diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/usb/gadget/f_dfu.c')
| -rw-r--r-- | qemu/roms/u-boot/drivers/usb/gadget/f_dfu.c | 822 |
1 files changed, 0 insertions, 822 deletions
diff --git a/qemu/roms/u-boot/drivers/usb/gadget/f_dfu.c b/qemu/roms/u-boot/drivers/usb/gadget/f_dfu.c deleted file mode 100644 index 1b1e1793d..000000000 --- a/qemu/roms/u-boot/drivers/usb/gadget/f_dfu.c +++ /dev/null @@ -1,822 +0,0 @@ -/* - * f_dfu.c -- Device Firmware Update USB function - * - * Copyright (C) 2012 Samsung Electronics - * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * Lukasz Majewski <l.majewski@samsung.com> - * - * Based on OpenMoko u-boot: drivers/usb/usbdfu.c - * (C) 2007 by OpenMoko, Inc. - * Author: Harald Welte <laforge@openmoko.org> - * - * based on existing SAM7DFU code from OpenPCD: - * (C) Copyright 2006 by Harald Welte <hwelte at hmw-consulting.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <errno.h> -#include <common.h> -#include <malloc.h> - -#include <linux/usb/ch9.h> -#include <linux/usb/gadget.h> -#include <linux/usb/composite.h> - -#include <dfu.h> -#include <g_dnl.h> -#include "f_dfu.h" - -struct f_dfu { - struct usb_function usb_function; - - struct usb_descriptor_header **function; - struct usb_string *strings; - - /* when configured, we have one config */ - u8 config; - u8 altsetting; - enum dfu_state dfu_state; - unsigned int dfu_status; - - /* Send/received block number is handy for data integrity check */ - int blk_seq_num; - unsigned int poll_timeout; -}; - -typedef int (*dfu_state_fn) (struct f_dfu *, - const struct usb_ctrlrequest *, - struct usb_gadget *, - struct usb_request *); - -static inline struct f_dfu *func_to_dfu(struct usb_function *f) -{ - return container_of(f, struct f_dfu, usb_function); -} - -static const struct dfu_function_descriptor dfu_func = { - .bLength = sizeof dfu_func, - .bDescriptorType = DFU_DT_FUNC, - .bmAttributes = DFU_BIT_WILL_DETACH | - DFU_BIT_MANIFESTATION_TOLERANT | - DFU_BIT_CAN_UPLOAD | - DFU_BIT_CAN_DNLOAD, - .wDetachTimeOut = 0, - .wTransferSize = DFU_USB_BUFSIZ, - .bcdDFUVersion = __constant_cpu_to_le16(0x0110), -}; - -static struct usb_interface_descriptor dfu_intf_runtime = { - .bLength = sizeof dfu_intf_runtime, - .bDescriptorType = USB_DT_INTERFACE, - .bNumEndpoints = 0, - .bInterfaceClass = USB_CLASS_APP_SPEC, - .bInterfaceSubClass = 1, - .bInterfaceProtocol = 1, - /* .iInterface = DYNAMIC */ -}; - -static struct usb_descriptor_header *dfu_runtime_descs[] = { - (struct usb_descriptor_header *) &dfu_intf_runtime, - NULL, -}; - -static const struct usb_qualifier_descriptor dev_qualifier = { - .bLength = sizeof dev_qualifier, - .bDescriptorType = USB_DT_DEVICE_QUALIFIER, - .bcdUSB = __constant_cpu_to_le16(0x0200), - .bDeviceClass = USB_CLASS_VENDOR_SPEC, - .bNumConfigurations = 1, -}; - -static const char dfu_name[] = "Device Firmware Upgrade"; - -/* - * static strings, in UTF-8 - * - * dfu_generic configuration - */ -static struct usb_string strings_dfu_generic[] = { - [0].s = dfu_name, - { } /* end of list */ -}; - -static struct usb_gadget_strings