CQ出版社セミナ,2021/12/07開催「実習・C++言語によるArmマイコンのプログラミング」で使うプログラム.
Dependencies: Array_Matrix mbed SerialTxRxIntr UIT_FFT_Real
F446_ADDA/F446_AdcIntr.hpp@5:5e55a5f440c0, 2020-04-02 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Thu Apr 02 01:12:34 2020 +0000
- Revision:
- 5:5e55a5f440c0
- Parent:
- 2:d28a3f741217
6
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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MikamiUitOpen | 2:d28a3f741217 | 1 | //------------------------------------------------------------- |
MikamiUitOpen | 2:d28a3f741217 | 2 | // F446 内蔵 ADC2 を割込み方式で使うための派生クラス(ヘッダ) |
MikamiUitOpen | 2:d28a3f741217 | 3 | // 基底クラス: AdcF446_Base |
MikamiUitOpen | 2:d28a3f741217 | 4 | // |
MikamiUitOpen | 2:d28a3f741217 | 5 | // 2020/01/28, Copyright (c) 2020 MIKAMI, Naoki |
MikamiUitOpen | 2:d28a3f741217 | 6 | //------------------------------------------------------------- |
MikamiUitOpen | 2:d28a3f741217 | 7 | |
MikamiUitOpen | 2:d28a3f741217 | 8 | #include "F446_AdcBase.hpp" |
MikamiUitOpen | 2:d28a3f741217 | 9 | |
MikamiUitOpen | 2:d28a3f741217 | 10 | #ifndef ADC_F446_INTERRUPT_HPP |
MikamiUitOpen | 2:d28a3f741217 | 11 | #define ADC_F446_INTERRUPT_HPP |
MikamiUitOpen | 2:d28a3f741217 | 12 | |
MikamiUitOpen | 2:d28a3f741217 | 13 | namespace Mikami |
MikamiUitOpen | 2:d28a3f741217 | 14 | { |
MikamiUitOpen | 2:d28a3f741217 | 15 | class AdcF446_Intr : public AdcF446_Base |
MikamiUitOpen | 2:d28a3f741217 | 16 | { |
MikamiUitOpen | 2:d28a3f741217 | 17 | public: |
MikamiUitOpen | 2:d28a3f741217 | 18 | // コンストラクタ |
MikamiUitOpen | 2:d28a3f741217 | 19 | // fSampling 標本化周波数 [kHz] |
MikamiUitOpen | 2:d28a3f741217 | 20 | // pin 入力ピンの名前 |
MikamiUitOpen | 2:d28a3f741217 | 21 | AdcF446_Intr(float fSampling, PinName pin) |
MikamiUitOpen | 2:d28a3f741217 | 22 | : AdcF446_Base(fSampling, pin) |
MikamiUitOpen | 2:d28a3f741217 | 23 | { myAdc_->CR1 |= ADC_CR1_EOCIE; } // AD 変換終了割り込みを許可 |
MikamiUitOpen | 2:d28a3f741217 | 24 | |
MikamiUitOpen | 2:d28a3f741217 | 25 | virtual ~AdcF446_Intr() {} |
MikamiUitOpen | 2:d28a3f741217 | 26 | |
MikamiUitOpen | 2:d28a3f741217 | 27 | // 割込みベクタの設定と AD 変換割込みを有効にする |
MikamiUitOpen | 2:d28a3f741217 | 28 | void SetIntrVec(void (*Func)()) |
MikamiUitOpen | 2:d28a3f741217 | 29 | { |
MikamiUitOpen | 2:d28a3f741217 | 30 | fp = Func; // 引数として渡された処理を割り当てる |
MikamiUitOpen | 2:d28a3f741217 | 31 | NVIC_SetVector(ADC_IRQn, (uint32_t)Isr); // "core_cm4.h" 参照 |
MikamiUitOpen | 2:d28a3f741217 | 32 | NVIC_EnableIRQ(ADC_IRQn); // "core_cm4.h" 参照 |
MikamiUitOpen | 2:d28a3f741217 | 33 | } |
MikamiUitOpen | 2:d28a3f741217 | 34 | |
MikamiUitOpen | 2:d28a3f741217 | 35 | // AD 変換された値を読み込む |
MikamiUitOpen | 2:d28a3f741217 | 36 | // -1.0f <= AD変換された値 < 1.0f |
MikamiUitOpen | 2:d28a3f741217 | 37 | virtual float Read() const { return ToFloat(myAdc_->DR); } |
MikamiUitOpen | 2:d28a3f741217 | 38 | |
MikamiUitOpen | 2:d28a3f741217 | 39 | private: |
MikamiUitOpen | 2:d28a3f741217 | 40 | 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 | 2:d28a3f741217 | 41 | |
MikamiUitOpen | 2:d28a3f741217 | 42 | // 割込みサービス・ルーチン,このクラスで使っている ADC であることを確認 |
MikamiUitOpen | 2:d28a3f741217 | 43 | static void Isr() |
MikamiUitOpen | 2:d28a3f741217 | 44 | { if ((myAdc_->SR & ADC_SR_EOC_Msk) == ADC_SR_EOC) fp(); } |
MikamiUitOpen | 2:d28a3f741217 | 45 | }; |
MikamiUitOpen | 2:d28a3f741217 | 46 | |
MikamiUitOpen | 2:d28a3f741217 | 47 | // static メンバの実体 |
MikamiUitOpen | 2:d28a3f741217 | 48 | void (*AdcF446_Intr::fp)(); |
MikamiUitOpen | 2:d28a3f741217 | 49 | } |
MikamiUitOpen | 2:d28a3f741217 | 50 | #endif // ADC_F446_INTERRUPT_HPP |