APSR_Type联合体 参考

Union type to access the Application Program Status Register (APSR). 更多...

#include <core_cm3.h>

成员变量
struct {
uint32_t   _reserved0:27
uint32_t   Q:1
uint32_t   V:1
uint32_t   C:1
uint32_t   Z:1
uint32_t   N:1
}	b
uint32_t	w

详细描述

Union type to access the Application Program Status Register (APSR).

结构体成员变量说明

_reserved0

uint32_t _reserved0

bit: 0..26 Reserved

b

struct { ... } b

Structure used for bit access

C

uint32_t C

bit: 29 Carry condition code flag

N

uint32_t N

bit: 31 Negative condition code flag

Q

uint32_t Q

bit: 27 Saturation condition flag

V

uint32_t V

bit: 28 Overflow condition code flag

w

uint32_t w

Type used for word access

Z

uint32_t Z

bit: 30 Zero condition code flag

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该联合体的文档由以下文件生成:

• core_cm3.h