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License: BSD 2-Clause "Simplified" License
Lab exercises for Chisel in the digital electronics 2 course at DTU
License: BSD 2-Clause "Simplified" License
Hi Schoeberl
May I suggest a repository that contains exemplary solutions for the labs in this repository.
Thank you.
/Henrik
I think we should add your exercises as plain Chisel/Scala files with a README.md for the text and not dumping all Jupyter notebook stuff into this repo. There is still the Jupyter repo, we will not delete that one.
Martin
This is correct install way
#install scala tool: https://www.scala-sbt.org/download.html
echo "deb https://repo.scala-sbt.org/scalasbt/debian all main" | sudo tee /etc/apt/sources.list.d/sbt.list
echo "deb https://repo.scala-sbt.org/scalasbt/debian /" | sudo tee /etc/apt/sources.list.d/sbt_old.list
curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | sudo apt-key add
sudo apt update
sudo apt install sbt
curl -Lo coursier https://git.io/coursier
chmod +x coursier
coursier will error
///////////////////////////////////////////////////////////// modify to this
#install coursier: https://get-coursier.io/docs/1.1.0-M10/cli-overview
curl -L -o coursier https://git.io/coursier-cli && chmod +x coursier && ./coursier --help
pip3 install jupyter
export SCALA_VERSION=2.12.8
export ALMOND_VERSION=0.2.1
./coursier bootstrap -r jitpack -i user -I user:sh.almond:scala-kernel-api_$SCALA_VERSION:$ALMOND_VERSION sh.almond:scala-kernel_$SCALA_VERSION:$ALMOND_VERSION -o almond
./almond --install
When working through the lab, in lab3 I have a failing test for AccuSpec
:
[info] AccuSpec:
[info] Accu
[info] Count15Spec:
[info] - should pass *** FAILED ***
[info] io_dout=0 (0x0) did not equal expected=3 (0x3) (lines in AccuSpec.scala: 7) (AccuSpec.scala:25)
In the AccuSpec.scala
file, there is no dut.clock.step(1)
between the last poke
and expect
. Adding this (see the diff below) made the test case stop failing. I do believe that this is the intended behaviour.
diff --git a/lab3/src/test/scala/AccuSpec.scala b/lab3/src/test/scala/AccuSpec.scala
index 9f861dd..47c1376 100644
--- a/lab3/src/test/scala/AccuSpec.scala
+++ b/lab3/src/test/scala/AccuSpec.scala
@@ -21,6 +21,7 @@ class AccuSpec extends AnyFlatSpec with ChiselScalatestTester {
dut.io.dout.expect(0.U)
dut.io.setZero.poke(false.B)
dut.io.din.poke(3.U)
+ dut.clock.step(1)
dut.io.dout.expect(3.U)
}
}
In HeapControl.scala, using RegEnable
will make full always be true after the first time when heap is full, so the dut cannot deassert full after a remove operation has finished on a previously full dut?
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