work out the struct format for a type

def mavfmt(field, typeInfo=False):
    '''work out the struct format for a type'''
    map = {
        'float'    : ('float', 'Float'),
        'double'   : ('double', 'Double'),
        'char'     : ('byte', 'Byte'),
        'int8_t'   : ('byte', 'Byte'),
        'uint8_t'  : ('short', 'UnsignedByte'),
        'uint8_t_mavlink_version'  : ('short', 'UnsignedByte'),
        'int16_t'  : ('short', 'Short'),
        'uint16_t' : ('int', 'UnsignedShort'),
        'int32_t'  : ('int', 'Int'),
        'uint32_t' : ('long', 'UnsignedInt'),
        'int64_t'  : ('long', 'Long'),
        'uint64_t' : ('long', 'UnsignedLong'),
    }
    
    if typeInfo:
        return map[field.type][1]
    else:
        return map[field.type][0]