不韋 呂
Cutoff frequency variable LPF by 160th-order FIR filter designed by window method usin Hamming window for ST Nucleo F401RE.
Dependencies: UIT_ACM1602NI UIT_ADDA mbed
Diff: main.cpp
- Revision:
- 3:54eac4891e35
- Parent:
- 1:24c33c8719b2
- Child:
- 5:9dd178ff6239
--- a/main.cpp Mon Nov 10 10:04:06 2014 +0000
+++ b/main.cpp Wed Nov 12 10:54:38 2014 +0000
@@ -3,14 +3,13 @@
// A0: Signal to be filtered
// A2: Value which controls cutoff frequency
//
-// 2014/11/10, Copyright (c) 2014 MIKAMI, Naoki
+// 2014/11/12, 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
#include "WindowingDesignLH.hpp" // for design of IIR filter
@@ -65,7 +64,7 @@
int main()
{
- ScfClockTim3(670000); // cutoff frequency: 6.7 kHz
+ myDac_.ScfClockTim3(670000); // cutoff frequency: 6.7 kHz
WindowingDesign lpfDsgn(ORDER_, FS_);
Acm1602Ni lcd; // objetc for display using LCD
@@ -105,4 +104,3 @@
wait(0.1f);
}
}
-