I recommend finding your own style you need to be aware when using straight values such as hex as it can make it code hard to read and fault find.d However the drawback of this style of creating code is that it greatly increases the programmer’s key types, it should be noted it is also acceptable to use hex values, this manual will tend to use the most appropriate method for the operation, for example it would be tedious to use bitwise operators to set all eight bits high, therefore this manual would use 0xFF. Left shift can be combined with bitwise OR operators to develop a bit mask of more than one bit.īit manipulation using bitwise operations is the easiest way to write embedded C programs using AVR-GCC as it provides a very easy to read and interpret format. When you are using shift bits to set your bytes you must start from one and then shift left one minus the bit number you would like to set. The most commonly used shift bit when working with embedded programming is the left shift. Shift bits can be used to create masks for use with the bitwise operators.
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