No kidding! You should give him double his money back!

On March 6, 2015 4:31:15 PM CST, Scott Talbert <s...@techie.net> wrote:
>On Mon, 29 Dec 2014, Scott Talbert wrote:
>
>>>>> -        printf("  Serial Number: %s\n\t%s\n\t%s\n",
>get_serial(1),
>>>>> -               get_serial(2), get_serial(3));
>>>>> +        if (strlen(mh_get_serial()) != 0)
>>>>> +            printf("  Serial Number: %s\n", mh_get_serial());
>>>>> +        else
>>>>> +            printf("  Serial Number: %s\n\t%s\n\t%s\n",
>get_serial(1),
>>>>> +                   get_serial(2), get_serial(3));
>>>> 
>>>> How about:
>>>>
>>>>  if (is_mh_remote()) {
>>>> 
>>>> ?
>>> 
>>> Can't, because not all MH remotes use this weird serial number
>format.
>>> The earlier ones use the more traditional one.
>>> 
>>>>> +int mh_read_file(const char *filename, uint8_t *buffer, const
>uint32_t 
>>>>> buflen,
>>>>> +          uint32_t *data_read)
>>>> 
>>>> Is that 2 tabs and a space? We just nuked all our tabs! I think
>that 
>>>> should be
>>>> 17 spaces. :)
>>> 
>>> Ooops.  I don't know how that snuck in there.  I'll fix in the next
>>> version.
>>>
>>>>>      int err;
>>>>> -    if ((err = usb_set_configuration(h_hid, 1))) {
>>>>> -        debug("Failed to set device configuration: %d (%s)", err,
>>>>> -              usb_strerror());
>>>>> -        return err;
>>>>> -    }
>>>> 
>>>> Errrrr. I'm not sure 1 is always the default on every device. This
>change
>>>> terrifies me.
>>> 
>>> Heh.  I figured you might ask about this.  So, for one thing, this
>only
>>> affects the libusbhid code (which the person who was testing the
>Harmony
>>> Touch happened to be using).  HIDAPI doesn't ever call Set
>Configuration
>>> and we seem to be working fine there.  If it would make you feel
>better,
>>> maybe we can make a Get Configuration call first and then Set
>>> Configuration if it isn't 1.  Unfortunately, for the Touch (and
>probably
>>> also at least the Link), calling Set Configuration when the
>configuration
>>> is already set to 1 causes the device to reset.
>>>
>>>>>      uint8_t msg_ack[MH_MAX_PACKET_SIZE] =
>>>>> -        { 0xFF, 0x03, get_seq(seq), 0x02, 0x01, param, 0x01, 
>>>>> pkts_to_send };
>>>>> +        { 0xFF, 0x03, get_seq(seq), 0x02, 0x01, param, 0x01, 0x33
>};
>>>>> +    if (pkts_to_send < 0x33)
>>>>> +        msg_ack[7] = pkts_to_send;
>>>> 
>>>> I suppose it's the same, but this logic seems backwards to me. I
>would do
>>>> something like:
>>>>
>>>>     uint8_t msg_ack[MH_MAX_PACKET_SIZE] =
>>>>         { 0xFF, 0x03, get_seq(seq), 0x02, 0x01, param, 0x01,
>pkts_to_send 
>>>> };
>>>>     // cannot be > 0x33
>>>>     if (pkts_to_send > 0x33)
>>>>         msg_ack[7] = 0x33
>>>> 
>>>> Oh, I see why you did it the way you did - because of the ACK logic
>below. 
>>>> OK,
>>>> I don't actually care. In theory, if we are likely to send more
>than 50
>>>> packets in the common case, you should keep your logic, and if
>that's the
>>>> less-common scenario you should switch it - but again, I don't
>actually 
>>>> care,
>>>> just thinking out-loud.
>>> 
>>> Eh, it's hard to say whether we'll commonly send more or less than
>50
>>> packets.  I think probably in this use case, we'll send less, but I
>was
>>> thinking about another patch down the road to refactor the
>UpdateConfig
>>> code to use this code, and I think in that case, we'd probably be
>sending
>>>> 50 packets most of the time.  So, eh, I think I'll just leave this
>>> as-is.
>>> 
>>>>> -     * MH remotes do not support SetTime() operations, but we
>return
>>>>> +     * Some MH remotes do not support SetTime() operations, but
>we 
>>>>> return
>>>>>       * success because some higher level operations (for example,
>update
>>>>>       * configuration) call SetTime() and thus the whole operation
>would 
>>>>> be
>>>>>       * declared a failure, which we do not want.
>>>>>       */
>>>> 
>>>> For this patch / now, I'm fine with this, but I wonder if we should
>
>>>> instead
>>>> expose a _is_set_time_supported function that upper-level functions
>can 
>>>> call
>>>> to determine if this is a sensible thing to do.
>>>> 
>>>> By doing that, when a user asks to set time we can actually say
>"Sorry, 
>>>> your
>>>> device doesn't support that.
>>> 
>>> Yeah, that's probably not a bad idea for the future.
>>
>> Ping!  It's been a month...
>
>Are you ever going to review this?  Going 3+ months between patch
>reviews 
>is unacceptable.
>
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