tag:blogger.com,1999:blog-8028807101508345475.post2151779446977211501..comments2022-04-09T11:26:39.971+03:00Comments on RCmontis: Restoring bricked Eachine ProDVR after firmware updateMontishttp://www.blogger.com/profile/03428618658786182002noreply@blogger.comBlogger26125tag:blogger.com,1999:blog-8028807101508345475.post-5517214097127416662021-05-24T14:50:35.468+03:002021-05-24T14:50:35.468+03:00Hello. Could this work to unlock eachine ev300d...Hello. Could this work to unlock eachine ev300d's onboard DVR?RNXTOhttps://www.blogger.com/profile/18048704399025162176noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-29355929444536238632020-03-29T19:22:43.497+03:002020-03-29T19:22:43.497+03:00Hi,montis ,thank you for your post , but I had a p...Hi,montis ,thank you for your post , but I had a problom when I was trying to save my eachineprodvr . When I was following your instructions and everything went fine till <br /> the last step => erase/write . It came out the lines : Calibrating delay loop... OK.<br />serprog: Programmer name is "frser-duino"<br />Found Macronix flash chip "MX25L1605" (2048 kB, SPI) on serprog.<br />Reading old flash chip contents... done.<br />Erasing and writing flash chip... FAILED at 0x00001000! Expected=0xff, Found=0x2<br />b, failed byte count from 0x00000000-0x0000ffff: 0xed13<br />ERASE FAILED!<br />Reading current flash chip contents... done.<br /><br />Is there something I've done wrong ? Could you tell me what should I do ? thanks for your helping!LinHuanghttps://www.blogger.com/profile/01592573216700930072noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-31892285701916091392020-03-29T08:21:33.708+03:002020-03-29T08:21:33.708+03:00This comment has been removed by the author.LinHuanghttps://www.blogger.com/profile/01592573216700930072noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-61971693541900551552019-03-28T16:23:28.028+02:002019-03-28T16:23:28.028+02:00I am sorry,but I don't understand where can I ...I am sorry,but I don't understand where can I put the commandline and see the output?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-2135276964688613952017-12-01T18:11:09.126+02:002017-12-01T18:11:09.126+02:00Thank you Montis, I've posted a post on RCGrou...Thank you Montis, I've posted a post on RCGroups.Anonymoushttps://www.blogger.com/profile/06332682014985124851noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-63803743607311002642017-12-01T16:15:14.420+02:002017-12-01T16:15:14.420+02:00Most probably you have connected something wrong. ...Most probably you have connected something wrong. We need to see the photos of your wiring. Could you upload some photos, how you have wired everything up? <br />You could also post the issue on the RCGroups thread: https://www.rcgroups.com/forums/showthread.php?2682952-Eachine-ProDVR-Mini-Video-Audio-Recorder-incredible-price - I'm active there also.Montishttps://www.blogger.com/profile/03428618658786182002noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-8826037157854111862017-12-01T16:14:51.256+02:002017-12-01T16:14:51.256+02:00This comment has been removed by the author.Montishttps://www.blogger.com/profile/03428618658786182002noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-34074468442455460842017-12-01T15:35:54.980+02:002017-12-01T15:35:54.980+02:00Hi Montis,
If you can help me.
I am using Ardu nan...Hi Montis,<br />If you can help me.<br />I am using Ardu nano V3 which has USB and 3.3V pin so I don't have to use additional USB-TTL converter.<br />I've uploaded fser-duino.hex successfully on Ardu nano.<br />Ardu nano is recognised as a COM port but when i connect pins from DVR chip to ardu nano it's not recognised as a COM port any more but as Unknown device.<br />So I can't flash new FW as you can imagine.<br />Do you have any idea what is causing this?Anonymoushttps://www.blogger.com/profile/06332682014985124851noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-49927516243573819682017-09-01T03:34:18.582+03:002017-09-01T03:34:18.582+03:00Ch341A costs under 3 dollars so why not to try? Al...Ch341A costs under 3 dollars so why not to try? Also software looks more user friendly and its support 128mbit flash from my DVR.<br /><br /> Second think i have HMDVR HD which is totally different DVR with 128mbit memory(dont remember number right now) and only firmware which i have is update file. I hope that update process Is so oldschool that it writes byte after byte direcly to flash memory without processing it.patryk Kiermashttps://www.blogger.com/profile/07687505646619429068noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-2003918867997599582017-08-31T16:12:48.113+03:002017-08-31T16:12:48.113+03:00Patryk, you can use arduino instead of the dedicat...Patryk, you can use arduino instead of the dedicated serial memory flasher. HMDVR and Eachine ProDVR are the same hardware (well, almost). Both devices use the same firmware.<br />Good tip about waiting decent extra time after flashing. I always wait extra minute and never had a problem in bricking the DVR again.Montishttps://www.blogger.com/profile/03428618658786182002noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-86995701380623751062017-08-31T16:04:25.780+03:002017-08-31T16:04:25.780+03:00I think so, because i didn't have fpv googles ...I think so, because i didn't have fpv googles that time and i couldn't start recording. If You buy this this DVR and gonna upgrade firmware, wait couple minutes even after process is done.<br />Right now I'm waiting for flasher from ebay. I hope that writing firmware directly to flash memory will recorver my DVR.patryk Kiermashttps://www.blogger.com/profile/07687505646619429068noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-17996912217715808822017-08-27T05:01:52.687+03:002017-08-27T05:01:52.687+03:00Hi, patryck
