diff options
| author | Harald Welte <laforge@gnumonks.org> | 2013-10-05 18:10:09 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2013-10-09 15:38:33 +0200 |
| commit | 50e63fa9e7e89b4966007d90d29b0e5ba88d988d (patch) | |
| tree | 07278795aa5b76d96f61d6e6e2fd6da1209e4b75 | |
| parent | 19009f2d7ae805ca8037747934cb9c76f533022c (diff) | |
sysmobts: Set nominal transmit power depending on sysmoBTS model
This enables the use of up to 5W for each TRX in a sysmoBTS 2050.
| -rw-r--r-- | src/osmo-bts-sysmo/main.c | 11 | ||||
| -rw-r--r-- | src/osmo-bts-sysmo/utils.c | 20 | ||||
| -rw-r--r-- | src/osmo-bts-sysmo/utils.h | 2 |
3 files changed, 32 insertions, 1 deletions
diff --git a/src/osmo-bts-sysmo/main.c b/src/osmo-bts-sysmo/main.c index 15b1f1c0..9e89eb8a 100644 --- a/src/osmo-bts-sysmo/main.c +++ b/src/osmo-bts-sysmo/main.c @@ -48,6 +48,7 @@ #define SYSMOBTS_RF_LOCK_PATH "/var/lock/bts_rf_lock" +#include "utils.h" #include "eeprom.h" #include "l1_if.h" @@ -63,6 +64,7 @@ static int rt_prio = -1; int bts_model_init(struct gsm_bts *bts) { struct femtol1_hdl *fl1h; + int rc; fl1h = l1if_open(bts->c0); if (!fl1h) { @@ -72,7 +74,14 @@ int bts_model_init(struct gsm_bts *bts) fl1h->dsp_trace_f = dsp_trace; bts->c0->role_bts.l1h = fl1h; - bts->c0->nominal_power = 23; + + rc = sysmobts_get_nominal_power(bts->c0); + if (rc < 0) { + LOGP(DL1C, LOGL_FATAL, "Cannot determine nominal " + "ansmit power\n"); + return -EIO; + } + bts->c0->nominal_power = sysmobts_get_nominal_power(bts->c0); bts_model_vty_init(bts); diff --git a/src/osmo-bts-sysmo/utils.c b/src/osmo-bts-sysmo/utils.c index eaa45290..50898453 100644 --- a/src/osmo-bts-sysmo/utils.c +++ b/src/osmo-bts-sysmo/utils.c @@ -95,3 +95,23 @@ int sysmobts_select_femto_band(struct gsm_bts_trx *trx, uint16_t arfcn) /* give up */ return -1; } + +int sysmobts_get_nominal_power(struct gsm_bts_trx *trx) +{ + struct femtol1_hdl *fl1h = trx_femtol1_hdl(trx); + + switch (fl1h->hw_info.model_nr) { + case 0: + case 0xffff: + /* old units have empty flash where the model number is + * stored in later units */ + case 1002: + /* 200mW (23 dBm) nominal power */ + return 23; + case 2050: + /* 5W(39dBm) per TRX. This could be raiesd to 10W(40dBm) + * if the second TRX is not used. */ + return 37; + } + return -1; +} diff --git a/src/osmo-bts-sysmo/utils.h b/src/osmo-bts-sysmo/utils.h index 65706359..df4f0a34 100644 --- a/src/osmo-bts-sysmo/utils.h +++ b/src/osmo-bts-sysmo/utils.h @@ -7,4 +7,6 @@ struct gsm_bts_trx; int sysmobts_select_femto_band(struct gsm_bts_trx *trx, uint16_t arfcn); +int sysmobts_get_nominal_power(struct gsm_bts_trx *trx); + #endif |