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This is the development version of the documentation. It may change before the next release. See 0.6.x for the latest release.

ConfigModulation

ConfigModulation is a low-level command that configures the playback parameters of the Modulation bank.

ConfigModulation {
bank,
config,
size,
loop_behavior,
};
Field Type Description
bank ModulationBank Target bank
config SamplingConfig Playback sampling frequency
size usize Number of samples
loop_behavior LoopBehavior Playback loop count (Infinite / Finite)

The minimum size is 2. To emit a constant modulation, repeat the same value twice.

For the timing at which loop_behavior and the transition take effect see ChangeModulationBank.

ConfigModulation is used within the flow of writing the waveform with WriteModulationBuffer and then switching playback with ChangeModulationBank.

use autd3_rs::commands::{ChangeModulationBank, ConfigModulation, WriteModulationBuffer};
use autd3_rs::geometry::{Autd3, Geometry};
use autd3_rs::units::Hz;
use autd3_rs::value::{LoopBehavior, ModulationBank, SamplingConfig, TransitionMode};
use autd3_rs::{Client, ClientConfig};
use autd3_rs_link_nop::Nop;
use autd3_rs_modulation::{SineOption, modulation_buffer, sine};
let geometry = Geometry::new(vec![Autd3::default()]);
let client = Client::open(&geometry, Nop, ClientConfig::default()).await?;
let mut data = modulation_buffer();
sine(150 * Hz, &SineOption::default(), &mut data)?;
let bank = ModulationBank::B0;
let mut builder = client.datagram_builder();
builder.push(WriteModulationBuffer {
bank,
offset: 0,
data: &data,
});
builder.push(ConfigModulation {
bank,
config: SamplingConfig::FREQ_4K,
size: data.len(),
loop_behavior: LoopBehavior::Infinite,
});
builder.push(ChangeModulationBank {
bank,
transition_mode: TransitionMode::Immediate,
});
let frames = builder.build()?;
for frame in &frames {
client.send_checked(frame).await?;
}
client.close().await?;