不韋 呂 / Mbed 2 deprecated SDR_FM_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5月号に掲載

Dependencies:   mbed

SDR_Library/F446_DAC.cpp@1:2b596eab04de, 2021-02-04 (annotated)

Committer:
MikamiUitOpen
Date:
Thu Feb 04 09:45:09 2021 +0000
Revision:
1:2b596eab04de
Parent:
0:4037028ba61a 
2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:4037028ba61a 1 //--------------------------------------------------------
MikamiUitOpen 0:4037028ba61a 2 // STM32F446 内蔵の DAC 用のクラス
MikamiUitOpen 0:4037028ba61a 3 // 出力端子： A2 (PA_4) に固定
MikamiUitOpen 0:4037028ba61a 4 //
MikamiUitOpen 0:4037028ba61a 5 // 2020/07/23, Copyright (c) 2020 MIKAMI, Naoki
MikamiUitOpen 0:4037028ba61a 6 //--------------------------------------------------------
MikamiUitOpen 0:4037028ba61a 7
MikamiUitOpen 0:4037028ba61a 8 #include "F446_DAC.hpp"
MikamiUitOpen 0:4037028ba61a 9 #include "pinmap.h" // pin_function() で使用
MikamiUitOpen 0:4037028ba61a 10
MikamiUitOpen 0:4037028ba61a 11 namespace Mikami
MikamiUitOpen 0:4037028ba61a 12 {
MikamiUitOpen 0:4037028ba61a 13 // コンストラクタ
MikamiUitOpen 0:4037028ba61a 14 DacF446::DacF446() : DAC_(DAC)
MikamiUitOpen 0:4037028ba61a 15 {
MikamiUitOpen 0:4037028ba61a 16 // A2 に対応する GPIOx_MODER をアナログ･モードに設定する
MikamiUitOpen 0:4037028ba61a 17 pin_function(A2, STM_MODE_ANALOG);
MikamiUitOpen 0:4037028ba61a 18
MikamiUitOpen 0:4037028ba61a 19 __HAL_RCC_DAC_CLK_ENABLE(); // DAC にクロックを供給する
MikamiUitOpen 0:4037028ba61a 20 // __HAL_RCC_DAC_CLK_ENABLE() の定義：stm32f4xx_hal_rcc_ex.h
MikamiUitOpen 0:4037028ba61a 21
MikamiUitOpen 0:4037028ba61a 22 DAC_->CR = DAC_CR_EN1; // DAC を有効にする
MikamiUitOpen 0:4037028ba61a 23 }
MikamiUitOpen 0:4037028ba61a 24 }