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gCRU.c File Reference

Implements command/response for the CRU. More...

#include <string.h>
#include "GDAB/gCRU.h"
#include "GDAB/gDAB.h"
#include "gCRU_p.h"
#include "gDAB_p.h"

Functions
int	gCRUcmd (gdabHandle gdab, unsigned short opcode)
	Sends a dataless command to the CRU address.
int	gCRUload (gdabHandle gdab, unsigned short reg, unsigned int value)
	Loads a register with value.
int	gCRUread (gdabHandle gdab, unsigned short reg, unsigned int *val)
	Reads a register returing value in val.

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Detailed Description

Implements command/response for the CRU.

Author:

James Swain -- jswain@slac.stanford.edu

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Function Documentation

int gCRUcmd (  gdabHandle  gdab, unsigned short  opcode )

Sends a dataless command to the CRU address. Parameters: gdab  gdabHandle for CRU opcode  opcode of command to send Returns: G_OK on success Sends the dataless command specified by opcode to the CRU

int gCRUload (  gdabHandle  gdab, unsigned short  reg, unsigned int  value )

Loads a register with value. Parameters: gdab  gdabHandle for CRU reg  register of CRU to load value  32-bit value to load into CRU register Returns: G_OK on success Loads the CRU register specified by reg with value

int gCRUread (  gdabHandle  gdab, unsigned short  reg, unsigned int *  val )

Reads a register returing value in val. Parameters: gdab  gdabHandle for CRU reg  register of CRU to read val  pointer to storage to hold the response of the read command Returns: G_OK on success Reads the CRU register specified by reg. val is filled on return. The following error codes are returned when LATp errors occur: GERR_LATP_HEADER_PARITY GERR_LATP_CELL_PARITY GERR_LATP_TRUNCATE

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