stringtab_dfu_generic = { - .language = 0x0409, /* en-us */ - .strings = strings_dfu_generic, -}; - -static struct usb_gadget_strings *dfu_generic_strings[] = { - &stringtab_dfu_generic, - NULL, -}; - -/* - * usb_function specific - */ -static struct usb_gadget_strings stringtab_dfu = { - .language = 0x0409, /* en-us */ - /* - * .strings - * - * assigned during initialization, - * depends on number of flash entities - * - */ -}; - -static struct usb_gadget_strings *dfu_strings[] = { - &stringtab_dfu, - NULL, -}; - -static void dfu_set_poll_timeout(struct dfu_status *dstat, unsigned int ms) -{ - /* - * The bwPollTimeout DFU_GETSTATUS request payload provides information - * about minimum time, in milliseconds, that the host should wait before - * sending a subsequent DFU_GETSTATUS request - * - * This permits the device to vary the delay depending on its need to - * erase or program the memory - * - */ - - unsigned char *p = (unsigned char *)&ms; - - if (!ms || (ms & ~DFU_POLL_TIMEOUT_MASK)) { - dstat->bwPollTimeout[0] = 0; - dstat->bwPollTimeout[1] = 0; - dstat->bwPollTimeout[2] = 0; - - return; - } - - dstat->bwPollTimeout[0] = *p++; - dstat->bwPollTimeout[1] = *p++; - dstat->bwPollTimeout[2] = *p; -} - -/*-------------------------------------------------------------------------*/ - -static void dnload_request_complete(struct usb_ep *ep, struct usb_request *req) -{ - struct f_dfu *f_dfu = req->context; - - dfu_write(dfu_get_entity(f_dfu->altsetting), req->buf, - req->length, f_dfu->blk_seq_num); -} - -static void dnload_request_flush(struct usb_ep *ep, struct usb_request *req) -{ - struct f_dfu *f_dfu = req->context; - - dfu_flush(dfu_get_entity(f_dfu->altsetting), req->buf, - req->length, f_dfu->blk_seq_num); -} - -static void handle_getstatus(struct usb_request *req) -{ - struct dfu_status *dstat = (struct dfu_status *)req->buf; - struct f_dfu *f_dfu = req->context; - - dfu_set_poll_timeout(dstat, 0); - - switch (f_dfu->dfu_state) { - case DFU_STATE_dfuDNLOAD_SYNC: - case DFU_STATE_dfuDNBUSY: - f_dfu->dfu_state = DFU_STATE_dfuDNLOAD_IDLE; - break; - case DFU_STATE_dfuMANIFEST_SYNC: - f_dfu->dfu_state = DFU_STATE_dfuMANIFEST; - break; - case DFU_STATE_dfuMANIFEST: - dfu_set_poll_timeout(dstat, DFU_MANIFEST_POLL_TIMEOUT); - default: - break; - } - - if (f_dfu->poll_timeout) - if (!(f_dfu->blk_seq_num % - (dfu_get_buf_size() / DFU_USB_BUFSIZ))) - dfu_set_poll_timeout(dstat, f_dfu->poll_timeout); - - /* send status response */ - dstat->bStatus = f_dfu->dfu_status; - dstat->bState = f_dfu->dfu_state; - dstat->iString = 0; -} - -static void handle_getstate(struct usb_request *req) -{ - struct f_dfu *f_dfu = req->context; - - ((u8 *)req->buf)[0] = f_dfu->dfu_state; - req->actual = sizeof(u8); -} - -static inline void to_dfu_mode(struct f_dfu *f_dfu) -{ - f_dfu->usb_function.strings = dfu_strings; - f_dfu->usb_function.hs_descriptors = f_dfu->function; - f_dfu->dfu_state = DFU_STATE_dfuIDLE; -} - -static inline void to_runtime_mode(struct f_dfu *f_dfu) -{ - f_dfu->usb_function.strings = NULL; - f_dfu->usb_function.hs_descriptors = dfu_runtime_descs; -} - -static int handle_upload(struct usb_request *req, u16 len) -{ - struct f_dfu *f_dfu = req->context; - - return dfu_read(dfu_get_entity(f_dfu->altsetting), req->buf, - req->length, f_dfu->blk_seq_num); -} - -static int handle_dnload(struct usb_gadget *gadget, u16 len) -{ - struct usb_composite_dev *cdev = get_gadget_data(gadget); - struct usb_request *req = cdev->req; - struct f_dfu *f_dfu = req->context; - - if (len == 0) - f_dfu->dfu_state = DFU_STATE_dfuMANIFEST_SYNC; - - req->complete = dnload_request_complete; - - return len; -} - -/*-------------------------------------------------------------------------*/ -/* DFU state machine */ -static int state_app_idle(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_GETSTATUS: - handle_getstatus(req); - value = RET_STAT_LEN; - break; - case USB_REQ_DFU_GETSTATE: - handle_getstate(req); - break; - case USB_REQ_DFU_DETACH: - f_dfu->dfu_state = DFU_STATE_appDETACH; - to_dfu_mode(f_dfu); - value = RET_ZLP; - break; - default: - value = RET_STALL; - break; - } - - return value; -} - -static int state_app_detach(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_GETSTATUS: - handle_getstatus(req); - value = RET_STAT_LEN; - break; - case USB_REQ_DFU_GETSTATE: - handle_getstate(req); - break; - default: - f_dfu->dfu_state = DFU_STATE_appIDLE; - value = RET_STALL; - break; - } - - return value; -} - -static int state_dfu_idle(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - u16 w_value = le16_to_cpu(ctrl->wValue); - u16 len = le16_to_cpu(ctrl->wLength); - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_DNLOAD: - if (len == 0) { - f_dfu->dfu_state = DFU_STATE_dfuERROR; - value = RET_STALL; - break; - } - f_dfu->dfu_state = DFU_STATE_dfuDNLOAD_SYNC; - f_dfu->blk_seq_num = w_value; - value = handle_dnload(gadget, len); - break; - case USB_REQ_DFU_UPLOAD: - f_dfu->dfu_state = DFU_STATE_dfuUPLOAD_IDLE; - f_dfu->blk_seq_num = 0; - value = handle_upload(req, len); - break; - case USB_REQ_DFU_ABORT: - /* no zlp? */ - value = RET_ZLP; - break; - case USB_REQ_DFU_GETSTATUS: - handle_getstatus(req); - value = RET_STAT_LEN; - break; - case USB_REQ_DFU_GETSTATE: - handle_getstate(req); - break; - case USB_REQ_DFU_DETACH: - /* - * Proprietary extension: 'detach' from idle mode and - * get back to runtime mode in case of USB Reset. As - * much as I dislike this, we just can't use every USB - * bus reset to switch back to runtime mode, since at - * least the Linux USB stack likes to send a number of - * resets in a row :( - */ - f_dfu->dfu_state = - DFU_STATE_dfuMANIFEST_WAIT_RST; - to_runtime_mode(f_dfu); - f_dfu->dfu_state = DFU_STATE_appIDLE; - - dfu_trigger_reset(); - break; - default: - f_dfu->dfu_state = DFU_STATE_dfuERROR; - value = RET_STALL; - break; - } - - return value; -} - -static int state_dfu_dnload_sync(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_GETSTATUS: - handle_getstatus(req); - value = RET_STAT_LEN; - break; - case USB_REQ_DFU_GETSTATE: - handle_getstate(req); - break; - default: - f_dfu->dfu_state = DFU_STATE_dfuERROR; - value = RET_STALL; - break; - } - - return