ATY_LIB/HW_ADC_ATY.c

/**
* @file HW_ADC_ATY.c
*
* @param Project DEVICE_GENERAL_ATY_LIB
*
* @author ATY
*
* @copyright
*       - Copyright 2017 - 2026 MZ-ATY
*       - This code follows:
*           - MZ-ATY Various Contents Joint Statement -
*               <a href="https://mengze.top/MZ-ATY_VCJS">
*                        https://mengze.top/MZ-ATY_VCJS</a>
*           - CC 4.0 BY-NC-SA -
*               <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">
*                        https://creativecommons.org/licenses/by-nc-sa/4.0/</a>
*       - Your use will be deemed to have accepted the terms of this statement.
*
* @brief functions of adc for STC51 and STM32F with HAL lib
*
* @version
*       - 1_01_221231 > ATY
*           -# Preliminary version, first Release
********************************************************************************
*/

#ifndef __HW_ADC_ATY_C
#define __HW_ADC_ATY_C

#include "HW_ADC_ATY.h"

/******************************* For user *************************************/

/******************************************************************************/

#if (__ATY_IS_8051_COMPILER)
/**
 * @brief   ADC init
 */
void ADC_Init(void){
#ifndef ADCTIM
#define ADCTIM  (*(unsigned char volatile xdata *)0xfea8)
#endif
    P_SW2 |= 0x80;              // change reg sfr
    ADCTIM = 0x3F;              // set ADC internal timing sequence
    P_SW2 &= 0x7F;              // stop change reg sfr
    // ADCCFG = 0x0F;              // set SYSCLK/2/16 as ADC timer
    ADCCFG = 0x00;              // set SYSCLK/2/1 as ADC timer
    ADC_CONTR = 0x80;           // enable ADC
}

/**
 * @brief   ADC get mcu vref
 * @return  mcu vref data
 */
float ADC_GetVref(void){
    uint16_t dataVref = 0;
    float resultVref = 0.0;
    int* BGV;
    BGV = (int __IDATA*)0xEF;
    dataVref = ADC_Get(0x0F);
    resultVref = (1024L * (*BGV) / dataVref);
    return resultVref;
}

/**
 * @brief   ADC get data at channel
 * @param   channel channel
 * @return  adc data
 */
uint16_t ADC_Get(uint8_t channel){
    uint16_t errCount = 1000;
    ADC_CONTR = ((ADC_CONTR & 0xF0) | (channel & 0x0F));
    ADC_CONTR |= 0x40;          // start ADC
    __NOP_ATY;
    __NOP_ATY;
    while((!(ADC_CONTR & 0x20)) && errCount)
        errCount--;
    if(errCount){
        ADC_CONTR &= ~0x20;     // clear over flag
        return ((ADC_RES << 2) + (ADC_RESL >> 6));
    }
    return 0x01;
}
#elif defined(USE_HAL_DRIVER)
#include "adc.h"
// set channel to 0 for scand mode
uint16_t ADC_Get(ADC_HandleTypeDef* adc, uint32_t channel){
#if defined (__STM32F4xx_ADC_H)
#define SAMPETIME ADC_SAMPLETIME_480CYCLES
#elif defined (__STM32F1xx_HAL_ADC_H)
#define SAMPETIME ADC_SAMPLETIME_239CYCLES_5
#endif

    if(channel != 0){
        ADC_ChannelConfTypeDef sConfig = {0};
        sConfig.Channel = channel;
        sConfig.Rank = 1U;
        sConfig.SamplingTime = SAMPETIME;   // do not set faster than 28 at f103
        if(HAL_ADC_ConfigChannel(adc, &sConfig) != HAL_OK){
            Error_Handler();
        }
    }
    HAL_ADC_Start(adc);
    HAL_ADC_PollForConversion(adc, 1000);
    if(HAL_IS_BIT_SET(HAL_ADC_GetState(adc), HAL_ADC_STATE_REG_EOC))
        return HAL_ADC_GetValue(adc);
    return 0.1;
}

#endif /* PLATFORM */

// ADC -------------------------------------------------------------------------
// #include "HW_ADC_ATY.h"
// void MCU_CoreAdcGet(void){
//     // F405/F407(mV)
//     // float VOL_PER_AD_ATY = 1210.0 / ((float)(*(__IO uint16_t*)(0x1FFF7A2A)));
//     // float VREFINT_MCU_ATY = ADC_Get(&hadc1, ADC_CHANNEL_VREFINT) * VOL_PER_AD_ATY;
//     // float TEMPERATURE_MCU_ATY =
//     //     (((ADC_Get(&hadc1, ADC_CHANNEL_TEMPSENSOR) * VOL_PER_AD_ATY) - 760.0) / 2.5) + 25.0;
//     // F103(mV)
//     float VOL_PER_AD_ATY = 1200.0 / ADC_Get(&hadc1, ADC_CHANNEL_VREFINT);
//     float VREFINT_MCU_ATY = ADC_Get(&hadc1, ADC_CHANNEL_VREFINT) * VOL_PER_AD_ATY;
//     float TEMPERATURE_MCU_ATY = ((1430.0 -
//         (ADC_Get(&hadc1, ADC_CHANNEL_TEMPSENSOR) * VOL_PER_AD_ATY)) / 4.3) + 25.0;

//     float MCU_BASE_VOL_D = 1200;//VREFINT_MCU_ATY;
//     float MCU_BASE_VOL = VREFINT_MCU_ATY;
//     float MCU_TEMP = TEMPERATURE_MCU_ATY;
//     printf_ATY_D("\r\nCAD: %f, CV: %f, CT: %f\r\n", VOL_PER_AD_ATY, MCU_BASE_VOL, MCU_TEMP);
// }

#endif /* __HW_ADC_ATY_C */

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