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Jungfraujoch/fpga/hls_tb/stream768to512_tb.cpp
T
2024-11-22 21:25:20 +01:00

70 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() {
bool all_good = true;
STREAM_768 input;
STREAM_512 output;
packet_768_t packet_in;
packet_in.user = 0;
packet_in.data = 0;
ACT_REG_MODE(packet_in.data) = MODE_32BIT_OUTPUT;
input << packet_in;
ap_int<24> values_in[32];
ap_int<32> values_out[32];
for (int i = 0; i < 30; 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};
volatile ap_uint<1> idle;
stream768to512(input, output, idle);
if (output.size() != 4) {
std::cerr << "Wrong output size" << std::endl;
return 1;
}
output.read();
packet_512_t packet_out_1 = output.read();
packet_512_t packet_out_2 = output.read();
output.read();
ap_uint<1024> packet_out = (packet_out_2.data, packet_out_1.data);
unpack32(packet_out, values_out);
for (int i = 0; i < 32; i++) {
int32_t value_expected = values_in[i];
if (values_in[i] == INT24_MAX)
value_expected = INT32_MAX;
if (values_in[i] == INT24_MIN)
value_expected = INT32_MIN;
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;
}