不韋 呂
Prototype program of AD and DA using classes in UIT_ADDA. This program does not use interrupt of ADC for ST Nucleo F401RE. UIT_ADDA のクラスを使った AD および DA のためのプログラムの雛形．ADC の割り込みは使わないバージョン．ST Nucleo F401 用．
Dependencies: UIT_ACM1602NI UIT_ADDA mbed
Diff: main.cpp
- Revision:
- 0:fa5a90c45188
- Child:
- 1:b4af5a0ad127
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Oct 20 03:08:15 2014 +0000
@@ -0,0 +1,33 @@
+//--------------------------------------------------------------
+// 割り込みを使わずに AD DA を行う場合の雛形
+// Analog Input : A0
+// Analog Output: MCP4922 using SPI
+// 2014/10/20, Copyright (c) 2014 MIKAMI, Naoki
+//--------------------------------------------------------------
+
+#include "mbed.h"
+
+#include "ADC_Interrupt.hpp" // for ADC using interrupt
+#include "DAC_MCP4922.hpp" // for DAC MCP4922
+#include "ScfClockTim3.hpp" // for clock supplied to SCF
+#include "ACM1602NI.hpp" // for LCD display
+
+using namespace Mikami;
+
+const int FS_ = 10000; // Sampling frequency: 24 kHz
+ADC_Base adc_(A0, FS_); // for AD
+DAC_MCP4922 myDac_(DAC_MCP4922::DAC_A); // for DA
+
+int main()
+{
+ ScfClockTim3(420000); // cutoff frequency: 4.2 kHz
+
+ while (true)
+ {
+ float xn = adc_.Read(); // Read from A0
+ //-----------------------------------------------
+ // Put signal processing program here
+ //-----------------------------------------------
+ myDac_.Write(xn); // Write to DAC
+ }
+}