/*!
 * \file      adc.c
 *
 * \brief     Target adc implementation
 *
 * \copyright Revised BSD License, see section \ref LICENSE.
 *
 * \code
 *
 *            _  __ _       ________    _     
 *           | |/ /(_)___  / ____/ /_  (_)___ 
 *           |   // / __ \/ /   / __ \/ / __ \
 *          /   |/ / / / / /___/ / / / / /_/ /
 *         /_/|_/_/_/ /_/\____/_/ /_/_/ .___/ 
 *                                   /_/      
 *           (C) 2022-2025 XinChip
 *
 * \endcode
 *
 * \author     ( XinChip ) Alex-J
 *
 * \author     ( XinChip )
 */

/*-----------------------------------------------------------------------------------
                                   INCLUDE HEADE FILES
 ------------------------------------------------------------------------------------*/
#include "adc.h"
#include "xc_drv_adc.h"
#include "xc_drv_systick.h"
#include "main.h"
/*------------------------------------------------------------------------------------
                                        Macros
 -------------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------------
                                     Global Variables
 -------------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------------
                                        Functions
 -------------------------------------------------------------------------------------*/
/**
 * @brief       adc_demo
 * @details     Sampling once per second with 3.3v reference voltage
 * @param       void 
 * @retval      void     
 */
  
void adc_demo(void)
{
    DEBUG("__ADC_DEMO__\r");
    
    uint16_t integer;
    uint16_t decimal;
    uint16_t adc_val;
	  uint16_t adc_2v48_param;
	  uint16_t after_calibrat_adc_val;
    ADC_InitCfg_t adc_cfg ;
	  
	  /*----- Special Read the 2.48 v calibration value -----*/
	  /*<       If the content of the parameter 
	  storage area is invalid, the default assignment is 10000 >*/
	  if(false == xc_adc_2v4_calibrate_read(&adc_2v48_param))
		{
		    adc_2v48_param = 10000;
		}	
	
    /*----- Special Pin -----*/
    /*< The SWD and SWCK pins can also be used as ADC pins. 
    Pay attention to the function remapping of the PIN pins. >*/

    adc_cfg.Freq          = ADC_FREQ_2M;
    adc_cfg.RefVol        = ADC_REF_VOL_2_48V;
    adc_cfg.SampEdge      = ADC_SAMPEDGE_RISE;
    adc_cfg.ExtDataMode   = ADC_EXT_DATA_MODE_32BIT;
    adc_cfg.ExtEdgeSel    = ADC_EXT_EDGE_SEL_INTER;
    adc_cfg.ExtSampleNum  = ADC_EXT_SAMPLE_NUM_8;
    adc_cfg.ExtTriggerSel = ADC_EXT_TRIGGER_SEL_PWM0;  
    
    xc_adc_init(&adc_cfg);
      
    while(1)
    {  
      
       xc_adc_start_get_value( ADC_CH5_PIN1 ,&adc_val); 
         
        if(adc_cfg.RefVol == ADC_REF_VOL_3_3V)
        {           
            integer = ((adc_val)*ADV_REF_VOLT_3_3V*100)/(1.0*4096)/100;
            decimal = ((uint32_t)((adc_val*ADV_REF_VOLT_3_3V*100)/4096)%100);
            
            DEBUG("3.3v ref adc_vol=%d.%02d ,adc_val=%d\n", integer, decimal,adc_val);    
        }
        else if(adc_cfg.RefVol == ADC_REF_VOL_2_48V)
        {   
					  after_calibrat_adc_val = adc_val *adc_2v48_param/10000;
            integer = ((adc_val)*ADV_REF_VOLT_2_4_8V*100)/(1.0*4096)/100;
            decimal = ((uint32_t)((adc_val*ADV_REF_VOLT_2_4_8V*100)/4096)%100);            
            DEBUG("2.48v ref adc_vol=%d.%02d ,adc_val=%d\n", integer, decimal,adc_val);    
					
					  integer = ((after_calibrat_adc_val)*ADV_REF_VOLT_2_4_8V*100)/(1.0*4096)/100;
            decimal = ((uint32_t)((after_calibrat_adc_val*ADV_REF_VOLT_2_4_8V*100)/4096)%100);            
            DEBUG("after_calibrat 2.48v ref adc_vol=%d.%02d ,adc_val=%d\n", integer, decimal,after_calibrat_adc_val); 
        } 
        delay_ms(1000);
    }
}