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SpinalHDL-tutorial based on Jupyter Notebook
目前的环境无法使用 pipeline
引入 pipeline , 提示如下 :
cmd2.sc:8: object pipeline is not a member of package spinal.lib
import spinal.lib.pipeline._
^Compilation Failed
Compilation Failed
latest commit 980282a
failed with the following information:
[Progress] at 0.486 : Elaborate components
spinal.core.SpinalExit:
dslScope stack is not empty :(
********************************************************************************
********************************************************************************
Design's errors are listed above.
SpinalHDL compiler exit stack :
because the latest SpinalHDL1.4.0 using idsl-plugin. so
compilerPlugin("com.github.spinalhdl" % "spinalhdl-idsl-plugin_2.11" % "1.4.0")
should be added
compilerPlugin("com.github.spinalhdl" % "spinalhdl-idsl-plugin_2.11" % "1.4.1")
instead
import $plugin.$ivy.`com.github.spinalhdl::spinalhdl-idsl-plugin:1.4.0`
On the version owned by SpinalHDL, there is a link in the README which does not work, with these issues:
Found built image, launching...
Launching server...
Server requested
2022-10-13T09:19:48Z [Normal] Successfully assigned bhub-ns/jupyter-jijingg-2dspinal-2dbootcamp-2da7fxqzu7 to svko-ilcm04
2022-10-13T09:19:25Z [Normal] Created container block-cloud-metadata
2022-10-13T09:19:48Z [Normal] Successfully assigned bhub-ns/jupyter-jijingg-2dspinal-2dbootcamp-2da7fxqzu7 to svko-ilcm04
2022-10-13T09:19:48Z [Normal] Successfully assigned bhub-ns/jupyter-jijingg-2dspinal-2dbootcamp-2da7fxqzu7 to svko-ilcm04
2022-10-13T09:19:48Z [Normal] Successfully assigned bhub-ns/jupyter-jijingg-2dspinal-2dbootcamp-2da7fxqzu7 to svko-ilcm04
Spawn failed: Timeout
Launch attempt 1 failed, retrying...
Server requested
2022-10-13T09:25:07Z [Normal] Successfully assigned bhub-ns/jupyter-jijingg-2dspinal-2dbootcamp-2deectjatw to spko-css-app03
Launch attempt 2 failed, retrying...
Server requested
2022-10-13T09:30:27Z [Normal] Successfully assigned bhub-ns/jupyter-jijingg-2dspinal-2dbootcamp-2diltn4m3h to spko-css-app03
2022-10-13T09:30:51Z [Normal] Container image "jupyterhub/k8s-network-tools:1.2.0" already present on machine
2022-10-13T09:30:52Z [Normal] Created container block-cloud-metadata
2022-10-13T09:31:01Z [Normal] Started container block-cloud-metadata
2022-10-13T09:31:06Z [Normal] Pulling image "gesiscss/binder-r2d-g5b5b759-jijingg-2dspinal-2dbootcamp-d3ef7f:883e3261e1539ce4f27f302f74df8bec4bfaa77b"
Failed to connect to event stream
I often encounter some methods like Stream.s2mPipe() that I don't know what to do.There are very few comments in the source code, and most methods have no comment.I can only find part of the explanation on the SpinalHDL Document.However, There are so few explanations that I can't understand them and the version of spinal HDL document is only 1.3.8.
So when you encounter a method that you don't understand, in addition to looking at the source code, what better way to understand it?
copy and paste the following code to your project, then make sure this pure simple case work on your env.
