//执行NEW_CCMR1.OC1FE=1;，OC1FE位还是0?

只看该作者 · 2018-1-9 14:28

//下面是头文件中的内容。
#ifdef __IAR_SYSTEMS_ICC__
typedef struct
{
  unsigned char CC1S       : 2;
  unsigned char OC1FE    : 1;
  unsigned char OC1PE    : 1;
  unsigned char OC1M       : 3;
  unsigned char OC1CE    : 1;
} __BITS_TIM1_CCMR1;
#endif
__IO_REG8_BIT(TIM1_CCMR1,  0x5258, __READ_WRITE, __BITS_TIM1_CCMR1);

//自己写的程序。
__BITS_TIM1_CCMR1 NEW_CCMR1;
NEW_CCMR1.OC1FE=1;  //执行完这句，OC1FE位还是0；直接操作TIM1_CCMR1=0X04，OC1FE 会变1。