[osmo-bts PATCH 2/5] osmo-bts-sysmo/utils.c: Added a function for calculate the power transmitter

From: Álvaro Neira Ayuso &lt;anayuso(a)sysmocom.de&gt; Signed-off-by: Alvaro Neira Ayuso &lt;anayuso(a)sysmocom.de&gt; --- src/osmo-bts-sysmo/oml.c | 4 ++-- src/osmo-bts-sysmo/utils.c | 11 +++++++++++ src/osmo-bts-sysmo/utils.h | 1 + 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/src/osmo-bts-sysmo/oml.c b/src/osmo-bts-sysmo/oml.c index 1543f85..4ebf664 100644 --- a/src/osmo-bts-sysmo/oml.c +++ b/src/osmo-bts-sysmo/oml.c @@ -323,7 +323,7 @@ static int trx_init(struct gsm_bts_trx *trx) dev_par->u16BcchArfcn = trx->bts->c0->arfcn; dev_par->u8NbTsc = trx->bts->bsic & 7; dev_par->fRxPowerLevel = fl1h->ul_power_target; - dev_par->fTxPowerLevel = trx->nominal_power - trx->max_power_red; + dev_par->fTxPowerLevel = sysmobts_get_power_trx(trx); LOGP(DL1C, LOGL_NOTICE, "Init TRX (ARFCN %u, TSC %u, RxPower % 2f dBm, " "TxPower % 2.2f dBm\n", dev_par->u16Arfcn, dev_par->u8NbTsc, dev_par->fRxPowerLevel, dev_par->fTxPowerLevel); @@ -1544,7 +1544,7 @@ int bts_model_apply_oml(struct gsm_bts *bts, struct msgb *msg, /* Did we go through MphInit yet? If yes fire and forget */ if (fl1h->hLayer1) - l1if_set_txpower(fl1h, trx->nominal_power - trx->max_power_red); + l1if_set_txpower(fl1h, sysmobts_get_power_trx(trx)); } /* FIXME: we actaully need to send a ACK or NACK for the OML message */ diff --git a/src/osmo-bts-sysmo/utils.c b/src/osmo-bts-sysmo/utils.c index f576eef..af1e5d2 100644 --- a/src/osmo-bts-sysmo/utils.c +++ b/src/osmo-bts-sysmo/utils.c @@ -136,3 +136,14 @@ int sysmobts_get_nominal_power(struct gsm_bts_trx *trx) } return -1; } + +int sysmobts_get_power_trx(struct gsm_bts_trx *trx) +{ + int power_transmitter = trx->nominal_power - trx->max_power_red; + power_transmitter -= trx->power_reduce; + + if (power_transmitter < 0) + power_transmitter = 0; + + return power_transmitter; +} diff --git a/src/osmo-bts-sysmo/utils.h b/src/osmo-bts-sysmo/utils.h index ff41437..aef774c 100644 --- a/src/osmo-bts-sysmo/utils.h +++ b/src/osmo-bts-sysmo/utils.h @@ -12,4 +12,5 @@ int sysmobts_select_femto_band(struct gsm_bts_trx *trx, uint16_t arfcn); int sysmobts_get_nominal_power(struct gsm_bts_trx *trx); +int sysmobts_get_power_trx(struct gsm_bts_trx *trx); #endif -- 1.7.10.4