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Added srsLTE helper for determining number of RI bits

This commit is contained in:
Xavier Arteaga 2020-04-07 17:20:36 +02:00 committed by Xavier Arteaga
parent 8b265883e4
commit cb6a8444df
2 changed files with 21 additions and 1 deletions
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7
lib/include/srslte/phy/common/phy_common.h
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@ -451,6 +451,13 @@ SRSLTE_API const char* srslte_ack_nack_feedback_mode_string(srslte_ack_nack_feed
*/
SRSLTE_API srslte_ack_nack_feedback_mode_t srslte_string_ack_nack_feedback_mode(const char* str);
/**
* Returns the number of bits for Rank Indicador reporting depending on the cell
*
* @param cell
*/
SRSLTE_API uint32_t srslte_ri_nof_bits(const srslte_cell_t* cell);
#ifdef __cplusplus
}
#endif

15
lib/src/phy/common/phy_common.c
View File

@ -854,4 +854,17 @@ srslte_ack_nack_feedback_mode_t srslte_string_ack_nack_feedback_mode(const char*
// Otherwise Normal
return SRSLTE_PUCCH_ACK_NACK_FEEDBACK_MODE_NORMAL;
}
}
uint32_t srslte_ri_nof_bits(const srslte_cell_t* cell)
{
uint32_t ret = 0;
if (cell->nof_ports == 2) {
ret = 1;
} else if (cell->nof_ports > 2) {
ret = 2;
}
return ret;
}