diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2013-12-11 11:20:50 +0100 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2014-01-29 09:49:21 +0100 |
| commit | 088d1448e85077ac1131630327f2680758a8ba30 (patch) | |
| tree | 3b12d09faea185a6a686ab7e6e101c334a00b402 | |
| parent | 06861579916970847abac76004864d2e0ddf22ff (diff) | |
[WIP] HO: Add RX only mode for handover
When establishing dedicate mode, a flag is used to disable transitter.
When transmitter is disabled, access bursts are allowed.
After sending a L1CTL_PARAM_REQ, the transmitter is enabled with given
parameters.
| -rw-r--r-- | src/target/firmware/include/layer1/sync.h | 2 | ||||
| -rw-r--r-- | src/target/firmware/layer1/l23_api.c | 7 | ||||
| -rw-r--r-- | src/target/firmware/layer1/prim_tch.c | 8 |
3 files changed, 17 insertions, 0 deletions
diff --git a/src/target/firmware/include/layer1/sync.h b/src/target/firmware/include/layer1/sync.h index bd253a68..7ecc7ca9 100644 --- a/src/target/firmware/include/layer1/sync.h +++ b/src/target/firmware/include/layer1/sync.h @@ -146,6 +146,8 @@ struct l1s_state { struct l1s_h0 st_h0; struct l1s_h1 st_h1; }; + + uint8_t rx_only; } dedicated; /* neighbor cell power measurement process */ diff --git a/src/target/firmware/layer1/l23_api.c b/src/target/firmware/layer1/l23_api.c index c4623876..4b989755 100644 --- a/src/target/firmware/layer1/l23_api.c +++ b/src/target/firmware/layer1/l23_api.c @@ -266,6 +266,12 @@ static void l1ctl_rx_dm_est_req(struct msgb *msg) audio_set_enabled(est_req->tch_mode, est_req->audio_mode); } + /* Handover config */ + if ((est_req->flags & L1CTL_EST_F_RXONLY)) + l1s.dedicated.rx_only = 1; + else + l1s.dedicated.rx_only = 0; + /* figure out which MF tasks to enable */ l1s.neigh_pm.n = 0; l1a_mftask_set(chan_nr2mf_task_mask(ul->chan_nr, NEIGH_MODE_PM)); @@ -356,6 +362,7 @@ static void l1ctl_rx_param_req(struct msgb *msg) l1s.ta = par_req->ta; l1s.tx_power = par_req->tx_power; + l1s.dedicated.rx_only = 0; } /* receive a L1CTL_RACH_REQ from L23 */ diff --git a/src/target/firmware/layer1/prim_tch.c b/src/target/firmware/layer1/prim_tch.c index a0a03b81..c09c2069 100644 --- a/src/target/firmware/layer1/prim_tch.c +++ b/src/target/firmware/layer1/prim_tch.c @@ -481,6 +481,10 @@ skip_tx_traffic: ); l1s_rx_win_ctrl(arfcn, L1_RXWIN_NB, 0); + /* stop here, if TX is disabled */ + if (l1s.dedicated.rx_only) + return 0; + dsp_load_tx_task( dsp_task_iq_swap(TCHT_DSP_TASK, arfcn, 1), 0, tsc /* burst_id unused for TCH */ @@ -746,6 +750,10 @@ static int l1s_tch_a_cmd(__unused uint8_t p1, __unused uint8_t p2, uint16_t p3) ); l1s_rx_win_ctrl(arfcn, L1_RXWIN_NB, 0); + /* stop here, if TX is disabled */ + if (l1s.dedicated.rx_only) + return 0; + dsp_load_tx_task( dsp_task_iq_swap(TCHA_DSP_TASK, arfcn, 1), 0, tsc /* burst_id unused for TCHA */ |