Hi all, I tried to use bitwise operator without any success, here is my attempt: #define GROUP_0 0x00 #define CHILD_0 0x01 #define CHILD_1 0x02 #define GROUP_1 0x10 #define CHILD_2 0x11 #define CHILD_3 0x12 int state; some_function { state = GROUP_0; if ( state & 0xF0 == GROUP_0 ) return; /…

[SOLVED] Bitwise and Arduino

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