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_DAC.cpp@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 // STM32F446 内蔵の DAC 用のクラス
MikamiUitOpen 2:4bec6b2be809 3 // 出力端子： A2 (PA_4) に固定
MikamiUitOpen 2:4bec6b2be809 4 //
MikamiUitOpen 2:4bec6b2be809 5 // 2020/07/23, Copyright (c) 2020 MIKAMI, Naoki
MikamiUitOpen 2:4bec6b2be809 6 //--------------------------------------------------------
MikamiUitOpen 2:4bec6b2be809 7
MikamiUitOpen 2:4bec6b2be809 8 #include "F446_DAC.hpp"
MikamiUitOpen 2:4bec6b2be809 9 #include "pinmap.h" // pin_function() で使用
MikamiUitOpen 2:4bec6b2be809 10
MikamiUitOpen 2:4bec6b2be809 11 namespace Mikami
MikamiUitOpen 2:4bec6b2be809 12 {
MikamiUitOpen 2:4bec6b2be809 13 // コンストラクタ
MikamiUitOpen 2:4bec6b2be809 14 DacF446::DacF446() : DAC_(DAC)
MikamiUitOpen 2:4bec6b2be809 15 {
MikamiUitOpen 2:4bec6b2be809 16 // A2 に対応する GPIOx_MODER をアナログ･モードに設定する
MikamiUitOpen 2:4bec6b2be809 17 pin_function(A2, STM_MODE_ANALOG);
MikamiUitOpen 2:4bec6b2be809 18
MikamiUitOpen 2:4bec6b2be809 19 __HAL_RCC_DAC_CLK_ENABLE(); // DAC にクロックを供給する
MikamiUitOpen 2:4bec6b2be809 20 // __HAL_RCC_DAC_CLK_ENABLE() の定義：stm32f4xx_hal_rcc_ex.h
MikamiUitOpen 2:4bec6b2be809 21
MikamiUitOpen 2:4bec6b2be809 22 DAC_->CR = DAC_CR_EN1; // DAC を有効にする
MikamiUitOpen 2:4bec6b2be809 23 }
MikamiUitOpen 2:4bec6b2be809 24 }