RT2_Cuboid_demo / Mbed 2 deprecated nucf446-test_GPA

Test of pmic GPA with filter

Dependencies:   mbed

Fork of nucf446-cuboid-balance1_strong by RT2_Cuboid_demo

Diff: IIR_filter.h

Revision:
0:15be70d21d7c
Child:
5:d6c7ccbbce78
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/IIR_filter.h	Wed Jan 10 16:08:07 2018 +0000
@@ -0,0 +1,22 @@
+class IIR_filter{
+     public:
+                    IIR_filter(unsigned int nb,unsigned int na);
+                    IIR_filter(float b,float a);
+                    IIR_filter(float tau,float Ts,float dc);
+                    IIR_filter(float tau);
+        float operator()(float u){
+         return filter(u);
+         }
+        virtual     ~IIR_filter();
+        void        reset(float);
+        float       filter(float);
+    
+    private:
+        unsigned int nb;
+        unsigned int na;
+        float *b;
+        float *a;
+        float *uk;
+        float *yk;
+        float dc;
+};
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