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srsLTE
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Start AGC from half maximum gain

This commit is contained in:
Ismael Gomez 2017-12-16 13:12:31 +01:00
parent 64ed986a11
commit 88e19ca19d
1 changed files with 11 additions and 3 deletions
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14
lib/src/phy/rf/rf_uhd_imp.c
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@ -536,9 +536,17 @@ int rf_uhd_open_multi(char *args, void **h, uint32_t nof_channels)
uhd_rx_metadata_make(&handler->rx_md);
uhd_rx_metadata_make(&handler->rx_md_first);
uhd_tx_metadata_make(&handler->tx_md, false, 0, 0, false, false);
// Start low priority thread to receive async commands
// Set starting gain to half maximum in case of using AGC
uhd_meta_range_handle gain_range;
uhd_meta_range_make(&gain_range);
uhd_usrp_get_rx_gain_range(handler->usrp, "", 0, gain_range);
double max_gain;
uhd_meta_range_stop(gain_range, &max_gain);
rf_uhd_set_rx_gain(handler, max_gain*0.7);
uhd_meta_range_free(&gain_range);
// Start low priority thread to receive async commands
handler->async_thread_running = true;
if (pthread_create(&handler->async_thread, NULL, async_thread, handler)) {
perror("pthread_create");