>>> import serial
>>> ser = serial.Serial('/dev/ttyS0', 2400, timeout= 10, bytesize=8, stopbits=1)
>>> a = ser.read(1)
>>> print a
^
>>> ser.close()
>>> type(a)
<type 'str'>
>>> int(a, 16)
Traceback (innermost last):
File "<stdin>", line 1, in ?
ValueError: invalid literal for int(): ^
so i run it again the same way, only reading 4 bytes this time.
>>> ser = serial.Serial('/dev/ttyS0', 2400, timeout= 10, bytesize=8, stopbits=1)
>>> a = ser.read(1)
>>> print a
^AÜÀ
>>> ser.close()
>>> type(a)
<type 'str'>
int(a, 16)
Traceback (innermost last):
File "<stdin>", line 1, in ?
ValueError: invalid literal for int(): ^AÜÀ
i dont understand what i am missing here.
the string character represents a hex character.
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