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

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

View File

@@ -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