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Shara Mchale

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Jan 26, 2024, 1:32:01 PMJan 26
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I'm developping a demonstrator with a shield I made to fit a Nucleo 144 - F207ZG board. My application uses ethernet link (TCP, UDP client and server) and FreeRTOS. Base project is generated from CubeMX and I work under Atollic True Studio. This is my first projet with STM32, FreeRTOS and LwIP.


My application works fine, but the ethernet low level management is pretty basic (generated by CubeMX) : wait for 5 seconds to get a link up, then run app. If link is down at startup and becomes up later, the driver does not get the updated information and the system remains down. If link is up at start and application runs correctly, I'm not informed by low level driver of link loss.



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I looked at code examples for EVAL boards and in this case this is handled by an additionnal task because the PHY has an INT signal connected to the STM32, that triggers the link check routines. But on the NUCLEO144 boards, using a low cost PHY (LAN8742) the INT signal is not connected and used a clock signal to synchronise PHY and MAC. So I'm not able to use that kind of warning to handle link status changes.


The only solution I see would be to check periodically the PHY internal STATUS register to check link status, but I'm not confident enough to modify the driver and perform checks without inferering with existing running driver task. However, my idea is to create a task with priority higher than ethernet task, executed periodically :


- if link is up, check if the heth->State is equal to HAL_ETH_STATE_READY, and if ready, check the PHY register to see if link is still up. If link down, call the function that disables the MAC, and stop the high level ethernet tasks. But I'm afraid of interfering with ETH interrupt. What happens if I'm accessing the PHY with my test task, and an IT triggers with received data to handle ?


Would it be more reliable if I get the functions related to link state change management from an EVAL demo, and I just modify the trigger of the call to be not an interrupt, but a periodic delay (ie every second) ?


Moreover, I'm surprised that the init function is so long for initializing. In stm32f2xx_hal_eth.c, each step is limited by a timeout, for example 5 seconds to get the link (ETH_TIMEOUT_LINKED_STATE), and this is defined inside the file itself, not a configurable feature without modifying the driver. This is a blocking execution ; when running at startup it's not really a problem, but if running from a thread (when app needs to reinit MAC after link switching from down to up), that does not give the hand to lower priority task until operations are finished. That means that this task should be executed with the lowest priority, am I right ?


If you look into the HAL_ETH_IRQHandler (I used as example F4 series) you will see that there is not use of MII bus. The IRQ handler in stm32fxxx_hal_eth.c only checks DMA flags, so if there is no code using the MII bus - if the IRQ user callbacks do not use it. You can use another thread probing the Basic Status Register in PHY to see the link status and trigger correct action.


- enabling LWIP_NETIF_LINK_CALLBACK label to 1 in lwiopts.h, to get access to function ethernetif_update_config() called by netif_set_link_up() and netif_set_link_down() after callback linking performed with following line :






- and in my general management task (that perform the init and creates all the others tasks, and then is only woke up every 250ms to make a led blink), I checks periodically the PHY status register :


I'm building a sub and Navigation Terminal just refuses to link to Status monitor. The green line appears, but the status image is absent in the nav menu.

I've tried every single variation of the scheme, none worked. What do I do, fellow submariners?


Hi, I am creating remote issue links programatically using remoteIssueLinkService + API REST (like /rest/api/2/issue/" + + "/remotelink) in a postfunction. The idea is to create a direct and reciprocal link between 2 issues in 2 different Jira instances.


All works OK, except that I dont know how to show the status of the remote issue and how the status is automatically updated in the link as the remote issue change its status, like in this screenshot:


Hi,

I feel I have the same problem as Acari, or at least a question closely related.

I successfully created the remote link, from one issue to an issue of another JIRA server.

When I display the link on the JIRA UI, on the screen, I can see the status and summary of the remote issue. But when I get the remote link, using the REST API, or even using groovy and its java API, both pretend to return the status but in my case the field is always empty.

Does anyone have a way to retrieve the remote issue status without explicitly asking to the remote server?


It is also possible to customize the label and button text on this page. The appointment status name can be shown as the status shortcode on the label section. So, you can type something like this:

You are about to change your appointment status to status

or Do you confirm that your appointment will be status?


The scenario is this: On an intranet-site which naturally has a lot of links we want a link to have the status of "visited" for a set period of time only. I am therefore looking for a way to manipulate the visited status of links.


The client-side way to reset links to the unvisited state is to (somehow) clear the browsing history. I would be very surprised to learn there is a portable way to do it. It also has unpleasant side effects such as crippling the behavior of history-sensitive smart location bars such as the one in Firefox 3.


As Drew Noakes suggested, a server-side way is to add some noise query parameters to the links, and periodically change the query parameter. This only gives a bad approximation of the behaviour you want. To get the "correct" behavior you'd need to track the history of visited pages per user server-side, so you can change the noise parameter for a specific page only after the requisite time.


I think a better solution would be to tweak the page style so the :visited pseudo class renders the same as the :link pseudo-class. Then keep a server-side history of visited links per user, and adjust the display of links using an explicit visited class.


So you just want to make "visited" links look different for a certain amount of time? This is easy if you bypass the browser's :visited pseudoclass and just assign a custom class name. Use cookies; they've got built-in expiration.


One 'hack' might be to append an unused query string on the end of links, and rotate them periodically. Although this means that the length of the 'visited' state for a particular client depends upon when the query string rotates rather than a fixed period of time.


If you have subpages in your site that change (pointing to new content) your users will figure that out. If you've got a shiny new article from two or three levels deep in your page structure, add a what's new section with a link on your main page if it's that important. (Or send an notice with a link in an email, or...)


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After you apply for a job, the hiring agency is responsible for providing the status of your application (for example, application received or referred). You can check your application status by clicking the Track this application link for each application. The hiring agency may also send you emails with updates on your application.


The job announcement is closed, and the hiring agency is reviewing applications. This status will display until the hiring process is complete. If you want to see more details about your application status, click Track this application.


NOTE: Currently, you will see Reviewing applications even if the hiring is complete. The hiring agencies are responsible for marking a position as hiring complete and are updating their application systems to show this status in mid-2021.


Yes. If you fax a resume or any other documents, there may be a delay between when the documents are faxed and when they appear as received on an application. If you have questions about the status of your faxed documents, contact the hiring agency.


The hiring agency sends the status to USAJOBS. USAJOBS does not have any control over the status or lack of a status. You can access updates from the agency by using the Track this application link in your USAJOBS profile or contact the agency point of contact on the job announcement.


Windows 11 lets you quickly check your network connection status. Select the Start button, then type settings. Select Settings > Network & internet. The status of your network connection will appear at the top.


The URL Inspection tool provides information about Google's indexed version of a specific page, and also allows you to test whether a URL might be indexable. Information includes details about structured data, video, linked AMP, and indexing/indexability.

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