Sun Microsystems S16A manual S16acancelcurrent, S16achecknextbuffer

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S16A User’s Guide

Input and Output

s16a_cancel

Description

Stops any transfers currently in progress, resets the ring buffer pointers to restart on the current buffer.

Syntax

int s16a_cancel(S16aDev *s16a_p);

Arguments

s16a_p

S16A device handle returned from s16a_open.

Return

0 on success, –1 on failure. Sets errno on failure.

s16a_cancel_current

Description

Stops the current transfers, resets the ring buffer pointers to the next buffer.

Syntax

int s16a_cancel(S16aDev *s16a_p);

Arguments

s16a_p

S16A device handle returned from s16a_open.

Return

0 on success, –1 on failure. Sets errno on failure.

s16a_check_next_buffer

Description

Checks whether the next buffer is complete.

Syntax

int s16a_check_next_buffer(S16aDev *s16a_p);

Arguments

s16a_p

S16A device handle returned from s16a_open.

Return

0 on success, –1 on failure. Sets errno on failure.

EDT, Inc. October, 1996

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Contents S16A EDT, Inc. October Contents Tables Overview Installing the Hardware InstallationInstalling the Software Using SunOS VersionS16A User’s Guide Installation Building the Sample Programs Using System V Release 4 Solaris 2.4 or LaterReadme Included FilesElements of S16A Applications Input and OutputRoutine Description DMA Library RoutinesGeneral DMA Library Routines S16A-specific Library Routines S16abufferaddressesSyntax ArgumentsS16acancelcurrent S16acancelS16achecknextbuffer S16aclose Arguments S16aconfigureringbuffersS16agetdaccontrolreg S16adoneS16agetdiodirectionreg S16agetdiodataregS16aopen S16agetoutputbitsS16aserialread S16areadS16aserialwrite S16aserialstrS16asetdaccontrolreg S16asetdefaultsS16asetdiodirectionreg S16asetdiodataregS16astartbuffers S16asetoutputbitsS16awaitforbuffer S16astopbuffersS16awrite S16awaitfornextbufferFoiparityerror Error ConditionsError Codes and Conditions Electrical Interface Hardware InterfaceSignal S16A I/O Description Interface SignalsS16A Interface Signals Pin Signal Connector PinoutConnector Pinout Registers S16A ROM SBus AddressesCurrent DMA Address Registers DMA RegistersNext DMA Address Registers Control and Next Count Registers Current Count RegistersDAC Output Control Register Direct I/O RegistersDIO Direction Register DIO Data RegisterDAC Output Control Register Analog Input Module Internal RegistersName Description Analog Input Module Internal RegistersInput Clock Prescale Registers Input Configuration RegistersInput Gain High Byte Values Trim RegistersTrim Register Use Trim Registers Trim Output Offset RegistersAnalog Input Module Uart Registers Temperature RegisterAnalog Input Module Control Protocol Trim Input Gain RegistersRead from an Input Configuration Register Write to an Input Configuration RegisterWrite to a Clock Prescale Register Read from a Clock Prescale RegisterRead the Temperature Register Uart Command/Status RegisterUart Command/Status Register Write to a Trim RegisterUart Data Register Xilinx Programming RegistersSpecifications References Contacting EDT 15-16 IndexConfiguration ROM