/**
*     Copyright (c) 2025, Nsing Technologies Inc.
* 
*     All rights reserved.
*
*     This software is the exclusive property of Nsing Technologies Inc. (Hereinafter 
* referred to as Nsing). This software, and the product of Nsing described herein 
* (Hereinafter referred to as the Product) are owned by Nsing under the laws and treaties
* of the People's Republic of China and other applicable jurisdictions worldwide.
*
*     Nsing 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.
*
*     Nsing reserves the right to make changes, corrections, enhancements, modifications, and 
* improvements to this software at any time without notice. Please contact Nsing and obtain 
* the latest version of this software before placing orders.

*     Although Nsing has attempted to provide accurate and reliable information, Nsing 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 Nsing 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.
*
*     Nsing 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 Nsing and hold Nsing 
* 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 Nsing, anyone may not duplicate, modify, transcribe
* or otherwise distribute this software for any purposes, in whole or in part.
*
*     Nsing 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) 2025, Nsing Technologies Inc. All rights reserved.
 */
#include "main.h"
#include "log.h"
#include "delay.h"

typedef enum
{
    CMD_CR_SUCCESS  = 0x00,
    CMD_CR_FAILED   = 0x01,
}CMD_RETURN_CR;


/*xx mv per degree Celsius  by datasheet define*/
#define     AVG_SLOPE           (0.004f)


CMD_RETURN_CR  (*Get_NVR)(uint32_t addr, uint32_t* data, uint32_t len) = (CMD_RETURN_CR (*)(uint32_t ,uint32_t*, uint32_t))0x1FFF02A5;

ADC_InitType ADC_InitStructure;
DMA_InitType DMA_InitStructure;
__IO uint16_t ADCConvertedValue;

__IO float TempValue;

uint32_t T_value= 0;
uint32_t VTS_value= 0;

void RCC_Configuration(void);
void GPIO_Configuration(void);
void DMA_Config(void);


/**
*\*\name    TempratureCalculate.
*\*\fun     Calculate temperature use float result.
*\*\param   TempAdVal :
*\*\          - Temperate sensor code value measured by ADC.
*\*\return  the internal temperate value of the chip.
**/
float TempratureCalculate(uint16_t TempAdVal)
{ 
    float Temperate,tempValue;
    uint32_t NVR_VTS[2] = {0};
    FLASH_iCacheCmd(FLASH_BANK1,FLASH_iCache_DIS);
    FLASH_iCacheRST(FLASH_BANK1);
    if(*(uint32_t *)0x1FFFC2A0 == 0x53545446)
    {
        /* Get the voltage value , temperature sensor under 3.3V and 25 celsius */
        VTS_value = (uint16_t)(*(uint32_t *)0x1FFFC710>>16);
        T_value = (uint16_t)(*(uint32_t *)0x1FFFC718);
    }
    else
    {
        Get_NVR(0x1FFFC130,NVR_VTS,8);
        VTS_value = (uint16_t)(NVR_VTS[0]>>16);
        T_value = 3000;
    }

    FLASH_iCacheCmd(FLASH_BANK1,FLASH_iCache_EN);
    /* Voltage value of temperature sensor */
    tempValue=TempAdVal*(3.3/4095);
    /* Get the temperature inside the chip */
    Temperate=(VTS_value-(tempValue*1000))/(AVG_SLOPE*1000)+T_value/100-1.25f;

    return Temperate;
}


/**
*\*\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      = DISABLE;
    ADC_InitStructure.ContinueConvEn = ENABLE;
    ADC_InitStructure.ExtTrigSelect  = ADC_EXT_TRIG_REG_CONV_SOFTWARE;
    ADC_InitStructure.DatAlign       = ADC_DAT_ALIGN_R;
    ADC_InitStructure.ChsNumber      = 1;
    ADC_InitStructure.Resolution     = ADC_DATA_RES_12BIT;
    ADC_Init(ADC1, &ADC_InitStructure);
    /* ADC1 regular channel16 configuration */
    ADC_ConfigRegularChannel(ADC1, ADC1_Channel_16_Temperture_Sensor, 1, ADC_SAMP_TIME_CYCLES_601_5);
    /* Enable Temper Sensor */
    ADC_EnableTempSensorVrefint(ENABLE);
    /* Enable ADC DMA */
    ADC_SetDMATransferMode(ADC1,ADC_MULTI_REG_DMA_EACH_ADC);
    /* 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))
        ;
}

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

    /* log configuration -------------------------------------------------------*/
    log_init();

    /* DMA1 channel1 configuration ----------------------------------------------*/
    DMA_Config();
    
    /* ADC1 configuration -------------------------------------------------------*/
    ADC_Initial();
    
    /* Start ADC1 Software Conversion */
    ADC_EnableSoftwareStartConv(ADC1, ENABLE);
    
    /*Check ADC1 Conversion Done*/
    while(ADC_GetFlagStatus(ADC1,ADC_FLAG_EOC_ANY) == RESET);

    while (1)
    {
        TempValue = TempratureCalculate(ADCConvertedValue);

        log_debug("\r\n Temperature = %.1f C\r\n",TempValue); 
        
        systick_delay_ms(1);
    }
}


/**
*\*\name    RCC_Configuration.
*\*\fun     Configures the different system clocks.
*\*\return  none
**/
void RCC_Configuration(void)
{
    /* Enable peripheral clocks ------------------------------------------------*/
    /* 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_DIV10*/
    ADC_ConfigClk(ADC_CTRL3_CKMOD_AHB,RCC_ADCHCLK_DIV10);
    RCC_ConfigAdc1mClk(RCC_ADC1MCLK_SRC_HSI, RCC_ADC1MCLK_DIV8);  //selsect HSI as RCC ADC1M CLK Source
}


/**
*\*\name    DMA_Config.
*\*\fun     DMA_Initial program.
*\*\return  none
**/
void DMA_Config(void)
{
    DMA_DeInit(DMA1_CH1);
	DMA_StructInit(&DMA_InitStructure);
	
    DMA_InitStructure.PeriphAddr     = (uint32_t)&ADC1->DAT;
    DMA_InitStructure.MemAddr        = (uint32_t)&ADCConvertedValue;
    DMA_InitStructure.Direction      = DMA_DIR_PERIPH_SRC;
    DMA_InitStructure.BufSize        = 1;
    DMA_InitStructure.PeriphInc      = DMA_PERIPH_INC_DISABLE;
    DMA_InitStructure.MemoryInc      = DMA_MEM_INC_DISABLE;
    DMA_InitStructure.PeriphDataSize = DMA_PERIPH_DATA_WIDTH_HALFWORD;
    DMA_InitStructure.MemDataSize    = DMA_MEM_DATA_WIDTH_HALFWORD;
    DMA_InitStructure.CircularMode   = DMA_MODE_CIRCULAR;
    DMA_InitStructure.Priority       = DMA_PRIORITY_HIGH;
    DMA_InitStructure.Mem2Mem        = DMA_M2M_DISABLE;
    DMA_Init(DMA1_CH1, &DMA_InitStructure);
    
    DMA_RequestRemap(DMA_REMAP_ADC1,DMA1_CH1,ENABLE);
    
    /* Enable DMA1 channel1 */
    DMA_EnableChannel(DMA1_CH1, ENABLE);
}

