pespin has uploaded this change for review. ( 
https://gerrit.osmocom.org/c/osmo-bts/+/18902 )


Change subject: power_ramp: Add support to get callback when ramping process 
completes
......................................................................

power_ramp: Add support to get callback when ramping process completes

It will be used in forthcoming commits to feed FSM events once the
ramping process completes.

Change-Id: I778dc215cf6055b93658670cc12e78ad2e51f85e
---
M include/osmo-bts/tx_power.h
M src/common/bts_ctrl_commands.c
M src/common/tx_power.c
M src/osmo-bts-octphy/l1_oml.c
M src/osmo-bts-sysmo/oml.c
M src/osmo-bts-sysmo/sysmobts_vty.c
M src/osmo-bts-trx/l1_if.c
M tests/tx_power/tx_power_test.c
8 files changed, 20 insertions(+), 12 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/02/18902/1

diff --git a/include/osmo-bts/tx_power.h b/include/osmo-bts/tx_power.h
index 8f33100..4d0457b 100644
--- a/include/osmo-bts/tx_power.h
+++ b/include/osmo-bts/tx_power.h
@@ -20,6 +20,8 @@
        struct pa_calibration calib;
 };

+typedef void (*ramp_compl_cb_t)(struct gsm_bts_trx *trx);
+
 /* Transmit power related parameters of a transceiver */
 struct trx_power_params {
        /* specified maximum output of TRX at full power, has to be
@@ -55,6 +57,8 @@
                unsigned int step_size_mdB;
                unsigned int step_interval_sec;
                struct osmo_timer_list step_timer;
+               /* call-back called when target is reached */
+               ramp_compl_cb_t compl_cb;
        } ramp;
 };

@@ -73,7 +77,7 @@
 int get_p_trxout_actual_mdBm(struct gsm_bts_trx *trx, uint8_t bs_power_red);
 int get_p_trxout_actual_mdBm_lchan(struct gsm_lchan *lchan);

-int power_ramp_start(struct gsm_bts_trx *trx, int p_total_tgt_mdBm, int 
bypass);
+int power_ramp_start(struct gsm_bts_trx *trx, int p_total_tgt_mdBm, int 
bypass, ramp_compl_cb_t ramp_compl_cb);

 void power_trx_change_compl(struct gsm_bts_trx *trx, int p_trxout_cur_mdBm);

diff --git a/src/common/bts_ctrl_commands.c b/src/common/bts_ctrl_commands.c
index 0d31890..faaba6a 100644
--- a/src/common/bts_ctrl_commands.c
+++ b/src/common/bts_ctrl_commands.c
@@ -57,7 +57,7 @@

        tpp->thermal_attenuation_mdB = val;

-       power_ramp_start(trx, tpp->p_total_cur_mdBm, 0);
+       power_ramp_start(trx, tpp->p_total_cur_mdBm, 0, NULL);

        return get_therm_att(cmd, data);
 }
diff --git a/src/common/tx_power.c b/src/common/tx_power.c
index db3121d..c8e961f 100644
--- a/src/common/tx_power.c
+++ b/src/common/tx_power.c
@@ -210,8 +210,11 @@
        struct trx_power_params *tpp = &trx->power_params;

        /* we had finished in last loop iteration */
-       if (!first && tpp->ramp.attenuation_mdB == 0)
+       if (!first && tpp->ramp.attenuation_mdB == 0) {
+               if (tpp->ramp.compl_cb)
+                       tpp->ramp.compl_cb(trx);
                return;
+       }

        if (we_are_ramping_up(trx)) {
                /* ramp up power -> ramp down attenuation */
@@ -236,7 +239,7 @@
 }


-int power_ramp_start(struct gsm_bts_trx *trx, int p_total_tgt_mdBm, int bypass)
+int power_ramp_start(struct gsm_bts_trx *trx, int p_total_tgt_mdBm, int 
bypass, ramp_compl_cb_t ramp_compl_cb)
 {
        struct trx_power_params *tpp = &trx->power_params;

@@ -259,6 +262,7 @@

        /* set the new target */
        tpp->p_total_tgt_mdBm = p_total_tgt_mdBm;
+       tpp->ramp.compl_cb = ramp_compl_cb;

        if (we_are_ramping_up(trx)) {
                if (tpp->p_total_tgt_mdBm <= tpp->ramp.max_initial_pout_mdBm) {
diff --git a/src/osmo-bts-octphy/l1_oml.c b/src/osmo-bts-octphy/l1_oml.c
index 9c5dd19..7718605 100644
--- a/src/osmo-bts-octphy/l1_oml.c
+++ b/src/osmo-bts-octphy/l1_oml.c
@@ -1740,7 +1740,7 @@
                struct gsm_bts_trx *trx = obj;
                /*struct octphy_hdl *fl1h = trx_octphy_hdl(trx); */

