--- a/python/stm32.py	Wed Jul 31 21:20:58 2013 +0200
+++ b/python/stm32.py	Sun Aug 04 15:10:10 2013 +0200
@@ -27,6 +27,7 @@
    """
    def __init__(self, iface):
       super().__init__(iface)
+      self.logger = logging.getLogger('stm32')
 
    def __str__(self):
       return 'STM32F4 device size=0x{1:X} id=0x{0:X}'.format(\
@@ -85,21 +86,21 @@
       if address & 1 == 1:
          raise STLinkException('Unaligned flash')
       if len(content) & 1 == 1:
-         print('unaligned length, padding with zero')
+         self.logger.warning('unaligned length, padding with zero')
          content += bytes([0])
       if address & (pagesize - 1) != 0:
          raise STLinkException('Address not aligned with pagesize')
       # erase required space
       sectors = self.calcSectors(address, len(content))
-      print('erasing {0} sectors'.format(len(sectors)))
+      self.logger.info('erasing {0} sectors'.format(len(sectors)))
       for sector, secsize in sectors:
-         print('erasing sector {0} of {1} bytes'.format(sector, secsize))
+         self.logger.info('erasing sector {0} of {1} bytes'.format(sector, secsize))
          self.eraseFlashSector(sector)
       # program pages:
       self.unlockFlashIf()
       self.writeFlashCrPsiz(2) # writes are 32 bits aligned
       self.setFlashCrPg()
-      print('writing {0} bytes'.format(len(content)), end='')
+      self.logger.info('writing {0} bytes'.format(len(content)), end='')
       offset = 0
       t1 = time.time()
       while offset < len(content):