编写单片机IO口驱动出现#61-D: integer operation result is out of range的原因

1 宏定义如下：#define nGPIO_MODE_HSET(m,p,n) SYS->GP##p##_MFPH =(SYS->GP##p##_MFPH & (~(1<<(4*(n-8))))); P##p##->MODE = (P##p##->MODE &(~( 3<<(n<<1))) | ( m<<(n<<1)))2 函数调用nGPIO_MODE_HSET(OUT_GPIO, ...