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MSP430 __no_operation()



看到一个别人写的程序,在主程序中:

while (1)
{
__bis_SR_register(LPM3_bits);
__no_operation();

switch(flag)

{……}

}

请问一下,__no_operation();执行后,switch还被执行吗?这个程序有没有问题?