value; -} - -static int state_dfu_dnbusy(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_GETSTATUS: - handle_getstatus(req); - value = RET_STAT_LEN; - break; - default: - f_dfu->dfu_state = DFU_STATE_dfuERROR; - value = RET_STALL; - break; - } - - return value; -} - -static int state_dfu_dnload_idle(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - u16 w_value = le16_to_cpu(ctrl->wValue); - u16 len = le16_to_cpu(ctrl->wLength); - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_DNLOAD: - f_dfu->dfu_state = DFU_STATE_dfuDNLOAD_SYNC; - f_dfu->blk_seq_num = w_value; - value = handle_dnload(gadget, len); - break; - case USB_REQ_DFU_ABORT: - f_dfu->dfu_state = DFU_STATE_dfuIDLE; - value = RET_ZLP; - break; - case USB_REQ_DFU_GETSTATUS: - handle_getstatus(req); - value = RET_STAT_LEN; - break; - case USB_REQ_DFU_GETSTATE: - handle_getstate(req); - break; - default: - f_dfu->dfu_state = DFU_STATE_dfuERROR; - value = RET_STALL; - break; - } - - return value; -} - -static int state_dfu_manifest_sync(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_GETSTATUS: - /* We're MainfestationTolerant */ - f_dfu->dfu_state = DFU_STATE_dfuMANIFEST; - handle_getstatus(req); - f_dfu->blk_seq_num = 0; - value = RET_STAT_LEN; - req->complete = dnload_request_flush; - break; - case USB_REQ_DFU_GETSTATE: - handle_getstate(req); - break; - default: - f_dfu->dfu_state = DFU_STATE_dfuERROR; - value = RET_STALL; - break; - } - - return value; -} - -static int state_dfu_manifest(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_GETSTATUS: - /* We're MainfestationTolerant */ - f_dfu->dfu_state = DFU_STATE_dfuIDLE; - handle_getstatus(req); - f_dfu->blk_seq_num = 0; - value = RET_STAT_LEN; - puts("DOWNLOAD ... OK\nCtrl+C to exit ...\n"); - break; - case USB_REQ_DFU_GETSTATE: - handle_getstate(req); - break; - default: - f_dfu->dfu_state = DFU_STATE_dfuERROR; - value = RET_STALL; - break; - } - return value; -} - -static int state_dfu_upload_idle(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - u16 w_value = le16_to_cpu(ctrl->wValue); - u16 len = le16_to_cpu(ctrl->wLength); - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_UPLOAD: - /* state transition if less data then requested */ - f_dfu->blk_seq_num = w_value; - value = handle_upload(req, len); - if (value >= 0 && value < len) - f_dfu->dfu_state = DFU_STATE_dfuIDLE; - break; - case USB_REQ_DFU_ABORT: - f_dfu->dfu_state = DFU_STATE_dfuIDLE; - /* no zlp? */ - value = RET_ZLP; - break; - case USB_REQ_DFU_GETSTATUS: - handle_getstatus(req); - value = RET_STAT_LEN; - break; - case USB_REQ_DFU_GETSTATE: - handle_getstate(req); - break; - default: - f_dfu->dfu_state = DFU_STATE_dfuERROR; - value = RET_STALL; - break; - } - - return value; -} - -static int state_dfu_error(struct f_dfu *f_dfu, - const struct usb_ctrlrequest *ctrl, - struct usb_gadget *gadget, - struct usb_request *req) -{ - int value = 0; - - switch (ctrl->bRequest) { - case USB_REQ_DFU_GETSTATUS: - handle_getstatus(req); - value = RET_STAT_LEN; - break; - case USB_REQ_DFU_GETSTATE: - handle_getstate(req); - break; - case