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Make sure BLE and WiFi are not powered down when esp-wifi needs them #891

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Merged
bjoernQ merged 2 commits into from
Nov 1, 2023
Merged

Make sure BLE and WiFi are not powered down when esp-wifi needs them #891

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Make sure BLE and WiFi are not powered down when esp-wifi needs them
bjoernQ Nov 1, 2023
2b25a8a
CHANGELOG.md entry
bjoernQ Nov 1, 2023
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Changed

### Fixed
- ESP32-C3: Make sure BLE and WiFi are not powered down when esp-wifi needs them (#891)

### Removed

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10 changes: 10 additions & 0 deletions esp-hal-common/src/soc/esp32c3/radio_clocks.rs
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Expand Up @@ -89,6 +89,16 @@ fn reset_mac() {
}

fn init_clocks() {
// undo the power down in base_settings (esp32c3_sleep)
let rtc_cntl = unsafe { crate::peripherals::RTC_CNTL::steal() };
rtc_cntl
.dig_iso
.modify(|_, w| w.wifi_force_iso().clear_bit().bt_force_iso().clear_bit());

rtc_cntl
.dig_pwc
.modify(|_, w| w.wifi_force_pd().clear_bit().bt_force_pd().clear_bit());

// from `esp_perip_clk_init`
const SYSTEM_WIFI_CLK_I2C_CLK_EN: u32 = 1 << 5;
const SYSTEM_WIFI_CLK_UNUSED_BIT12: u32 = 1 << 12;
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