S16acancelcurrent, S16achecknextbuffer | Sun Microsystems S16A

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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Image 13

Sun Microsystems S16A manual S16acancelcurrent, S16achecknextbuffer

Contents

S16A EDT, Inc. October Contents Tables Overview Installing the Hardware InstallationInstalling the Software Using SunOS Version S16A User’s Guide Installation Building the Sample Programs Using System V Release 4 Solaris 2.4 or Later Readme Included Files Elements of S16A Applications Input and Output Routine Description DMA Library RoutinesGeneral DMA Library Routines S16A-specific Library Routines S16abufferaddressesSyntax Arguments S16acancelcurrent S16acancelS16achecknextbuffer S16aclose Arguments S16aconfigureringbuffers S16agetdaccontrolreg S16adone S16agetdiodirectionreg S16agetdiodatareg S16aopen S16agetoutputbits S16aserialread S16aread S16aserialwrite S16aserialstr S16asetdaccontrolreg S16asetdefaults S16asetdiodirectionreg S16asetdiodatareg S16astartbuffers S16asetoutputbits S16awaitforbuffer S16astopbuffers S16awrite S16awaitfornextbuffer Foiparityerror Error ConditionsError Codes and Conditions Electrical Interface Hardware Interface Signal S16A I/O Description Interface SignalsS16A Interface Signals Pin Signal Connector PinoutConnector Pinout Registers S16A ROM SBus Addresses Current DMA Address Registers DMA RegistersNext DMA Address Registers Control and Next Count Registers Current Count Registers DAC Output Control Register Direct I/O RegistersDIO Direction Register DIO Data Register DAC Output Control Register Analog Input Module Internal RegistersName Description Analog Input Module Internal Registers Input Clock Prescale Registers Input Configuration Registers Input Gain High Byte Values Trim RegistersTrim Register Use Trim Registers Trim Output Offset Registers Analog Input Module Uart Registers Temperature RegisterAnalog Input Module Control Protocol Trim Input Gain Registers Read from an Input Configuration Register Write to an Input Configuration RegisterWrite to a Clock Prescale Register Read from a Clock Prescale Register Read the Temperature Register Uart Command/Status RegisterUart Command/Status Register Write to a Trim Register Uart Data Register Xilinx Programming Registers Specifications References Contacting EDT 15-16 Index Configuration ROM