'\" t
.\" Title: modbus_rtu_set_rts_delay
.\" Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets vsnapshot
.\" Date: 10/15/2022
.\" Manual: libmodbus Manual
.\" Source: libmodbus v3.1.6
.\" Language: English
.\"
.TH "MODBUS_RTU_SET_RTS_D" "3" "10/15/2022" "libmodbus v3\&.1\&.6" "libmodbus Manual"
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.SH "NAME"
modbus_rtu_set_rts_delay \- set the RTS delay in RTU
.SH "SYNOPSIS"
.sp
\fBint modbus_rtu_set_rts_delay(modbus_t *\fR\fB\fIctx\fR\fR\fB, int \fR\fB\fIus\fR\fR\fB);\fR
.SH "DESCRIPTION"
.sp
The \fImodbus_rtu_set_rts_delay()\fR function shall set the Request To Send delay period of the libmodbus context \fIctx\fR\&.
.sp
This function can only be used with a context using a RTU backend\&.
.SH "RETURN VALUE"
.sp
The \fImodbus_rtu_set_rts_delay()\fR function shall return 0 if successful\&. Otherwise it shall return \-1 and set errno\&.
.SH "ERRORS"
.PP
\fBEINVAL\fR
.RS 4
The libmodbus backend is not RTU or a negative delay was specified\&.
.RE
.SH "SEE ALSO"
.sp
\fBmodbus_rtu_get_rts_delay\fR(3)
.SH "AUTHORS"
.sp
Jimmy Bergström
.sp
The libmodbus documentation was written by Stéphane Raimbault