# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1500160186 0
# Node ID 45ef4a06edfcbbbda9faee3160a58b1d75ec9041
# Parent  a094db1453b1c190140bfc4fea35c31ee0790bac
fc-rfcal-txband: initial implementation complete, ready to test

diff -r a094db1453b1 -r 45ef4a06edfc autocal/txbandmain.c
--- a/autocal/txbandmain.c	Sat Jul 15 22:48:29 2017 +0000
+++ b/autocal/txbandmain.c	Sat Jul 15 23:09:46 2017 +0000
@@ -122,6 +122,8 @@
 	txcal_basis_run();
 	/* analytical follow-up */
 	txcal_basis_compute();
-
+	/* actual Tx levels calibration */
+	calibrate_tx_levels();
 
+	exit(0);
 }
diff -r a094db1453b1 -r 45ef4a06edfc autocal/txlevels.c
--- a/autocal/txlevels.c	Sat Jul 15 22:48:29 2017 +0000
+++ b/autocal/txlevels.c	Sat Jul 15 23:09:46 2017 +0000
@@ -17,8 +17,9 @@
 extern struct tx_level tx_levels[MAX_TX_LEVELS];
 
 unsigned
-find_apc_for_target(target_dbm)
+find_apc_for_target(target_dbm, pslope)
 	double target_dbm;
+	vout_t *pslope;
 {
 	vout_t target_vout;
 	unsigned n;
@@ -28,6 +29,37 @@
 	for (n = 0; n < num_basis_points - 1; n++)
 		if (target_vout < tx_basis[n+1].vout)
 			break;
+	if (pslope)
+		*pslope = tx_basis[n].slope;
 	apc_delta = (target_vout - tx_basis[n].vout) / tx_basis[n].slope;
 	return tx_basis[n].apc + apc_delta;
 }
+
+calibrate_tx_levels()
+{
+	unsigned plnum, plidx, apc;
+	double target, meas;
+
+	printf("Calibrating Tx power levels\n");
+	printf("Starting RF Tx on the DUT\n");
+	do_rfe(RX_TX_TCH);
+
+	for (plnum = txcal_band->start_plnum; plnum <= txcal_band->end_plnum;
+	     plnum++) {
+		do_txpw(TX_PWR_LEVEL, plnum);
+		plidx = plnum = txcal_band->start_plnum;
+		target = tx_levels[plidx].target;
+		apc = find_apc_for_target(target, &tx_levels[plidx].slope);
+		tx_levels[plidx].apc = apc;
+		do_txpw(TX_APC_DAC, apc);
+		usleep(20000);
+		meas = tx_power_meas();
+		printf(
+	"Tx power level #%u: target %.1f dBm, APC=%u, meas %.2f dBm (%+.2f)\n",
+			plnum, target, apc, meas, meas - target);
+	}
+
+	printf("Stopping RF Tx on the DUT\n");
+	do_rfe(STOP_ALL);
+	return(0);
+}