In my humble opinion it would be better to have a new project for this board and not have the code for this project and others mixed together. I think the problem is we don’t really understand GitHub and how to manage the permissions for AMSAT group.

It does work however with the branch version you just have to work at CCS to get it to deal with the branch.

I have highlighted the one you want on the image (WB1FJ_Port_to_Blinky). You can see by selecting the main on the GitHub. button If you have trouble with CCS I can give you some hints on that also.

Bob

[cid:0CED1542-B870-4A3D-AF7F-50206669C762@StricklinRanch.com]

On Feb 27, 2024, at 8:28 AM, Burns Fisher (AMSAT) via pacsat-dev <pacsat-dev@amsat.orgmailto:pacsat-dev@amsat.org> wrote:

No, SW V2 has nothing in it. I created it at Bob's request, but then we decided it would all work easier and better to make a branch of the first one. My code is branch WB1FJ_Port_to_Blinky. It looks like Chris merged something with main, but I'm not sure what. However, until a couple days ago at least, main was still the launchpad version.

73,

Burns Fisher, WB1FJ AMSAT(R) Engineering -- Flight Software

On Tue, Feb 27, 2024 at 9:22 AM Jim McCullers via pacsat-dev <pacsat-dev@amsat.orgmailto:pacsat-dev@amsat.org> wrote:

I received my board last night and got it unpacked and started the visual review process, as in, that’s where that is. I’ll get it over to the software station tonight and start the learning process. My assumption is Burns V2 github version is the correct one to use.

Looking at the schematic, there may be a possible problem in the receiver front end but I need to review the AX5043 documentation and schematic before testing.

73

Jim WA4CWI

Initially there is an issue hearing a signal. RX Device 0 and 1 have no RSSI even if a strong signal is transmitted on their receive frequency RX Devices 2 and 3 both show an RSSI change with a transmitted signal.

I'll try to see if one of them can trigger the interrupt line. Initial testing suggests they do not.

73 Chris

On Mon, Feb 26, 2024 at 9:05 PM Bob Stricklin via pacsat-dev <pacsat-dev@amsat.orgmailto:pacsat-dev@amsat.org> wrote: I just checked a board and I see the RX3 sitting at GND state. Assuming the TMS570 is programmed to be an input the AX5043 must be pulling this line down to a low state.

The IRQ line is pin 19 and they all have a via close by that you could scratch the solder mask off of and measure the voltage. If they are programed correctly and receive data this line should go high and stay there until the buffer is cleared.

Bob

On Feb 26, 2024, at 7:15 PM, Burns Fisher (AMSAT) via pacsat-dev <pacsat-dev@amsat.orgmailto:pacsat-dev@amsat.org> wrote:

Also remember that none of the interrupt lines has been tested. As I recall Tx does not need it, but Rx does. This could be software. Is it possible to jump the IRQ line manually somehow to see if you get an interrupt out of it?

73,

Burns Fisher, WB1FJ AMSAT(R) Engineering -- Flight Software

On Mon, Feb 26, 2024 at 8:05 PM Bob Stricklin via pacsat-dev <pacsat-dev@amsat.orgmailto:pacsat-dev@amsat.org> wrote: Both Chris and Jim have their boards to work with. Chris has started to work with his and rotors TX is sending packets but not receiving any packets yet. Still working to understand issue.

It could be hardware or software.

To help sort out issues with the AX5043 I have made up a table (attached) to correlate the Select, IRQ lines with the physical chip on the board. All four AX5043s should have an RX signal so in theory any one of them could be used to receive signals. However there could be a hardware issue with any of them. The RX3 AX5043 at the top of board is configured to work single ended. The three other devices are working differentially. The code may need different register settings for each of these to work properly but in terms of the AX5043 I think they all should be looking for a differential signal. I expect the signal strength of RX3 will be lower.

Bob

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