USB_REQ_DFU_CLRSTATUS: - f_dfu->dfu_state = DFU_STATE_dfuIDLE; - f_dfu->dfu_status = DFU_STATUS_OK; - /* no zlp? */ - value = RET_ZLP; - break; - default: - f_dfu->dfu_state = DFU_STATE_dfuERROR; - value = RET_STALL; - break; - } - - return value; -} - -static dfu_state_fn dfu_state[] = { - state_app_idle, /* DFU_STATE_appIDLE */ - state_app_detach, /* DFU_STATE_appDETACH */ - state_dfu_idle, /* DFU_STATE_dfuIDLE */ - state_dfu_dnload_sync, /* DFU_STATE_dfuDNLOAD_SYNC */ - state_dfu_dnbusy, /* DFU_STATE_dfuDNBUSY */ - state_dfu_dnload_idle, /* DFU_STATE_dfuDNLOAD_IDLE */ - state_dfu_manifest_sync, /* DFU_STATE_dfuMANIFEST_SYNC */ - state_dfu_manifest, /* DFU_STATE_dfuMANIFEST */ - NULL, /* DFU_STATE_dfuMANIFEST_WAIT_RST */ - state_dfu_upload_idle, /* DFU_STATE_dfuUPLOAD_IDLE */ - state_dfu_error /* DFU_STATE_dfuERROR */ -}; - -static int -dfu_handle(struct usb_function *f, const struct usb_ctrlrequest *ctrl) -{ - struct usb_gadget *gadget = f->config->cdev->gadget; - struct usb_request *req = f->config->cdev->req; - struct f_dfu *f_dfu = f->config->cdev->req->context; - u16 len = le16_to_cpu(ctrl->wLength); - u16 w_value = le16_to_cpu(ctrl->wValue); - int value = 0; - u8 req_type = ctrl->bRequestType & USB_TYPE_MASK; - - debug("w_value: 0x%x len: 0x%x\n", w_value, len); - debug("req_type: 0x%x ctrl->bRequest: 0x%x f_dfu->dfu_state: 0x%x\n", - req_type, ctrl->bRequest, f_dfu->dfu_state); - - if (req_type == USB_TYPE_STANDARD) { - if (ctrl->bRequest == USB_REQ_GET_DESCRIPTOR && - (w_value >> 8) == DFU_DT_FUNC) { - value = min(len, (u16) sizeof(dfu_func)); - memcpy(req->buf, &dfu_func, value); - } - } else /* DFU specific request */ - value = dfu_state[f_dfu->dfu_state] (f_dfu, ctrl, gadget, req); - - if (value >= 0) { - req->length = value; - req->zero = value < len; - value = usb_ep_queue(gadget->ep0, req, 0); - if (value < 0) { - debug("ep_queue --> %d\n", value); - req->status = 0; - } - } - - return value; -} - -/*-------------------------------------------------------------------------*/ - -static int -dfu_prepare_strings(struct f_dfu *f_dfu, int n) -{ - struct dfu_entity *de = NULL; - int i = 0; - - f_dfu->strings = calloc(sizeof(struct usb_string), n + 1); - if (!f_dfu->strings) - goto enomem; - - for (i = 0; i < n; ++i) { - de = dfu_get_entity(i); - f_dfu->strings[i].s = de->name; - } - - f_dfu->strings[i].id = 0; - f_dfu->strings[i].s = NULL; - - return 0; - -enomem: - while (i) - f_dfu->strings[--i].s = NULL; - - free(f_dfu->strings); - - return -ENOMEM; -} - -static int dfu_prepare_function(struct f_dfu *f_dfu, int n) -{ - struct usb_interface_descriptor *d; - int i = 0; - - f_dfu->function = calloc(sizeof(struct usb_descriptor_header *), n + 1); - if (!f_dfu->function) - goto enomem; - - for (i = 0; i < n; ++i) { - d = calloc(sizeof(*d), 1); - if (!d) - goto enomem; - - d->bLength = sizeof(*d); - d->bDescriptorType = USB_DT_INTERFACE; - d->bAlternateSetting = i; - d->bNumEndpoints = 0; - d->bInterfaceClass = USB_CLASS_APP_SPEC; - d->bInterfaceSubClass = 1; - d->bInterfaceProtocol = 2; - - f_dfu->function[i] = (struct