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/*
- shengliang.song November 11, 2013* In general, a 32 bit register has the following bits: {31, 30,...,i,..., 1, 0}.
* where i is zero based.
*
* If passing -O3 or -Os to ARM gcc,
* both solutions will generate the same ARM asm code.
* r0: num
* r1: i
* lsr.w r0, r0, r1
* and.w r0,r0,#1
* bx lr
*/
uint32_t getBit(uint32_t regValue, int i)
{
return (regValue >> i) & 1;
}