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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) |
Field : Add or subtract time - addsub | |
When this bit is set, the time value is subtracted with the contents of the update register. When this bit is reset, the time value is added with the contents of the update register. Field Enumeration Values: Enum | Value | Description :----------------------------------------------------------------------------------------------------------------—|:---—|:---------— ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_E_DISD | 0x0 | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_E_END | 0x1 | Field Access Macros: | |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_E_DISD 0x0 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_E_END 0x1 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_LSB 31 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_MSB 31 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_WIDTH 1 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_SET_MSK 0x80000000 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_CLR_MSK 0x7fffffff |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_RESET 0x0 |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_GET(value) (((value) & 0x80000000) >> 31) |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_ADDSUB_SET(value) (((value) << 31) & 0x80000000) |
Data Structures | |
struct | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_s |
Macros | |
#define | ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE_RESET 0x00000000 |
#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
#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
#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_RESET 0x00000000 |
The reset value of the ALT_EMAC_GMAC_SYS_TIME_NANOSECS_UPDATE 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.