leonarski_f
d315506633
* Enhancements for EIGER * Writer is more flexible and capable of handling DECTRIS data
36 lines
1.4 KiB
C++
36 lines
1.4 KiB
C++
// Copyright (2019-2023) Paul Scherrer Institute
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#include "hls_jfjoch.h"
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void stream_merge(AXI_STREAM &input_network,
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AXI_STREAM &input_frame_generator,
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AXI_STREAM &data_out,
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volatile ap_uint<2> &source) {
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#pragma HLS INTERFACE ap_ctrl_none port=return
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#pragma HLS INTERFACE axis register both port=input_network
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#pragma HLS INTERFACE axis register both port=input_frame_generator
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#pragma HLS INTERFACE axis register both port=data_out
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#pragma HLS INTERFACE ap_none register port=source
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#pragma HLS PIPELINE II=1 style=flp
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static ap_uint<2> data_source_local = STREAM_MERGE_SRC_NONE;
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ap_uint<2> data_source_local_read = source;
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if (data_source_local != data_source_local_read) {
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data_source_local = data_source_local_read;
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data_out.write(packet_512_t{.user = 1, .last = 1});
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} else {
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packet_512_t packet_in_frame_gen, packet_in_network;
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bool rcv_frame_gen = input_frame_generator.read_nb(packet_in_frame_gen);
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bool rcv_network = input_network.read_nb(packet_in_network);
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if (data_source_local == STREAM_MERGE_SRC_NETWORK) {
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if (rcv_network)
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data_out.write(packet_in_network);
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} else if (data_source_local == STREAM_MERGE_SRC_FRAME_GEN) {
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if (rcv_frame_gen)
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data_out.write(packet_in_frame_gen);
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}
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}
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}
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