提交SMOD ATSC IMX APP版本 V122

2026-07-16 14:35:59 +08:00
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+/*------------------------------------------------------------------------------
+  Copyright 2016-2018 Sony Semiconductor Solutions Corporation
+
+  Last Updated    : 2018/07/27
+  Modification ID : ff73ffebff57618d6a5aa6e2aa9eb009b86060d1
+------------------------------------------------------------------------------*/
+/**
+ @file    sony_demod_j83b.h
+
+          This file provides the demodulator control interface specific to J.83B.
+*/
+/*----------------------------------------------------------------------------*/
+
+#ifndef SONY_DEMOD_J83B_H
+#define SONY_DEMOD_J83B_H
+
+#include "sony_common.h"
+#include "sony_demod.h"
+
+/*------------------------------------------------------------------------------
+ Structs
+------------------------------------------------------------------------------*/
+/**
+ @brief The tune parameters for a J.83B signal
+*/
+typedef struct sony_j83b_tune_param_t {
+    uint32_t centerFreqKHz;                   /**< Center frequency in kHz of the J.83B channel */
+    /**
+     @brief Bandwidth of the J.83B channel
+            For J.83B, this parameter is used for specifying symbol rate.
+            ::SONY_DTV_BW_J83B_5_06_5_36_MSPS or ::SONY_DTV_BW_J83B_5_60_MSPS are available for this parameter.
+    */
+    sony_dtv_bandwidth_t bandwidth;
+} sony_j83b_tune_param_t;
+
+/*------------------------------------------------------------------------------
+ Functions
+------------------------------------------------------------------------------*/
+/**
+ @brief Enable acquisition on the demodulator for J.83B channels.
+
+        Called from the integration layer ::sony_integ_j83b_Tune API.
+
+ @param pDemod  The demodulator instance
+ @param pTuneParam The tune parameters.
+
+ @return SONY_RESULT_OK if successful.
+*/
+sony_result_t sony_demod_j83b_Tune (sony_demod_t * pDemod, sony_j83b_tune_param_t * pTuneParam);
+
+/**
+ @brief Put the demodulator into ::SONY_DEMOD_STATE_SLEEP state.
+
+        Can be called from Active, Shutdown or Sleep states.
+        Called from the integration layer ::sony_integ_Sleep API.
+
+ @param pDemod  The demodulator instance
+
+ @return SONY_RESULT_OK if successful.
+*/
+sony_result_t sony_demod_j83b_Sleep (sony_demod_t * pDemod);
+
+/**
+ @brief Check J.83B TS lock status.
+
+ @note  This API is for checking lock status in tuning stage.
+        After tuning (while receiving the signal),
+        please use sony_demod_j83b_monitor_SyncStat instead
+        to check current lock status.
+
+ @param pDemod The demodulator instance
+ @param pLock TS lock state
+
+ @return SONY_RESULT_OK if successful.
+*/
+sony_result_t sony_demod_j83b_CheckTSLock (sony_demod_t * pDemod,
+                                           sony_demod_lock_result_t * pLock);
+
+#endif /* SONY_DEMOD_J83B_H */