feat(usb_device_module): 添加电源管理限制功能

- 引入power_manager_event.h头文件
- 实现update_power_manager_restriction函数来控制电源管理级别
- 在VBUS就绪时设置为ALIVE级别，在VUSB移除时设置为SUSPENDED级别
- 模块初始化时默认设置为SUSPENDED级别

src/usb_device_module.c

@@ -11,6 +11,8 @@
 #include <zephyr/logging/log.h>
 #include <zephyr/usb/usbd.h>
 
+#include <caf/events/power_manager_event.h>
+
 #include "usb_device_module.h"
 #include "usb_device_state_event.h"
 #include "usb_function_ready_event.h"
@@ -71,6 +73,13 @@ static void update_usb_device_state(enum usb_device_state state)
 	submit_usb_device_state_event(state);
 }
 
+static void update_power_manager_restriction(bool vbus_present)
+{
+	power_manager_restrict(MODULE_IDX(MODULE),
+			       vbus_present ? POWER_MANAGER_LEVEL_ALIVE :
+					      POWER_MANAGER_LEVEL_SUSPENDED);
+}
+
 static int usb_descriptors_init(void)
 {
 	int err;
@@ -112,6 +121,7 @@ static void usbd_msg_cb(struct usbd_context *const usbd_ctx,
 
 	switch (msg->type) {
 	case USBD_MSG_VBUS_READY:
+		update_power_manager_restriction(true);
 		if (!usb_enabled) {
 			int err = usbd_enable(&blinky_usbd);
 
@@ -125,6 +135,7 @@ static void usbd_msg_cb(struct usbd_context *const usbd_ctx,
 		break;
 
 	case USBD_MSG_VBUS_REMOVED:
+		update_power_manager_restriction(false);
 		if (usb_enabled) {
 			int err = usbd_disable(&blinky_usbd);
 
@@ -207,6 +218,7 @@ static int module_init(void)
 	ready_function_mask = 0U;
 	prepare_broadcasted = false;
 	usbd_initialized = false;
+	update_power_manager_restriction(false);
 
 	return 0;
 }