Merge pull request #15 from torfmaster/feature/hardware-tests

Feature/hardware tests

Author: alevy

examples/hardware_test.rs

@@ -0,0 +1,50 @@
+#![feature(alloc)]
+#![no_std]
+
+extern crate alloc;
+extern crate tock;
+
+use alloc::boxed::Box;
+use alloc::string::String;
+use alloc::vec::Vec;
+use tock::console::Console;
+use tock::ipc_cs;
+use tock::ipc_cs::ServerHandle;
+use tock::timer;
+use tock::timer::Duration;
+
+fn main() {
+    let mut buf: Box<[u8]> = ipc_cs::reserve_shared_buffer();
+    let mut console = Console::new();
+    timer::sleep(Duration::from_ms(3000));
+
+    console.write(String::from("[test-results]\n"));
+    let mut string = String::from("heap_test = \"Heap ");
+    string.push_str("works.\"\n");
+    console.write(string);
+
+    let mut server = ServerHandle::discover_service(String::from("hardware_test_server")).unwrap();
+    let mut payload: [u8; 32] = [0; 32];
+    let m = String::from("client");
+    let b = m.as_bytes();
+    let l = b.len();
+    payload[..l].clone_from_slice(b);
+
+    server.share(&mut buf, &mut payload);
+
+    server.subscribe_callback(|_: usize, _: usize| {
+        let filtered = buf.to_vec()
+            .iter()
+            .filter(|&x| *x != 0)
+            .map(|x| *x)
+            .collect::<Vec<u8>>();
+        let s = String::from_utf8_lossy(&filtered);
+        console.write(String::from(s).clone());
+        console.write(String::from("test=\"done\"\n"));
+    });
+    server.notify();
+
+    for _ in 0.. {
+        timer::sleep(Duration::from_ms(500))
+    }
+}

examples/hardware_test_server.rs

@@ -0,0 +1,37 @@
+#![feature(alloc)]
+#![no_std]
+extern crate alloc;
+extern crate tock;
+
+use alloc::string::String;
+use alloc::vec::Vec;
+use tock::ipc_cs;
+use tock::ipc_cs::IpcServerDriver;
+
+#[allow(unreachable_code)]
+// Prints the payload and adds one to the first byte.
+fn main() {
+    let cb = &mut |pid: usize, _: usize, message: &mut [u8]| {
+        let filtered = message
+            .to_vec()
+            .iter()
+            .filter(|&x| *x != 0)
+            .map(|x| *x)
+            .collect::<Vec<u8>>();
+        let s = String::from_utf8_lossy(&filtered);
+        if s == String::from("client") {
+            let m = String::from("test_ipc = \"passed\"\n");
+            let b = m.as_bytes();
+            let l = b.len();
+            message[..l].clone_from_slice(b);
+            ipc_cs::notify_client(pid);
+        }
+    };
+    #[allow(unused_variables)]
+    let server = IpcServerDriver::start(cb);
+
+    loop {
+        tock::syscalls::yieldk();
+    }
+    server.unwrap();
+}

run_hardware_test.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+# Examples only run on a NRF52DK board
+
+set -eux
+
+yes 0|tockloader uninstall --jtag --arch cortex-m4 --board nrf52-dk --jtag-device nrf52 --app-address 0x20000 || true
+
+./run_example.sh hardware_test_server --dont-clear-apps
+./run_example.sh hardware_test --dont-clear-apps