From 567e81f54dcaa6a1f421e7b7512328319e173d3e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Edvin=20=C3=85kerfeldt?= <Edvin Åkerfeldt>
Date: Wed, 6 Jan 2021 13:49:15 +0100
Subject: [PATCH] First Task set implemented
---
examples/timing_exam.rs | 64 ++++++++++++++++++++++++++++++++++++++++-
1 file changed, 63 insertions(+), 1 deletion(-)
diff --git a/examples/timing_exam.rs b/examples/timing_exam.rs
index f332239..f8203a6 100644
--- a/examples/timing_exam.rs
+++ b/examples/timing_exam.rs
@@ -40,6 +40,7 @@ const APP: () = {
#[inline(never)]
#[task(schedule = [t1], priority = 1)]
fn t1(cx: t1::Context) {
+ let start = Instant::now();
asm::bkpt();
cx.schedule.t1(cx.scheduled + 100_000.cycles()).unwrap();
asm::bkpt();
@@ -50,12 +51,24 @@ const APP: () = {
// 2) your code here to update T1_MAX_RP and
// break if deadline missed
+ let resp: u32= start.elapsed().as_cycles();
+ if resp > 100_000 {
+ panic!();
+ } else {
+ unsafe {
+ if resp > T1_MAX_RP {
+ T1_MAX_RP = resp;
+ }
+ }
+ }
}
// Deadline 200, Inter-arrival 200
#[inline(never)]
#[task(schedule = [t2], resources = [R1, R2], priority = 2)]
- fn t2(cx: t2::Context) {
+ fn t2(mut cx: t2::Context) {
+ let start = Instant::now();
+
asm::bkpt();
cx.schedule.t2(cx.scheduled + 200_000.cycles()).unwrap();
asm::bkpt();
@@ -63,14 +76,45 @@ const APP: () = {
// 1) your code here to emulate timing behavior of t2
asm::bkpt();
+ // == Begin trace ==
+ asm::delay(10_000);
+ // R1 : claim
+ asm::delay(2_000);
+ // R2 : claim
+ cx.resources.R2.lock(|r2| {
+ asm::delay(4_000);
+ });
+ // R2 : release
+ asm::delay(4_000);
+ // R1 : release
+ asm::delay(2_000);
+ // R1 : claim
+ asm::delay(6_000);
+ // R1 : release
+ asm::delay(2_000);
+ // == End trace ==
+
+ asm::bkpt();
+
// 2) your code here to update T2_MAX_RP and
// break if deadline missed
+ let resp: u32= start.elapsed().as_cycles();
+ if resp > 200_000 {
+ panic!();
+ } else {
+ unsafe {
+ if resp > T2_MAX_RP {
+ T2_MAX_RP = resp;
+ }
+ }
+ }
}
// Deadline 50, Inter-arrival 50
#[inline(never)]
#[task(schedule = [t3], resources = [R2], priority = 3)]
fn t3(cx: t3::Context) {
+ let start = Instant::now();
asm::bkpt();
cx.schedule.t3(cx.scheduled + 50_000.cycles()).unwrap();
asm::bkpt();
@@ -78,8 +122,26 @@ const APP: () = {
// 1) your code here to emulate timing behavior of t3
asm::bkpt();
+ // == Begin trace ==
+ asm::delay(10_000);
+ // R2 : claim
+ asm::delay(10_000);
+ // R2 : release
+ asm::delay(10_000);
+ // == End trace ==
+
// 2) your code here to update T3_MAX_RP and
// break if deadline missed
+ let resp: u32= start.elapsed().as_cycles();
+ if resp > 50_000 {
+ panic!();
+ } else {
+ unsafe {
+ if resp > T3_MAX_RP {
+ T3_MAX_RP = resp;
+ }
+ }
+ }
}
// RTIC requires that unused interrupts are declared in an extern block when
--
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