(We are talking about the DVR that has...Hi, patryck<br />(We are talking about the DVR that has camera attached, right ?)<br />Did you try to flash the lastest file on banggood (to remove 1min auto save) and got yours bricked ?<br />I'm also interested in this DVRAnonymoushttps://www.blogger.com/profile/13334154743808234290noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-77871204217688548722017-08-15T22:40:58.313+03:002017-08-15T22:40:58.313+03:00HI,
Do you have maybe flash for newer HMDVR HD? I ...HI,<br />Do you have maybe flash for newer HMDVR HD? I think mine is bricked, but i couldn't find any topic about problems with this DVR. Mayby there is option to recorver FLASH memory from update file?patryk Kiermashttps://www.blogger.com/profile/07687505646619429068noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-5408392690367234772017-08-08T14:33:24.004+03:002017-08-08T14:33:24.004+03:00How can I use Flashrom, I can not start it
Please ...How can I use Flashrom, I can not start it<br />Please help meAnonymoushttps://www.blogger.com/profile/09268751647903444134noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-54182752077541892522017-03-25T17:09:30.763+02:002017-03-25T17:09:30.763+02:00solved, it was the cabling. Now i'm stuck at e...solved, it was the cabling. Now i'm stuck at erasing and writing though. It's been like an hour. is it normal?lorenzohttps://www.blogger.com/profile/12032136678749389511noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-88465296553876353132017-03-25T14:31:45.786+02:002017-03-25T14:31:45.786+02:00I'm stuck at the first command:
mingw32-w64-f...I'm stuck at the first command: <br />mingw32-w64-flashrom-r1781.exe --programmer serprog:dev=COM4:115200 -c MX25L1605 --read test.hex<br /><br />i get -> no eeprom/flash device found. I'm using an arduino UNO, should i change something else other than the serial port?lorenzohttps://www.blogger.com/profile/12032136678749389511noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-59091488705063862092017-03-22T18:07:53.896+02:002017-03-22T18:07:53.896+02:00Reading takes a while, a couple of minutes if I re...Reading takes a while, a couple of minutes if I recall correctly.Montishttps://www.blogger.com/profile/03428618658786182002noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-70476185755964366872017-03-22T17:53:23.306+02:002017-03-22T17:53:23.306+02:00How long does the reading take? Flashrom always se...How long does the reading take? Flashrom always seems to get stuck at "Reading flash..." But great tutorial so farAnonymoushttps://www.blogger.com/profile/11475865071061265442noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-58924063650969114912017-03-22T14:49:52.449+02:002017-03-22T14:49:52.449+02:00Good to know! Thanks for info. I will correct my p...Good to know! Thanks for info. I will correct my previous reply - You can use almost any Arduino with an Atmega328 chip. Firmware (frser-duino.hex) was compiled for Atmega328.Montishttps://www.blogger.com/profile/03428618658786182002noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-30516545318192303052017-03-22T14:26:30.980+02:002017-03-22T14:26:30.980+02:00thanks montis. I think that the problem was that w...thanks montis. I think that the problem was that when the article was posted XLoader didn't suppoort arduino one, only nano/mini. But On XLoaeder website i've seen that now it supports arduino one too.lorenzohttps://www.blogger.com/profile/12032136678749389511noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-16683014617342004512017-03-22T14:24:23.452+02:002017-03-22T14:24:23.452+02:00You can use any Arduino, just have in mind that yo...You can use any Arduino, just have in mind that you need to supply 3.3V power to the EEPROM chip and in theory signal lines should not exceed 3.3V. Montishttps://www.blogger.com/profile/03428618658786182002noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-52615762635418648162017-03-22T13:58:26.702+02:002017-03-22T13:58:26.702+02:00why using an arduino mini/nano? can i use an ardui...why using an arduino mini/nano? can i use an arduino 1?lorenzohttps://www.blogger.com/profile/12032136678749389511noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-71434167372824242552017-02-22T13:14:57.239+02:002017-02-22T13:14:57.239+02:00Cheers! I'm happy that it helped!Cheers! I'm happy that it helped!Montishttps://www.blogger.com/profile/03428618658786182002noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-64850294821862435642017-02-22T13:05:14.820+02:002017-02-22T13:05:14.820+02:00Thanks for this article, you saved my ProDVR. I...Thanks for this article, you saved my ProDVR. I've done the flashing under macOS and shared the commands/details here https://ledrone.club/2017/02/22/debriquer-le-module-eachine-prodvr/ (in Fr but commands and outputs self explanatory :))<br />Anonymoushttps://www.blogger.com/profile/16009627453589139814noreply@blogger.comtag:blogger.com,1999:blog-8028807101508345475.post-72445677547475359052017-01-02T09:17:06.244+02:002017-01-02T09:17:06.244+02:00Yes, you can! HMDVR and Eachine ProDVR are hardwar...Yes, you can! HMDVR and Eachine ProDVR are hardware compatible, software is the same and the procedures for restoring bricked DVR are the same. One RCG user has reported sucessfully restoring of bricked HMDVR with this method.Montishttps://www.blogger.com/profile/03428618658786182002noreply@blogger.com