VS Arduino - VS2022 blinking buildin led

Oct 4^th, 2024 at 6:32pm (UTC)

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VS Arduino › › › VS2022 blinking buildin led

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VS2022 blinking buildin led (Read 869 times)

BeagleBot Junior Member Offline Posts: 19 Location: Netherlands Joined: Jul 8^th, 2015	VS2022 blinking buildin led Mar 3^rd, 2023 at 4:21pm	Print Post
	digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN)); this will give an green rimple line by !digitalRead(LED_BUILTIN)); and I have an message that I must use a "~" and not an "!" dut the ~ is not working


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Tim@Visual Micro Administrator Offline Posts: 12137 Location: United Kingdom Joined: Apr 10^th, 2010	Re: VS2022 blinking buildin led Reply #1 - Mar 3^rd, 2023 at 4:31pm	Print Post
	I suspect that is just intellisense a bit confused and that the ! will build okay? The older arduino avr cores were happy with a bool type comparison but other cores are not. The issue here is that, for some boards, the digitalRead() does not return a true or false bool, therefore ! is technically wrong. If you follow the guide in yellow above we will see what core you are using, then we can see how the digitalread() has been defined. It might be happier with != 0
	« Last Edit: Mar 3^rd, 2023 at 4:34pm by Tim@Visual Micro »

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