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Trigger GPIO beam control only when beam changes

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This commit is contained in:
Florian Kaltenberger
2023-01-20 10:33:47 +01:00
committed by Robert Schmidt
parent 3d03e522d3
commit e38b2433df
1 changed files with 10 additions and 15 deletions
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executables/nr-ru.c
+10 -15
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@@ -779,24 +779,19 @@ void tx_rf(RU_t *ru,int frame,int slot, uint64_t timestamp) {
}
if (fp->freq_range==nr_FR2) {
// currently we switch beams every 10 slots (should = 1 TDD period in FR2) and we take the beam index of the first symbol of the first slot of this period
int beam=0;
// currently we switch beams at the beginning of a slot and we take the beam index of the first symbol of this slot
// we only send the beam to the gpio if the beam is different from the previous slot
if (slot%10==0) {
if ( ru->common.beam_id && (ru->common.beam_id[0][slot*fp->symbols_per_slot] < 8)) {
beam = ru->common.beam_id[0][slot*fp->symbols_per_slot];
if ( ru->common.beam_id) {
int prev_slot = (slot - 1 + fp->slots_per_frame) % fp->slots_per_frame;
const uint8_t *beam_ids = ru->common.beam_id[0];
int prev_beam = beam_ids[prev_slot * fp->symbols_per_slot];
int beam = beam_ids[slot * fp->symbols_per_slot];
if (prev_beam != beam) {
flags_gpio = beam | TX_GPIO_CHANGE; // enable change of gpio
LOG_D(HW, "slot %d, beam %d\n", slot, ru->common.beam_id[0][slot * fp->symbols_per_slot]);
}
}
LOG_D(HW,"slot %d, beam %d\n",slot,ru->common.beam_id[0][slot*fp->symbols_per_slot]);
/*
if (slot==0 || slot==40) beam=0|8;
if (slot==10 || slot==50) beam=1|8;
if (slot==20 || slot==60) beam=2|8;
if (slot==30 || slot==70) beam=3|8;
*/
flags_gpio = beam | TX_GPIO_CHANGE; //enable change of gpio
}
const int flags = flags_burst | flags_gpio << 4;