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fix: pull-down clock/data lines for receive

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This commit is contained in:
elagil 2024-09-10 21:33:31 +02:00
parent b8fa5cdf06
commit e698fbe598
1 changed files with 2 additions and 2 deletions
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4
embassy-stm32/src/sai/mod.rs
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@ -661,12 +661,12 @@ fn get_af_types(mode: Mode, tx_rx: TxRx) -> (AfType, AfType) {
//sd is defined by tx/rx mode //sd is defined by tx/rx mode
match tx_rx { match tx_rx {
TxRx::Transmitter => AfType::output(OutputType::PushPull, Speed::VeryHigh), TxRx::Transmitter => AfType::output(OutputType::PushPull, Speed::VeryHigh),
TxRx::Receiver => AfType::input(Pull::None), TxRx::Receiver => AfType::input(Pull::Down), // Ensure mute level when no input is connected.
}, },
//clocks (mclk, sck and fs) are defined by master/slave //clocks (mclk, sck and fs) are defined by master/slave
match mode { match mode {
Mode::Master => AfType::output(OutputType::PushPull, Speed::VeryHigh), Mode::Master => AfType::output(OutputType::PushPull, Speed::VeryHigh),
Mode::Slave => AfType::input(Pull::None), Mode::Slave => AfType::input(Pull::Down), // Ensure no clocks when no input is connected.
}, },
) )
} }