test/Scripts/common_dump.py

   1 def dataToHex(d):
   2     """ Convert the raw data in 'd' to an hex string with a space every 4 bytes.
   3     """
   4     bytes = []
   5     for i,c in enumerate(d):
   6         byte = ord(c)
   7         hex_byte = hex(byte)[2:]
   8         if byte <= 0xf:
   9             hex_byte = '0' + hex_byte
  10         if i % 4 == 3:
  11             hex_byte += ' '
  12         bytes.append(hex_byte)
  13     return ''.join(bytes).strip()
  14
  15 def dataToHexUnified(d):
  16     """ Convert the raw data in 'd' to an hex string with a space every 4 bytes.
  17     Each 4byte number is prefixed with 0x for easy sed/rx
  18     Fixme: convert all MC tests to use this routine instead of the above
  19     """
  20     bytes = []
  21     for i,c in enumerate(d):
  22         byte = ord(c)
  23         hex_byte = hex(byte)[2:]
  24         if byte <= 0xf:
  25             hex_byte = '0' + hex_byte
  26         if i % 4 == 0:
  27             hex_byte = '0x' + hex_byte
  28         if i % 4 == 3:
  29             hex_byte += ' '
  30         bytes.append(hex_byte)
  31     return ''.join(bytes).strip()
  32
  33
  34 def HexDump(val, numBits=32):
  35     """
  36     1. do not print 'L'
  37     2. Handle negatives and large numbers by mod (2^numBits)
  38     3. print fixed length, prepend with zeros.
  39        Length is exactly 2+(numBits/4)
  40     4. Do print 0x Why?
  41        so that they can be easily distinguished using sed/rx
  42     """
  43     val = val & (( 1 << numBits) - 1)
  44     newFmt = "0x%0" + "%d" % (numBits / 4) + "x"
  45     return newFmt % val
  46