Module: RS232::Win32

Extended by:
FFI::Library
Defined in:
lib/rs232.rb

Overview

wraps the native Windows API functions for file IO and COMM port found in kernel32.dll

Constant Summary collapse

GENERIC_READ =

consts from Windows seven sdk:

0x80000000
GENERIC_WRITE =

extract with

0x40000000
OPEN_EXISTING =

grep -i “generic_read” *.h

3
FILE_ATTRIBUTE_NORMAL =

from the /Include directory

0x00000080

Class Method Summary collapse

Class Method Details

.error_check ⇒ Object 



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# File 'lib/rs232.rb', line 116

def self.error_check
  self::GetLastError().tap{ |err| puts "error: %i | 0x%.8x" % [err,err] if err != 0 }
end

.error_code ⇒ Object 



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# File 'lib/rs232.rb', line 112

def self.error_code
  err = self::GetLastError()
  "error code: %i | 0x%.8x" % [err,err]
end