#include "VM_ADC.h"
#include "delay.h"

ADC_HandleTypeDef ADC2_Handler;//ADC句柄
ADC_HandleTypeDef ADC3_Handler;//ADC句柄

//初始化ADC2
//ch: ADC_channels 
//通道值 0~16取值范围为：ADC_CHANNEL_0~ADC_CHANNEL_16
void ADC2_Init(void)
{ 
		ADC_ChannelConfTypeDef sConfig = {0};
	
    ADC2_Handler.Instance=ADC2;
    ADC2_Handler.Init.ClockPrescaler=ADC_CLOCK_SYNC_PCLK_DIV4;   //4分频，ADCCLK=PCLK2/4=90/4=22.5MHZ
    ADC2_Handler.Init.Resolution=ADC_RESOLUTION_12B;             //12位模式
    ADC2_Handler.Init.DataAlign=ADC_DATAALIGN_RIGHT;             //右对齐
    ADC2_Handler.Init.ScanConvMode=DISABLE;                      //非扫描模式
    ADC2_Handler.Init.EOCSelection=DISABLE;                      //关闭EOC中断
    ADC2_Handler.Init.ContinuousConvMode=DISABLE;                //关闭连续转换
    ADC2_Handler.Init.NbrOfConversion=1;                         //1个转换在规则序列中 也就是只转换规则序列1 
    ADC2_Handler.Init.DiscontinuousConvMode=DISABLE;             //禁止不连续采样模式
    ADC2_Handler.Init.NbrOfDiscConversion=0;                     //不连续采样通道数为0
    ADC2_Handler.Init.ExternalTrigConv=ADC_SOFTWARE_START;       //软件触发
    ADC2_Handler.Init.ExternalTrigConvEdge=ADC_EXTERNALTRIGCONVEDGE_NONE;//使用软件触发
    ADC2_Handler.Init.DMAContinuousRequests=DISABLE;             //关闭DMA请求
    HAL_ADC_Init(&ADC2_Handler);                                 //初始化 
	
		sConfig.Channel = ADC_CHANNEL_11;
		sConfig.Rank = 1;
		sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
		HAL_ADC_ConfigChannel(&ADC2_Handler, &sConfig);
}

//初始化ADC3
//ch: ADC_channels 
//通道值 0~16取值范围为：ADC_CHANNEL_0~ADC_CHANNEL_16
void ADC3_Init(void)
{ 
		ADC_ChannelConfTypeDef sConfig = {0};
	
    ADC3_Handler.Instance=ADC3;
    ADC3_Handler.Init.ClockPrescaler=ADC_CLOCK_SYNC_PCLK_DIV4;   //4分频，ADCCLK=PCLK2/4=90/4=22.5MHZ
    ADC3_Handler.Init.Resolution=ADC_RESOLUTION_12B;             //12位模式
    ADC3_Handler.Init.DataAlign=ADC_DATAALIGN_RIGHT;             //右对齐
    ADC3_Handler.Init.ScanConvMode=DISABLE;                      //非扫描模式
    ADC3_Handler.Init.EOCSelection=DISABLE;                      //关闭EOC中断
    ADC3_Handler.Init.ContinuousConvMode=DISABLE;                //关闭连续转换
    ADC3_Handler.Init.NbrOfConversion=1;                         //1个转换在规则序列中 也就是只转换规则序列1 
    ADC3_Handler.Init.DiscontinuousConvMode=DISABLE;             //禁止不连续采样模式
    ADC3_Handler.Init.NbrOfDiscConversion=0;                     //不连续采样通道数为0
    ADC3_Handler.Init.ExternalTrigConv=ADC_SOFTWARE_START;       //软件触发
    ADC3_Handler.Init.ExternalTrigConvEdge=ADC_EXTERNALTRIGCONVEDGE_NONE;//使用软件触发
    ADC3_Handler.Init.DMAContinuousRequests=DISABLE;             //关闭DMA请求
    HAL_ADC_Init(&ADC3_Handler);                                 //初始化 
	
		sConfig.Channel = ADC_CHANNEL_8;
		sConfig.Rank = 1;
		sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
		HAL_ADC_ConfigChannel(&ADC3_Handler, &sConfig);
}


//ADC底层驱动，引脚配置，时钟使能
//此函数会被HAL_ADC_Init()调用
//hadc:ADC句柄
void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
{
  GPIO_InitTypeDef GPIO_Initure;
	if(hadc == &ADC2_Handler)
	{
		__HAL_RCC_ADC2_CLK_ENABLE();
    __HAL_RCC_GPIOC_CLK_ENABLE();

    GPIO_Initure.Pin=GPIO_PIN_1;            //PC1
    GPIO_Initure.Mode=GPIO_MODE_ANALOG;     //模拟
    GPIO_Initure.Pull=GPIO_NOPULL;          //不带上下拉
    HAL_GPIO_Init(GPIOC,&GPIO_Initure);
	}
	if(hadc == &ADC3_Handler)
	{
		__HAL_RCC_ADC3_CLK_ENABLE();
    __HAL_RCC_GPIOF_CLK_ENABLE();

    GPIO_Initure.Pin=GPIO_PIN_10;            //PF8
    GPIO_Initure.Mode=GPIO_MODE_ANALOG;     //模拟
    GPIO_Initure.Pull=GPIO_NOPULL;          //不带上下拉
    HAL_GPIO_Init(GPIOF,&GPIO_Initure);
	}
}


u32 Get_Adc_Value(ADC_HandleTypeDef* hadc)
{
	u32 temp_val=0;
	
	HAL_ADC_Start(hadc);
	HAL_ADC_PollForConversion(hadc,10);
	temp_val = HAL_ADC_GetValue(hadc);

	return temp_val;
}