diff options
| -rw-r--r-- | src/jtag/drivers/cmsis_dap_usb_bulk.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/jtag/drivers/cmsis_dap_usb_bulk.c b/src/jtag/drivers/cmsis_dap_usb_bulk.c index a738200..55b9a55 100644 --- a/src/jtag/drivers/cmsis_dap_usb_bulk.c +++ b/src/jtag/drivers/cmsis_dap_usb_bulk.c @@ -262,8 +262,10 @@ static int cmsis_dap_usb_open(struct cmsis_dap *dap, uint16_t vids[], uint16_t p /* If the interface is reliably identified * then we need not insist on setting USB class, subclass and protocol * exactly as the specification requires. + * Just filter out the well known classes, mainly CDC and MSC. * At least KitProg3 uses class 0 contrary to the specification */ - if (intf_identified_reliably) { + if (intf_identified_reliably && + (intf_desc->bInterfaceClass == 0 || intf_desc->bInterfaceClass > 0x12)) { LOG_WARNING("Using CMSIS-DAPv2 interface %d with wrong class %" PRId8 " subclass %" PRId8 " or protocol %" PRId8, interface_num, |