-               power_ramp_start(trx, get_p_target_mdBm(trx, 0), 0);
+               power_ramp_start(trx, get_p_target_mdBm(trx, 0), 0, NULL);
        }
        return oml_fom_ack_nack(msg, 0);
 }
diff --git a/src/osmo-bts-sysmo/oml.c b/src/osmo-bts-sysmo/oml.c
index 3533597..c3bf8b6 100644
--- a/src/osmo-bts-sysmo/oml.c
+++ b/src/osmo-bts-sysmo/oml.c
@@ -358,7 +358,7 @@
 #endif

        /* Begin to ramp up the power */
-       power_ramp_start(trx, get_p_target_mdBm(trx, 0), 0);
+       power_ramp_start(trx, get_p_target_mdBm(trx, 0), 0, NULL);

        return opstart_compl(&trx->mo, l1_msg);
 }
@@ -1743,7 +1743,7 @@

                /* Did we go through MphInit yet? If yes fire and forget */
                if (fl1h->hLayer1)
-                       power_ramp_start(trx, get_p_target_mdBm(trx, 0), 0);
+                       power_ramp_start(trx, get_p_target_mdBm(trx, 0), 0, 
NULL);
        }

        /* FIXME: we actually need to send a ACK or NACK for the OML message */
diff --git a/src/osmo-bts-sysmo/sysmobts_vty.c 
b/src/osmo-bts-sysmo/sysmobts_vty.c
index 23f69a0..0653f01 100644
--- a/src/osmo-bts-sysmo/sysmobts_vty.c
+++ b/src/osmo-bts-sysmo/sysmobts_vty.c
@@ -362,7 +362,7 @@
        int power = atoi(argv[1]);
        struct gsm_bts_trx *trx = gsm_bts_trx_num(vty_bts, trx_nr);

-       power_ramp_start(trx, to_mdB(power), 1);
+       power_ramp_start(trx, to_mdB(power), 1, NULL);

        return CMD_SUCCESS;
 }
diff --git a/src/osmo-bts-trx/l1_if.c b/src/osmo-bts-trx/l1_if.c
index 07f6e7a..ea3dcfa 100644
--- a/src/osmo-bts-trx/l1_if.c
+++ b/src/osmo-bts-trx/l1_if.c
@@ -144,9 +144,9 @@
        struct trx_l1h *l1h = pinst->u.osmotrx.hdl;

        if (l1h->config.forced_max_power_red == -1)
-               power_ramp_start(trx, get_p_nominal_mdBm(trx), 0);
+               power_ramp_start(trx, get_p_nominal_mdBm(trx), 0, NULL);
        else
-               power_ramp_start(trx, get_p_max_out_mdBm(trx) - 
to_mdB(l1h->config.forced_max_power_red), 1);
+               power_ramp_start(trx, get_p_max_out_mdBm(trx) - 
to_mdB(l1h->config.forced_max_power_red), 1, NULL);
 }

 /* Sets the nominal power, in dB */
@@ -478,7 +478,7 @@
           is already running. Otherwise skip, power ramping will be started
           after TRX is running */
        if (plink->u.osmotrx.powered && l1h->config.forced_max_power_red == -1)
-               power_ramp_start(pinst->trx, get_p_nominal_mdBm(pinst->trx), 0);
+               power_ramp_start(pinst->trx, get_p_nominal_mdBm(pinst->trx), 0, 
NULL);

        return 0;
 }
diff --git a/tests/tx_power/tx_power_test.c b/tests/tx_power/tx_power_test.c
index aaa34ea..02c940f 100644
--- a/tests/tx_power/tx_power_test.c
+++ b/tests/tx_power/tx_power_test.c
@@ -200,7 +200,7 @@
        trx->power_params.ramp.step_interval_sec = 0; /* speedup test */
        trx->max_power_red = 0;

-       power_ramp_start(trx, to_mdB(dBm), 0);
+       power_ramp_start(trx, to_mdB(dBm), 0, NULL);
 }

 int main(int argc, char **argv)

--
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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I778dc215cf6055b93658670cc12e78ad2e51f85e
Gerrit-Change-Number: 18902
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pes...@sysmocom.de>
Gerrit-MessageType: newchange

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