mirror of https://github.com/PentHertz/srsLTE.git
Added sequence advance without generating data
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@ -39,9 +39,11 @@ typedef struct SRSLTE_API {
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uint32_t x2;
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} srslte_sequence_state_t;
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void srslte_sequence_state_init(srslte_sequence_state_t* s, uint32_t seed);
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SRSLTE_API void srslte_sequence_state_init(srslte_sequence_state_t* s, uint32_t seed);
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void srslte_sequence_state_gen_f(srslte_sequence_state_t* s, float value, float* out, uint32_t length);
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SRSLTE_API void srslte_sequence_state_gen_f(srslte_sequence_state_t* s, float value, float* out, uint32_t length);
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SRSLTE_API void srslte_sequence_state_advance(srslte_sequence_state_t* s, uint32_t length);
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typedef struct SRSLTE_API {
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uint8_t* c;
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@ -274,6 +274,24 @@ void srslte_sequence_state_gen_f(srslte_sequence_state_t* s, float value, float*
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}
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}
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void srslte_sequence_state_advance(srslte_sequence_state_t* s, uint32_t length)
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{
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uint32_t i = 0;
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if (length >= SEQUENCE_PAR_BITS) {
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for (; i < length - (SEQUENCE_PAR_BITS - 1); i += SEQUENCE_PAR_BITS) {
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// Step sequences
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s->x1 = sequence_gen_LTE_pr_memless_step_par_x1(s->x1);
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s->x2 = sequence_gen_LTE_pr_memless_step_par_x2(s->x2);
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}
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}
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for (; i < length; i++) {
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// Step sequences
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s->x1 = sequence_gen_LTE_pr_memless_step_x1(s->x1);
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s->x2 = sequence_gen_LTE_pr_memless_step_x2(s->x2);
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}
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}
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// static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
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int srslte_sequence_set_LTE_pr(srslte_sequence_t* q, uint32_t len, uint32_t seed)
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{
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