Minimal working prototype

Device path and further parameters are hardcoded and stdin is read in
a loop. At least data is already sent to the spidriver..

.gitignore

@@ -0,0 +1 @@
+/target

Cargo.lock

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+# It is not intended for manual editing.
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+ "embedded-hal",
+ "nb 0.1.3",
+]
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+name = "spidrs"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "serial-embedded-hal",
+ "spidriver",
+]
+
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+name = "termios"
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Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "spidrs"
+version = "0.1.0"
+authors = ["finga <finga@onders.org>"]
+edition = "2018"
+
+[dependencies]
+anyhow = "1.0"
+serial-embedded-hal = "0.1"
+spidriver = "0.1"

src/main.rs

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+use anyhow::Result;
+use serial_embedded_hal::{PortSettings, Serial};
+use spidriver::SPIDriver;
+
+use std::io;
+
+fn main() -> Result<()> {
+    let port = Serial::new(
+        "/dev/ttyUSB0",
+        &PortSettings {
+            baud_rate: serial_embedded_hal::BaudRate::BaudOther(460800),
+            char_size: serial_embedded_hal::CharSize::Bits8,
+            parity: serial_embedded_hal::Parity::ParityNone,
+            stop_bits: serial_embedded_hal::StopBits::Stop1,
+            flow_control: serial_embedded_hal::FlowControl::FlowNone,
+        },
+    )?;
+
+    let (tx, rx) = port.split();
+    let mut spidriver = SPIDriver::new(tx, rx);
+    loop {
+        let mut input = String::new();
+        io::stdin().read_line(&mut input)?;
+
+        let mut data = input.into_bytes();
+        spidriver.transfer(&mut data);
+    }
+
+    Ok(())
+}