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Sun Microsystems S16A s16asetdiodatareg, s16asetdiodirectionreg, Description, Syntax, Arguments

Models: S16A

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Input and Output

S16A User’s Guide

s16a_set_dio_data_reg

Description

Write a specified value to the DIO Data register. Only the low 12 bits are significant; of these, bits that are configured as inputs are ignored when written.

Syntax

int s16a_set_dio_data_reg(S16aDev *s16a_p, int value);

Arguments
s16a_p	S16A device handle returned from s16a_open
value	Value to write to the DIO Data register.

Return

Returns 0 on success or –1 on failure. Fails if s16a_p does not refer to an output channel. Sets errno on failure.

s16a_set_dio_direction_reg

Description

Write a specified value to the DIO Direction register. The low 12 bits configure the corresponding DIO pins. If a bit is set, the DIO pin of the same number is configured as an output signal.

Syntax

int s16a_set_dio_direction_reg(S16aDev *s16a_p, int value);

Arguments
s16a_p	S16A device handle returned from s16a_open
value	Value to write to the DIO Direction register.

Return

Returns 0 on success or –1 on failure. Fails if s16a_p does not refer to an output channel. Sets errno on failure.

18	EDT, Inc. October, 1996

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Sun Microsystems S16A s16asetdiodatareg, s16asetdiodirectionreg, Description, Syntax, Arguments, s16ap, value, Return

Contents

S16A USER’S GUIDES16A User’s Guide Contents Tables Specifications OverviewInstallation Input and OutputInstalling the Software InstallationInstalling the Hardware Using SunOS Version4. Place the diskette that came with the S16A into the diskette drive make unload Using System V Release 4 Solaris 2.4 or LaterBuilding the Sample Programs volcheck pkgadd -d /floppy/floppy0 EDTs16aIncluded Files Input and Output Elements of S16A ApplicationsDescription DMA Library RoutinesRoutine Table 1. General DMA Library RoutinesDescription s16abufferaddressesRoutine Table 2. S16A-specific Library Routiness16achecknextbuffer s16acancels16acancelcurrent DescriptionSyntax s16acloseDescription int s16acloseS16aDev *s16apSyntax s16aconfigureringbuffersDescription ArgumentsDescription s16adones16agetdaccontrolreg SyntaxDescription s16agetdiodataregs16agetdiodirectionreg SyntaxDescription s16agetoutputbitss16aopen SyntaxDescription s16areads16aserialread SyntaxNull-terminated command string to send to the Analog Input Module s16aserialstrs16aserialwrite Number of characters in the command stringDescription s16asetdefaultss16asetdaccontrolreg SyntaxDescription s16asetdiodataregs16asetdiodirectionreg SyntaxDescription s16asetoutputbitss16astartbuffers SyntaxDescription s16astopbufferss16awaitforbuffer SyntaxDescription s16awaitfornextbuffers16awrite SyntaxError Code Error Conditionsfoiparityerror Error ConditionHardware Interface Electrical InterfaceTable 4. S16A Interface Signals Interface SignalsSignal S16A I/OSignal Connector PinoutThe S16A uses a 37-pin D connector, such as an AMP SignalRegisters SBus Addresses Figure 1. S16A SBus AddressesNext DMA Address Registers DMA RegistersCurrent DMA Address Registers DMA ChannelDescription Current Count RegistersControl and Next Count Registers Table 8. Next DMA Address RegistersDIO Direction Register Direct I/O RegistersDAC Output Control Register DIO Data RegisterDescription Analog Input Module Internal RegistersS16A Table 11. DAC Output Control RegisterValue hex Input Configuration RegistersInput Clock Prescale Registers DescriptionTable 14. Input Gain High Byte Values Trim RegistersDescription Trim RegisterAnalog Input Module Control Protocol Analog Input Module UART RegistersTemperature Register Trim Input Gain RegistersRead a 16-bit value from a Input Configuration register Write to an Input Configuration RegisterRead from an Input Configuration Register Number of the Input Configuration register to be written. 2 is inputWrite to a Trim Register UART Command/Status RegisterTable 16. UART Command/Status Register DnmmXilinx Programming Registers UART Data RegisterSBus Compliance SpecificationsPower SoftwareReferences cd /pub/s16a/4x Contacting EDTget README Index