This is the source code of the mmdvm firmware that supports dstar, dmr. Despite an extensive search prior to august 2018, a proper source was not discovered until. Adding an oled display to a hotspot its pretty simple to add a. Indeed, it can manage the three digtal modes dstar,dmr and c4fm. Mmdvm hotspot supports dstar dmr ysf p25 nxdn pocsag, enables the different mode of digital two way radio to communicate with each other ysf2dmr ysf2nxdn ysf2p25 dmr2ysf dmr2nxdn and works great with uhf. Next you need to download a couple of bits of software to the rpi. Change the url so it points to adminexpert, you should only have to add. Sorry for the mixup on the ro and rw command lines. Howto update dvmega firmware without a programmer or an.
The mmdvm firmware supports the following digital modes. Uhf 433 900 mhz,vhf 144 220mhz opera freq support and tested with pistar. To update the firmware within pistar execute the following commands. Howto auto start mmdvmhost as a service on boot in. Connected to a windowsmaclinux computer and mmdvmbluedv software make a small and efficient multimode digital hotspot. The latest release of the mmdvm modem firmware and host software is capable of logging into a network and transmitting the data received. Earlier this year the mega team released a firmware update that allows the dvmega to operate as a dmr, dstar, or fusion hot spot using the mmdvm software. Second product family will be a range of ambe3000 based usb keys from 1 channel to 6 channels on a single usb key. How to make a mmdvm digital repeater n5amds digital. One of the latest crazes in the world of dmr radio is the chinese iteration of the dmr hotspot. Setting up the raspberry pi and mmdvm host software. Some of these have now been resolved, thanks to the work of andy ca6jau, making changes to his firmware.
This is for the chinese jumbo spot style generic mmdvm hotspots. It is a simple way to update the zumspot firmware, and pistar software. For all modes other than dmr and fm, the modem can be used in simplex or. The dv4mobile is another member of the successful family of dv4 products. This unit has several options, you can choose according to your needs, add the oled option, the upgrade slot and the oled has been welded. The multimode digital voice modem is a combined hardware and software. Mmdvm firmware compilation and uploading for mmdvmpi download. I am having problems with the transmit drive level. The firmware is preloaded and is easily upgraded via software. New dv4mini version with mmdvm dmr protocol and support for dv4miniambe. Configure guide for mmdvm repeater kit board linkerv3. Manual jumbo spot rtq mini mmdvm hotspot dmr radio. For anyone having issues with their duplex mmdvm hotspot, this is a just a quick post about using a duplex mmdvm hotspot in simplex mode. Edit the following for the operation matches the platinum mmdvm i realized pcb printed pcb designed by f5uii 07.
Paired with a raspberry pi and the mmdvm software becomes a small and efficient multimode digital hotspot. For details of all the available dt overlays, see the raspberry pi firmware overlay. Mmdvm multi mode digital voice modem project conceived spring 2015 and developed by jonathan g4klx and jim ki6zum all of the software, much of the firmware developed by jonathan hardware, much of the firmware developed by jim later firmware developed by andy cd6jau. The pistar software on the raspberry pi provides a control panel to configure internet data sources be they ysf,dmr or dstar that will be passed via the mmdvm board. The network interfacing part, that connects to the reflectors, talk group brandmeister or ysf reflector.
Howto update dv mega firmware without a programmer or an arduino. Mark has decided to retire so micronode will no longer be providing new product sales. Updating and upgrading pistar open in new tab regular. I just updated my zumspot using the script provided by pistar. I had huge problems with less than a microamp of dc leakage through a faulty dc blocking capacitor before i discovered it.
Yes me too, so it automatically keeps the information up to date no more autolink. The question then is if the mmdvm firmware supports the digital mode in use and requested by the pistar config. Here is the link to the git site to download the md380tools. All thats required for operation is a mini usb android phone s cablepower source and a wifi based internet connection. New dvmegas are preloaded with the correct firmware so this. Open then file mmdvmo by double click on the file from a windows explorer, the arduino editor will directly start click on config. Micronode will continue to honor and support current customers and products that are under warranty. Mmdvm stops at the same place as if it is not up for anything but dstar. Mmdvm buyers although the mmdvm dual fullduplex with separate transmit and receive radios is an opensource hardware design board, locating a board with the fullduplex opensource implementation, and especially a fullduplex implementation that is endorsed by the mmdvm developers, can be difficult. The host software is almost feature complete for dmr, with only a few additions to be made, and of course any bugs to be squashed. Im not positive but thats probably what will happen.
