Plínio Barbosa
Biblioteca com implementação de filtro IIR passa baixa usando IQ12
Diff: FiltroIIR.h
- Revision:
- 0:785481a6b9bb
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/FiltroIIR.h Mon Mar 31 21:49:05 2014 +0000
@@ -0,0 +1,21 @@
+#ifndef FILTROIIR_H
+#define FILTROIIR_H
+
+#include "mbed.h"
+
+class FiltroIIR {
+public:
+ FiltroIIR(int32_t* _ACoef, int32_t* _BCoef);
+ int32_t CalculaNovaAmostra(int32_t _amostraAtual);
+
+private:
+ int32_t OrdemFiltro;
+ int32_t *ACoef, *BCoef;
+ int32_t *VetorX, *VetorY;
+ int32_t Q;
+ int32_t K;
+ int32_t QMul(int32_t op_a, int32_t op_b);
+ int32_t QDiv(int32_t op_a, int32_t op_b);
+};
+
+#endif