Altera SoCAL  16.0
The Altera SoC Abstraction Layer (SoCAL) API Reference Manual
 All Data Structures Variables Typedefs Groups
Register : Register 457 (System Time - Higher Word Seconds Register) - System_Time_Higher_Word_Seconds

Description

System time higher word

Register Layout

Bits Access Reset Description
[15:0] RW 0x0 Timestamp Higher Word Register
[31:16] ??? 0x0 UNDEFINED

Field : Timestamp Higher Word Register - tshwr

This field contains the most significant 16-bits of the timestamp seconds value. The register is directly written to initialize the value. This register is incremented when there is an overflow from the 32-bits of the System Time - Seconds register.

Field Access Macros:

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_LSB   0
 
#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_MSB   15
 
#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_WIDTH   16
 
#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_SET_MSK   0x0000ffff
 
#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_CLR_MSK   0xffff0000
 
#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_RESET   0x0
 
#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_GET(value)   (((value) & 0x0000ffff) >> 0)
 
#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_SET(value)   (((value) << 0) & 0x0000ffff)
 

Data Structures

struct  ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_s
 

Macros

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_OFST   0x724
 
#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_ADDR(base)   ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_OFST))
 

Typedefs

typedef struct
ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_s 
ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_t
 

Data Structure Documentation

struct ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_s

WARNING: The C register and register group struct declarations are provided for convenience and illustrative purposes. They should, however, be used with caution as the C language standard provides no guarantees about the alignment or atomicity of device memory accesses. The recommended practice for writing hardware drivers is to use the SoCAL access macros and alt_read_word() and alt_write_word() functions.

The struct declaration for register ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS.

Data Fields
uint32_t tshwr: 16 Timestamp Higher Word Register
uint32_t __pad0__: 16 UNDEFINED

Macro Definitions

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_LSB   0

The Least Significant Bit (LSB) position of the ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR register field.

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_MSB   15

The Most Significant Bit (MSB) position of the ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR register field.

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_WIDTH   16

The width in bits of the ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR register field.

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_SET_MSK   0x0000ffff

The mask used to set the ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR register field value.

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_CLR_MSK   0xffff0000

The mask used to clear the ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR register field value.

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_RESET   0x0

The reset value of the ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR register field.

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_GET (   value)    (((value) & 0x0000ffff) >> 0)

Extracts the ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR field value from a register.

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR_SET (   value)    (((value) << 0) & 0x0000ffff)

Produces a ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_TSHWR register field value suitable for setting the register.

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_OFST   0x724

The byte offset of the ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS register from the beginning of the component.

#define ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_ADDR (   base)    ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS_OFST))

The address of the ALT_EMAC_GMAC_SYS_TIME_HIGHER_WORD_SECS register.

Typedef Documentation