VS Arduino - esp8266 stray '\' in code

Dec 28^th, 2025 at 4:35am (UTC)

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VS Arduino › Visual Micro › General Board › esp8266 stray '\' in code

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esp8266 stray '\' in code (Read 2884 times)

Chris Molloy Junior Member Offline Posts: 54 Location: Ontario, Canada Joined: Dec 13^th, 2012	esp8266 stray '\' in code Mar 14^th, 2021 at 10:38pm	Print Post
	Using esp8266 Nodemcu. using EEPROM library. When I try to compile, I get the following: DustCollectorTimerV2.ino: 78:1: error: stray '\' in program int eeprom_run_time = EEPROM.read(0) Compiling the same code in the Arduino IDE does not get this error. in eeprom.cpp the debug statements all have'\' in them like: DEBUGV("EEPROMClass::read error, address %d > %d or %d < 0\n", address, _size, address);
	« Last Edit: Mar 14^th, 2021 at 10:47pm by Chris Molloy »

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Simon@Visual Micro Administrator Offline Posts: 2826 Joined: Feb 13^th, 2019	Re: esp8266 stray '\' in code Reply #1 - Mar 15^th, 2021 at 9:46am	Print Post
	Thanks for the report. Can you please attach the build output with the Show Build Properties, and Verbose settings enabled (as shown at the top of this page). If you can also email or attach the combined DustCollectorTimerV2.CPP file from the build directory so we can analyse this issue further?


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dominik Newbies Offline Posts: 5 Joined: Dec 24^th, 2012	Re: esp8266 stray '\' in code Reply #2 - Aug 28^th, 2021 at 7:24am	Print Post
	Hi ! Had the same issue ... My problem was a faulty file encoding. If you open the cpp file in Notepad++ look if the Encoding is UTF-8. In my case it was UTF-8-BOM which adds some special chars at the beginning of the file ... Maybe this is your problem, too ... Dominik


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