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ms: sch: drop intermediate softvector 

Change-Id: Iadc8f224f9e43282339197b11f388fc574656299
This commit is contained in:
Eric Wild 2023-05-22 22:50:43 +02:00 committed by Eric
parent 6a3e4b32f0
commit 2f40abd8f5
2 changed files with 6 additions and 10 deletions
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2
Transceiver52M/ms/ms.h
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@ -289,7 +289,7 @@ struct ms_trx : public BASET {
bool handle_sch_or_nb();
bool handle_sch(bool first = false);
bool decode_sch(float *bits, bool update_global_clock);
bool decode_sch(char *bits, bool update_global_clock);
SCH_STATE search_for_sch(dev_buf_t *rcd);
void grab_bursts(dev_buf_t *rcd);

14
Transceiver52M/ms/ms_rx_lower.cpp
View File

@ -51,15 +51,16 @@ extern "C" {
#endif
#define PRINT_Q_OVERFLOW
bool ms_trx::decode_sch(float *bits, bool update_global_clock)
bool ms_trx::decode_sch(char *bits, bool update_global_clock)
{
int fn;
struct sch_info sch;
ubit_t info[GSM_SCH_INFO_LEN];
sbit_t data[GSM_SCH_CODED_LEN];
float_to_sbit(&bits[3], &data[0], 1, 39);
float_to_sbit(&bits[106], &data[39], 1, 39);
memcpy(&data[0], &bits[3], 39);
memcpy(&data[39], &bits[106], 39);
if (!gsm_sch_decode(info, data)) {
gsm_sch_parse(info, &sch);
@ -171,12 +172,7 @@ bool ms_trx::handle_sch(bool is_first_sch_acq)
}
detect_burst(&ss[start], &channel_imp_resp[0], 0, sch_demod_bits);
SoftVector bitss(148);
for (int i = 0; i < 148; i++) {
bitss[i] = (sch_demod_bits[i]);
}
auto sch_decode_success = decode_sch(bitss.begin(), is_first_sch_acq);
auto sch_decode_success = decode_sch(sch_demod_bits, is_first_sch_acq);
if (sch_decode_success) {
const auto ts_offset_symb = 0;