Does anyone know why Netgear's Nighthawk R8000p won't patch? This thread goes on, and on, and on, but offers no solution. I'm looking for someone who successfully fixed it; hopefully without the need to TFTP into my device because I don't have a clue how to do that. I'm just a customer who expected this to be simple.
REF: https://community.netgear.com/t5/Nighthawk-WiFi-Routers/R8000p-can-t-update-firmware/td-p/1959938/page/2
My device has 2 issues:
It's config is totally lost when the power cycles on the device; a sweet feature the egg heads at Netgear left me; intentionally or haphazardly
It won't patch beyond version v1.4.1.50_1.3.10. I tried a factor reset and patch, but that failed too.
Oh, before I forget, if your a Netgear guy wondering why I did not raise this issue on Netgear's site, it is because I don't like cyber bullies. =)
Related
I am trying to make some custom firmware for a MIDI controller (AKAI LPD8).
There is an STM32F102R8T6 chip in the unit.
I am trying to reach it with a programmer to wipe it, but it seems to not be responsive.
Some information and thing I have tried:
The firmware that came with the unit works, so the chip is not broken
Removed the components connected to the programming pins (PA9-PA10 and PA13-PA14)
I am able to pull BOOT0 high and have it not run the main program, but I am however not able to get a life sign using either an ST-Link2(clone) connected to PA13/14, nor a USB to serial adapter connected to PA9/PA10, so I am not sure what mode it is in
The connection has been checked, and RX-TX etc is the correct way around (but also for the sake of trying it all, I reversed the connections as well...).
Tried both the STM32CubeProgrammer and stm32flash, but none connects.
I am actually not sure if AKAI have locked the chip in such a way that you cannot even do a full chip erase and use the chip for something new? The NRST pin is strangely not doing anything to the running of the firmware either when I try to pull it low.
Is there a way to reprogram these chips when they come off of a commercial product, or are they permanently locked?
Any solution/tips?
Many of the STM32 parts have "proprietary code read-out protection" (google PCROP) which but you might be lucky and they haven't enabled it in the option bytes. Read the documentation for that and the bootloader documentation and get a good idea of what you expect it to do if it is enabled and if it isn't.
If you have a scope, try watching the SWD/JTAG pins to see if there is any response from the device. (If you aren't even sure if it is in reset then scope the crystal if there is one).
If you haven't got a scope, you might be able to to verify what it is doing by seeing if it sets the pins and pull-resistors to how they would be expected to be in the bootloader mode, eg: UART TX should be high if it is enabled, even it it isn't transmitting anything. Put a strong pull-down (~1k) on there and see if it still reads high.
After hours of trying different ways of making it work (also tried the alternate mapping of the UART port), and probed the TX pin as suggested by Tom V to no avail, I have given up working on that specific chip and ordered an upgrade from the STM32F4 family instead to replace it with. A lot more power and useful peripherals.
A bit of a non-answer to the specific question. Frustrating to not have found out what was wrong (chip or approach) but being mindful of the sunk cost fallacy, I think it was best to just replace the chip with a fresh one and start development from there.
we are using a STM32H743VIT6 on a custom board with a JLink debugger. Out of the blue the processor jumps in a state where it isn't possible to flash the ECU anymore. The board is running but nether JMem nor our IDE (uVision) are able to access or detect the controller. Has anyone else encountered this behaviour so far? Google wasn't helpful either.
It is almost impossible to archive unless you enable RDP (which is very hard to archive if it was not the intention of the programmer).
You probably have screw-up the board design. You should have pull-up resistors on the debug lines and NRST connected to the programmer.
If you do not have NRST available simple solder the wire to the NRST, and when the programming probe connects to the uC, connect it to the GND.
If the NRST line is connected to the programmer you need to select nn the configuration "Connect under Reset"
We found the answer to our problem. Like #0___________ suggested we had an error in the board design. The NRST line had a condensator which after sufficient loading was pulling the pin up and causing the board to permanently stay in Reset until it had time to unload. After a bit of soldering the problem was solved.
Im using stm32f746ZGT + LAN8472A and lwip + freertos on my custom board. I generated default ethernet project by cubemx. I set static ip.
After connect the cable Link leds seem like good. Yellow one is
stable and green one is blinky.
In debugging i can see netif is fully configured and link is up.
RXD0 and RXD1 pins which are entering mcu have signal (i can see on
oscilloscope screen).
Clocks are good (i tested with oscilloscope).
But ETH_IRQHandler never hit so it doesnt answer any questions such as ping request. (I enabled ICMP at lwIP settings). What should i check to find the source of problem
I'm stuck in an issue that seems quite similar to your. I don't have a solution yet, but thought to share something I found that maybe take you into the right direction.
What I've found is that this seems an issue of teh Micro itself. Following I'm signaling you two links that point to long disucssions regarding (I think) the same problem.
https://github.com/ARMmbed/mbed-os/issues/6262
STM Errata
STM Errata
They both seem to point out to a specific hardware vesion of the STM32F769 (Rev. A) and it seems that the thing is solved in Rev. Z......I use a lot of conditionals, I know, but until I'll be able to test a Micro with the correct revision I won't be able to confirm the problem/solution.
Hope it helps.
Lorenzo
EDIT!
While I don't have an answer yet I can confirm that on STM32F4, with the same software, the problem does not show.
I have a multiplayer project which has some forever loops with checking code inside of them.
The problem is, multiple computers might process this and change crabx or craby due to lag in the variables dvotes, uvotes, lvotes, or rvotes. Only one machine should change this, though.
This can be easily solved by giving each player an ID like many people do in SQL. I would just check if the ID is 1, and that would be the "operating machine". I would then do all of these checks on that one machine. It would do things a Scratch server would do if you could program it...
The problem with this is that there is no way to detect when a player leaves the game. There is no block that is called "on exit" or "on stop button pressed". How would I go about doing this? I have seen people have a button which people click to exit, but some people will not click it/not even see it.
Thanks in advance!
Option 1
I've never been especially successful with cloud data myself, but I've heard the theory on this before:
Essentially, each player gets a "counter". Their computer then constantly increases that counter. If the counter ever stops increasing (which will be detected by the other computers, who are all looking after one another), the project will know that the user has left and one of the computers will take care of removing their ID and other data.
Obviously, this is much easier said than done. (As I said, I've never gotten complex cloud data to work well for myself, but I've seen it done successfully and explained.)
Option 2
Alternatively, you might be better off taking advantage of this cloud api created by MegaApuTurkUltra. I find that stealing from others tends to be the best way of solving problems when it comes to code. ;)
i thought it'd be better to rephrase. my earlier formulation of my question could have been better focused. the trouble with presence notifications, while real and still recurring, is kind of minor. the things i haven't figured out yet i can fake or work around. much less of a concern than getting basic text chat messages moving between users.
again, still fairly new with this combo of tech flavors - using libjingle as the heart (and liver and kidneys...) of an iphone xmpp/jabber app. got the sign on part, the presence notification/roster updating business actually seems to be working more or less as it should. but xmpp text chat message stanzas seem to vanish before making it out on the wire. capturing other network traffic, and perusing the pretty packets, i yeah, i can see the exchanges for sign on, etc. that got us going, but then nothing for chat.
i've checked and double checked how i'm putting together the stanzas, attributes, namespaces, etc. everything looks jim-dandy to me. i can see that a message is getting queued in the libjingle internal infrastructure. but no results on the ethernet.
hoping somebody who has played around with this stuff before might remember a similar stumbling block and can offer up a hint, suggestion, or pointer in the right direction.
thanks for any help.
mike