use clock_nanosleep() in bindings

bindings/node/Cargo.toml

@@ -20,4 +20,5 @@ napi-build = "2.0.1"
 
 [target.'cfg(target_os = "linux")'.dependencies]
 linux-embedded-hal = "0.4.0"
+nix = { version = "0.29.0", features = ["time"]}
 rf24-rs = { path = "../../crates/rf24-rs", features = ["std"] }

bindings/node/src/radio.rs

@@ -1,22 +1,39 @@
 #![cfg(target_os = "linux")]
 
+use std::time::Duration;
+
 use crate::config::RadioConfig;
 use crate::types::{
     coerce_to_bool, AvailablePipe, CrcLength, DataRate, FifoState, HardwareConfig, PaLevel,
     StatusFlags, WriteConfig,
 };
 
-use embedded_hal::digital::OutputPin;
+use embedded_hal::{delay::DelayNs, digital::OutputPin};
 use linux_embedded_hal::{
     gpio_cdev::{chips, LineRequestFlags},
     spidev::{SpiModeFlags, SpidevOptions},
-    CdevPin, Delay, SpidevDevice,
+    CdevPin, SpidevDevice,
 };
+use nix::sys::time::TimeSpec;
+use nix::time::{clock_nanosleep, ClockId, ClockNanosleepFlags};
 
 use napi::{bindgen_prelude::Buffer, Error, JsNumber, Result, Status};
 
 use rf24::radio::prelude::*;
 
+struct Delay;
+
+impl DelayNs for Delay {
+    fn delay_ns(&mut self, ns: u32) {
+        clock_nanosleep(
+            ClockId::CLOCK_REALTIME,
+            ClockNanosleepFlags::empty(),
+            &TimeSpec::from_duration(Duration::from_nanos(ns as u64)),
+        )
+        .unwrap_or_else(|e| panic!("delay_ns({ns}) failed. {e:?}"));
+    }
+}
+
 /// This class provides the user facing API to interact with a nRF24L01 transceiver.
 #[napi(js_name = "RF24")]
 pub struct RF24 {

bindings/python/Cargo.toml

@@ -18,4 +18,5 @@ pyo3 = {version = "0.22.5", features = ["extension-module"]}
 
 [target.'cfg(target_os = "linux")'.dependencies]
 linux-embedded-hal = "0.4.0"
+nix = { version = "0.29.0", features = ["time"]}
 rf24-rs = { path = "../../crates/rf24-rs", features = ["std"]}

bindings/python/src/radio.rs

@@ -1,21 +1,37 @@
 #![cfg(target_os = "linux")]
 use std::borrow::Cow;
+use std::time::Duration;
 
 use crate::config::RadioConfig;
 use crate::types::{CrcLength, DataRate, FifoState, PaLevel, StatusFlags};
-use embedded_hal::digital::OutputPin;
+use embedded_hal::{delay::DelayNs, digital::OutputPin};
 use linux_embedded_hal::{
     gpio_cdev::{chips, LineRequestFlags},
     spidev::{SpiModeFlags, SpidevOptions},
-    CdevPin, Delay, SpidevDevice,
+    CdevPin, SpidevDevice,
 };
+use nix::sys::time::TimeSpec;
+use nix::time::{clock_nanosleep, ClockId, ClockNanosleepFlags};
 
 use pyo3::{
     exceptions::{PyOSError, PyRuntimeError, PyValueError},
     prelude::*,
 };
 use rf24::radio::prelude::*;
 
+struct Delay;
+
+impl DelayNs for Delay {
+    fn delay_ns(&mut self, ns: u32) {
+        clock_nanosleep(
+            ClockId::CLOCK_REALTIME,
+            ClockNanosleepFlags::empty(),
+            &TimeSpec::from_duration(Duration::from_nanos(ns as u64)),
+        )
+        .unwrap_or_else(|e| panic!("delay_ns({ns}) failed. {e:?}"));
+    }
+}
+
 /// Construct an object to control the radio.
 ///
 /// Parameters:
@@ -91,12 +107,12 @@ impl RF24 {
                 )
             )
             })?;
-        let config = SpidevOptions::new()
+        let spi_config = SpidevOptions::new()
             .max_speed_hz(spi_speed)
             .mode(SpiModeFlags::SPI_MODE_0)
             .bits_per_word(8)
             .build();
-        spi.configure(&config)
+        spi.configure(&spi_config)
             .map_err(|e| PyOSError::new_err(format!("{e:?}")))?;
 
         Ok(Self {

cspell.config.yml

@@ -27,6 +27,7 @@ words:
   - fontawesome
   - gnueabihf
   - gpio
+  - gpiocdev
   - gpiochip
   - gpiod
   - HLINE
@@ -42,6 +43,8 @@ words:
   - mosi
   - msvc
   - musleabihf
+  - nanos
+  - nanosleep
   - napi
   - nocbreak
   - noecho

examples/node/ts/scanner.ts

@@ -117,7 +117,7 @@ export class App {
         channel = 0;
         sweeps += 1;
       }
-      if (sweeps > 15) {
+      if (sweeps >= 15) {
         endl = true;
         sweeps = 0;
         // reset total signal counts for all channels