From 6a2fde39fe534102b1fd4937a0cd048cf170bb0f Mon Sep 17 00:00:00 2001
From: Per <Per Lindgren>
Date: Thu, 4 Jan 2018 15:55:44 +0100
Subject: [PATCH] loop, example
---
.vscode/launch.json | 18 ++++++++++++++++++
.vscode/tasks.json | 22 ++++++++++++++--------
examples/loop.rs | 36 ++++++++++++++++++++++++++++++++++++
3 files changed, 68 insertions(+), 8 deletions(-)
create mode 100644 examples/loop.rs
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 30daa54..d3c2e2a 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -40,5 +40,23 @@
],
"cwd": "${workspaceRoot}"
},
+ {
+ "type": "gdb",
+ "request": "attach",
+ "name": "loop",
+ "gdbpath": "/usr/bin/arm-none-eabi-gdb",
+ "executable": "./target/thumbv7em-none-eabihf/debug/examples/loop",
+ "target": ":3333",
+ "remote": true,
+ "autorun": [
+ "monitor reset init",
+ "monitor arm semihosting enable",
+ "monitor tpiu config internal /tmp/itm.log uart off 64000000",
+ "monitor itm port 0 on",
+ "load",
+ "monitor reset init"
+ ],
+ "cwd": "${workspaceRoot}"
+ },
]
}
\ No newline at end of file
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 8d2be76..c825d3b 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -6,10 +6,7 @@
{
"type": "shell",
"label": "xargo build",
- "command": "xargo",
- "args": [
- "build"
- ],
+ "command": "xargo build",
"problemMatcher": [
"$rustc"
],
@@ -21,10 +18,19 @@
{
"type": "shell",
"label": "xargo build --release",
- "command": "xargo",
- "args": [
- "build --release"
+ "command": "xargo build --release",
+ "problemMatcher": [
+ "$rustc"
],
+ "group": {
+ "kind": "build",
+ "isDefault": true
+ }
+ },
+ {
+ "type": "shell",
+ "label": "xargo build --example loop",
+ "command": "xargo build --example loop ",
"problemMatcher": [
"$rustc"
],
@@ -32,6 +38,6 @@
"kind": "build",
"isDefault": true
}
- }
+ },
]
}
\ No newline at end of file
diff --git a/examples/loop.rs b/examples/loop.rs
new file mode 100644
index 0000000..8f615cd
--- /dev/null
+++ b/examples/loop.rs
@@ -0,0 +1,36 @@
+//! Nesting claims and how the preemption threshold works
+//!
+//! If you run this program you'll hit the breakpoints as indicated by the
+//! letters in the comments: A, then B, then C, etc.
+#![deny(unsafe_code)]
+#![feature(proc_macro)]
+#![no_std]
+
+extern crate cortex_m;
+extern crate cortex_m_rtfm as rtfm;
+extern crate stm32f40x;
+
+#[macro_use]
+extern crate cortex_m_debug;
+
+use rtfm::app;
+
+app! {
+ device: stm32f40x,
+}
+
+fn init(_p: init::Peripherals) {
+ let mut sum = 0;
+ for i in 0..10 {
+ ipln!("i = {}", i);
+ sum += i;
+ }
+ ipln!("Sum 0 .. 10 = {}", sum);
+}
+
+#[inline(never)]
+fn idle() -> ! {
+ loop {
+ rtfm::wfi();
+ }
+}
--
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