libftdi-git Archives

Subject: A library to talk to FTDI chips branch, master, updated. v0.17-344-gabc3a51

From: libftdi-git@xxxxxxxxxxxxxxxxxxxxxxx
To: libftdi-git@xxxxxxxxxxxxxxxxxxxxxxx
Date: Thu, 23 Aug 2012 11:15:44 +0200 (CEST)
The branch, master has been updated
       via  abc3a514be2fa62824b54ea872e6a4176661c81c (commit)
      from  94053d914a22401610407221e9977a9deaf9788c (commit)


- Log -----------------------------------------------------------------
commit abc3a514be2fa62824b54ea872e6a4176661c81c
Author: Michel Zou <xantares09@xxxxxxxxxxx>
Date:   Thu Aug 23 11:14:59 2012 +0200

    python bindings: python3 support
    
    Whitespace fixes by Thomas Jarosch (detected by pylint and git)

-----------------------------------------------------------------------

Summary of changes:
 bindings/CMakeLists.txt     |    2 +-
 bindings/ftdi1.i            |   15 ++++++++++++-
 examples/python/complete.py |   46 ++++++++++++++++++++----------------------
 3 files changed, 36 insertions(+), 27 deletions(-)

diff --git a/bindings/CMakeLists.txt b/bindings/CMakeLists.txt
index 7abf655..606e44b 100644
--- a/bindings/CMakeLists.txt
+++ b/bindings/CMakeLists.txt
@@ -19,7 +19,7 @@ if(PYTHON_BINDINGS AND SWIG_FOUND AND PYTHONLIBS_FOUND AND 
PYTHONINTERP_FOUND)
         swig_link_libraries ( ftdi1 ${PYTHON_LIBRARIES} )
     endif ()
 
-    execute_process ( COMMAND ${PYTHON_EXECUTABLE} -c "import sys; print 
'%d.%d' % ( sys.version_info[0], sys.version_info[1] )"
+    execute_process ( COMMAND ${PYTHON_EXECUTABLE} -c "import sys; print( 
'%d.%d' % ( sys.version_info[0], sys.version_info[1] ) )"
                       OUTPUT_VARIABLE PYTHON_VERSION
                       OUTPUT_STRIP_TRAILING_WHITESPACE )
 
diff --git a/bindings/ftdi1.i b/bindings/ftdi1.i
index f26a334..952a383 100644
--- a/bindings/ftdi1.i
+++ b/bindings/ftdi1.i
@@ -2,6 +2,17 @@
 
 %module(docstring="Python interface to libftdi1") ftdi1
 
+%{
+#include "Python.h"
+
+inline PyObject* convertString( const char *v, Py_ssize_t len )
+#if PY_MAJOR_VERSION >= 3
+{ return PyUnicode_FromStringAndSize(v, len); }
+#else
+{ return PyString_FromStringAndSize(v, len); }
+#endif
+%}
+
 %include <typemaps.i>
 %include <cstring.i>
 
@@ -36,7 +47,7 @@
 %clear int mnf_len, int desc_len, int serial_len;
 
 %typemap(in,numinputs=1) (unsigned char *buf, int size) %{ $2 = 
PyInt_AsLong($input);$1 = (unsigned char*)malloc($2*sizeof(char)); %}
-%typemap(argout) (unsigned char *buf, int size) %{ if(result<0) $2=0; $result 
= SWIG_Python_AppendOutput($result, PyString_FromStringAndSize((char*)$1, $2)); 
free($1); %}
+%typemap(argout) (unsigned char *buf, int size) %{ if(result<0) $2=0; $result 
= SWIG_Python_AppendOutput($result, convertString((char*)$1, $2)); free($1); %}
     int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int 
size);
 %clear (unsigned char *buf, int size);
 
@@ -62,7 +73,7 @@
 %clear int* value;
 
 %typemap(in,numinputs=1) (unsigned char *buf, int size) %{ $2 = 
PyInt_AsLong($input);$1 = (unsigned char*)malloc($2*sizeof(char)); %}
-%typemap(argout) (unsigned char *buf, int size) %{ if(result<0) $2=0; $result 
= SWIG_Python_AppendOutput($result, PyString_FromStringAndSize((char*)$1, $2)); 
free($1); %}
+%typemap(argout) (unsigned char *buf, int size) %{ if(result<0) $2=0; $result 
= SWIG_Python_AppendOutput($result, convertString((char*)$1, $2)); free($1); %}
     int ftdi_get_eeprom_buf(struct ftdi_context *ftdi, unsigned char * buf, 
int size);
 %clear (unsigned char *buf, int size);
 
