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Change the cca threshold to -62dBm. Seems help a lot in 2.4GHz

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Xianjun Jiao 2023-01-17 13:11:59 +01:00
parent 189290a596
commit 20d92b40f5
1 changed files with 1 additions and 4 deletions
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5
driver/sdr.c
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@ -200,10 +200,7 @@ inline void openwifi_rf_rx_update_after_tuning(struct openwifi_priv *priv, u32 a
priv->rssi_correction = rssi_correction_lookup_table(actual_rx_lo);
// set appropriate lbt threshold
// xpu_api->XPU_REG_LBT_TH_write((priv->rssi_correction-62)<<1); // -62dBm
// xpu_api->XPU_REG_LBT_TH_write((priv->rssi_correction-62-16)<<1); // wei's magic value is 135, here is 134 @ ch 44
// auto_lbt_th = ((priv->rssi_correction-62-16)<<1);
auto_lbt_th = rssi_dbm_to_rssi_half_db(-78, priv->rssi_correction); // -78dBm, the same as above ((priv->rssi_correction-62-16)<<1)
auto_lbt_th = rssi_dbm_to_rssi_half_db(-62, priv->rssi_correction); // -62dBm
static_lbt_th = rssi_dbm_to_rssi_half_db(-(priv->drv_xpu_reg_val[DRV_XPU_REG_IDX_LBT_TH]), priv->rssi_correction);
fpga_lbt_th = (priv->drv_xpu_reg_val[DRV_XPU_REG_IDX_LBT_TH]==0?auto_lbt_th:static_lbt_th);
xpu_api->XPU_REG_LBT_TH_write(fpga_lbt_th);