import spinal.core._
import spinal.core.sim._
object EnvCheckSim extends App{
class Sawtooth extends Component{
val io = new Bundle{
val inc = in Bool()
val sawtooth = out UInt(5 bits)
}
val myReg = Reg(UInt(5 bits)) init 0
when(io.inc){
myReg := myReg + 1
}
io.sawtooth := myReg
}
SimConfig
.allOptimisation
.workspacePath("./simWorkspace")
.withFstWave
.compile(new Sawtooth)
.doSimUntilVoid("Sawtooth") { dut =>
dut.clockDomain.forkStimulus(2)
sleep(10)
dut.io.inc #= false
dut.clockDomain.waitSampling(10)
dut.io.inc #= true
sleep(1000)
simSuccess()
}
}
scala version 2.12.18
almond 0,5
jdk 1.8
os: windows 11
No matter with VSCODE or Jupyter, showRTL() produces the errors:
java.lang.AbstractMethodError: com.sun.jna.Structure.getFieldOrder()Ljava/util/List;
com.sun.jna.Structure.fieldOrder(Structure.java:936)
com.sun.jna.Structure.getFields(Structure.java:962)
com.sun.jna.Structure.deriveLayout(Structure.java:1129)
com.sun.jna.Structure.calculateSize(Structure.java:1053)
com.sun.jna.Structure.calculateSize(Structure.java:1006)
com.sun.jna.Structure.allocateMemory(Structure.java:393)
com.sun.jna.Structure.<init>(Structure.java:184)
com.sun.jna.Structure.<init>(Structure.java:172)
com.sun.jna.Structure.<init>(Structure.java:159)
com.sun.jna.Structure.<init>(Structure.java:151)
com.sun.jna.platform.win32.WinNT$OSVERSIONINFOEX.<init>(WinNT.java:1934)
com.sun.jna.platform.win32.VersionHelpers.IsWindowsVersionOrGreater(VersionHelpers.java:59)
com.sun.jna.platform.win32.VersionHelpers.IsWindows7OrGreater(VersionHelpers.java:154)
oshi.hardware.platform.windows.WindowsCentralProcessor.initProcessorCounts(WindowsCentralProcessor.java:157)
oshi.hardware.common.AbstractCentralProcessor.<init>(AbstractCentralProcessor.java:73)
oshi.hardware.platform.windows.WindowsCentralProcessor.<init>(WindowsCentralProcessor.java:77)
oshi.hardware.platform.windows.WindowsHardwareAbstractionLayer.createProcessor(WindowsHardwareAbstractionLayer.java:60)
oshi.util.Memoizer$1.get(Memoizer.java:87)
oshi.hardware.common.AbstractHardwareAbstractionLayer.getProcessor(AbstractHardwareAbstractionLayer.java:66)
spinal.sim.SimManager$.cpuCount$lzycompute(SimManager.scala:72)
spinal.sim.SimManager$.cpuCount(SimManager.scala:70)
spinal.sim.SimManager$.newCpuAffinity(SimManager.scala:76)
spinal.core.fiber.EngineContext.<init>(AsyncCtrl.scala:17)
spinal.core.fiber.Engine$.create(AsyncCtrl.scala:143)
...
spinal.core.SpinalConfig.generate(Spinal.scala:163)
ammonite.$file.dummy.source.load$minusspinal$Helper.showRtl(Main.sc:38)
ammonite.$sess.cmd12$Helper.<init>(cmd12.sc:7)
ammonite.$sess.cmd12$.<init>(cmd12.sc:7)
ammonite.$sess.cmd12$.<clinit>(cmd12.sc:-1)
Is there a way to fix this?
I am unable to load the SpinalHDL libraries, both on macOS and on Linux. All the tools are installed and the Scala kernel is running.
Downloading https://repo1.maven.org/maven2/com/github/spinalhdl/spinalhdl-core_2.13/1.4.1/spinalhdl-core_2.13-1.4.1.pom
Downloaded https://repo1.maven.org/maven2/com/github/spinalhdl/spinalhdl-core_2.13/1.4.1/spinalhdl-core_2.13-1.4.1.pom
Downloading https://repo1.maven.org/maven2/com/github/spinalhdl/spinalhdl-core_2.13/1.4.1/spinalhdl-core_2.13-1.4.1.pom.sha1
Downloaded https://repo1.maven.org/maven2/com/github/spinalhdl/spinalhdl-core_2.13/1.4.1/spinalhdl-core_2.13-1.4.1.pom.sha1
ammonite.util.CompilationError: Failed to resolve ivy dependencies:Error downloading com.github.spinalhdl:spinalhdl-core_2.13:1.4.1
not found: /Users/domenic/.ivy2/local/com.github.spinalhdl/spinalhdl-core_2.13/1.4.1/ivys/ivy.xml
not found: https://repo1.maven.org/maven2/com/github/spinalhdl/spinalhdl-core_2.13/1.4.1/spinalhdl-core_2.13-1.4.1.pom
ammonite.interp.Interpreter$$anon$1$load$.module(Interpreter.scala:693)
ammonite.$sess.cmd0$Helper.<init>(cmd0.sc:2)
ammonite.$sess.cmd0$.<clinit>(cmd0.sc:7)
The issue is probably with the version number. spinalhdl-core_2.13 does not exit at https://repo1.maven.org. Only version 2.11 and 2.12 do exist. How can I change the version number. I did not find anything in the load-spinal.sc file to change that.
