lks/esp32-sound
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Fix pin conflict

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This commit is contained in:
Lucas Schumacher 2023-11-16 18:16:24 -05:00
parent ce70442a2a
commit a58f4463ad
1 changed files with 19 additions and 7 deletions
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26
src/main.rs
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@ -21,7 +21,7 @@ fn main() -> ! {
// Bind the log crate to the ESP Logging facilities // Bind the log crate to the ESP Logging facilities
esp_idf_svc::log::EspLogger::initialize_default(); esp_idf_svc::log::EspLogger::initialize_default();
log::info!("Hello, world!"); log::info!("Hello, world! APP HAS INITIALIZED!!!!!");
let peripherals = Peripherals::take().unwrap(); let peripherals = Peripherals::take().unwrap();
let mut wav_tbl: [i16; TBL_LEN] = [0; TBL_LEN]; let mut wav_tbl: [i16; TBL_LEN] = [0; TBL_LEN];
@ -39,23 +39,33 @@ fn main() -> ! {
// //
//i2s setup //i2s setup
log::info!("i2s setup...");
let std_config = StdConfig::philips(RATE, DataBitWidth::Bits16); let std_config = StdConfig::philips(RATE, DataBitWidth::Bits16);
let bclk = peripherals.pins.gpio1; let bclk = peripherals.pins.gpio1;
let _din = peripherals.pins.gpio4; let _din = peripherals.pins.gpio4;
let dout = peripherals.pins.gpio6; let dout = peripherals.pins.gpio5;
let mclk = AnyIOPin::none(); let mclk = AnyIOPin::none();
let ws = peripherals.pins.gpio2; let ws = peripherals.pins.gpio2;
let mut i2s = log::info!("i2s driver setup...");
I2sDriver::<I2sTx>::new_std_tx(peripherals.i2s0, &std_config, bclk, dout, mclk, ws) let result = I2sDriver::<I2sTx>::new_std_tx(peripherals.i2s0, &std_config, bclk, dout, mclk, ws);
.unwrap(); if let Err(e) = result {
log::error!("Error Initializing I2sDriver!");
log::error!("{:?}", e);
loop {std::thread::sleep(std::time::Duration::from_secs(5));}
}
let mut i2s = result.unwrap();
log::info!("i2s tx enable ...");
i2s.tx_enable().unwrap(); i2s.tx_enable().unwrap();
log::info!("Done! tx enabled!!!!");
let mut buffer: [i16; 1024] = [0; 1024]; // Should be even length const BUF_LEN: usize = 2046;
let mut buffer: [i16; BUF_LEN] = [0; BUF_LEN]; // Should be even length
let mut phase: f32 = 0.0; let mut phase: f32 = 0.0;
let phase_delta = (440.0 / RATE as f32) * TBL_LEN as f32; let phase_delta = (440.0 / RATE as f32) * TBL_LEN as f32;
let timeout = TickType::from(Duration::from_secs_f32( let timeout = TickType::from(Duration::from_secs_f32(
2. * buffer.len() as f32 / RATE as f32, 2. * buffer.len() as f32 / RATE as f32,
)); ));
log::info!("Entering main loop");
loop { loop {
// Generate 440hz tone // Generate 440hz tone
for i in (0..buffer.len() - 1).step_by(2) { for i in (0..buffer.len() - 1).step_by(2) {
@ -63,8 +73,10 @@ fn main() -> ! {
buffer[i + 1] = wav_tbl[phase as usize]; buffer[i + 1] = wav_tbl[phase as usize];
phase = (phase + phase_delta) % (TBL_LEN as f32); phase = (phase + phase_delta) % (TBL_LEN as f32);
} }
let bytes: &[u8; 2048] = unsafe { transmute(&buffer) }; log::info!("Generated tone!");
let bytes: &[u8; BUF_LEN*2] = unsafe { transmute(&buffer) };
// Send samples to i2s device // Send samples to i2s device
i2s.write_all(bytes, timeout.0).unwrap(); i2s.write_all(bytes, timeout.0).unwrap();
log::info!("Wrote to buffer!");
} }
} }