From 0dd5f28e3c9d193b1e71b1109e2eedf772d86b9f Mon Sep 17 00:00:00 2001
From: sakumisu <1203593632@qq.com>
Date: Thu, 23 Jun 2022 21:30:32 +0800
Subject: [PATCH] update host memory usage

---
 README.md    | 12 +++++++++++-
 README_zh.md | 10 ++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index dc8fc26d..e63528cc 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ CherryUSB Device Stack has the following functions：
 - Support WINUSB1.0、WINUSB2.0(with BOS)
 - Support Vendor class
 
-CherryUSB Device Stack resource usage (GCC 10.2 with -O2)：
+CherryUSB Device Stack resource usage (GCC 10.2 with -O2):
 
 |   file      |  FLASH (Byte)  |  RAM (Byte)  |
 |:-----------:|:--------------:|:------------:|
@@ -92,6 +92,16 @@ CherryUSB Host Stack has the following functions：
 
 The CherryUSB Host stack also provides the lsusb function, which allows you to view information about all mounted devices, including those on external hubs, with the help of a shell plugin.
 
+CherryUSB Host Stack resource usage (GCC 10.2 with -O2):
+
+|   file        |  FLASH (Byte)  |  RAM (Byte)  |
+|:-------------:|:--------------:|:------------:|
+|usbh_core.c    |  7992          | 472          |
+|usbh_cdc_acm.c |  1208          | 4            |
+|usbh_msc.c     |  2239          | 4            |
+|usbh_hid.c     |  930           | 4            |
+|usbh_hub.c     |  3878          | 14           |
+
 ## Documentation Tutorial
 
 Quickly start, USB basic concepts, API manual, Class basic concepts and examples, see [CherryUSB Documentation Tutorial](https://cherryusb.readthedocs.io/)
diff --git a/README_zh.md b/README_zh.md
index b5a84238..5837c200 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -91,6 +91,16 @@ CherryUSB Host 协议栈当前实现以下功能：
 
 同时，CherryUSB Host 协议栈还提供了 lsusb 的功能，借助 shell 插件可以查看所有挂载设备的信息，包括外部 hub 上的设备的信息。
 
+CherryUSB Host 协议栈资源占用说明（GCC 10.2 with -O2）：
+
+|   file        |  FLASH (Byte)  |  RAM (Byte)  |
+|:-------------:|:--------------:|:------------:|
+|usbh_core.c    |  7992          | 472          |
+|usbh_cdc_acm.c |  1208          | 4            |
+|usbh_msc.c     |  2239          | 4            |
+|usbh_hid.c     |  930           | 4            |
+|usbh_hub.c     |  3878          | 14           |
+
 ## 文档教程
 
 CherryUSB 快速入门、USB 基本概念，API 手册，Class 基本概念和例程，参考 [CherryUSB 文档教程](https://cherryusb.readthedocs.io/)