Junichi Katsu
編集中のプログラムです。 一時的にパブリッシュしました。 タッチパネル部分は未確認です。 It is a program while editing it. To pass it to the person, it shared.
Diff: filters.cpp
- Revision:
- 0:f5f8e3417215
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/filters.cpp Sun Nov 28 09:17:14 2010 +0000
@@ -0,0 +1,79 @@
+
+#include <string.h>
+#include "filters.h"
+
+
+void FilterBoxF::initialise(unsigned int size)
+{
+ m_size = size;
+ if (m_size>FILTER_MAX_SIZE) m_size = FILTER_MAX_SIZE;
+ memset(m_history,0,sizeof(float)*FILTER_MAX_SIZE);
+ m_index = 0;
+ m_out = 0;
+}
+
+
+float FilterBoxF::tick(float in)
+{
+ m_history[m_index] = in;
+ m_index += 1;
+ if (m_index>=m_size) m_index = 0;
+
+ float sum = 0;
+
+ for (int i=0; i<m_size; i++)
+ {
+ sum += m_history[i];
+ }
+ m_out = sum/m_size;
+
+ return m_out;
+}
+
+//=================================
+
+void FilterBoxI::initialise(unsigned int size)
+{
+ m_size = size;
+ if (m_size>FILTER_MAX_SIZE) m_size = FILTER_MAX_SIZE;
+ memset(m_history,0,sizeof(int)*FILTER_MAX_SIZE);
+ m_index = 0;
+ m_out = 0;
+}
+
+
+int FilterBoxI::tick(int in)
+{
+ m_history[m_index] = in;
+ m_index += 1;
+ if (m_index>=m_size) m_index = 0;
+
+ int sum = 0;
+ for (int i=0; i<m_size; i++)
+ {
+ sum += m_history[i];
+ }
+ m_out = sum/m_size;
+ return m_out;
+}
+
+//=================================
+
+void FilterIirI::initialise(int tau, int limit)
+{
+ m_tau = tau;
+ m_limit = limit;
+ m_remainder = 0;
+ m_out = 0;
+}
+
+
+int FilterIirI::tick(int in)
+{
+ int temp = in - m_out + m_remainder;
+ m_remainder = temp % m_tau;
+ m_out += temp / m_tau;
+ if (m_out>m_limit) m_out = m_limit;
+ if (m_out<-m_limit) m_out = -m_limit;
+ return m_out;
+}