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Altera SoCAL
16.0
The Altera SoC Abstraction Layer (SoCAL) API Reference Manual
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Update system time
Register Layout
Bits | Access | Reset | Description |
---|---|---|---|
[30:0] | RW | 0x0 | Timestamp Sub Second |
[31] | RW | 0x0 | Add or subtract time |
Field : Timestamp Sub Second - tsss | |
The value in this field has the sub second representation of time, with an accuracy of 0.46 ns. When bit 9 (TSCTRLSSR) is set in Register 448 (Timestamp Control Register), each bit represents 1 ns and the programmed value should not exceed 0x3B9A_C9FF. Field Access Macros: | |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_LSB 0 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_MSB 30 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_WIDTH 31 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_SET_MSK 0x7fffffff |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_CLR_MSK 0x80000000 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_RESET 0x0 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_GET(value) (((value) & 0x7fffffff) >> 0) |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_SET(value) (((value) << 0) & 0x7fffffff) |
Data Structures | |
struct | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_s |
Macros | |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_OFST 0x714 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDR(base) ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_OFST)) |
Typedefs | |
typedef struct ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_s | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_t |
struct ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_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_NANOSECS_UPDATE.
Data Fields | ||
---|---|---|
uint32_t | tsss: 31 | Timestamp Sub Second |
uint32_t | addsub: 1 | Add or subtract time |
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_LSB 0 |
The Least Significant Bit (LSB) position of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS register field.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_MSB 30 |
The Most Significant Bit (MSB) position of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS register field.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_WIDTH 31 |
The width in bits of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS register field.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_SET_MSK 0x7fffffff |
The mask used to set the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS register field value.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_CLR_MSK 0x80000000 |
The mask used to clear the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS register field value.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_RESET 0x0 |
The reset value of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS register field.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_GET | ( | value | ) | (((value) & 0x7fffffff) >> 0) |
Extracts the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS field value from a register.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS_SET | ( | value | ) | (((value) << 0) & 0x7fffffff) |
Produces a ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_TSSS register field value suitable for setting the register.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_E_DISD 0x0 |
Enumerated value for register field ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB
Add Time Value from update reg
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_E_END 0x1 |
Enumerated value for register field ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB
Subtract Time Value of update reg
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_LSB 31 |
The Least Significant Bit (LSB) position of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB register field.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_MSB 31 |
The Most Significant Bit (MSB) position of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB register field.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_WIDTH 1 |
The width in bits of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB register field.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_SET_MSK 0x80000000 |
The mask used to set the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB register field value.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_CLR_MSK 0x7fffffff |
The mask used to clear the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB register field value.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_RESET 0x0 |
The reset value of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB register field.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_GET | ( | value | ) | (((value) & 0x80000000) >> 31) |
Extracts the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB field value from a register.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_SET | ( | value | ) | (((value) << 31) & 0x80000000) |
Produces a ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB register field value suitable for setting the register.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_OFST 0x714 |
The byte offset of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE register from the beginning of the component.
#define ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDR | ( | base | ) | ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_OFST)) |
The address of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE register.
The typedef declaration for register ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE.