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add sysclk frequency argument to PioI2Out::new

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This commit is contained in:
vinsynth 2024-12-14 00:32:47 -05:00
parent 45d9bd5757
commit 854d1f3743
1 changed files with 2 additions and 1 deletions
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3
embassy-rp/src/pio_programs/i2s.rs
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@ -51,6 +51,7 @@ impl<'a, P: Instance, const S: usize> PioI2sOut<'a, P, S> {
data_pin: impl PioPin,
bit_clock_pin: impl PioPin,
lr_clock_pin: impl PioPin,
sysclk_frequency: u32,
sample_rate: u32,
bit_depth: u32,
channels: u32,
@ -67,7 +68,7 @@ impl<'a, P: Instance, const S: usize> PioI2sOut<'a, P, S> {
cfg.use_program(&program.prg, &[&bit_clock_pin, &left_right_clock_pin]);
cfg.set_out_pins(&[&data_pin]);
let clock_frequency = sample_rate * bit_depth * channels;
cfg.clock_divider = (125_000_000. / clock_frequency as f64 / 2.).to_fixed();
cfg.clock_divider = (sysclk_frequency as f64 / clock_frequency as f64 / 2.).to_fixed();
cfg.shift_out = ShiftConfig {
threshold: 32,
direction: ShiftDirection::Left,