This function transfers a character string over the serial communication port for the specified number of bytes.
The port used is the last port opened using the ComOpen function.

Syntax

int putnstr(
  const unsigned char *string, 
  int len
);

Parameters

string
[in] string is a pointer to the string to transfer.
len
[in] Specifies the number of bytes to send.
The range of values is 0 to 32,767.

Return value

The function returns normally (OK) or an error (ERROR).
ValueDescription
OK Normal end
ERROR Abnormal end of transmission
(Including the case where the communication port is not open)

Remarks

A character string is sent from the serial port for the specified number of bytes.

Requirements

Header file:
lib.h
Library file:
libSTARTUPOPH5000.a

Last updated: 2020/10/07