#define GET_BIT(x, bit) ((x & (1 << bit)) >> bit)//提取第bit位(二进制数)
uint8_t a = 0b10101010100
uint8_t b = GET_BIT(a,2);//提取a这个变量的第2个值
b = 1
#define GET_BIT(x, bit) ((x & (1 << bit)) >> bit)//提取第bit位(二进制数)
uint8_t a = 0b10101010100
uint8_t b = GET_BIT(a,2);//提取a这个变量的第2个值
b = 1