Files
Jungfraujoch/receiver/host/FPGAAcquisitionDevice.cpp
T

100 lines
4.1 KiB
C++

// Copyright (2019-2023) Paul Scherrer Institute
// SPDX-License-Identifier: GPL-3.0-or-later
#include "FPGAAcquisitionDevice.h"
void FPGAAcquisitionDevice::HW_StartAction() {
FPGA_StartAction();
read_work_completion_future = std::async(std::launch::async, &FPGAAcquisitionDevice::ReadWorkCompletionThread, this);
}
void FPGAAcquisitionDevice::StartSendingWorkRequests() {
stop_work_requests = false;
send_work_request_future = std::async(std::launch::async, &FPGAAcquisitionDevice::SendWorkRequestThread, this);
}
void FPGAAcquisitionDevice::HW_EndAction() {
read_work_completion_future.get();
stop_work_requests = true;
send_work_request_future.get();
FPGA_EndAction();
}
void FPGAAcquisitionDevice::ReadWorkCompletionThread() {
uint32_t values[12];
Completion c{};
bool quit_loop = false;
do {
while (!HW_ReadMailbox(values))
std::this_thread::sleep_for(std::chrono::microseconds(10));
c = parse_hw_completion(values);
if (c.data_collection_id == data_collection_id) {
work_completion_queue.PutBlocking(c);
if (c.type == Completion::Type::End)
quit_loop = true;
}
} while (!quit_loop);
}
void FPGAAcquisitionDevice::SendWorkRequestThread() {
while (!stop_work_requests) {
WorkRequest wr{};
if (work_request_queue.Get(wr)) {
if ( !HW_SendWorkRequest(wr.handle)) {
work_request_queue.Put(wr);
std::this_thread::sleep_for(std::chrono::microseconds(10));
}
} else {
std::this_thread::sleep_for(std::chrono::microseconds(10));
}
}
}
void FPGAAcquisitionDevice::InitializeCalibration(const DiffractionExperiment &experiment, const JFCalibration &calib) {
auto offset = experiment.GetFirstModuleOfDataStream(data_stream);
if (calib.GetModulesNum() != experiment.GetModulesNum())
throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
"Mismatch regarding module count in calibration and experiment description");
if (calib.GetStorageCellNum() != experiment.GetStorageCellNumber())
throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
"Mismatch regarding storage cell count in calibration and experiment description");
size_t modules = experiment.GetModulesNum(data_stream);
if (1 + modules * (3 + 3 * experiment.GetStorageCellNumber()) > buffer_device.size())
throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
"Not enough host/FPGA buffers to load all calibration constants");
for (int m = 0; m < modules; m++) {
calib.GainCalibration(m).ExportG0(buffer_device[1 + m]);
calib.GainCalibration(m).ExportG1(buffer_device[1 + m + modules]);
calib.GainCalibration(m).ExportG2(buffer_device[1 + m + modules * 2]);
}
for (int s = 0; s < experiment.GetStorageCellNumber(); s++) {
auto mask = calib.CalculateMask(experiment, s);
for (int m = 0; m < modules; m++) {
auto pedestal_g0 = calib.Pedestal(offset + m, 0, s).GetPedestal();
auto pedestal_g1 = calib.Pedestal(offset + m, 1, s).GetPedestal();
auto pedestal_g2 = calib.Pedestal(offset + m, 2, s).GetPedestal();
for (int i = 0; i < RAW_MODULE_SIZE; i++) {
if (experiment.GetApplyPixelMaskInFPGA() && (mask[(offset + m) * RAW_MODULE_SIZE + i] != 0)) {
buffer_device[1 + m + (3 + 0 * 16 + s) * modules][i] = 16384;
buffer_device[1 + m + (3 + 1 * 16 + s) * modules][i] = 16384;
buffer_device[1 + m + (3 + 2 * 16 + s) * modules][i] = 16384;
} else {
buffer_device[1 + m + (3 + 0 * 16 + s) * modules][i] = pedestal_g0[i];
buffer_device[1 + m + (3 + 1 * 16 + s) * modules][i] = pedestal_g1[i];
buffer_device[1 + m + (3 + 2 * 16 + s) * modules][i] = pedestal_g2[i];
}
}
}
}
}