On Windows, prefix port names with '\\.\' to work with ports above COM9.

[libserialport.git] / README

diff --git a/README b/README
index 6e3b480129b683e36104bf03609de245fc056eab..fefbef23ffd15c6ba3ab52005058b8bfb9f27c39 100644 (file)
--- a/README
+++ b/README
@@ -131,8 +131,8 @@ int sp_open(struct sp_port *port, int flags);
   flags:     Flags to use when opening the serial port. Possible
              flags are: SP_MODE_RDWR, SP_MODE_RDONLY, and SP_MODE_NONBLOCK.
 
- Returns: SP_OK on success, SP_ERR_FAIL on failure, or SP_ERR_ARG
-          if an invalid port is passed.
+ Returns: SP_OK on success, SP_ERR_FAIL on failure, SP_ERR_MEM on allocation
+          failure, or SP_ERR_ARG if an invalid port is passed.
 
 int sp_close(struct sp_port *port);