pinMode input/output logic was reversed. Fixed #4

blemasle · Feb 19, 2019 · 346e14d · 346e14d
1 parent ebde707
commit 346e14d
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/library.properties b/library.properties
@@ -1,5 +1,5 @@
 name=MCP23017
-version=1.1.0
+version=1.1.1
 author=Bertrand Lemasle
 maintainer=Bertrand Lemasle
 sentence=MCP23017 I2C Port expander library.

diff --git a/src/MCP23017.cpp b/src/MCP23017.cpp
@@ -38,8 +38,8 @@ void MCP23017::pinMode(uint8_t pin, uint8_t mode)
 	}
 
 	iodir = readRegister(iodirreg);
-	if(mode == OUTPUT) iodir |= _BV(pin);
-	else iodir &= ~_BV(pin);
+	if(mode == OUTPUT) iodir &= ~_BV(pin);
+	else iodir |= _BV(pin);
 
 	writeRegister(iodirreg, iodir);
 }