Question about custom BOB for a 7i92

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31 May 2023 17:37 #272591 by blazini36

. If a frame pin is found for a BSPI channel, the external
decoder firmware is built, if not, the decoder is built into the firmware.
 

Well that sounds a bit easier. I assume by "found" that mean's created via the pin file? As in if the frame pin is just left out of the pin file it uses discrete CS lines rather than CS address lines?

 

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31 May 2023 17:41 - 01 Jun 2023 14:50 #272592 by PCW
 Yes, no frame pin means the CS pins are decoded
chip selects rather than chip select addresses.

7I92 and 7I92T  configs using BSPI with internally decoded CS pins:

 

File Attachment:

File Name: 7i92_blazini3.zip
File Size:106 KB


 

File Attachment:

File Name: 7i92t_blazini3.zip
File Size:235 KB

 
Attachments:
Last edit: 01 Jun 2023 14:50 by PCW.

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07 Jun 2023 02:13 - 07 Jun 2023 02:14 #273051 by blazini36
I just got the new rev PCB assembled and flashed the 7i92t, then I realized that firmware was probably meant for the original rev. Probably got mixed up, I posted this pinout on the 26th...

 

File Attachment:

File Name: 7i92_BoB_p...6-06.txt
File Size:2 KB


Some pins moved and it's using the MOSI pin with no decoder IC. The inputs are muxed now.
Attachments:
Last edit: 07 Jun 2023 02:14 by blazini36.

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07 Jun 2023 13:59 #273077 by PCW
I'll try and get to this before the end of the week

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08 Jun 2023 12:15 - 08 Jun 2023 12:16 #273167 by blazini36
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Last edit: 08 Jun 2023 12:16 by blazini36.
The following user(s) said Thank You: tommylight, besriworld

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08 Jun 2023 17:04 #273197 by PCW
 

File Attachment:

File Name: 7i92_blazini3a.zip
File Size:112 KB


 

File Attachment:

File Name: 7i92t_blazini3a.zip
File Size:241 KB
Attachments:

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