Nut/OS  5.0.5
API Reference
Data Fields
APSR_Type Union Reference
Status and Control Registers

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

#include <core_cm3.h>

Collaboration diagram for APSR_Type:
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Data Fields

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
struct {
   uint32_t   _reserved0:16
   uint32_t   GE:4
   uint32_t   _reserved1:7
   uint32_t   Q:1
   uint32_t   V:1
   uint32_t   C:1
   uint32_t   Z:1
   uint32_t   N:1
} b

Detailed Description

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

Field Documentation

uint32_t APSR_Type::_reserved0

bit: 0..26 Reserved

bit: 0..15 Reserved

uint32_t APSR_Type::Q

bit: 27 Saturation condition flag

uint32_t APSR_Type::V

bit: 28 Overflow condition code flag

uint32_t APSR_Type::C

bit: 29 Carry condition code flag

uint32_t APSR_Type::Z

bit: 30 Zero condition code flag

uint32_t APSR_Type::N

bit: 31 Negative condition code flag

struct { ... } APSR_Type::b

Structure used for bit access

uint32_t APSR_Type::w

Type used for word access

uint32_t APSR_Type::GE

bit: 16..19 Greater than or Equal flags

uint32_t APSR_Type::_reserved1

bit: 20..26 Reserved

struct { ... } APSR_Type::b

Structure used for bit access

The documentation for this union was generated from the following files: