examples: Add support for a simple CTAP example
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
diff --git a/examples/ctap.rs b/examples/ctap.rs
new file mode 100644
index 0000000..42917d1
--- /dev/null
+++ b/examples/ctap.rs
@@ -0,0 +1,46 @@
+#![no_std]
+/// This is a very basic CTAP example
+/// This example only calls the CTAP driver calls, it does not implement CTAP
+use core::fmt::Write;
+use libtock::ctap::{CtapRecvBuffer, CtapSendBuffer};
+use libtock::result::TockResult;
+use libtock::syscalls;
+
+#[libtock::main]
+async fn main() -> TockResult<()> {
+ let mut drivers = libtock::retrieve_drivers()?;
+ let mut console = drivers.console.create_console();
+ writeln!(console, "Starting CTAP example")?;
+ let ctap_driver = drivers.ctap.init_driver()?;
+
+ writeln!(console, "Creating recv buffer")?;
+ let mut recv_buffer = CtapRecvBuffer::default();
+ let recv_buffer = ctap_driver.init_recv_buffer(&mut recv_buffer)?;
+ writeln!(console, " done")?;
+
+ writeln!(console, "Creating send buffer")?;
+ let mut send_buffer = CtapSendBuffer::default();
+ let _send_buffer = ctap_driver.init_send_buffer(&mut send_buffer)?;
+ writeln!(console, " done")?;
+
+ let mut temp_buffer = [0; libtock::ctap::RECV_BUFFER_SIZE];
+
+ writeln!(console, "Setting callback and running")?;
+ let mut callback = |_, _| {
+ writeln!(console, "CTAP Complete, printing data").unwrap();
+ recv_buffer.read_bytes(&mut temp_buffer[..]);
+
+ for buf in temp_buffer.iter().take(libtock::ctap::RECV_BUFFER_SIZE) {
+ write!(console, "{:x}", *buf).unwrap();
+ }
+
+ let _ret = ctap_driver.allow_receive();
+ };
+
+ let _subscription = ctap_driver.subscribe(&mut callback)?;
+ ctap_driver.allow_receive()?;
+
+ loop {
+ unsafe { syscalls::raw::yieldk() };
+ }
+}
