不韋 呂 / Mbed 2 deprecated Demo_F446_AD_DA

Example of use of library for build-in ADC and DAC in STM32F446 mounted on Nucleo F446RE. Nucleo F446RE に搭載されている STM32F446 の内蔵 ADC, DAC 用のライブラリの使用例．

Dependencies:   F446_AD_DA mbed

main.cpp@5:4cf2a4022995, 2017-02-21 (annotated)

Committer:
MikamiUitOpen
Date:
Tue Feb 21 13:11:14 2017 +0000
Revision:
5:4cf2a4022995
Parent:
4:5a893341990d 
6

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 2:2e6922bceec1 1 //----------------------------------------------------------------------
MikamiUitOpen 2:2e6922bceec1 2 // NUCLEO-F446 で STM32F446 内蔵の ADC, DAC のためのクラスのデモプログラム
MikamiUitOpen 0:d1d504410da6 3 // 使用するクラス：AdcDual, DacDual, AdcDualIntr
MikamiUitOpen 0:d1d504410da6 4 // 処理の内容：AD 変換器からの入力をそのまま DA 変換器に出力する
MikamiUitOpen 0:d1d504410da6 5 // ポーリング方式と割り込み方式の２つの例を示す
MikamiUitOpen 0:d1d504410da6 6 //
MikamiUitOpen 4:5a893341990d 7 // 2017/02/19, Copyright (c) 2017 MIKAMI, Naoki
MikamiUitOpen 2:2e6922bceec1 8 //----------------------------------------------------------------------
MikamiUitOpen 0:d1d504410da6 9
MikamiUitOpen 0:d1d504410da6 10 // 割り込みの例を有効にする場合，次の #define 文を有効にすること
MikamiUitOpen 1:e462cfe9476d 11 //#define ADC_EXAMPLE_OF_INTERRUPT
MikamiUitOpen 0:d1d504410da6 12
MikamiUitOpen 0:d1d504410da6 13 //----------------------------------------------------------------
MikamiUitOpen 0:d1d504410da6 14 // ポーリングを使う例
MikamiUitOpen 0:d1d504410da6 15 #ifndef ADC_EXAMPLE_OF_INTERRUPT
MikamiUitOpen 0:d1d504410da6 16 #include "F446_ADC.hpp"
MikamiUitOpen 1:e462cfe9476d 17 using namespace Mikami;
MikamiUitOpen 0:d1d504410da6 18
MikamiUitOpen 0:d1d504410da6 19 int main()
MikamiUitOpen 0:d1d504410da6 20 {
MikamiUitOpen 3:ec03e3cffc9b 21 const int FS = 10000; // Sampling frequency: 10 kHz
MikamiUitOpen 0:d1d504410da6 22 AdcDual myAdc(FS); // See "F446_ADC.hpp"
MikamiUitOpen 0:d1d504410da6 23 DacDual myDac; // See "F446_DAC.hpp"
MikamiUitOpen 0:d1d504410da6 24 myDac.ScfClock(420000); // 出力の LPF の遮断周波数を 4.2 kHz に設定
MikamiUitOpen 0:d1d504410da6 25
MikamiUitOpen 0:d1d504410da6 26 printf("\r\nUsing polling\r\n");
MikamiUitOpen 0:d1d504410da6 27 while (true)
MikamiUitOpen 0:d1d504410da6 28 {
MikamiUitOpen 0:d1d504410da6 29 // float 型の例
MikamiUitOpen 0:d1d504410da6 30 float sn1, sn2;
MikamiUitOpen 0:d1d504410da6 31 myAdc.Read(sn1, sn2);
MikamiUitOpen 0:d1d504410da6 32 /*
MikamiUitOpen 0:d1d504410da6 33 // uint16_t 型の例
MikamiUitOpen 0:d1d504410da6 34 uint16_t sn1, sn2;
MikamiUitOpen 0:d1d504410da6 35 myAdc.Read(sn1, sn2);
MikamiUitOpen 0:d1d504410da6 36 */
MikamiUitOpen 0:d1d504410da6 37 myDac.Write(sn1, sn2);
MikamiUitOpen 0:d1d504410da6 38 }
MikamiUitOpen 0:d1d504410da6 39 }
MikamiUitOpen 0:d1d504410da6 40
MikamiUitOpen 0:d1d504410da6 41 //----------------------------------------------------------------
MikamiUitOpen 0:d1d504410da6 42 // ADC 変換終了割り込みを使う例
MikamiUitOpen 0:d1d504410da6 43 #else
MikamiUitOpen 0:d1d504410da6 44 #include "F446_ADC_Interrupt.hpp"
MikamiUitOpen 1:e462cfe9476d 45 using namespace Mikami;
MikamiUitOpen 0:d1d504410da6 46
MikamiUitOpen 0:d1d504410da6 47 const int FS_ = 10000; // Sampling frequency: 10 kHz
MikamiUitOpen 1:e462cfe9476d 48 AdcDual_Intr myAdc_(FS_); // See "F446_ADC_Interrupt.hpp"
MikamiUitOpen 0:d1d504410da6 49 DacDual myDac_; // See "F446_DAC.hpp"
MikamiUitOpen 0:d1d504410da6 50
MikamiUitOpen 0:d1d504410da6 51 // ADC 変換終了割り込みに対する割り込みサービス･ルーチン
MikamiUitOpen 0:d1d504410da6 52 void AdcIsr()
MikamiUitOpen 0:d1d504410da6 53 {
MikamiUitOpen 0:d1d504410da6 54 float sn1, sn2;
MikamiUitOpen 0:d1d504410da6 55 myAdc_.Read(sn1, sn2);
MikamiUitOpen 0:d1d504410da6 56 myDac_.Write(sn1, sn2);
MikamiUitOpen 0:d1d504410da6 57 }
MikamiUitOpen 0:d1d504410da6 58
MikamiUitOpen 0:d1d504410da6 59 int main()
MikamiUitOpen 0:d1d504410da6 60 {
MikamiUitOpen 0:d1d504410da6 61 printf("\r\nUsing interrupt\r\n");
MikamiUitOpen 0:d1d504410da6 62
MikamiUitOpen 0:d1d504410da6 63 myDac_.ScfClock(420000); // 出力の LPF の遮断周波数を 4.2 kHz に設定
MikamiUitOpen 0:d1d504410da6 64 // ADC 変換終了割り込みに対する割り込みサービス･ルーチンを割り当てる
MikamiUitOpen 0:d1d504410da6 65 myAdc_.SetIntrVec(&AdcIsr);
MikamiUitOpen 0:d1d504410da6 66
MikamiUitOpen 0:d1d504410da6 67 uint32_t n = 0;
MikamiUitOpen 0:d1d504410da6 68 while (true)
MikamiUitOpen 0:d1d504410da6 69 {
MikamiUitOpen 0:d1d504410da6 70 printf("%d\r\n", n++);
MikamiUitOpen 0:d1d504410da6 71 wait(1);
MikamiUitOpen 0:d1d504410da6 72 }
MikamiUitOpen 0:d1d504410da6 73 }
MikamiUitOpen 0:d1d504410da6 74 #endif