When opening the Jupyter notebook, it gets stuck with "kernel starting... please wait".
On the Jupyter notebook log, I find the message:
scala.reflect.internal.MissingRequirementError: object java.lang.Object in compiler mirror not found.
And that leads me to think it is the Java version. I changed the Java version on Ubuntu by running sudo update-alternatives --config java
and selection java-8. Then, I was able to run the notebook (see below)
I think it would be good to include this in the documentation. Also, please include the coursier installation command. It wasn't clear to me the first time around even though you do make note of it at the end of the README.
./coursier launch almond:0.5.0 --scala 2.12.8 -- --install
(base) ➜ ~ java -version
openjdk version "11.0.7" 2020-04-14
OpenJDK Runtime Environment (build 11.0.7+10-post-Ubuntu-3ubuntu1)
OpenJDK 64-Bit Server VM (build 11.0.7+10-post-Ubuntu-3ubuntu1, mixed mode, sharing)
(base) ➜ ~ sudo update-alternatives --config java
There are 2 choices for the alternative java (providing /usr/bin/java).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 auto mode
1 /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 manual mode
2 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1081 manual mode
Press <enter> to keep the current choice[*], or type selection number: 2
update-alternatives: using /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java to provide /usr/bin/java (java) in manual mode
It would be useful to draw the simulated waveform on jupyter and analysis the result.
The easiest way is to enable the capability of render vcd file on jupyter.
Might the wavedrom widget helps?
Hi,
When I try to execute following code:
val path = System.getProperty("user.dir") + "/source/load-spinal.sc"
interp.load.module(ammonite.ops.Path(java.nio.file.FileSystems.getDefault().getPath(path)))
I will encounter following error:
ammonite.util.CompilationError: Failed to resolve ivy dependencies:Error downloading com.github.spinalhdl:spinalhdl-core_2.13:1.4.1
not found: /Users//.ivy2/local/com.github.spinalhdl/spinalhdl-core_2.13/1.4.1/ivys/ivy.xml
not found: https://repo1.maven.org/maven2/com/github/spinalhdl/spinalhdl-core_2.13/1.4.1/spinalhdl-core_2.13-1.4.1.pom
According to https://repo1.maven.org/maven2/com/github/spinalhdl/, there is no 2.13 version available.
I try to replace all 2.13 to 2.12 in 1.1-Spinal-quick-start.ipynb file and then rerun, however, it doesn't work - still same error messages.
I'd like to ask how to fix this issue. Thanks in advance for the help!
I copy this code to my intellij:
class MySub extends Component {
val io = new Bundle{
val a = in UInt(8 bits)
val b = out UInt(8 bits)
}
io.b := RegNext(io.a) init(0)
}
class Top extends Component {
val io = new Bundle{
val a0,a1 = in UInt(8 bits)
val cg_en0,cg_en1 = in Bool
val b = out UInt(8 bits)
}
val gated_clk0: Bool = CG(clockDomain, io.cg_en0, False)
val gated_clk1: Bool = CG(clockDomain, io.cg_en1, False)
val cgd0 = ClockDomain(gated_clk0, clockDomain.readResetWire)
val cgd1 = ClockDomain(gated_clk1, clockDomain.readResetWire)
cgd0.setSyncWith(cgd1) // set Two clock Family as synchronous , valid on SpinalHDL1.3.7
val u_sub0 = cgd0(new MySub)
val u_sub1 = cgd1(new MySub)
u_sub0.io.a := io.a0
u_sub1.io.a := io.a1
io.b := RegNext(u_sub0.io.b + u_sub1.io.b) init 0
}
In this code,the synchronous information is indicated
cgd0.setSyncWith(cgd1) // set Two clock Family as synchronous , valid on SpinalHDL1.3.7
But there are still errors about cross domain.Why?
