Bug in Colorlight 5a-7E Board

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beni...@gmail.com

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Jul 11, 2026, 5:12:28 PM (10 days ago) Jul 11
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Hello 

I am tersting a new I2S board, the board with WM8978 I2S codec,
This board requires initialization in I2S

I have added the code in one block only. The code in Verilog has been attached in this message

I have this issue in the new version of ICEStudio

Screenshot 2026-07-11 161032.png

Why are there duplicated lines? 

I have attached the ICE project too

Regards,
Fernando Mosquera

wm8978.v
i2c_master.v
wm_8978_test.ice

DemocritoBinary

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Jul 11, 2026, 5:23:00 PM (10 days ago) Jul 11
to FPGAwars: explorando el lado libre
Hola Fernando,

Observa que hay una entrada sin especificar. No tengo idea de si será eso, pero generalmente Icestudio no permite entradas y salidas tipo "Null"

Un saludo!

Null.png

DemocritoBinary

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Jul 11, 2026, 5:25:58 PM (10 days ago) Jul 11
to FPGAwars: explorando el lado libre
Quise decir, "una salida sin especificar"...

Carlos Venegas

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Jul 11, 2026, 6:15:29 PM (10 days ago) Jul 11
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Parece un bug, voy a revisarlo!

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Carlos Venegas

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Jul 11, 2026, 6:39:29 PM (10 days ago) Jul 11
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Surprise!!!

If you  move the code block inside the module, old labels are behind!!! you only need to remove it!

Captura de pantalla 2026-07-12 a las 0.37.54.png

Captura de pantalla 2026-07-12 a las 0.38.12.png

😆 could be fine an "orphan detector" for future releases!

beni...@gmail.com

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Jul 12, 2026, 12:40:10 AM (10 days ago) Jul 12
to FPGAwars: explorando el lado libre
Ohhh . Yes, you are right
Now it builds perfectly

Regards, 
Fernando Mosquera
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