不韋 呂 / Mbed 2 deprecated F446_FunctionGenerator

ファンクション･ジェネレータ．出力信号：正弦波，矩形波，矩形波 (５倍波まで)．ノイズの付加が可能．

Dependencies:   mbed SerialTxRxIntr Random

F446_DAC.cpp

Committer:
MikamiUitOpen
Date:
2019-01-07
Revision:
7:5d1c170065d8
Parent:
5:5dca27575a3d

File content as of revision 7:5d1c170065d8:

//--------------------------------------------------------
//  Class for buit-in single DAC on STM32F446
//
//  STM32F446 内蔵の DAC 用のクラス
//      DAC_OUT1: A2  (PA_4)
//      DAC_OUT2: D13 (PA_5)
//
//  2018/11/28, Copyright (c) 2018 MIKAMI, Naoki
//--------------------------------------------------------

#include "F446_DAC.hpp"

namespace Mikami
{
    DacF446::DacF446(PinName pin) : da_(pin)
    {
        if ( (pin != A2) && (pin != D13) )
        {
            fprintf(stderr, "Invalid pin name\r\n");
            while (true) {}
        }
        if (pin == A2)
        {
            DAC->CR = DAC_CR_EN1;
            fpWriteDac = &DacF446::WriteDac1;
        }
        else
        {
            DAC->CR = DAC_CR_EN2;
            fpWriteDac = &DacF446::WriteDac2;
        }
    }
}