implemented matterhorn transformer for 4 bit dynamic range

This commit is contained in:
2026-02-02 20:30:53 +01:00
parent f961ef6fee
commit 384922300d
5 changed files with 142 additions and 87 deletions

View File

@@ -50,7 +50,7 @@ void define_ctb_raw_file_io_bindings(py::module &m) {
return output;
});
m.def("adc_sar_05_decode64to16", [](py::array_t<uint8_t> input) {
if (input.ndim() != 2) {
throw std::runtime_error(
@@ -121,67 +121,81 @@ void define_ctb_raw_file_io_bindings(py::module &m) {
});
m.def("expand24to32bit",
[](py::array_t<uint8_t, py::array::c_style | py::array::forcecast>
&input, uint32_t offset){
[](py::array_t<uint8_t, py::array::c_style | py::array::forcecast>
&input,
uint32_t offset) {
aare::BitOffset bitoff(offset);
py::buffer_info buf = input.request();
aare::BitOffset bitoff(offset);
py::buffer_info buf = input.request();
constexpr uint32_t bytes_per_channel = 3; // 24 bit
py::array_t<uint32_t> output(buf.size / bytes_per_channel);
constexpr uint32_t bytes_per_channel = 3; //24 bit
py::array_t<uint32_t> output(buf.size/bytes_per_channel);
NDView<uint8_t, 1> input_view(input.mutable_data(),
{input.size()});
NDView<uint32_t, 1> output_view(output.mutable_data(),
{output.size()});
NDView<uint8_t, 1> input_view(input.mutable_data(),
{input.size()});
NDView<uint32_t, 1> output_view(output.mutable_data(),
{output.size()});
aare::expand24to32bit(input_view, output_view, bitoff);
return output;
});
aare::expand24to32bit(input_view, output_view, bitoff);
return output;
m.def("expand4to8bit",
[](py::array_t<uint8_t, py::array::c_style | py::array::forcecast>
&input) {
py::buffer_info buf = input.request();
});
py::array_t<uint8_t> output(buf.size * 2);
NDView<uint8_t, 1> input_view(input.mutable_data(),
{input.size()});
NDView<uint8_t, 1> output_view(output.mutable_data(),
{output.size()});
aare::expand4to8bit(input_view, output_view);
return output;
});
m.def("decode_my302",
[](py::array_t<uint8_t, py::array::c_style | py::array::forcecast>
&input, uint32_t offset){
[](py::array_t<uint8_t, py::array::c_style | py::array::forcecast>
&input,
uint32_t offset) {
// Physical layout of the chip
constexpr size_t channels = 64;
constexpr size_t counters = 3;
constexpr size_t bytes_per_channel = 3; // 24 bit
constexpr int n_outputs = 2;
// Physical layout of the chip
constexpr size_t channels = 64;
constexpr size_t counters = 3;
constexpr size_t bytes_per_channel = 3; //24 bit
constexpr int n_outputs = 2;
ssize_t expected_size = channels * counters * bytes_per_channel;
ssize_t expected_size = channels*counters*bytes_per_channel;
// If whe have an offset we need one extra byte per output
aare::BitOffset bitoff(offset);
if (bitoff.value())
expected_size += n_outputs;
//If whe have an offset we need one extra byte per output
aare::BitOffset bitoff(offset);
if(bitoff.value())
expected_size += n_outputs;
if (input.size() != expected_size) {
throw std::runtime_error(fmt::format(
"{} Expected an input size of {} bytes. Called "
"with input size of {}",
LOCATION, expected_size, input.size()));
}
if (input.size() != expected_size) {
throw std::runtime_error(
fmt::format("{} Expected an input size of {} bytes. Called "
"with input size of {}",
LOCATION, expected_size, input.size()));
}
py::buffer_info buf = input.request();
py::array_t<uint32_t> output(channels * counters);
py::buffer_info buf = input.request();
py::array_t<uint32_t> output(channels * counters);
for (int i = 0; i != n_outputs; ++i) {
auto step = input.size() / n_outputs;
auto out_step = output.size() / n_outputs;
NDView<uint8_t, 1> input_view(input.mutable_data() + step * i,
{input.size() / n_outputs});
NDView<uint32_t, 1> output_view(output.mutable_data() +
out_step * i,
{output.size() / n_outputs});
for (int i = 0; i!=n_outputs; ++i){
auto step = input.size()/n_outputs;
auto out_step = output.size()/n_outputs;
NDView<uint8_t, 1> input_view(input.mutable_data()+step*i,
{input.size()/n_outputs});
NDView<uint32_t, 1> output_view(output.mutable_data()+out_step*i,
{output.size()/n_outputs});
aare::expand24to32bit(input_view, output_view, bitoff);
}
aare::expand24to32bit(input_view, output_view, bitoff);
}
return output;
});
return output;
});
py::class_<CtbRawFile>(m, "CtbRawFile")
.def(py::init<const std::filesystem::path &>())