IIR filter of cascade form using float type operations and coefficients for ST Nucleo F401RE.

Dependencies:   UIT_ADDA mbed

Revision:
4:83e5419d22bb
Parent:
2:d4999d914eee
Child:
6:9b78c8c6ed27
--- a/main.cpp	Wed Oct 22 09:07:55 2014 +0000
+++ b/main.cpp	Thu Oct 23 00:25:44 2014 +0000
@@ -2,7 +2,7 @@
 // IIR フィルタ,縦続形,float で演算
 //      Analog Input : A0
 //      Analog Output: MCP4922 using SPI
-// 2014/10/20, Copyright (c) 2014 MIKAMI, Naoki
+// 2014/10/23, Copyright (c) 2014 MIKAMI, Naoki
 //--------------------------------------------------------------
 
 #include "mbed.h"
@@ -30,9 +30,9 @@
     {  1.942552E+00f, -9.865720E-01f, -1.942961E+00f,  1.000000E+00f}}; // 3段目
 const float g0_ = 1.000028E-02f;    // 利得定数
 
-const int FS_ = 12000;          // Sampling frequency: 12 kHz
-ADC_Base adc_(A0, FS_);                 // for AD
-DAC_MCP4922 myDac_(DAC_MCP4922::DAC_A); // for DA
+const int FS_ = 12000;  // Sampling frequency: 12 kHz
+ADC_Base adc_(A0, FS_); // for AD
+DAC_MCP4922 myDac_;     // for DA
 
 int main()
 {