1 files changed, 103 insertions, 0 deletions
diff --git a/libsensors_iio/software/core/mpl/interpolator.h b/libsensors_iio/software/core/mpl/interpolator.h
new file mode 100644
index 0000000..5eb571d
--- /dev/null
+++ b/libsensors_iio/software/core/mpl/interpolator.h
@@ -0,0 +1,103 @@
+/*
+ $License:
+    Copyright (C) 2011 InvenSense Corporation, All Rights Reserved.
+ $
+ */
+#ifndef INTERPOLATOR_H
+#define INTERPOLATOR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//#include "mltypes.h"
+
+    /* ------------ */
+    /* - Defines. - */
+    /* ------------ */
+
+#define MAX_INTERPOLATION (20)
+
+typedef struct  {
+    long x[2];
+    long y[4];
+} tInterpolate2;
+typedef struct  {
+    long x[2];
+    long y[6];
+} tInterpolate3;
+typedef struct  {
+    long x[5];
+    long y[10];
+    int idx1;
+} tInterpolate5;
+typedef struct {
+    tInterpolate2 state1;
+    tInterpolate2 state2;
+} tInterpolate4;
+typedef struct {
+    tInterpolate3 state1;
+    tInterpolate2 state2;
+} tInterpolate6;
+typedef struct {
+    tInterpolate2 state1;
+    tInterpolate4 state2;
+} tInterpolate8;
+typedef struct {
+    tInterpolate3 state1;
+    tInterpolate3 state2;
+} tInterpolate9;
+typedef struct {
+    tInterpolate5 state1;
+    tInterpolate2 state2;
+} tInterpolate10;
+typedef struct {
+    tInterpolate4 state1;
+    tInterpolate3 state2;
+} tInterpolate12;
+typedef struct {
+    tInterpolate5 state1;
+    tInterpolate3 state2;
+} tInterpolate15;
+typedef struct {
+    tInterpolate2 state1;
+    tInterpolate8 state2;
+} tInterpolate16;
+typedef struct {
+    tInterpolate9 state1;
+    tInterpolate2 state2;
+} tInterpolate18;
+typedef struct {
+    tInterpolate10 state1;
+    tInterpolate2 state2;
+} tInterpolate20;
+
+typedef  union {
+    tInterpolate2 u2;
+    tInterpolate3 u3;
+    tInterpolate4 u4;
+    tInterpolate5 u5;
+    tInterpolate6 u6;
+    tInterpolate8 u8;
+    tInterpolate9 u9;
+    tInterpolate10 u10;
+    tInterpolate12 u12;
+    tInterpolate15 u15;
+    tInterpolate16 u16;
+    tInterpolate18 u18;
+    tInterpolate20 u20;
+} tInterpolateState;
+
+    /* --------------------- */
+    /* - Function p-types. - */
+    /* --------------------- */
+int inv_get_interp_amount( int x );
+int inv_interpolate( int amount, long input, long *output, tInterpolateState *state );
+long inv_fxmult( long x, long y );
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* INTERPOLATOR_H */