/**
*     Copyright (c) 2023, Nsing Technologies Inc.
* 
*     All rights reserved.
*
*     This software is the exclusive property of Nsing Technologies Inc. (Hereinafter 
* referred to as NATIONS). This software, and the product of NATIONS described herein 
* (Hereinafter referred to as the Product) are owned by NATIONS under the laws and treaties
* of the People's Republic of China and other applicable jurisdictions worldwide.
*
*     NATIONS does not grant any license under its patents, copyrights, trademarks, or other 
* intellectual property rights. Names and brands of third party may be mentioned or referred 
* thereto (if any) for identification purposes only.
*
*     NATIONS reserves the right to make changes, corrections, enhancements, modifications, and 
* improvements to this software at any time without notice. Please contact NATIONS and obtain 
* the latest version of this software before placing orders.

*     Although NATIONS has attempted to provide accurate and reliable information, NATIONS assumes 
* no responsibility for the accuracy and reliability of this software.
* 
*     It is the responsibility of the user of this software to properly design, program, and test 
* the functionality and safety of any application made of this information and any resulting product. 
* In no event shall NATIONS be liable for any direct, indirect, incidental, special,exemplary, or 
* consequential damages arising in any way out of the use of this software or the Product.
*
*     NATIONS Products are neither intended nor warranted for usage in systems or equipment, any
* malfunction or failure of which may cause loss of human life, bodily injury or severe property 
* damage. Such applications are deemed, "Insecure Usage".
*
*     All Insecure Usage shall be made at user's risk. User shall indemnify NATIONS and hold NATIONS 
* harmless from and against all claims, costs, damages, and other liabilities, arising from or related 
* to any customer's Insecure Usage.

*     Any express or implied warranty with regard to this software or the Product, including,but not 
* limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement
* are disclaimed to the fullest extent permitted by law.

*     Unless otherwise explicitly permitted by NATIONS, anyone may not duplicate, modify, transcribe
* or otherwise distribute this software for any purposes, in whole or in part.
*
*     NATIONS products and technologies shall not be used for or incorporated into any products or systems
* whose manufacture, use, or sale is prohibited under any applicable domestic or foreign laws or regulations. 
* User shall comply with any applicable export control laws and regulations promulgated and administered by 
* the governments of any countries asserting jurisdiction over the parties or transactions.
**/

/**
*\*\file main.c
*\*\author Nsing
*\*\version v1.0.0
*\*\copyright Copyright (c) 2023, Nsing Technologies Inc. All rights reserved.
 */
#include "main.h"




ADC_InitType ADC_InitStructure;
__IO uint16_t ADC_RegularConvertedValueTab[32];
uint32_t gCnt = 0;


void RCC_Configuration(void);
void GPIO_Configuration(void);
void NVIC_Configuration(void);
/**
*\*\name    ADC_Initial.
*\*\fun     ADC_Initial program.
*\*\return  none
**/
void ADC_Initial(void)
{
    ADC_InitStruct(&ADC_InitStructure);
    /* ADC1 configuration ------------------------------------------------------*/
    ADC_InitStructure.WorkMode       = ADC_WORKMODE_INDEPENDENT;
    ADC_InitStructure.MultiChEn      = ENABLE;
    ADC_InitStructure.ContinueConvEn = ENABLE;
    ADC_InitStructure.ExtTrigSelect  = ADC_EXT_TRIG_REG_CONV_SOFTWARE;
    ADC_InitStructure.DatAlign       = ADC_DAT_ALIGN_R;
    ADC_InitStructure.ChsNumber      = 2;
    ADC_InitStructure.Resolution     = ADC_DATA_RES_12BIT;
    ADC_Init(ADC1, &ADC_InitStructure);

    /* ADC1 regular channel9 configuration */
    ADC_ConfigRegularChannel(ADC1, ADC1_Channel_09_PB1, 1, ADC_SAMP_TIME_CYCLES_61_5);
    ADC_ConfigRegularChannel(ADC1, ADC1_Channel_08_PB0, 2, ADC_SAMP_TIME_CYCLES_61_5);

    /* Configure ADC_AWDG1 and ADC_AWDG2 high and low analog watchdog thresholds */
    ADC_ConfigAnalogWatchdogThresholds(ADC1,ADC_AWDG1, 0x060F, 0);
    ADC_ConfigAnalogWatchdogThresholds(ADC1,ADC_AWDG2, 0x060F, 0);
    /* Configure channelas the single analog watchdog1 guarded channel */
    ADC_ConfigAnalogWatchdog1SingleChannel(ADC1, ADC1_Channel_09_PB1);

