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usb: device_next: add device configuration change notification #76264

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Merged
merged 1 commit into from
Aug 16, 2024
Merged

usb: device_next: add device configuration change notification #76264

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3 changes: 3 additions & 0 deletions include/zephyr/usb/usbd_msg.h
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,8 @@ enum usbd_msg_type {
USBD_MSG_SUSPEND,
/** Bus reset detected */
USBD_MSG_RESET,
/** Device changed configuration */
USBD_MSG_CONFIGURATION,
/** Non-correctable UDC error message */
USBD_MSG_UDC_ERROR,
/** Unrecoverable device stack error message */
Expand All @@ -61,6 +63,7 @@ static const char *const usbd_msg_type_list[] = {
"Device resumed",
"Device suspended",
"Bus reset",
"New device configuration",
"Controller error",
"Stack error",
"CDC ACM line coding",
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4 changes: 4 additions & 0 deletions samples/subsys/usb/hid-keyboard/src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,10 @@ static void msg_cb(struct usbd_context *const usbd_ctx,
{
LOG_INF("USBD message: %s", usbd_msg_type_string(msg->type));

if (msg->type == USBD_MSG_CONFIGURATION) {
LOG_INF("\tConfiguration value %d", msg->status);
}

if (usbd_can_detect_vbus(usbd_ctx)) {
if (msg->type == USBD_MSG_VBUS_READY) {
if (usbd_enable(usbd_ctx)) {
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5 changes: 5 additions & 0 deletions subsys/usb/device_next/usbd_ch9.c
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Expand Up @@ -19,6 +19,7 @@
#include "usbd_class.h"
#include "usbd_class_api.h"
#include "usbd_interface.h"
#include "usbd_msg.h"

#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(usbd_ch9, CONFIG_USBD_LOG_LEVEL);
Expand Down Expand Up @@ -171,6 +172,10 @@ static int sreq_set_configuration(struct usbd_context *const uds_ctx)
uds_ctx->ch9_data.state = USBD_STATE_CONFIGURED;
}

if (ret == 0) {
usbd_msg_pub_simple(uds_ctx, USBD_MSG_CONFIGURATION, setup->wValue);
}

return ret;
}

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