STM32F446 の内蔵 ADC, DAC 用のライブラリ.このライブラリを登録した際のプログラム: Demo_DSP_ADDA. Library for build-in ADC and DAC in STM32F446.
Dependents: Demo_DSP_ADDA F446_DSP_FFT_Analyzer TrG_FFT_Analyzer DSP_MultirateLinearphase ... more
DSP_AdcIntr.hpp@3:a1dcee67c67e, 2020-12-20 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sun Dec 20 08:04:35 2020 +0000
- Revision:
- 3:a1dcee67c67e
- Parent:
- 1:d6121b7a8d51
4
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 1:d6121b7a8d51 | 1 | //----------------------------------------------------------------- |
MikamiUitOpen | 1:d6121b7a8d51 | 2 | // STM32F446 内蔵 ADC を割込み方式で使うための派生クラス(ヘッダ) |
MikamiUitOpen | 0:85348d58f498 | 3 | // 基底クラス: DspAdc_Base |
MikamiUitOpen | 0:85348d58f498 | 4 | // |
MikamiUitOpen | 3:a1dcee67c67e | 5 | // 2020/12/20, Copyright (c) 2020 MIKAMI, Naoki |
MikamiUitOpen | 1:d6121b7a8d51 | 6 | //----------------------------------------------------------------- |
MikamiUitOpen | 0:85348d58f498 | 7 | |
MikamiUitOpen | 0:85348d58f498 | 8 | #include "DSP_AdcBase.hpp" |
MikamiUitOpen | 0:85348d58f498 | 9 | |
MikamiUitOpen | 0:85348d58f498 | 10 | #ifndef DSP_ADC_INTERRUPT_HPP |
MikamiUitOpen | 0:85348d58f498 | 11 | #define DSP_ADC_INTERRUPT_HPP |
MikamiUitOpen | 0:85348d58f498 | 12 | |
MikamiUitOpen | 0:85348d58f498 | 13 | namespace Mikami |
MikamiUitOpen | 0:85348d58f498 | 14 | { |
MikamiUitOpen | 3:a1dcee67c67e | 15 | class DspAdcIntr : public DspAdcBase |
MikamiUitOpen | 0:85348d58f498 | 16 | { |
MikamiUitOpen | 0:85348d58f498 | 17 | public: |
MikamiUitOpen | 0:85348d58f498 | 18 | // コンストラクタ |
MikamiUitOpen | 0:85348d58f498 | 19 | // fSampling 標本化周波数 [kHz] |
MikamiUitOpen | 0:85348d58f498 | 20 | // pin 入力ピンの名前 |
MikamiUitOpen | 0:85348d58f498 | 21 | // adc AD 変換器: ADC1, ADC2, ADC3 のいずれか |
MikamiUitOpen | 3:a1dcee67c67e | 22 | DspAdcIntr(float fSampling, PinName pin, ADC_TypeDef* const adc = ADC2) |
MikamiUitOpen | 3:a1dcee67c67e | 23 | : DspAdcBase(fSampling, pin, adc) |
MikamiUitOpen | 0:85348d58f498 | 24 | { myAdc_->CR1 |= ADC_CR1_EOCIE; } // AD 変換終了割込みを許可 |
MikamiUitOpen | 0:85348d58f498 | 25 | |
MikamiUitOpen | 3:a1dcee67c67e | 26 | virtual ~DspAdcIntr() {} |
MikamiUitOpen | 0:85348d58f498 | 27 | |
MikamiUitOpen | 0:85348d58f498 | 28 | // 割込みベクタの設定と AD 変換割込みを有効にする |
MikamiUitOpen | 1:d6121b7a8d51 | 29 | void SetIntrVec(void (*Func)()); |
MikamiUitOpen | 0:85348d58f498 | 30 | |
MikamiUitOpen | 0:85348d58f498 | 31 | // AD 変換された値を読み込む |
MikamiUitOpen | 0:85348d58f498 | 32 | // -1.0f <= AD変換された値 < 1.0f |
MikamiUitOpen | 0:85348d58f498 | 33 | virtual float Read() const { return AdcToFloat(); } |
MikamiUitOpen | 0:85348d58f498 | 34 | |
MikamiUitOpen | 0:85348d58f498 | 35 | private: |
MikamiUitOpen | 0:85348d58f498 | 36 | static void (*fp_)(); // 割込みサービス・ルーチンの中で実行される関数のポインタ |
MikamiUitOpen | 0:85348d58f498 | 37 | |
MikamiUitOpen | 0:85348d58f498 | 38 | // 割込みサービス・ルーチン,このクラスで使っている ADC の割込みであれば, |
MikamiUitOpen | 0:85348d58f498 | 39 | // NVIC_SetVector() の引数で割り当てられた処理を行う |
MikamiUitOpen | 0:85348d58f498 | 40 | static void Isr() |
MikamiUitOpen | 0:85348d58f498 | 41 | { if ((myAdc_->SR & ADC_SR_EOC_Msk) == ADC_SR_EOC) fp_(); } |
MikamiUitOpen | 0:85348d58f498 | 42 | }; |
MikamiUitOpen | 0:85348d58f498 | 43 | } |
MikamiUitOpen | 0:85348d58f498 | 44 | #endif // DSP_ADC_INTERRUPT_HPP |