From 3acfca1e34f2bda98ff04089537ff4ec94e63612 Mon Sep 17 00:00:00 2001
From: xj <kameblue@foxmail.com>
Date: Thu, 13 Jun 2024 00:08:58 -0700
Subject: [PATCH] Add comments

---
 .../drivers/usb/components/mem/usb_mem.c         | 10 ++++++++++
 .../drivers/usb/components/mem/usb_mem.h         | 16 ++++++++++++++++
 .../drivers/usb/components/osal/usb_osal.c       |  8 ++++++++
 3 files changed, 34 insertions(+)

diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c
index 555fe685f..54e47f614 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.c
@@ -1,6 +1,16 @@
 #include <libmem.h>
 #include "usb_mem.h"
 
+/*************************************************
+File name: usb_mem.c
+Description: support usb memory management
+Others: take CherryUSB v0.1.2/CherryUSB/port/xhci/usb_hc_xhci.c for references
+                https://github.com/cherry-embedded/CherryUSB/blob/v0.10.2/port/xhci/usb_hc_xhci.c
+History: 
+1. Date: 2024-06-12
+Author: AIIT XUOS Lab
+Modification: re-develop usb_hc_malloc, usb_hc_malloc_align and usb_hc_free functions
+*************************************************/
 
 
 void *usb_hc_malloc(size_t size){
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.h
index 95e7c12ec..b47417473 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/mem/usb_mem.h
@@ -2,7 +2,23 @@
  * Copyright (c) 2022, sakumisu
  *
  * SPDX-License-Identifier: Apache-2.0
+ *
+ * 
  */
+
+
+/*************************************************
+File name: usb_mem.h
+Description: support usb memory management
+Others: take CherryUSB v0.10.2/CherryUSB/cherryusb_config_template.h for references
+                https://github.com/cherry-embedded/CherryUSB/blob/v0.10.2/cherryusb_config_template.h
+History: 
+1. Date: 2024-06-12
+Author: AIIT XUOS Lab
+Modification: Use usb_malloc, usb_free and usb_align functions
+*************************************************/
+
+
 #ifndef USB_MEM_H_
 #define USB_MEM_H_
 
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/osal/usb_osal.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/osal/usb_osal.c
index e19c77368..caa94e5ef 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/osal/usb_osal.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/osal/usb_osal.c
@@ -6,6 +6,7 @@
 
 #include "usb_osal.h"
 #include "libserial.h"
+#include "syscall.h"
 #include "usyscall.h"
 
 
@@ -17,6 +18,13 @@ usb_osal_thread_t usb_osal_thread_create(const char *name, uint32_t stack_size,
     return (usb_osal_thread_t)ret;
 }
 
+void usb_osal_thread_delete(usb_osal_thread_t thread){
+    int thread_id;
+    thread_id = (int)thread;
+
+    kill(thread_id);
+}
+
 
 usb_osal_sem_t usb_osal_sem_create(uint32_t initial_count){