不韋 呂
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Demo_F446_AD_DA_Single
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Dependencies: F446_AD_DA_Single mbed
Revision 0:354f69c72e69, committed 2017-02-21
- Comitter:
- MikamiUitOpen
- Date:
- Tue Feb 21 00:40:52 2017 +0000
- Commit message:
- 1
Changed in this revision
diff -r 000000000000 -r 354f69c72e69 F446_AD_DA_Single.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/F446_AD_DA_Single.lib Tue Feb 21 00:40:52 2017 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/MikamiUitOpen/code/F446_AD_DA_Single/#2a5690e56a16
diff -r 000000000000 -r 354f69c72e69 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Feb 21 00:40:52 2017 +0000
@@ -0,0 +1,73 @@
+//----------------------------------------------------------------------
+// NUCLEO-F446 で STM32F446 内蔵の ADC, DAC のためのクラスのデモプログラム
+// 使用するクラス：AdcSingle, DacSingle, AdcSingleIntr
+// 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
+// ポーリング方式と割り込み方式の２つの例を示す
+//
+// 2017/02/21, Copyright (c) 2017 MIKAMI, Naoki
+//----------------------------------------------------------------------
+
+// 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
+//#define ADC_EXAMPLE_OF_INTERRUPT
+
+//----------------------------------------------------------------------
+// ポーリングを使う例
+#ifndef ADC_EXAMPLE_OF_INTERRUPT
+#include "F446_ADC_Single.hpp"
+using namespace Mikami;
+
+int main()
+{
+ const int FS = 10000; // Sampling frequency: 10 kHz
+ AdcSingle myAdc(A0, FS); // See "F446_ADC_Single.hpp"
+ DacSingle myDac; // See "F446_DAC_Single.hpp"
+ myDac.ScfClock(420000); // 出力の LPF の遮断周波数を 4.2 kHz に設定
+
+ printf("\r\nUsing polling\r\n");
+ while (true)
+ {
+/*
+ // float 型の例
+ float sn = myAdc.Read();
+*/
+
+ // uint16_t 型の例
+ uint16_t sn = myAdc.ReadUint();
+
+ myDac.Write(sn);
+ }
+}
+
+//----------------------------------------------------------------------
+// ADC 変換終了割り込みを使う例
+#else
+#include "F446_ADC_Interrupt_Single.hpp"
+using namespace Mikami;
+
+const int FS_ = 10000; // Sampling frequency: 10 kHz
+AdcSingle_Intr myAdc_(A1, FS_); // See "F446_ADC_Interrupt_Single.hpp"
+DacSingle myDac_; // See "F446_DAC_Single.hpp"
+
+// 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
+void AdcIsr()
+{
+ float sn = myAdc_.Read();
+ myDac_.Write(sn);
+}
+
+int main()
+{
+ printf("\r\nUsing interrupt\r\n");
+
+ myDac_.ScfClock(420000); // 出力の LPF の遮断周波数を 4.2 kHz に設定
+ // 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
+ myAdc_.SetIntrVec(&AdcIsr);
+
+ uint32_t n = 0;
+ while (true)
+ {
+ printf("%d\r\n", n++);
+ wait(1);
+ }
+}
+#endif
diff -r 000000000000 -r 354f69c72e69 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Feb 21 00:40:52 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/ef9c61f8c49f \ No newline at end of file