    /* Enable analog watchdog 1 on one regular channel */
    ADC_ConfigAnalogWatchdog1WorkChannelType(ADC1, ADC_ANALOG_WTDG_SINGLEREG_ENABLE);
    /* Enable AWD1 interrupt ADC1*/
    ADC_ConfigInt(ADC1, ADC_INT_AWD1, ENABLE);

    ADC_SetAnalogWatchdog23MonitChannels(ADC1,ADC_AWDG2_EN_OFFSET,(1<<ADC1_Channel_08_PB0));
    ADC_SetAnalogWatchdog23IntConfig(ADC1,ADC_AWDG2_INTEN_OFFSET,(1<<ADC1_Channel_08_PB0));
    /* Enable ADC1 */
    ADC_Enable(ADC1, ENABLE);
    /*Check ADC Ready*/
    while(ADC_GetFlagStatus(ADC1,ADC_FLAG_RDY) == RESET)
        ;
    /* Start ADC1 calibration */
    ADC_CalibrationOperation(ADC1,ADC_CALIBRATION_SINGLE_MODE);
    /* Check the end of ADC1 calibration */
    while (ADC_GetCalibrationStatus(ADC1,ADC_CALIBRATION_SINGLE_MODE))
        ;
    /* Start ADC1 Software Conversion */
    ADC_EnableSoftwareStartConv(ADC1, ENABLE);
}

int main(void)
{
    /* System clocks configuration ----------------------------------------------*/
    RCC_Configuration();

    /* NVIC configuration -------------------------------------------------------*/
    NVIC_Configuration();
    
    /* GPIO configuration -------------------------------------------------------*/
    GPIO_Configuration();
    
    /* ADC1 configuration -------------------------------------------------------*/
    ADC_Initial();
    
    while (1)
    {
        gCnt++;
    }
}


/**
*\*\name    RCC_Configuration.
*\*\fun     Configures the different system clocks.
*\*\return  none
**/
void RCC_Configuration(void)
{
    /* Enable peripheral clocks ------------------------------------------------*/
    RCC_ConfigPclk1(RCC_HCLK_DIV4);/* The maximum operating clock of GTIM1-7/BTIM1-2 is 120MHz,the division frequency of PCLK1 cannot be 1 or 2 divisions */
    /* Enable DMA1 clocks */
    RCC_EnableAHBPeriphClk(RCC_AHB_PERIPHEN_DMA1, ENABLE);

    /* Enable GPIOA, GPIOB, GPIOC clocks */
    RCC_EnableAHB1PeriphClk(RCC_AHB_PERIPHEN_GPIOA | RCC_AHB_PERIPHEN_GPIOB | RCC_AHB_PERIPHEN_GPIOC  , ENABLE);
    
    /* Enable ADC1 clocks */
    RCC_EnableAHB1PeriphClk(RCC_AHB_PERIPHEN_ADC1,ENABLE);

    /* RCC_ADCHCLK_DIV16*/
    ADC_ConfigClk(ADC_CTRL3_CKMOD_AHB,RCC_ADCHCLK_DIV16);
    RCC_ConfigAdc1mClk(RCC_ADC1MCLK_SRC_HSI, RCC_ADC1MCLK_DIV8);  //selsect HSI as RCC ADC1M CLK Source
}

/**
*\*\name    GPIO_Configuration.
*\*\fun     Configures the different GPIO ports.
*\*\return  none
**/
void GPIO_Configuration(void)
{
    GPIO_InitType GPIO_InitStructure;
    
    GPIO_InitStruct(&GPIO_InitStructure);
    /* Configure PB0 PB1 as analog input -----    ------*/
    GPIO_InitStructure.Pin       = GPIO_PIN_0 | GPIO_PIN_1 ;
    GPIO_InitStructure.GPIO_Mode = GPIO_MODE_ANALOG;
    GPIO_InitPeripheral(GPIOB, &GPIO_InitStructure);
    
    /* Configure PB2 PB3 as Output Push-Pull Mode  -------------------------*/
    GPIO_InitStruct(&GPIO_InitStructure);
    GPIO_InitStructure.Pin       = GPIO_PIN_2 | GPIO_PIN_3 ;
    GPIO_InitStructure.GPIO_Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitPeripheral(GPIOB, &GPIO_InitStructure);
}



/**
*\*\name    NVIC_Configuration.
*\*\fun     Configures NVIC and Vector Table base location.
*\*\return  none
**/
void NVIC_Configuration(void)
{
    NVIC_InitType NVIC_InitStructure;
    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
    /* Configure and enable ADC interrupt */
    NVIC_InitStructure.NVIC_IRQChannel                   = ADC1_2_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority        = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd                = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
}