CLOCK CROSSING VIOLATION :
- Source : (toplevel/u_sub0/io_a_regNext : UInt[8 bits]) java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
- Source clock : (toplevel/[CG]/ECK : out Bool)
- Destination : (toplevel/??? : UInt[8 bits]) java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
- Destination clock : (clk : Bool)
- Source declaration :
OS:WIN10
Intellij IDEA:2019.3.3
JDK:1.8
Scala:2.11.12
SpinalHDL:1.4.1
when execute In[6] of this .ipynb, fail to run. The error message is below
cmd6.sc:4: not found: value IS42x320D
sdramLayout = IS42x320D.layout,
^cmd6.sc:5: not found: value IS42x320D
sdramTimings = IS42x320D.timingGrade7,
^Compilation Failed
Compilation Failed
cmd1.sc:2: object ops is not a member of package ammonite
val res1_1 = interp.load.module(ammonite.ops.Path(java.nio.file.FileSystems.getDefault().getPath(path)))
^Compilation Failed
win10
scala 2.12.16
almond 0.13
jupyter notebook
This example is from chapter 3.1-RBG.
case class Rgb(channelWidth: Int) extends Bundle{
val r = UInt(channelWidth bits)
val g = UInt(channelWidth bits)
val b = UInt(channelWidth bits)
def init(x: Int): Rgb = {
val ret = cloneOf(this)
ret.r := U(x)
ret.g := U(x)
ret.b := U(x)
ret
}
def clear = {
this.r := 0
this.g := 0
this.b := 0
}
// override def clone :Rgb = Rgb.asInstanceOf[this.type]
}
class Top extends Component{
val a = slave Flow(Rgb(8))
val flush = in Bool()
val b = master Flow(Rgb(8))
val retReg = RegNext(a.payload) init 0 //how to
when(flush){
retReg.clear
}
b.payload := retReg
b.valid := True
}
I think the RTL this code describes is like this picture below.
module Top (
input a_valid,
input [7:0] a_payload_r,
input [7:0] a_payload_g,
input [7:0] a_payload_b,
input flush,
output b_valid,
output [7:0] b_payload_r,
output [7:0] b_payload_g,
output [7:0] b_payload_b,
input clk,
input reset
);
reg [7:0] a_payload_regNext_r;
reg [7:0] a_payload_regNext_g;
reg [7:0] a_payload_regNext_b;
reg [7:0] retReg_r;
reg [7:0] retReg_g;
reg [7:0] retReg_b;
always @ (*) begin
retReg_r = a_payload_r;
if(flush)begin
retReg_r = 8'h0;
end
end
always @ (*) begin
retReg_g = a_payload_g;
if(flush)begin
retReg_g = 8'h0;
end
end
always @ (*) begin
retReg_b = a_payload_b;
if(flush)begin
retReg_b = 8'h0;
end
end
assign b_payload_r = a_payload_regNext_r;
assign b_payload_g = a_payload_regNext_g;
assign b_payload_b = a_payload_regNext_b;
assign b_valid = 1'b1;
always @ (posedge clk or posedge reset)
if(reset)
begin
a_payload_regNext_r <= 8'h0;
a_payload_regNext_g <= 8'h0;
a_payload_regNext_b <= 8'h0;
end
else
begin
a_payload_regNext_r <= retReg_r;
a_payload_regNext_g <= retReg_g;
a_payload_regNext_b <= retReg_b;
end
endmodule
But the code generated is like what is error.
module Top (
input a_valid,
input [7:0] a_payload_r,
input [7:0] a_payload_g,
input [7:0] a_payload_b,
input flush,
output b_valid,
output [7:0] b_payload_r,
output [7:0] b_payload_g,
output [7:0] b_payload_b,
input clk,
input reset
);
reg [7:0] a_payload_regNext_r;
reg [7:0] a_payload_regNext_g;
reg [7:0] a_payload_regNext_b;
reg [7:0] retReg_r;
reg [7:0] retReg_g;
reg [7:0] retReg_b;
always @ (*) begin
retReg_r = 8'h0;
if(flush)begin
retReg_r = 8'h0;
end
end
always @ (*) begin
retReg_g = 8'h0;
if(flush)begin
retReg_g = 8'h0;
end
end
always @ (*) begin
retReg_b = 8'h0;
if(flush)begin
retReg_b = 8'h0;
end
end
assign b_payload_r = retReg_r;
assign b_payload_g = retReg_g;
assign b_payload_b = retReg_b;
assign b_valid = 1'b1;
always @ (posedge clk) begin
a_payload_regNext_r <= a_payload_r;
a_payload_regNext_g <= a_payload_g;
a_payload_regNext_b <= a_payload_b;
end
endmodule
Can you tell me if I understand it wrong, or is there a bug?
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