mx/Jungfraujoch
0
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases 37 Wiki Activity

FPGA: Add multipixel (-> TODO calculate proper number)

Browse Source
This commit is contained in:
leonarski_f
2023-10-24 16:43:24 +02:00
parent 6d74732bf5
commit e1a6830c50
5 changed files with 282 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

196
fpga/hls/add_multipixel.cpp Normal file
View File

@@ -0,0 +1,196 @@
// Copyright (2019-2023) Paul Scherrer Institute
#include "hls_jfjoch.h"
struct add_multipixel_packet {
ap_uint<512> data;
ap_uint<1> user;
ap_uint<1> last;
};
void add_multipixel_in_stream(STREAM_512 &data_in,
hls::stream<add_multipixel_packet> &data_out) {
packet_512_t packet_in;
data_in >> packet_in;
data_out << add_multipixel_packet{.data = packet_in.data, .user = packet_in.user, .last = packet_in.last};
data_in >> packet_in;
while (!packet_in.user) {
#pragma HLS PIPELINE II=1
data_out << add_multipixel_packet{.data = packet_in.data, .user = packet_in.user, .last = packet_in.last};
data_in >> packet_in;
}
data_out << add_multipixel_packet{.data = packet_in.data, .user = packet_in.user, .last = packet_in.last};
}
void add_multipixel_cols(hls::stream<add_multipixel_packet> &data_in,
hls::stream<add_multipixel_packet> &data_out) {
#pragma HLS INTERFACE axis port=data_in
#pragma HLS INTERFACE axis port=data_out
add_multipixel_packet packet_in, packet_out;
data_in >> packet_in;
data_out << packet_in;
ap_uint<1> add_multipixel = ((ACT_REG_MODE(packet_in.data) & MODE_ADD_MULTIPIXEL)) ? 1 : 0;
data_in >> packet_in;
if (!add_multipixel) {
while (!packet_in.user) {
#pragma HLS PIPELINE II=1
data_out << packet_in;
data_in >> packet_in;
}
} else {
while (!packet_in.user) {
#pragma HLS PIPELINE II=33
packet_out.last = 0;
packet_out.user = 0;
ap_uint<512> save = packet_in.data;
data_in >> packet_in;
for (int i = 1; i < 8; i++) {
packet_out.data(511-8,0) = save(511,16);
packet_out.data(511,512-16) = packet_in.data(15, 0);
data_out << packet_out;
save = packet_in.data;
data_in >> packet_in;
}
packet_out = packet_in;
packet_out.data = save(511,16);
data_out << packet_out;
save = 0;
for (int k = 1; k < 4; k++) {
for (int i = 0; i < 8; i++) {
packet_out.data(511, (k * 2 - 1) * 16) = packet_in.data(511 - (k * 2 - 1) * 16, 0);
packet_out.data((k * 2 - 1) * 16 - 1, 0) = save;
save = packet_in.data(511, 512 - (2 * k - 1) * 16);
data_out << packet_out;
data_in >> packet_in;
}
}
packet_out.data = save;
packet_out.last = 0;
packet_out.user = 0;
data_out << packet_out;
}
}
data_out << packet_in;
}
void add_multipixel_line(hls::stream<add_multipixel_packet> &data_in,
hls::stream<add_multipixel_packet> &data_out) {
add_multipixel_packet packet_in, packet_out;
data_in >> packet_in;
data_out << packet_in;
ap_uint<1> add_multipixel = ((ACT_REG_MODE(packet_in.data) & MODE_ADD_MULTIPIXEL)) ? 1 : 0;
data_in >> packet_in;
if (!add_multipixel) {
while (!packet_in.user) {
#pragma HLS PIPELINE II=1
data_out << packet_in;
data_in >> packet_in;
}
} else {
while (!packet_in.user) {
for (int i = 0; i < 255 * 33; i++) {
#pragma HLS PIPELINE II=1
if (i >= 33)
data_out << packet_in;
data_in >> packet_in;
}
for (int k = 0; k < 2; k++) {
#pragma HLS PIPELINE II=66
ap_uint<512> packet[33];
for (int i = 0; i < 33; i++) {
packet[i] = packet_in.data;
data_out << packet_in;
data_in >> packet_in;
}
for (int i = 0; i < 33; i++) {
data_out << add_multipixel_packet{.data = packet[i], .user = 0, .last = 0};
}
}
for (int i = 0; i < 255 * 33; i++) {
#pragma HLS PIPELINE II=1
if (i < 254*33)
data_out << packet_in;
data_in >> packet_in;
}
}
}
data_out << packet_in;
}
void add_multipixel_output(hls::stream<add_multipixel_packet> &data_in,
STREAM_512 &data_out) {
add_multipixel_packet packet_in;
packet_512_t packet_out;
data_in >> packet_in;
data_out << packet_512_t{.data = packet_in.data, .user = packet_in.user, .last = packet_in.last};
ap_uint<1> add_multipixel = ((ACT_REG_MODE(packet_in.data) & MODE_ADD_MULTIPIXEL)) ? 1 : 0;
data_in >> packet_in;
if (!add_multipixel) {
while (!packet_in.user) {
for (int i = 0; i < 512 * 32; i++) {
#pragma HLS PIPELINE II=1
data_out << packet_512_t{.data = packet_in.data, .user = packet_in.user, .last = (i == 512 * 32 - 1)};
data_in >> packet_in;
}
}
} else {
while (!packet_in.user) {
for (int i = 0; i < 64; i++) {
packet_out.user = 0;
packet_out.last = 0;
for (int j = 0; j < 32; j++) {
#pragma HLS PIPELINE II=1
data_out << packet_512_t{.data = packet_in.data, .user = packet_in.user, .last = 0};
data_in >> packet_in;
}
ap_uint<512-64> save = 0;
for (int k = 1; k < 8; k++) {
#pragma HLS PIPELINE OFF
for (int j = 0; j < 33; j++) {
#pragma HLS PIPELINE II=1
if (j == 0) {
save(64 * k - 1, 64 * (k-1)) = packet_in.data(64, 0);
data_in >> packet_in;
} else {
packet_out.data(64 * k - 1, 0) = save(64 * k - 1, 0);
packet_out.data(511, 64 * k) = packet_in.data(511 - 64 * k, 0);
save(64 * k - 1, 0) = packet_in.data(511, 512 - 64 * k);
data_out << packet_out;
data_in >> packet_in;
}
}
}
packet_out.data(64 * 7, 0) = save;
packet_out.data(511, 512 - 64) = packet_in.data(63, 0);
data_out << packet_out;
data_in >> packet_in;
}
}
}
data_out << packet_512_t{.data = packet_in.data, .user = packet_in.user, .last = packet_in.last};
}
void add_multipixel(STREAM_512 &data_in, STREAM_512 &data_out) {
#pragma HLS INTERFACE axis port=data_in
#pragma HLS INTERFACE axis port=data_out
#pragma HLS DATAFLOW
hls::stream<add_multipixel_packet, 2> stream_0;
hls::stream<add_multipixel_packet, 2> stream_1;
hls::stream<add_multipixel_packet, 2> stream_2;
add_multipixel_in_stream(data_in, stream_0);
add_multipixel_cols(stream_0, stream_1);
add_multipixel_line(stream_1, stream_2);
add_multipixel_output(stream_2, data_out);
}