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uphp:functions:fseropen [2017/03/27 15:36]
jeff
uphp:functions:fseropen [2021/09/13 05:57] (current)
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 ======fseropen====== ======fseropen======
 +
 <badge>WMPRO FW >= 1.0</badge> <badge>WMMEGA FW >= 2.0</badge> <badge>WMPRO FW >= 1.0</badge> <badge>WMMEGA FW >= 2.0</badge>
  
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 ====Description==== ====Description====
-<well size="sm"><html><span style="font-size:125%;color:green;">int + 
-<span style="color:black;"></html>[[fseropen]] +<well size="sm"><html> 
-<html>+<span style="font-size:125%;color:green">int 
-<span style="color:green;">int +<span style="color:black">fseropen ( 
-<span style="color:blue;">$baud +<span style="color:green">int 
-<span style="color:black;">[, +<span style="color:blue">$baud 
-<span style="color:green;">int +<span style="color:black">[, 
-<span style="color:blue;">$blocking +<span style="color:green">int 
-<span style="color:black;">[, +<span style="color:blue">$blocking 
-<span style="color:green;">int +<span style="color:black">[, 
-<span style="color:blue;">$invert +<span style="color:green">int 
-<span style="color:black;">[, +<span style="color:blue">$invert 
-<span style="color:green;">int +<span style="color:black">[, 
-<span style="color:blue;">$parity +<span style="color:green">int 
-<span style="color:black;">]]] )+<span style="color:blue">$parity 
 +<span style="color:black">]]] )
 </html></well> </html></well>
  
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 ====Parameters==== ====Parameters====
-<html><span style="color:blue;"><b>baud</b><span style="color:black;"></html>:  Rate in bits per second 
  
-<html><span style="color:blue;"><b>blocking</b><span style="color:black;"></html>:  Optional, if set to 1 read operations will block until data is available+<html><b><span style="color:blue">$baud<span style="color:black"></b></html>:  Rate in bits per second
  
-<html><span style="color:blue;"><b>invert</b><span style="color:black;"></html>:  Optional+<html><b><span style="color:blue">$blocking<span style="color:black"></b></html>:  Optional, if set to 1 read operations will block until data is available
  
-<html><span style="color:blue;"><b>parity</b><span style="color:black;"></html>:  Optional, 0 (even parity) or 1 (odd parity)+<html><b><span style="color:blue">$invert<span style="color:black"></b></html>:  Optional
  
-====Return Value==== +<html><b><span style="color:blue">$parity<span style="color:black"></b></html>:  Optional(even parityor 1 (odd parity)
-Upon success it returns a file handle which may be used together with the other file functions that require a handle such as [[fgets()]], [[fwrite()]][[fclose()]] and [[feof()]]+
  
-If the attempt to open the serial port fails it will return 0+====Return Values====
  
 +<html><b><span style="color:green">Integer<span style="color:black"></b></html>:  File handle, or 0 if the attempt to open the serial port fails
 +
 +The file handle may be used together with the other file functions that require a handle such as [[fgets()]], [[fwrite()]], [[fclose()]] and [[feof()]]
  
 ====Example==== ====Example====
-**Open the serial port at 115200 baud in non-blocking mode:**+ 
 +===Open the serial port at 115200 baud in non-blocking mode===
  
 <code php> <code php>
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 </code> </code>
  
-====See Also====+====Also See==== 
 [[how_tos:Serial Port Programming]] - Some information on connecting and using the serial ports [[how_tos:Serial Port Programming]] - Some information on connecting and using the serial ports
 +
 +[[fopen()]] - Open a file for reading or writing
  
 [[f485open()]] - Open the RS-485 port at the specified baud rate and parity [[f485open()]] - Open the RS-485 port at the specified baud rate and parity
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 [[fsockopen()]] - Open an internet socket connection with optional timeout [[fsockopen()]] - Open an internet socket connection with optional timeout
  
-[[fopen()]] - Open a file for reading or writing+[[fread()]] - Read bytes from a file, stream or socket
  
-[[fclose()]] - Close a file, stream or socket+[[fgets()]] - Return a single line from a file, stream or socket, with optional size limit
  
-[[feof()]] - Test if no more data is available in a file or stream+[[fwrite()]] - Write data to a filestream or socket
  
-[[fgets()]] - Return a single line from a file or stream, with optional size limit+[[feof()]] - Test if no more data is available in a file, stream or socket
  
-[[fread()]] - Return bytes from a file or stream+[[filesize()]] - Return the size of a fileor the number of unread bytes in a stream or socket
  
-[[fwrite()]] - Write data to a file or stream+[[fseek()]] - Position the file pointer in an open file 
 + 
 +[[ftell()]] - Return the current position of a file read/write pointer 
 + 
 +[[fclose()]] - Close a file, stream or socket
  
uphp/functions/fseropen.1490628995.txt.gz · Last modified: 2021/09/13 05:56 (external edit)