IIRC OpenWRT can also be flashed onto the DM200 with nmrpflash [1]. [1] https://github.com/jclehner/nmrpflash
Regards, Paul p.s. top posted as this thread already does that. > Op 2 jun. 2019, om 22:42 heeft Alberto Bursi <bobafetthotm...@gmail.com> het > volgende geschreven: > > It's not an Arduino, it's a USB dongle to communicate with Arduino > > (and any other embedded device's) TTL serial pins. > > Search for "arduino USB-TTL dongle" on ebay or amazon to find this tool. > > -Alberto > > On 02/06/19 17:39, Chris wrote: >> Hi Alberto, >> >> Thanks for explaining the situation to me. I'll get hold of an Arduino and >> give this a shot. >> >> All the best, >> Chris >> >> On Tue, May 28, 2019 at 4:52 PM Alberto Bursi <bobafetthotm...@gmail.com> >> wrote: >> >> >> Last attempt I saw was here https://github.com/openwrt/openwrt/pull/1770 >> >> but it was rejected. >> >> >> >> I have some experience with the bootloader used in this device, I can >> >> provide more complete instructions to do the uboot fix though. >> >> TTL/serial access seems to be easy (there is a header as you see in the >> photo), >> >> and you need an inexpensive "arduino USB-TTL dongle" to connect to this >> device. >> >> Connect the pins as defined in the wiki, open up your serial >> >> communication program (Putty usually) >> >> and set it for 115200 serial speed, others default. >> >> Then boot the device, press a key to stop boot when you see >> >> "Hit any key to stop autoboot: 2 1 0" >> >> It should stop and accept console commands. >> >> then copy-paste this line >> >> setenv sleep 1;nmrp;sf probe 0:3;sf read $loadaddr 0x30000 0x400000;bootm >> $loadaddr >> >> This will alter the bootloader configuration that is causing the issue. Now >> it will boot kernels up to 4MB big >> >> Will still be able to boot stock firmware, we are just increasing a size >> limit. >> >> and then save the change by writing >> >> saveenv >> >> and then you can reboot the device by pulling the plug or writing >> >> reset >> >> Now you can install OpenWrt as normal. >> >> -Alberto >> >> >> >> On 28/05/19 14:00, Chris wrote: >>> Hi folks, >>> >>> I was wondering if a patch enabling this device was ever released? >>> >>> http://lists.infradead.org/pipermail/openwrt-devel/2019-January/015556.html >>> >>> The wiki suggests one can only install/boot into OpenWRT by wiring up a >>> JTAG/serial interface and manually intervene... Which is far beyond my >>> comfort zone. >>> >>> Am very eagar to make use of this equipment, so any news would be really >>> appreciated. >>> >>> All the best, >>> Chris >>> >>> >>> _______________________________________________ >>> openwrt-devel mailing list >>> >>> openwrt-devel@lists.openwrt.org >>> https://lists.openwrt.org/mailman/listinfo/openwrt-devel >> _______________________________________________ >> openwrt-devel mailing list >> openwrt-devel@lists.openwrt.org >> https://lists.openwrt.org/mailman/listinfo/openwrt-devel > _______________________________________________ > openwrt-devel mailing list > openwrt-devel@lists.openwrt.org > https://lists.openwrt.org/mailman/listinfo/openwrt-devel _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
