Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/radio@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-07-19 07:44:42 +00:00
commit 290fd5f5e0
36 changed files with 13976 additions and 0 deletions
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+// --------------------------------------------------------------
+#include <string.h>
+#include <math.h>
+#include "agc.h"
+
+// --------------------------------------------------------------
+// AGC
+// Scalar version
+// --------------------------------------------------------------
+void AGC_Init(agc_t *pObj, uint32_t windowLength, radio_float_t w_init)
+{
+	pObj->w = w_init;
+	SlidingMinMaxInit(&pObj->slMax, windowLength, (radio_float_t)1E12, 1);
+}
+
+void AGC_Free(agc_t *pObj)
+{
+	SlidingMinMaxFree(&pObj->slMax);
+}
+
+void AGC_Process(agc_t *pObj, radio_float_t x, radio_float_t mu, radio_float_t target)
+{
+	radio_float_t d2;
+	radio_float_t e;
+
+	d2 = SlidingMinMaxProcess(&pObj->slMax, x);
+	e = target - d2;
+	pObj->w += mu*e*dabs(x);
+}
+
+void AGC_Train(agc_t *pObj, radio_float_t e, radio_float_t mu)
+{
+	pObj->w += mu*e;
+}
+
+radio_float_t AGC_GetWeight(agc_t *pObj)
+{
+	return pObj->w;
+}
+
+// --------------------------------------------------------------