不韋 呂 / Mbed 2 deprecated SDR_AM_Rx_CIC

AM中波放送用SDR．CICフィルタのみを使用．CQ出版社「トランジスタ技術」誌，2021年4月号に掲載

Dependencies:   mbed

SDR_Library/F446_ADC_Base.hpp@2:4bec6b2be809, 2020-08-29 (annotated)

Committer:
MikamiUitOpen
Date:
Sat Aug 29 11:19:03 2020 +0000
Revision:
2:4bec6b2be809
3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 2:4bec6b2be809 1 //-------------------------------------------------------------
MikamiUitOpen 2:4bec6b2be809 2 // F446 内蔵 ADC 用抽象基底クラス（ヘッダ）
MikamiUitOpen 2:4bec6b2be809 3 //
MikamiUitOpen 2:4bec6b2be809 4 // 2020/07/24, Copyright (c) 2020 MIKAMI, Naoki
MikamiUitOpen 2:4bec6b2be809 5 //-------------------------------------------------------------
MikamiUitOpen 2:4bec6b2be809 6
MikamiUitOpen 2:4bec6b2be809 7 #include "mbed.h"
MikamiUitOpen 2:4bec6b2be809 8
MikamiUitOpen 2:4bec6b2be809 9 #ifndef ADC_F446_POLLING_HPP
MikamiUitOpen 2:4bec6b2be809 10 #define ADC_F446_POLLING_HPP
MikamiUitOpen 2:4bec6b2be809 11
MikamiUitOpen 2:4bec6b2be809 12 namespace Mikami
MikamiUitOpen 2:4bec6b2be809 13 {
MikamiUitOpen 2:4bec6b2be809 14 class AdcF446_Base
MikamiUitOpen 2:4bec6b2be809 15 {
MikamiUitOpen 2:4bec6b2be809 16 public:
MikamiUitOpen 2:4bec6b2be809 17 // コンストラクタ
MikamiUitOpen 2:4bec6b2be809 18 // fSampling 標本化周波数 [kHz]
MikamiUitOpen 2:4bec6b2be809 19 // pin 入力ピンの名前
MikamiUitOpen 2:4bec6b2be809 20 AdcF446_Base(float fSampling, PinName pin);
MikamiUitOpen 2:4bec6b2be809 21
MikamiUitOpen 2:4bec6b2be809 22 virtual ~AdcF446_Base() {}
MikamiUitOpen 2:4bec6b2be809 23
MikamiUitOpen 2:4bec6b2be809 24 // AD 変換された値を読み込む（純粋仮想関数）
MikamiUitOpen 2:4bec6b2be809 25 virtual float Read() = 0;
MikamiUitOpen 2:4bec6b2be809 26
MikamiUitOpen 2:4bec6b2be809 27 protected:
MikamiUitOpen 2:4bec6b2be809 28 ADC_TypeDef* const myAdc_; // AD 変換器に対応するポインタ
MikamiUitOpen 2:4bec6b2be809 29
MikamiUitOpen 2:4bec6b2be809 30 float ToFloat(uint16_t x) { return AMP_*(x - 2048); }
MikamiUitOpen 2:4bec6b2be809 31
MikamiUitOpen 2:4bec6b2be809 32 private:
MikamiUitOpen 2:4bec6b2be809 33 static const float AMP_ = 1.0f/2048.0f;
MikamiUitOpen 2:4bec6b2be809 34
MikamiUitOpen 2:4bec6b2be809 35 // AD 変換器の外部トリガに使うタイマ (TIM8) の設定
MikamiUitOpen 2:4bec6b2be809 36 // fSampling 標本化周波数 [kHz]
MikamiUitOpen 2:4bec6b2be809 37 void SetTim8(float fSampling);
MikamiUitOpen 2:4bec6b2be809 38
MikamiUitOpen 2:4bec6b2be809 39 // コピー･コンストラクタ，代入演算子の禁止のため
MikamiUitOpen 2:4bec6b2be809 40 AdcF446_Base(const AdcF446_Base&);
MikamiUitOpen 2:4bec6b2be809 41 AdcF446_Base& operator=(const AdcF446_Base&);
MikamiUitOpen 2:4bec6b2be809 42 };
MikamiUitOpen 2:4bec6b2be809 43 }
MikamiUitOpen 2:4bec6b2be809 44 #endif // ADC_F446_POLLING_HPP