41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: CERN-OHL-S-2.0
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#include "hls_jfjoch.h"
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void pixel_threshold(STREAM_768 &data_in,
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STREAM_768 &data_out) {
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#pragma HLS INTERFACE register both axis port=data_in
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#pragma HLS INTERFACE register both axis port=data_out
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#pragma HLS INTERFACE ap_ctrl_none port=return
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packet_768_t packet_in;
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{
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#pragma HLS PROTOCOL fixed
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data_in >> packet_in;
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ap_wait();
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data_out << packet_in;
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ap_wait();
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}
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ap_uint<32> data_collection_mode = ACT_REG_MODE(packet_in.data);
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ap_uint<1> apply_threshold = ((data_collection_mode & MODE_THRESHOLD) ? 1 : 0);
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ap_int<32> threshold = ACT_REG_THRESHOLD(packet_in.data);
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data_in >> packet_in;
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while (!packet_in.user) {
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#pragma HLS PIPELINE II=1
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ap_int<24> pixel[32];
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unpack32(packet_in.data, pixel);
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for (int i = 0; i < 32; i++) {
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if (apply_threshold && (pixel[i] != INT24_MIN) && (pixel[i] < threshold))
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pixel[i] = 0;
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}
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packet_in.data = pack32(pixel);
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data_out << packet_in;
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data_in >> packet_in;
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}
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data_out << packet_in;
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} |