usb_descriptor_header *)d; - } - f_dfu->function[i] = NULL; - - return 0; - -enomem: - while (i) { - free(f_dfu->function[--i]); - f_dfu->function[i] = NULL; - } - free(f_dfu->function); - - return -ENOMEM; -} - -static int dfu_bind(struct usb_configuration *c, struct usb_function *f) -{ - struct usb_composite_dev *cdev = c->cdev; - struct f_dfu *f_dfu = func_to_dfu(f); - int alt_num = dfu_get_alt_number(); - int rv, id, i; - - id = usb_interface_id(c, f); - if (id < 0) - return id; - dfu_intf_runtime.bInterfaceNumber = id; - - f_dfu->dfu_state = DFU_STATE_appIDLE; - f_dfu->dfu_status = DFU_STATUS_OK; - - rv = dfu_prepare_function(f_dfu, alt_num); - if (rv) - goto error; - - rv = dfu_prepare_strings(f_dfu, alt_num); - if (rv) - goto error; - for (i = 0; i < alt_num; i++) { - id = usb_string_id(cdev); - if (id < 0) - return id; - f_dfu->strings[i].id = id; - ((struct usb_interface_descriptor *)f_dfu->function[i]) - ->iInterface = id; - } - - to_dfu_mode(f_dfu); - - stringtab_dfu.strings = f_dfu->strings; - - cdev->req->context = f_dfu; - -error: - return rv; -} - -static void dfu_unbind(struct usb_configuration *c, struct usb_function *f) -{ - struct f_dfu *f_dfu = func_to_dfu(f); - int alt_num = dfu_get_alt_number(); - int i; - - if (f_dfu->strings) { - i = alt_num; - while (i) - f_dfu->strings[--i].s = NULL; - - free(f_dfu->strings); - } - - if (f_dfu->function) { - i = alt_num; - while (i) { - free(f_dfu->function[--i]); - f_dfu->function[i] = NULL; - } - free(f_dfu->function); - } - - free(f_dfu); -} - -static int dfu_set_alt(struct usb_function *f, unsigned intf, unsigned alt) -{ - struct f_dfu *f_dfu = func_to_dfu(f); - - debug("%s: intf:%d alt:%d\n", __func__, intf, alt); - - f_dfu->altsetting = alt; - - return 0; -} - -/* TODO: is this really what we need here? */ -static void dfu_disable(struct usb_function *f) -{ - struct f_dfu *f_dfu = func_to_dfu(f); - if (f_dfu->config == 0) - return; - - debug("%s: reset config\n", __func__); - - f_dfu->config = 0; -} - -static int dfu_bind_config(struct usb_configuration *c) -{ - struct f_dfu *f_dfu; - int status; - - f_dfu = calloc(sizeof(*f_dfu), 1); - if (!f_dfu) - return -ENOMEM; - f_dfu->usb_function.name = "dfu"; - f_dfu->usb_function.hs_descriptors = dfu_runtime_descs; - f_dfu->usb_function.bind = dfu_bind; - f_dfu->usb_function.unbind = dfu_unbind; - f_dfu->usb_function.set_alt = dfu_set_alt; - f_dfu->usb_function.disable = dfu_disable; - f_dfu->usb_function.strings = dfu_generic_strings; - f_dfu->usb_function.setup = dfu_handle; - f_dfu->poll_timeout = DFU_DEFAULT_POLL_TIMEOUT; - - status = usb_add_function(c, &f_dfu->usb_function); - if (status) - free(f_dfu); - - return status; -} - -int dfu_add(struct usb_configuration *c) -{ - int id; - - id = usb_string_id(c->cdev); - if (id < 0) - return id; - strings_dfu_generic[0].id = id; - dfu_intf_runtime.iInterface = id; - - debug("%s: cdev: 0x%p gadget:0x%p gadget->ep0: 0x%p\n", __func__, - c->cdev, c->cdev->gadget, c->cdev->gadget->ep0); - - return dfu_bind_config(c); -} - -DECLARE_GADGET_BIND_CALLBACK(usb_dnl_dfu, dfu_add); |