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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 + } +}