jtbx/esp32-c_its-companion
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802.11-TX: Reduce transmit power, add notes about legal requirements

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This commit is contained in:
Jannik Beyerstedt 2026-07-31 12:04:46 +02:00
commit 2c50668e7e
2 changed files with 24 additions and 0 deletions
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5
src/main.rs
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@ -51,6 +51,7 @@ mod screen;
mod v2x_tx;
const WIFI_CHANNEL: radio::Channel = 180;
const WIFI_TXPOWER: i8 = 10; // dBm, 2..20
#[cfg(feature = "spat")]
const SPAT_RATE_LIMIT: u8 = 5; // keep every n-th message
#[cfg(any(feature = "cam_tx", feature = "uart"))]
@ -163,9 +164,13 @@ async fn main(spawner: Spawner) -> ! {
esp_radio::wifi::ControllerConfig::default(),
)
.expect("Failed to initialize Wi-Fi controller");
if let Err(err) = wifi_controller.set_band_mode(esp_radio::wifi::BandMode::_5G) {
error!("Failed to set WiFi to 5GHz only: {err}");
}
if let Err(err) = wifi_controller.set_max_tx_power(WIFI_TXPOWER * 4) {
error!("Failed to set WiFi TX power: {err}");
}
critical_section::with(|cs| {
WIFI_RX_QUEUE.borrow(cs).replace(Some(ArrayQueue::new(2)));