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[GH-ISSUE #303] Flashing fails, error message unclear #726

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opened 2026-03-20 18:12:16 +01:00 by sascha_hemi · 1 comment
sascha_hemi commented 2026-03-20 18:12:16 +01:00
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Originally created by @supaeasy on GitHub (Apr 21, 2024).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/303

Originally assigned to: @nlimper on GitHub.

Hello I am trying to flash a Solum ST-GR7500N using OpenEPaperLink_Mini_AP_v4 Firmware 2.52

This is the Layout

Connected points are (Device->Jig):

VBAT->3V3
RX_M->RXD
TX_M->TXD
RST_M->RSET
T_M->TEST
GND->GND

When trying to flash via command line I get the following results.

PS C:\Users\username\Downloads> python OEPL-Flasher.py -t 192.168.1.203 -f -n write SOL_M2_75_full_0028.bin
Using external port
Connected to 192.168.1.203:243
Connection with the flasher established. Version: 49
timeout waiting for reply
Traceback (most recent call last):
  File "C:\Users\username\Downloads\OEPL-Flasher.py", line 446, in <module>
    main()
  File "C:\Users\username\Downloads\OEPL-Flasher.py", line 379, in main
    cmd, answer = wait_for_command()
                  ^^^^^^^^^^^^^^^^^^
  File "C:\Users\username\Downloads\OEPL-Flasher.py", line 72, in wait_for_command
    return wait_for_command_tcp()
           ^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\username\Downloads\OEPL-Flasher.py", line 109, in wait_for_command_tcp
    if tcp_socket.recv(2) == b"AT":
       ^^^^^^^^^^^^^^^^^^
ConnectionResetError: [WinError 10054] Eine vorhandene Verbindung wurde vom Remotehost geschlossen

Any Idea what could be wrong? I might have soldered a bit too sloppy if that could be it...

Originally created by @supaeasy on GitHub (Apr 21, 2024). Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/303 Originally assigned to: @nlimper on GitHub. Hello I am trying to flash a Solum ST-GR7500N using OpenEPaperLink_Mini_AP_v4 Firmware 2.52 This is the [Layout](https://private-user-images.githubusercontent.com/2544995/255353640-648b75e1-7711-4033-b5d4-b8f5342731a8.JPEG?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.seTJv5ZlUaRICLB_g0uFwqOxuSIN_SfMoQTC9vX1Jn8) Connected points are (Device->Jig): VBAT->3V3 RX_M->RXD TX_M->TXD RST_M->RSET T_M->TEST GND->GND When trying to flash via command line I get the following results. ``` PS C:\Users\username\Downloads> python OEPL-Flasher.py -t 192.168.1.203 -f -n write SOL_M2_75_full_0028.bin Using external port Connected to 192.168.1.203:243 Connection with the flasher established. Version: 49 timeout waiting for reply Traceback (most recent call last): File "C:\Users\username\Downloads\OEPL-Flasher.py", line 446, in <module> main() File "C:\Users\username\Downloads\OEPL-Flasher.py", line 379, in main cmd, answer = wait_for_command() ^^^^^^^^^^^^^^^^^^ File "C:\Users\username\Downloads\OEPL-Flasher.py", line 72, in wait_for_command return wait_for_command_tcp() ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\username\Downloads\OEPL-Flasher.py", line 109, in wait_for_command_tcp if tcp_socket.recv(2) == b"AT": ^^^^^^^^^^^^^^^^^^ ConnectionResetError: [WinError 10054] Eine vorhandene Verbindung wurde vom Remotehost geschlossen ``` Any Idea what could be wrong? I might have soldered a bit too sloppy if that could be it...
sascha_hemi added the bug label 2026-03-20 18:12:16 +01:00
sascha_hemi commented 2026-03-20 18:12:17 +01:00
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@nlimper commented on GitHub (Oct 28, 2024):

You probably need to use the 88MZ100 method to flash, described here:
https://github.com/OpenEPaperLink/OpenEPaperLink/wiki/88MZ100-Programming-and-interfacing

<!-- gh-comment-id:2441318094 --> @nlimper commented on GitHub (Oct 28, 2024): You probably need to use the 88MZ100 method to flash, described here: https://github.com/OpenEPaperLink/OpenEPaperLink/wiki/88MZ100-Programming-and-interfacing
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