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added correct decoder for ADC-SAR-05-06-07-08 ASIC (#266)

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Adding function to correctly decode the ADC-SAR-05-06-07-08 Chip. 

Co-authored-by: Erik Fröjdh <erik.frojdh@psi.ch>
This commit is contained in:
siebsi
2026-01-20 16:38:06 +01:00
committed by GitHub
parent f79ee55430
commit 31f3a60cd3
4 changed files with 66 additions and 1 deletions
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3
include/aare/decode.hpp
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@@ -7,8 +7,11 @@
namespace aare {
uint16_t adc_sar_05_06_07_08decode64to16(uint64_t input);
uint16_t adc_sar_05_decode64to16(uint64_t input);
uint16_t adc_sar_04_decode64to16(uint64_t input);
void adc_sar_05_06_07_08decode64to16(NDView<uint64_t, 2> input,
NDView<uint16_t, 2> output);
void adc_sar_05_decode64to16(NDView<uint64_t, 2> input,
NDView<uint16_t, 2> output);
void adc_sar_04_decode64to16(NDView<uint64_t, 2> input,

7
python/aare/transform.py
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@@ -10,6 +10,10 @@ class AdcSar04Transform64to16:
class AdcSar05Transform64to16:
def __call__(self, data):
return _aare.adc_sar_05_decode64to16(data)
class AdcSar05060708Transform64to16:
def __call__(self, data):
return _aare.adc_sar_05_06_07_08decode64to16(data)
class Moench05Transform:
#Could be moved to C++ without changing the interface
@@ -93,4 +97,5 @@ moench05_1g = Moench05Transform1g()
moench05_old = Moench05TransformOld()
matterhorn02 = Matterhorn02Transform()
adc_sar_04_64to16 = AdcSar04Transform64to16()
adc_sar_05_64to16 = AdcSar05Transform64to16()
adc_sar_05_64to16 = AdcSar05Transform64to16()
adc_sar_05_06_07_08_64to16 = AdcSar05060708Transform64to16()

24
python/src/ctb_raw_file.hpp
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@@ -27,6 +27,30 @@ using namespace ::aare;
void define_ctb_raw_file_io_bindings(py::module &m) {
m.def("adc_sar_05_06_07_08decode64to16", [](py::array_t<uint8_t> input) {
if (input.ndim() != 2) {
throw std::runtime_error(
"Only 2D arrays are supported at this moment");
}
// Create a 2D output array with the same shape as the input
std::vector<ssize_t> shape{input.shape(0),
input.shape(1) /
static_cast<ssize_t>(bits_per_byte)};
py::array_t<uint16_t> output(shape);
// Create a view of the input and output arrays
NDView<uint64_t, 2> input_view(
reinterpret_cast<uint64_t *>(input.mutable_data()),
{output.shape(0), output.shape(1)});
NDView<uint16_t, 2> output_view(output.mutable_data(),
{output.shape(0), output.shape(1)});
adc_sar_05_06_07_08decode64to16(input_view, output_view);
return output;
});
m.def("adc_sar_05_decode64to16", [](py::array_t<uint8_t> input) {
if (input.ndim() != 2) {
throw std::runtime_error(

33
src/decode.cpp
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@@ -4,6 +4,39 @@
#include <cmath>
namespace aare {
uint16_t adc_sar_05_06_07_08decode64to16(uint64_t input) {
// we want bits 29,17,28,18,31,21,27,20,24,23,25,22 and then pad to 16
uint16_t output = 0;
output |= ((input >> 22) & 1) << 11;
output |= ((input >> 25) & 1) << 10;
output |= ((input >> 23) & 1) << 9;
output |= ((input >> 24) & 1) << 8;
output |= ((input >> 20) & 1) << 7;
output |= ((input >> 27) & 1) << 6;
output |= ((input >> 21) & 1) << 5;
output |= ((input >> 31) & 1) << 4;
output |= ((input >> 18) & 1) << 3;
output |= ((input >> 28) & 1) << 2;
output |= ((input >> 17) & 1) << 1;
output |= ((input >> 29) & 1) << 0;
return output;
}
void adc_sar_05_06_07_08decode64to16(NDView<uint64_t, 2> input,
NDView<uint16_t, 2> output) {
if (input.shape() != output.shape()) {
throw std::invalid_argument(LOCATION +
" input and output shapes must match");
}
for (ssize_t i = 0; i < input.shape(0); i++) {
for (ssize_t j = 0; j < input.shape(1); j++) {
output(i, j) = adc_sar_05_06_07_08decode64to16(input(i, j));
}
}
}
uint16_t adc_sar_05_decode64to16(uint64_t input) {
// we want bits 29,19,28,18,31,21,27,20,24,23,25,22 and then pad to 16