Files
Jungfraujoch/fpga/hls/host_writer.cpp

184 lines
6.5 KiB
C++

// Copyright (2019-2023) Paul Scherrer Institute
#include "hls_jfjoch.h"
#ifndef __SYNTHESIS__
#include <thread>
#endif
inline void write_completion(hls::stream<ap_uint<32> > &m_axis_completion,
const ap_uint<32> &handle,
const ap_uint<8> &module_number,
const ap_uint<64> &frame_num,
const ap_uint<128> &packet_mask,
const ap_uint<16> &packet_count,
const ap_uint<32> &debug,
const ap_uint<64> &timestamp,
const ap_uint<64> &bunchid,
const ap_uint<32> &exptime,
const ap_uint<32> &data_collection_id) {
#pragma HLS INLINE
ap_uint<1> all_packets_ok = packet_mask.and_reduce();
ap_uint<1> any_packets_received = packet_mask.or_reduce();
ap_uint<8> status = 0;
status[0] = all_packets_ok;
status[1] = any_packets_received;
ap_uint<128> tmp = (handle, packet_count, status, module_number, frame_num);
status[7] = tmp.xor_reduce(); // ensure completion has even parity
if (handle != HANDLE_SKIP_FRAME) {
m_axis_completion << handle;
m_axis_completion << (packet_count, status, module_number);
m_axis_completion << frame_num(63, 32);
m_axis_completion << frame_num(31, 0);
m_axis_completion << timestamp(63,32);
m_axis_completion << timestamp(31,0);
m_axis_completion << bunchid(63,32);
m_axis_completion << bunchid(31,0);
m_axis_completion << exptime;
m_axis_completion << debug;
m_axis_completion << 0;
m_axis_completion << data_collection_id;
m_axis_completion << packet_mask(127,96);
m_axis_completion << packet_mask( 95,64);
m_axis_completion << packet_mask( 63,32);
m_axis_completion << packet_mask( 31, 0);
}
}
inline ap_uint<1> read_request(hls::stream<ap_uint<32> > &s_axis_work_request,
ap_uint<32> &handle,
ap_uint<64> &address) {
#pragma HLS INLINE
ap_uint<32> tmp1, tmp2, tmp3, tmp4;
s_axis_work_request >> tmp1;
s_axis_work_request >> tmp2;
s_axis_work_request >> tmp3;
s_axis_work_request >> tmp4;
handle = tmp1;
address = (tmp2, tmp3);
ap_uint<128> tmp_all = (tmp1, tmp2, tmp3, tmp4);
if (tmp_all.xor_reduce() != 0)
return 1;
else
return 0;
}
void host_writer(STREAM_512 &data_in,
hls::stream<ap_uint<192>> &integration_in,
hls::stream<ap_uint<512>> &spot_finder_in,
hls::stream<axis_completion > &s_axis_completion,
hls::stream<ap_axiu<512,1,1,1> > &host_memory_out,
hls::stream<axis_datamover_ctrl> &datamover_out_cmd,
hls::stream<ap_uint<32> > &s_axis_work_request,
hls::stream<ap_uint<32> > &m_axis_completion,
volatile uint64_t &packets_processed,
volatile ap_uint<1> &idle,
volatile ap_uint<8> &err_reg) {
#pragma HLS INTERFACE ap_ctrl_none port=return
#pragma HLS INTERFACE register both axis port=data_in
#pragma HLS INTERFACE register both axis port=integration_in
#pragma HLS INTERFACE register both axis port=spot_finder_in
#pragma HLS INTERFACE register both axis port=s_axis_completion
#pragma HLS INTERFACE register both axis port=host_memory_out
#pragma HLS INTERFACE register both axis port=datamover_out_cmd
#pragma HLS INTERFACE register both axis port=m_axis_completion
#pragma HLS INTERFACE register both axis port=s_axis_work_request
#pragma HLS INTERFACE register ap_vld port=packets_processed
#pragma HLS INTERFACE register ap_vld port=err_reg
#pragma HLS INTERFACE register ap_none port=idle
err_reg = 0;
idle = 1;
ap_uint<32> req_handle;
ap_uint<64> req_host_offset;
while (data_in.empty()) {
#pragma HLS PIPELINE II=4
if (!s_axis_work_request.empty())
read_request(s_axis_work_request, req_handle, req_host_offset);
}
packet_512_t packet;
data_in >> packet;
ap_uint<32> data_collection_mode = ACT_REG_MODE(packet.data);
ap_uint<32> data_collection_id = data_collection_mode(31, 16);
uint64_t internal_packets_processed = 0;
packets_processed = internal_packets_processed;
write_completion(m_axis_completion, HANDLE_START, 0, 0, 0, 0, 0, 0, 0, 0, data_collection_id);
idle = 0;
axis_completion cmpl;
s_axis_completion >> cmpl;
while (!cmpl.last) {
read_request(s_axis_work_request, req_handle, req_host_offset);
setup_datamover(datamover_out_cmd, req_host_offset,
RAW_MODULE_SIZE * sizeof(uint16_t) * (16 + 1) / 16 + (FPGA_INTEGRATION_BIN_COUNT)*64);
packet_512_t packet_out;
packet_out.strb = UINT64_MAX;
packet_out.keep = UINT64_MAX;
packet_out.dest = 0;
packet_out.user = 0;
packet_out.id = 0;
packet_out.last = 0;
for (int i = 0; i < RAW_MODULE_SIZE * sizeof(uint16_t) / 64; i++) {
#pragma HLS PIPELINE II=1
data_in >> packet;
packet_out.data = packet.data;
host_memory_out << packet_out;
}
for (int i = 0; i < RAW_MODULE_SIZE * sizeof(uint16_t) / (64 * 16); i++) {
#pragma HLS PIPELINE II=1
spot_finder_in >> packet_out.data;
host_memory_out << packet_out;
}
for (int i = 0; i < FPGA_INTEGRATION_BIN_COUNT; i++) {
#pragma HLS PIPELINE II=1
ap_uint<192> tmp;
integration_in >> tmp;
packet_out.data = tmp;
if (i == FPGA_INTEGRATION_BIN_COUNT - 1)
packet_out.last = 1;
host_memory_out << packet_out;
}
write_completion(m_axis_completion,
req_handle,
cmpl.module,
cmpl.frame_number,
cmpl.packet_mask,
cmpl.packet_count,
cmpl.debug,
cmpl.timestamp,
cmpl.bunchid,
cmpl.exptime,
data_collection_id);
internal_packets_processed += cmpl.packet_count;
packets_processed = internal_packets_processed;
s_axis_completion >> cmpl;
}
data_in >> packet;
write_completion(m_axis_completion, HANDLE_END, 0, 0, 0, 0, 0, 0, 0, 0, data_collection_id);
}