diff --git a/examples/python/complete.py b/examples/python/complete.py
index f1b737c..3a765c8 100644
--- a/examples/python/complete.py
+++ b/examples/python/complete.py
@@ -15,87 +15,85 @@ import time
 # initialize
 ftdic = ftdi.new()
 if ftdic == 0:
-  print 'new failed: %d', ret
-  os._exit( 1 )
-  
-  
+    print( 'new failed: %d', ret )
+    os._exit( 1 )
+
 # list all devices
 ret, devlist = ftdi.usb_find_all( ftdic, 0x0403, 0x6001 )
 if ret < 0:
-    print 'ftdi_usb_find_all failed: %d (%s)' % ( ret, ftdi.get_error_string( 
ftdic ) )
+    print( 'ftdi_usb_find_all failed: %d (%s)' % ( ret, ftdi.get_error_string( 
ftdic ) ) )
     os._exit( 1 )
-print 'Number of FTDI devices found: %d\n' % ret
+print( 'Number of FTDI devices found: %d\n' % ret )
 curnode = devlist
 i = 0
 while( curnode != None ):
     ret, manufacturer, description, serial = ftdi.usb_get_strings( ftdic, 
curnode.dev )
     if ret < 0:
-        print 'ftdi_usb_get_strings failed: %d (%s)' % ( ret, 
ftdi.get_error_string( ftdic ) )
+        print( 'ftdi_usb_get_strings failed: %d (%s)' % ( ret, 
ftdi.get_error_string( ftdic ) ) )
         os._exit( 1 )
-    print 'Device #%d: manufacturer="%s" description="%s" serial="%s"\n' % ( 
i, manufacturer, description, serial )
+    print( 'Device #%d: manufacturer="%s" description="%s" serial="%s"\n' % ( 
i, manufacturer, description, serial ) )
     curnode = curnode.next
     i += 1
 
 # open usb
 ret = ftdi.usb_open( ftdic, 0x0403, 0x6001 )
 if ret < 0:
-    print 'unable to open ftdi device: %d (%s)' % ( ret, 
ftdi.get_error_string( ftdic ) )
+    print( 'unable to open ftdi device: %d (%s)' % ( ret, 
ftdi.get_error_string( ftdic ) ) )
     os._exit( 1 )
 
 
 # bitbang
 ret = ftdi.set_bitmode( ftdic, 0xff, ftdi.BITMODE_BITBANG )
 if ret < 0:
-    print 'Cannot enable bitbang'
+    print( 'Cannot enable bitbang' )
     os._exit( 1 )
-print 'turning everything on'
+print( 'turning everything on' )
 ftdi.write_data( ftdic, chr(0xff), 1 )
 time.sleep( 1 )
-print 'turning everything off\n'
+print( 'turning everything off\n' )
 ftdi.write_data( ftdic, chr(0x00), 1 )
 time.sleep( 1 )
 for i in range( 8 ):
     val = 2**i
-    print 'enabling bit #%d (0x%02x)' % (i, val)
+    print( 'enabling bit #%d (0x%02x)' % (i, val) )
     ftdi.write_data( ftdic, chr(val), 1 )
     time.sleep ( 1 )
 ftdi.disable_bitbang( ftdic )
-print ''
+print( '\n' )
 
 
 # read pins
 ret, pins = ftdi.read_pins( ftdic )
-print 'pins:',
+print( 'pins:\n' )
 if ( ret == 0 ):
-    print '%02x' % ord( pins[0] )
-print ''    
+    print( '%02x' % ord( pins[0] ) )
+print( '\n' )
 
 
 # read chip id
 ret, chipid = ftdi.read_chipid( ftdic )
-print 'FDTI chip id: %X\n' % chipid
+print( 'FDTI chip id: %X\n' % chipid )
 
 
 # read eeprom
 eeprom_addr = 1
 ret, eeprom_val = ftdi.read_eeprom_location( ftdic, eeprom_addr )
 if (ret==0):
-    print 'eeprom @ %d: 0x%04x\n' % ( eeprom_addr, eeprom_val )
+    print( 'eeprom @ %d: 0x%04x\n' % ( eeprom_addr, eeprom_val ) )
 
-print 'complete eeprom:'
+print( 'complete eeprom:' )
 ret = ftdi.read_eeprom( ftdic )
 size = 128
 ret, eeprom = ftdi.get_eeprom_buf ( ftdic, size )
 if ( ret == 0 ):
     for i in range( size ):
-        print '%02x' % ord( eeprom[i] ),
+        print( '%02x' % ord( eeprom[i] ) )
         if ( i % 8 == 7 ):
-            print ''
+            print( '\n' )
 
-            
 # close usb
 ret = ftdi.usb_close( ftdic )
 if ret < 0:
-    print 'unable to close ftdi device: %d (%s)' % ( ret, 
ftdi.get_error_string( ftdic ) )
+    print( 'unable to close ftdi device: %d (%s)' % ( ret, 
ftdi.get_error_string( ftdic ) ) )
     os._exit( 1 )
 ftdi.free( ftdic )


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A library to talk to FTDI chips

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