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ESP32/S2: I2S wait for TX start (#1375)

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* ESP32/S2: I2S wait for TX start

* CHANGELOG.md
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Björn Quentin 2024-04-02 13:44:02 +02:00 committed by GitHub
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esp-hal/CHANGELOG.md
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@ -28,6 +28,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- The TWAI driver can now be used without requiring the `embedded-hal` traits (#1355) - The TWAI driver can now be used without requiring the `embedded-hal` traits (#1355)
- USB pullup/pulldown now gets properly cleared and does not interfere anymore on esp32c3 and esp32s3 (#1244) - USB pullup/pulldown now gets properly cleared and does not interfere anymore on esp32c3 and esp32s3 (#1244)
- Fixed GPIO counts so that using async code with the higher GPIO number should no longer panic (#1361, #1362) - Fixed GPIO counts so that using async code with the higher GPIO number should no longer panic (#1361, #1362)
- ESP32/ESP32-S2: Wait for I2S getting out of TX_IDLE when starting a transfer (#1375)
### Changed ### Changed

4
esp-hal/src/i2s.rs
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@ -1293,6 +1293,10 @@ mod private {
fn tx_start() { fn tx_start() {
let i2s = Self::register_block(); let i2s = Self::register_block();
i2s.conf().modify(|_, w| w.tx_start().set_bit()); i2s.conf().modify(|_, w| w.tx_start().set_bit());
while i2s.state().read().tx_idle().bit_is_set() {
// wait
}
} }
fn tx_stop() { fn tx_stop() {