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Jungfraujoch/fpga/hls_tb/pixel_threshold_tb.cpp
T
2025-10-20 20:43:44 +02:00

65 lines
1.6 KiB
C++

// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#include "../hls_simulation/hls_cores.h"
int main() {
int32_t min_threshold = 16;
int32_t max_threshold = 30;
bool all_good = true;
STREAM_768 input;
STREAM_768 output;
packet_768_t packet_in;
packet_in.user = 0;
packet_in.data = 0;
ACT_REG_THRESHOLD_MIN(packet_in.data) = min_threshold;
ACT_REG_THRESHOLD_MAX(packet_in.data) = max_threshold;
input << packet_in;
ap_int<24> values_in[32], values_out[32];
for (int i = 0; i < 29; i++)
values_in[i] = i;
values_in[30] = INT24_MAX;
values_in[31] = INT24_MIN;
packet_in.data = pack32(values_in);
input << packet_in;
input << packet_768_t{.user = 1};
pixel_threshold(input, output);
output.read();
packet_768_t packet_out = output.read();
output.read();
unpack32(packet_out.data, values_out);
for (int i = 0; i < 32; i++) {
int32_t value_expected = values_in[i];
if (values_in[i] == INT24_MIN)
value_expected = INT24_MIN;
else if (values_in[i] < min_threshold)
value_expected = 0;
else if (values_in[i] > max_threshold)
value_expected = INT24_MAX;
if (values_out[i] != value_expected) {
all_good = false;
std::cerr << "Value " << i << " expected: " << value_expected << " calculated " << values_out[i] << std::endl;
}
}
if (all_good)
return 0;
else
return 1;
}