/*
 * Trace Recorder for Tracealyzer v4.6.0
 * Copyright 2021 Percepio AB
 * www.percepio.com
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Supporting functions for trace streaming, used by the "stream ports"
 * for reading and writing data to the interface.
 *
 * Note that this stream port is more complex than the typical case, since
 * the J-Link interface uses a separate RAM buffer in SEGGER_RTT.c, instead
 * of the default buffer included in the recorder core. The other stream ports
 * offer more typical examples of how to define a custom streaming interface.
 */

#include <trcRecorder.h>

#if ( TRC_USE_TRACEALYZER_RECORDER == 1 )

    #if ( TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING )

        typedef struct TraceStreamPortRTT
        {
            #if ( TRC_USE_INTERNAL_BUFFER == 1 )
                uint8_t bufferInternal[ TRC_STREAM_PORT_INTERNAL_BUFFER_SIZE ];
            #endif
            uint8_t bufferUp[ TRC_STREAM_PORT_RTT_UP_BUFFER_SIZE ];
            uint8_t bufferDown[ TRC_STREAM_PORT_RTT_DOWN_BUFFER_SIZE ];
        } TraceStreamPortRTT_t;

        static TraceStreamPortRTT_t * pxStreamPortRTT;

        traceResult xTraceStreamPortInitialize( TraceStreamPortBuffer_t * pxBuffer )
        {
            TRC_ASSERT_EQUAL_SIZE( TraceStreamPortBuffer_t, TraceStreamPortRTT_t );

            if( pxBuffer == 0 )
            {
                return TRC_FAIL;
            }

            pxStreamPortRTT = ( TraceStreamPortRTT_t * ) pxBuffer;

            #if ( TRC_USE_INTERNAL_BUFFER == 1 )
                return xTraceInternalEventBufferInitialize( pxStreamPortRTT->bufferInternal, sizeof( pxStreamPortRTT->bufferInternal ) );
            #else
                return TRC_SUCCESS;
            #endif
        }

        traceResult xTraceStreamPortOnEnable( uint32_t uiStartOption )
        {
            ( void ) uiStartOption;

            /* Configure the RTT buffers */
            SEGGER_RTT_ConfigUpBuffer( TRC_CFG_STREAM_PORT_RTT_UP_BUFFER_INDEX, "TzData", pxStreamPortRTT->bufferUp, sizeof( pxStreamPortRTT->bufferUp ), TRC_CFG_STREAM_PORT_RTT_MODE );
            SEGGER_RTT_ConfigDownBuffer( TRC_CFG_STREAM_PORT_RTT_DOWN_BUFFER_INDEX, "TzCtrl", pxStreamPortRTT->bufferDown, sizeof( pxStreamPortRTT->bufferDown ), TRC_CFG_STREAM_PORT_RTT_MODE );

            return TRC_SUCCESS;
        }

    #endif /* if ( TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING ) */

#endif /* if ( TRC_USE_TRACEALYZER_RECORDER == 1 ) */