Library for build-in ADC and DAC in STM32F446 mounted on Nucleo F446RE. Nucleo F446RE に搭載されている STM32F446 の内蔵 ADC, DAC 用のライブラリ.

Dependents:   Demo_F446_AD_DA F446_MySoundMachine F446_ADF_Nlms F446_Spectrogram

F446_ADC_Interrupt.hpp

Committer:
MikamiUitOpen
Date:
2017-02-21
Revision:
6:bbc26cf86b70
Parent:
4:16667bdb8227

File content as of revision 6:bbc26cf86b70:

//----------------------------------------------------------
//  Simultanuous AD Conversion by interrupt using
//  ADC2 and ADC3 on STM32F446 ---- Header
//
//  STM32F446 の ADC2, ADC3 を使って同時に AD 変換を開始し,
//  割り込みによりアナログ信号を入力するクラス(ヘッダ)
//      AdcDual クラスの派生クラス
//
//  2017/02/21, Copyright (c) 2017 MIKAMI, Naoki
//----------------------------------------------------------

#ifndef F446_ADC_DUAL_INTERRUPT_HPP
#define F446_ADC_DUAL_INTERRUPT_HPP

#include "F446_ADC.hpp"

namespace Mikami
{
    class AdcDual_Intr : public AdcDual
    {
    public:
        AdcDual_Intr(int frequency) : AdcDual(frequency)
        {   ADC2->CR1 |= ADC_CR1_EOCIE; }
        
        virtual ~AdcDual_Intr() {}

        // -1.0f <= ad1, ad2 <= 1.0f
        virtual void Read(float &ad1, float &ad2)
        {
            ad1 = ToFloat(ADC2->DR);
            ad2 = ToFloat(ADC3->DR);
        }

        // 0 <= ad1, ad2 <= 4095
        virtual void Read(uint16_t &ad1, uint16_t &ad2)
        {
            ad1 = ADC2->DR;
            ad2 = ADC3->DR;
        }

        // Set interrupt vector and enable IRQ of ADC
        void SetIntrVec(void (*Func)())
        {
            NVIC_SetVector(ADC_IRQn, (uint32_t)Func);   // See "cmsis_nvic.h"
            NVIC_EnableIRQ(ADC_IRQn);                   // See "core_cm4.h"
        }
        
        void DisableAdcIntr()
        {   NVIC_DisableIRQ(ADC_IRQn); }
        
    private:
        // for inhibition of copy constructor
        AdcDual_Intr(const AdcDual_Intr&);
        // for inhibition of substitute operator
        AdcDual_Intr& operator=(const AdcDual_Intr&);     
    };
}
#endif  // F446_ADC_DUAL_INTERRUPT_HPP