On 11/11/15 20:51, Alfred Perlstein wrote:
Hi,
The device is very special in that it uses an interrupt type of endpoint
for receiving the data.
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0084 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x003f
bInterval = 0x0002
bRefresh = 0x0000
bSynchAddress = 0x0000
In umodem.c you might want to change the USB matching filter to accept
interrupt endpoints:
[UMODEM_BULK_RD] = {
.type = UE_BULK, // change this to UE_BULK_INTR
.endpoint = UE_ADDR_ANY,
.direction = UE_DIR_RX,
This change will break other modem drivers, but at least it will give
some clues if it works or not.
--HPS
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