CP mode not sending POLLs

[Subsentient]

Hi, so I'm trying to use libosdp in CP mode on an STM32G071RB, and it sends one poll request and then silence, whether the PD replies or not. Can you test CP mode? Am I doing something wrong? I can see that osdp_cp_refresh() is being called in the right interval, but it looks like after that one command it just gives up, never responds to the PD.

[sidcha]

Hi, can you please post the Debug logs? Without that, it's hard to tell what the issue might be.

How are you seeing that only one packet is sent by the CP?

[Subsentient]

I saw by the oscilloscope connected to the RS485 lines. I'll enable the debug logs and post them shortly. There's only one log posted by OSDP, it's just the greeting: [00:00:00.001,000] app_osdp: libosdp: osdp::cp: osdp_cp.c:1597 [INFO ] CP Setup complete; LibOSDP-3.1.0 platformio NumPDs:1 Channels:1

[Subsentient]

How do I configure libosdp to send POLL every 50ms like it's supposed to?

[sidcha]

You don't have to configure it to POLL, that's the default behavior. Please post the debug logs (see https://libosdp.sidcha.dev/libosdp/debugging.html) here as requested earlier.

[Subsentient]

It's still only asking once at startup and then never makes any other attempts to POLL.

[00:00:00.000,000] <inf> app_osdp: OSDP CP thread initializing [00:00:00.000,000] <dbg> app_osdp: osdp_uart_callback: UART_RX_BUF_REQUEST [00:00:00.000,000] <inf> app_osdp: Calling osdp_cp_setup() [00:00:00.001,000] <inf> app_osdp: libosdp: osdp::cp: osdp_cp.c:1597 [INFO ] CP Setup complete; LibOSDP-3.1.0 platformio NumPDs:1 Channels:1 [00:00:00.001,000] <inf> app_osdp: Got osdp ctx at 0x20003e48 [00:00:00.001,000] <inf> app_osdp: OSDP CP mode initialized successfully. [00:00:00.057,000] <inf> app_osdp: Transmitting on OSDP UART with length 10 [00:00:00.067,000] <inf> app_osdp: OSDP UART TX done, transmitted 10 bytes [00:00:00.068,000] <inf> app_osdp: Downloaded OSDP data with length 10 [00:00:00.087,000] <inf> app_osdp: ***** Exiting OSDP RX callback with 10 bytes read ***** [00:00:00.092,000] <inf> app_osdp: Downloaded OSDP data with length 22 [00:00:00.096,000] <inf> app_uart: Queueing outgoing message to nrf with length 11 [00:00:00.143,000] <inf> app_osdp: ***** Exiting OSDP RX callback with 22 bytes read ***** [00:00:00.143,000] <inf> app_osdp: libosdp: OSDP: CP: PD-127: osdp_phy.c:581 [DEBUG] Packet scan skipped:4 mark:1 [00:00:00.143,000] <inf> app_osdp: libosdp: OSDP: CP: PD-127: osdp_cp.c:690 [DEBUG] CMD: ID(61) REPLY: PDID(45) [00:00:00.144,000] <inf> app_osdp: libosdp: OSDP: CP: PD-127: osdp_cp.c:1260 [DEBUG] StateChange: [ID-Request] -> [Cap-Detect] (SC-Inactive)

[Subsentient]

Hi, here's the logs I have. I set the OSDP logger to debug but this is all I get. Some of these logs are for my application but the ones that say libosdp are yours.

[00:00:00.000,000] app_osdp: OSDP CP thread initializing
[00:00:00.000,000] app_osdp: osdp_uart_callback: UART_RX_BUF_REQUEST
[00:00:00.000,000] app_osdp: Calling osdp_cp_setup()
[00:00:00.001,000] app_osdp: libosdp: osdp::cp: osdp_cp.c:1597 [INFO ] CP Setup complete; LibOSDP-3.1.0 platformio NumPDs:1 Channels:1
[00:00:00.001,000] app_osdp: Got osdp ctx at 0x20003e48
[00:00:00.001,000] app_osdp: OSDP CP mode initialized successfully.
[00:00:00.057,000] app_osdp: Transmitting on OSDP UART with length 10
[00:00:00.067,000] app_osdp: OSDP UART TX done, transmitted 10 bytes
[00:00:00.068,000] app_osdp: Downloaded OSDP data with length 10
[00:00:00.087,000] app_osdp: ***** Exiting OSDP RX callback with 10 bytes read *****
[00:00:00.092,000] app_osdp: Downloaded OSDP data with length 22
[00:00:00.096,000] app_uart: Queueing outgoing message to nrf with length 11
[00:00:00.143,000] app_osdp: ***** Exiting OSDP RX callback with 22 bytes read *****
[00:00:00.143,000] app_osdp: libosdp: OSDP: CP: PD-127: osdp_phy.c:581 [DEBUG] Packet scan skipped:4 mark:1
[00:00:00.143,000] app_osdp: libosdp: OSDP: CP: PD-127: osdp_cp.c:690 [DEBUG] CMD: ID(61) REPLY: PDID(45)
[00:00:00.144,000] app_osdp: libosdp: OSDP: CP: PD-127: osdp_cp.c:1260 [DEBUG] StateChange: [ID-Request] -> [Cap-Detect] (SC-Inactive)

[sidcha]

[00:00:00.143,000] app_osdp: libosdp: OSDP: CP: PD-127: osdp_phy.c:581 [DEBUG] Packet scan skipped:4 mark:1

This line indicates you have some junk chars on the RX buffer. can you try to print the RX/TX bytes on the way in and out. You could also plug in a logic analyser to see what's going on.

[00:00:00.144,000] app_osdp: libosdp: OSDP: CP: PD-127: osdp_cp.c:1260 [DEBUG] StateChange: [ID-Request] -> [Cap-Detect] (SC-Inactive)

It looks like your CP is actually progressing past the initial POLL, ID and then moves on to CAP request. Something after that fails. Are you sure this is the the last log line even after you waited for like 5 minutes?