tusb_control_request_t::wLength field

TU_VERIFY(request->wLength <= sizeof(p_hid->ctrl_buf));

hid_device.c:314

tud_control_xfer(rhport, request, p_hid->ctrl_buf, request->wLength);

hid_device.c:315

uint16_t report_len = tu_min16(request->wLength, CFG_TUD_HID_EP_BUFSIZE);

hid_device.c:321

.wLength = 0

hid_host.c:203

_hidh_set_protocol()

(xfer->result == XFER_RESULT_SUCCESS) ? xfer->setup->wLength : 0);

hid_host.c:236

get_report_complete()

.wLength = len

hid_host.c:254

tuh_hid_get_report()

(xfer->result == XFER_RESULT_SUCCESS) ? xfer->setup->wLength : 0);

hid_host.c:280

set_report_complete()

.wLength = len

.wLength = 0

uint16_t const desc_len = tu_le16toh(xfer->setup->wLength);

hid_host.c:600

process_set_config()

.wLength = 0

hub.c:100

hub_port_clear_feature()

.wLength = 0

hub.c:132

hub_port_set_feature()

.wLength = 4

hub.c:164

hub_port_get_status()

.wLength = sizeof(descriptor_hub_desc_t)

.wLength = 1

((tusb_control_request_t const*) p_request)->wLength > sizeof(tusb_desc_device_t)) {

usbd.c:1072

mod_request.wLength = CFG_TUD_ENDPOINT0_SIZE;

usbd.c:1076

_ctrl_xfer.data_len = tu_min16(len, request->wLength);

usbd_control.c:115

tud_control_xfer()

if (request->wLength > 0U) {

usbd_control.c:117

tud_control_xfer()

if ((_ctrl_xfer.request.wLength == _ctrl_xfer.total_xferred) ||

usbd_control.c:191

usbd_control_xfer_cb()

if (request->wLength) {

usbh.c:715

TU_ASSERT( hcd_edpt_xfer(rhport, daddr, tu_edpt_addr(0, request->bmRequestType_bit.direction), _ctrl_xfer.buffer, request->wLength) );

usbh.c:718

if (request->wLength) {

usbh.c:724

tuh_descriptor_get_hid_report()

.wLength = tu_htole16(len)

usbh.c:995

_get_descriptor()

.wLength = len

usbh.c:1071

.wLength = 0

usbh.c:1097

tuh_configuration_set()

.wLength = 0

usbh.c:1123

tuh_interface_set()

.wLength = 0

usbh.c:1607

enum_request_set_addr()

Call Tree

All items filtered out

Data Use

tusb_control_request_t::wLength is written by 1 function and is read by 9 functions:

tusb_control_request_t::wLength

tud_control_xfer()

usbd_control_xfer_cb()