Hello,
[Maximum packet size issue]
>> diff --git a/src/ftdi.c b/src/ftdi.c
>> index d7f4bb0..26d08a4 100644
>> --- a/src/ftdi.c
>> +++ b/src/ftdi.c
>> @@ -1268,11 +1268,7 @@ int ftdi_read_data(struct ftdi_context *ftdi,
>> unsigned char *buf, int size)
>> int offset = 0, ret = 1, i, num_of_chunks, chunk_remains;
>> int packet_size;
>>
>> - // New hi-speed devices from FTDI use a packet size of 512 bytes
>> - if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H)
>> - packet_size = 512;
>> - else
>> - packet_size = 64;
>> + packet_size =
>> usb_device(ftdi->usb_dev)->config[0].interface[ftdi->interface].altsetting[0].endpoint[0].wMaxPacketSize;
>
> Like that, yes. I'd check for null pointers and array boundaries though,
> and apply the right mask to wMaxPacketSize ... just in case.
Please give the attached patch a try. Works fine on my FT245BM type chip.
Cheers,
Thomas
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0001-Determine-maximum-packet-size-via-usb-config-descrip.patch
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