blob: 5a2915691d93664c6010f13266b72185af89beb9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
function bytes = RPI_SerialDataAvail(fd)
// Function to get number of data bytes available on serial port specified by
// file descriptor
// Calling Sequence
// RPI_SerialDataAvail(fd)
//
// Parameters
// fd : file descriptor for already opened serial port
// Description
// This functions returns number of characters available to read,
// otherwise reads -1 in case of error. This function can be used to check
// new data is available on serial port
// Examples
// serial = RPI_SerialOpen("/dev/ttyAMA0", 9600);
// charsToRead = RPI_SerialDataAvail(serial);
// See also
// RPI_SerialOpen RPI_SerialGetChar
//
//
// Authors
// Siddhesh Wani
// -----------------------------------------------------------------
// This is curretly dummy function. It provides no functionality but is required
// for providing support for generating C code for RPi.
bytes = 0;
endfunction
|
