ADC_Set_OperationOff
* Description  : This function stops comparator operation.
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/
void R_ADC_Set_OperationOff(void)
{
    ADCE = 0U;  /* disable AD comparator */
}

/***********************************************************************************************************************
* Function Name: R_ADC_Get_Result
* Description  : This function returns the conversion result in the buffer.
* Arguments    : buffer -
*                    the address where to write the conversion result
* Return Value : None
***********************************************************************************************************************/
void R_ADC_Get_Result(uint16_t * const buffer)
{
    *buffer = (uint16_t)(ADCR >> 6U);
}

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