FreeCalypso > hg > fc-rfcal-tools
changeset 82:a094db1453b1
fc-rfcal-txband: implemented computation of APC from basis
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sat, 15 Jul 2017 22:48:29 +0000 |
| parents | 83b24a1dfd4a |
| children | 45ef4a06edfc |
| files | autocal/Makefile autocal/txlevels.c |
| diffstat | 2 files changed, 35 insertions(+), 1 deletions(-) [+] |
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--- a/autocal/Makefile Sat Jul 15 21:34:29 2017 +0000 +++ b/autocal/Makefile Sat Jul 15 22:48:29 2017 +0000 @@ -11,7 +11,8 @@ rxupload.o sockopts.o tsidsock.o TXBAND_OBJS= l1tmops.o rvinterf.o sockopts.o tsidsock.o txbandmain.o \ - txbasis.o txcalchan.o txcalconf.o txpwrmeas.o txvout.o + txbasis.o txcalchan.o txcalconf.o txlevels.o txpwrmeas.o \ + txvout.o TXBASIS_OBJS= l1tmops.o rvinterf.o tsidsock.o txpwrmeas.o txstandbas.o
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/autocal/txlevels.c Sat Jul 15 22:48:29 2017 +0000 @@ -0,0 +1,33 @@ +/* + * The calibration of Tx power levels is implemented here. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <rvinterf/l1tm.h> +#include <rvinterf/exitcodes.h> +#include "txband.h" + +extern double tx_power_meas(); +extern vout_t dbm_to_vout(); + +extern struct txcal_band *txcal_band; +extern struct tx_basis_point tx_basis[MAX_BASIS_POINTS]; +extern unsigned num_basis_points; +extern struct tx_level tx_levels[MAX_TX_LEVELS]; + +unsigned +find_apc_for_target(target_dbm) + double target_dbm; +{ + vout_t target_vout; + unsigned n; + int apc_delta; + + target_vout = dbm_to_vout(target_dbm); + for (n = 0; n < num_basis_points - 1; n++) + if (target_vout < tx_basis[n+1].vout) + break; + apc_delta = (target_vout - tx_basis[n].vout) / tx_basis[n].slope; + return tx_basis[n].apc + apc_delta; +}