diff options
| -rw-r--r-- | src/osmo-bts-sysmo/l1_if.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/osmo-bts-sysmo/l1_if.c b/src/osmo-bts-sysmo/l1_if.c index 3575fd6d..7b72d1d5 100644 --- a/src/osmo-bts-sysmo/l1_if.c +++ b/src/osmo-bts-sysmo/l1_if.c @@ -1042,6 +1042,24 @@ static int activate_rf_compl_cb(struct gsm_bts_trx *trx, struct msgb *resp) return 0; } +static int get_clk_cal(struct femtol1_hdl *hdl) +{ + switch (hdl->clk_src) { + case SuperFemto_ClkSrcId_Ocxo: + case SuperFemto_ClkSrcId_Tcxo: + /* only for those on-board clocks it makes sense to use + * the calibration value */ + return hdl->clk_cal; + default: + /* external clocks like GPS are taken 1:1 without any + * modification by a local calibration value */ + LOGP(DL1C, LOGL_INFO, "Ignoring Clock Calibration for " + "selected %s clock\n", + get_value_string(femtobts_clksrc_names, hdl->clk_src)); + return 0; + } +} + /* activate or de-activate the entire RF-Frontend */ int l1if_activate_rf(struct femtol1_hdl *hdl, int on) { @@ -1051,7 +1069,7 @@ int l1if_activate_rf(struct femtol1_hdl *hdl, int on) if (on) { sysp->id = SuperFemto_PrimId_ActivateRfReq; #ifdef HW_SYSMOBTS_V1 - sysp->u.activateRfReq.u12ClkVc = hdl->clk_cal; + sysp->u.activateRfReq.u12ClkVc = get_clk_cal(hdl); #else #if SUPERFEMTO_API_VERSION >= SUPERFEMTO_API(0,2,0) sysp->u.activateRfReq.timing.u8TimSrc = 1; /* Master */ @@ -1064,14 +1082,14 @@ int l1if_activate_rf(struct femtol1_hdl *hdl, int on) #else sysp->u.activateRfReq.rfTrx.clkSrc = hdl->clk_src; #endif /* 2.1.0 */ - sysp->u.activateRfReq.rfTrx.iClkCor = hdl->clk_cal; + sysp->u.activateRfReq.rfTrx.iClkCor = get_clk_cal(hdl); #if SUPERFEMTO_API_VERSION < SUPERFEMTO_API(2,4,0) #if SUPERFEMTO_API_VERSION < SUPERFEMTO_API(2,1,0) sysp->u.activateRfReq.rfRx.u8ClkSrc = hdl->clk_src; #else sysp->u.activateRfReq.rfRx.clkSrc = hdl->clk_src; #endif /* 2.1.0 */ - sysp->u.activateRfReq.rfRx.iClkCor = hdl->clk_cal; + sysp->u.activateRfReq.rfRx.iClkCor = get_clk_cal(hdl); #endif /* API 2.4.0 */ #endif /* !HW_SYSMOBTS_V1 */ } else { |