SERIAL_SendData
Synopsis
#include <serial.h> applies to all SERIAL_* functions
int SERIAL_SendData(int port,
unsigned char *buf,
int bufLen,
long timeout);
Description
SERIAL_SendData() function is used to send a character array over a serial port.
Parameters
|
Parameter |
Description |
|---|---|
port
|
Serial port number (0 based). Specify port 0 to redirect the output to the hsmtrace log. |
buf
|
Pointer to an array of bytes to be sent |
bufLen
|
Length of the buffer, in bytes |
timeout
|
Milliseconds to wait for a character to be sent. A timeout of -1 will use the default timeout. NOTE The timeout value refers to the total time taken to send the data. For example, a 2 millisecond timeout for sending 10 characters in 9600 baud setting will always fail – the timeout must be at least 10 milliseconds. |
Return Code
0: The characters were sent successfully.
-1: There was an error.