It supports all of the mmdvm features and works great on a headless hotspot. Building an mmdvm based quad mode digital and and svxlink analog repeater using a kenwood tkr850. Testing of this new image on both the zumspot and dvmega was very easy. Rasbian fully ipdated including kernel fixed for dirty cow fed up of of autolink to ref001 c failing when the ref system changes ip. Here is a video on the jumbospot running mmdvm pistar and how to set it up. Even with the tx pot full open and levels set to %100 in mmdvmcal, i cannot. If there are changes, please refer to added external inductor. The mmdvm software is a fabulous development realised by jonathan g4klx allowing to built a multimode digital hamradio repeater. Initially it will support dstar and dmr, with system fusion and p.
Mmdvm the latest release of the mmdvm modem firmware and. Due to the lack of digital mode repeaters around my home qth, i had been running mmdvm hotspots built around philips simoco prm80s on 2mx and philips fm92s on 70cm for around a year, with g4klx based dstar hotspots using soundcards or dvrptr boards for several years prior to that. Have you heard ham radio people talk about updating the firmware of the mmdvm boards and wonder, should you. My name is kevin and i am attempting to set up a dmr repeater using your mmdvm repeater kit board and a kenwood tkr850. This software is intended to be run on stm32f103 microcontroller. Mmdvm hotspot wifi configuration, call sign dmrid configuration, hotspot gpio definitions, some considerations used, and some extensions. The jumbo spot can do yaesu system fusion ysf, ysftodmr, dmr, dstar, p25 and nxdn. Pistar is a software image built initially for the raspberry pi produced by the raspberry pi foundation. Last night, i installed a different firmware for the hat on pistar and now the mmdvm is not responding at all. The design concept is simple, provide the complex services and configuration for digial voice on amateur radio in a way that makes it easily accessable to anyone just starting out, but make it configurable enough to be interesting for those of us who cant help but tinker. Software the board can be used with the following software. I have compiled a short video showing you, how to update the firmware of the jumdospot hotspot. There is a new version of the mmdvm software available.
Pistar firmware upgrade mmdvm hs hat flash the command has change in new versions of pistar, so steps are. The mmdvmrepeater board is a lot like a hotspot, except it doesnt have a radio built onboard. This software includes the routine to upload the full current dmr user database. When i first received my hotspot, i had a lot of problems getting it to work correctly. The mmdvm is a hardware and software component that can interface radios to a computer, like a raspberry pi, turning normal analog radios into digital radios, much like a tnc for packet radio. This firmware supports dstar, dmr, system fusion, p25 and nxdn digital voice modes and pocsag 1200 pager protocol. Mmdvm is an open source software project licensed under gpl v2, but with a note to say that it is intended for amateur and educational use only, with commercial use strictly forbidden. Mmdvm is an opensource multimode digital voice modem. Additional note by vk2amv, be very careful of dc leakage into buffer effecting op amp dc bias. Fully assembled and tested in a ruggedized aluminum enclosure. Using an arduino i was able to update the firmware on my chip and enable these new functions. Kenwood tkr850 multimode repeater vk4jlms ham radio.
Jumbo spot rtq is a completely selfcontained digital hotspot supporting dmr, dstar, p25 and system fusion communications. Suit for raspberry pi 3,raspberry pi zero w,windows pc,android. I can see everything on the pistar but the hat is completely inactive and the mmdvm is not showing on the dashboard. While you might install and uninstall software on your computer or smartphone on a regular basis, you might only rarely, if ever, update the firmware on a device and youd probably only do so if asked to by the manufacturer, probably to fix a. High performance 32bit arm processor zumspot board fully. This software package runs on my favorite os, the rpi. This software is licenced under the gpl v2 and is intended for amateur and. Mmdvm multi mode working well with the current dvmega 3.
Mmdvm simplex hotspot firmware upgrade how to do it youtube. Multimode digital voice the exciting new trend in dv. These hotspots are flooding the market and they work just fine, as a. This does seem possibly at odds with the gpl licence, but is likely to do with digital codec patents. Hope this video helps as the info i found was very misleading. The zum ambe board is using an original dvsi ambe chip. The jumbo spot rtq comes ready to run with pistar preloaded on an 8gb microsd card. Custom software and firmware provided by hardware vendor. Howto update dvmega firmware without a programmer or an arduino like like. Firmware is just a special kind of software that serves a very narrow purpose for a piece of hardware. Installation of necessary software only once if you are using pistar. A large number of fixes to the control admin pannels.
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