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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+// --------------------------------------------------------------
+#ifndef SYNCHRONIZATION_H
+#define	SYNCHRONIZATION_H
+
+#include "radio_types.h"
+#include "nco.h"
+
+#define LEAD_LAG_SCALING		((radio_float_t)1024*1024)
+// --------------------------------------------------------------
+// Types
+// --------------------------------------------------------------
+typedef struct _clock_t
+{
+	uint32_t reload;
+	int32_t count;
+
+} clock_t;
+
+typedef struct _lead_lag_filter_t
+{
+	radio_float_t lag_state;
+
+} lead_lag_filter_t;
+
+typedef struct _lead_lag_coeff_t
+{
+	radio_float_t lead;
+	radio_float_t lag;
+
+} lead_lag_coeff_t;
+
+typedef struct _str_t
+{
+	cpx_t d[2];
+
+} str_t;
+
+typedef struct _pfd_t
+{
+	uint32_t state_up;
+	uint32_t state_down;
+} pfd_t;
+
+typedef struct _timing_corrector_t
+{
+	radio_float_t mu;
+	radio_float_t mu_filtered;
+	radio_float_t wrap_alpha;
+	radio_float_t wrap_beta;
+	uint32_t skip[2];
+	uint32_t stuff[2];
+
+} timing_corrector_t;
+
+// --------------------------------------------------------------
+// Functions
+// --------------------------------------------------------------
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void ClockInit(clock_t *pObj, uint32_t divide);
+uint32_t ClockIsTick(clock_t *pObj, uint32_t do_advance);
+void ClockAdvance(clock_t *pObj);
+void ClockSetPhase(clock_t *pObj, int32_t phase);
+
+void STRGardnerInit(str_t *pObj);
+radio_float_t STRGardnerProcess(str_t *pObj, cpx_t x);
+
+radio_float_t PhaseErrQPSK(cpx_t x);
+radio_float_t PhaseErr(cpx_t x, radio_float_t pstep, radio_float_t poffset);
+
+void PfdInit(pfd_t *pObj);
+radio_float_t PfdProcess(pfd_t *pObj, radio_float_t x, radio_float_t k);
+
+void LeadLagInit(lead_lag_filter_t *pObj, radio_float_t state);
+void LeadLagSetCoeff(lead_lag_coeff_t *pCoeff, radio_float_t lead, radio_float_t lag);
+radio_float_t LeadLagProcess(lead_lag_filter_t *pObj, lead_lag_coeff_t *pCoeff, radio_float_t x);
+radio_float_t LeadLagGetState(lead_lag_filter_t *pObj);
+void LeadLagSetState(lead_lag_filter_t *pObj, radio_float_t state);
+
+void TimingCorrectorInit(timing_corrector_t *pObj, radio_float_t wrap_alpha);
+radio_float_t TimingCorrectorProcess(timing_corrector_t *pObj, radio_float_t dMu);
+radio_float_t TimingCorrectorGetMu(timing_corrector_t *pObj);
+uint32_t TimingCorrectorIsSkip(timing_corrector_t *pObj);
+uint32_t TimingCorrectorIsStuff(timing_corrector_t *pObj);
+
+#ifdef __cplusplus
+}
+#endif  // __cplusplus
+
+// --------------------------------------------------------------
+#endif // SYNCHRONIZATION_H