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Added img for GRC example

NotPike 2022-04-17 23:40:04 -04:00
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C16-format.md

@ -30,7 +30,11 @@ As a final remark, if you created a new file, be sure that the Project Rate matc
Alternatively you can use GNU Radio Companion (GRC) to convert the C16 short into a complex IQ file. Alternatively you can use GNU Radio Companion (GRC) to convert the C16 short into a complex IQ file.
To accomplish this you'll need to bring in the original C16 file using the GRC block `File Source` setting the output type to short, pipe it to `IShort To Complex`, then `Multiply Consent` using the magic number 1.0 / 32768.0 for the constant, and finally export it with `File Sink`. ![c16_GRC_1](https://user-images.githubusercontent.com/18655435/163750552-225a6a62-42dd-4bc3-8b64-f8a718109202.png)
As seen in the image above you'll need to bring in the original C16 file using the GRC block `File Source` setting the output type to short, pipe it to `IShort To Complex`, then `Multiply Consent` using the magic number 1.0 / 32768.0 for the constant, and finally export it with `File Sink`.
This GRC script can be found at [`firmware/tools/convert_C16_to_complex.grc`](https://github.com/eried/portapack-mayhem/blob/next/firmware/tools/convert_C16_to_complex.grc)