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bertmelis / esp32ModbusTCP

Modbus client for ESP32
MIT License
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Debug problem #7

Open ghost opened 5 years ago

ghost commented 5 years ago

Hello Bert, I'm triying to debug your example code. My modbus server is a Eastron ESP 2341 modbus TCP/RTU gateway. Debugging is hanging in this part of code. I can't find/do not understand why.

Do you have any idea?

Regards, Joop Hilverink

ModbusTCP

bertmelis commented 5 years ago

I haven't used the debugger yet and never inspected assembler (asm knowledge almost unexsting).

From your screen I don't know at which point of the program it halts.

ghost commented 5 years ago

Can you advice how to check where it is going wrong? slave 1 (SDM220) is showing activety on the screen. SDM220-1

This is the serial output:

--- Miniterm on COM8 115200,8,N,1 --- --- Quit: Ctrl+C | Menu: Ctrl+T | Help: Ctrl+T followed by Ctrl+H --- ets Jun 8 2016 00:22:57

rst:0x1 (POWERON_RESET),boot:0x17 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:2 load:0x3fff0018,len:4 load:0x3fff001c,len:928 ho 0 tail 12 room 4 load:0x40078000,len:8740 load:0x40080400,len:5800 entry 0x4008069c � Connecting to WiFi... WiFi connected. IP: 192.168.178.68

reading registers power: 0 energy: 0

bertmelis commented 5 years ago

You should build with debug enabled: add -DCORE_DEBUG_LEVEL=1 to your building script (set flags in platformio.ini?)

[env:esp32]
platform = espressif32 
board = lolin32
framework = arduino
lib_deps =
  ...
lib_extra_dirs =
  ...
build_flags =
  -Wall
  -DCORE_DEBUG_LEVEL=1
monitor_speed = 115200