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Tsc_1x22_mafe_get_rs232, Tsc_1x22_mafe_set_rs232 – Maxim Integrated 73M1822/73M1922 Hardware Module for SMDK412 User Manual

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73M1822/73M1922 Hardware Module for SMDK412 User Guide

UG_1x22_054

10

Rev. 1.1

3.6.1 TSC_1X22_MAFE_GET_RS232

Description

Retrieves the current status of the RS232 RTS, DTS, CTR and DTR pins.

Prototype

int ioctl (

int fd,

int TSC_1X22_MAFE_GET_RS232,

void );


Parameters

Data Type

Name

Description

int

fd

Channel descriptor.

int

TSC_1X22_MAFE_GET_RS232 I/O control identifier for this operation.

void

NA


Return Values

Data Type

Description

unsigned char

See RS232 #defines.

3.6.2 TSC_1X22_MAFE_SET_RS232

Description

Sets the current status of the RS232 RTS, DTS, CTR and DTR pins and then returns the resulting status
via call to TSC_1X22_MAFE_GET_RS232.

Prototype

int ioctl (

int fd,

int TSC_1X22_MAFE_SET_RS232,

unsigned char RS232);


Parameters

Data Type

Name

Description

int

fd

Channel descriptor.

int

TSC_1X22_MAFE_SET_RS232 I/O control identifier for this operation.

unsigned char

RS232

Bits to set. See RS232 #defines.


Return Values

Data Type

Description

unsigned char

See TSC_1X22_MAFE_GET_RS232.