Pepper-computer Modular Computers RS485 Manuel d'utilisateur télécharger pdf (Page 315)

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101

SMART I/O User’s Manual

Chapter 6 Communications Modules

6.2.12.5 SMSSISetCtrlReg

Syntax

error_code SMSSISetCtrlReg(u_int8 PortNr, long

CtrlReg1, long CtrlReg2, long CtrlReg3, u_int32

*pData);

Description

This function sets the internal register images of all 3 parts of the 24-bit

control register with values <> -1 and sends them to the SM-SSI. Simultane-

ously, the contents of the data register holding the last value is read back to

the address pointed to by pData.

Input

u_int8 PortNr SM-Port number to send register (0 to 10)

long CntrlReg1 Control register 1 value (0x0 -> 0xFF)

long CntrlReg2 Control register 2 value (0x0 -> 0xFF)

long CntrlReg3 Control register 3 value (0x0 -> 0xFF)

u_int32 *pData Pointer to the value returned from the data

Output

error_code SUCCESS

E_BMODE if the module is unknown

or standard OS-9 error code (refer to the OS-9

Technical Manual Error Codes Section).

Example

RetVal = SMSSISetCtrlReg(0, 0x80, 0x17, 0x1, &Data);

1 2 ... 310 311 312 313 314 315 316 317 318 319 320

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Pepper-computer Modular Computers RS485 Manuel d'utilisateur Page 315

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