3 Star 19 Fork 5

JYK/基于STM32 HAL 串口中断接收 Modbus RUT 从机

加入 Gitee
与超过 1200万 开发者一起发现、参与优秀开源项目,私有仓库也完全免费 :)
免费加入
克隆/下载
贡献代码
同步代码
取消
提示: 由于 Git 不支持空文件夾,创建文件夹后会生成空的 .keep 文件
Loading...
README
MulanPSL-2.0

基于STM32 HAL 串口 Modbus RUT 从机

介绍

制作一个好用的 Modbus RUT 从机模块

软件架构

串口使用了 STM32的DMA不定长接收与空闲中断 支持485通讯

安装教程

模块只有两个文件 modbus_slave.c 和 modbus_slave.h,该屏蔽已经屏蔽,只留出了寄存器操作、空闲循环和初始化函数可被更改​。​ 支持创建多个从机;只需重新初始化,重新声明缓存与参数结构体即可。

初始化函数
​ ​需添加到主循环前

/**
 * @Brief : Modbus Slave 初始化
 * @param  pModbus_Slave    参数指针
 * @param  pSlave_ID        从机 ID
 * @param  pUART_HandleTypeDef_Slave 指定串口
 * @param  pRxBuff          定义接收缓存
 * @param  pTxBuff          定义发送缓存
 * @param  pRxBuff_Size     定义接收缓存长度
 * @param  pTxBuff_Size     定义发送缓存长度
 * @param  pDIR_GPIO_Port   定义485使能发送引脚类
 * @param  pDIR_GPIO_pins   定义485使能发送引脚号
 * @param  send_choose      是否带485发送 没有485 置 1 否则置 0  (当置1时,引脚号和引脚类不再起作用)
 */
`void Modbus_Slave_init(_Modbus_Slave *pModbus_Slave, uint8_t pSlave_ID, UART_HandleTypeDef *pUART_HandleTypeDef_Slave, uint8_t *pRxBuff, uint8_t *pTxBuff, uint16_t pRxBuff_Size, uint16_t pTxBuff_Size, GPIO_TypeDef *pDIR_GPIO_Port, uint16_t pDIR_GPIO_pins, uint8_t send_choose);`

空闲中断回调函数

​    ​为了不和其他模块的中断函数起冲突,所以没有用HAL库自带的中断回调,所以在使用的过程中,需要自行将中断回调添加到中断函数里​。
/**
 * @Brief : 接收空闲中断回调
 *          ***  每声明一个从机都要重新在中断函数里添加当前从机的中断回调 ***
 * @param  huart            串口指针
 * @param  pModbus_Slave    从站参数指针
 */
void Modbus_Slave_Receive_IDLE(_Modbus_Slave *pModbus_Slave);

空闲循环函数

​    ​为了使模块可以在需要的时候对主机发送的指令做出响应,那么需要将本函数添加到每个耗时的循环里​。至少作者是这样认为的,但是时也会有内部数据更新不及时就收到读取指令,那么数据就会有延时。根据需要权衡使用发发送方式​。
/**
 * @Brief : Modbus 从站数据包解析
 *       在主循环中循环调用  每个从机调用一次
 * @param  pModbus_Slave    从站参数指针
 */
void Modbus_Slave_Poll(_Modbus_Slave *pModbus_Slave);

多从机应用

​    ​当MCU需要多个串口接收指令,那么就需要多从机应用,那么只需要声明一个新的数据结构体,添加对应结构体的模块初始化,在需要的地方添加中断回调和空闲循环即可​。

使用说明

/**
  * @brief This function handles USART1 global interrupt.
  */
void USART1_IRQHandler(void)
{
  /* USER CODE BEGIN USART1_IRQn 0 */
  Modbus_Slave_Receive_IDLE(&Modbus_Slave_485);
  /* USER CODE END USART1_IRQn 0 */
  HAL_UART_IRQHandler(&huart1);
  /* USER CODE BEGIN USART1_IRQn 1 */

  /* USER CODE END USART1_IRQn 1 */
}

参与贡献

  1. Fork 本仓库
  2. 新建 Feat_xxx 分支
  3. 提交代码
  4. 新建 Pull Request

特技

  1. 使用 Readme_XXX.md 来支持不同的语言,例如 Readme_en.md, Readme_zh.md
  2. Gitee 官方博客 blog.gitee.com
  3. 你可以 https://gitee.com/explore 这个地址来了解 Gitee 上的优秀开源项目
  4. GVP 全称是 Gitee 最有价值开源项目,是综合评定出的优秀开源项目
  5. Gitee 官方提供的使用手册 https://gitee.com/help
  6. Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 https://gitee.com/gitee-stars/
木兰宽松许可证, 第2版 木兰宽松许可证, 第2版 2020年1月 http://license.coscl.org.cn/MulanPSL2 您对“软件”的复制、使用、修改及分发受木兰宽松许可证,第2版(“本许可证”)的如下条款的约束: 0. 定义 “软件”是指由“贡献”构成的许可在“本许可证”下的程序和相关文档的集合。 “贡献”是指由任一“贡献者”许可在“本许可证”下的受版权法保护的作品。 “贡献者”是指将受版权法保护的作品许可在“本许可证”下的自然人或“法人实体”。 “法人实体”是指提交贡献的机构及其“关联实体”。 “关联实体”是指,对“本许可证”下的行为方而言,控制、受控制或与其共同受控制的机构,此处的控制是指有受控方或共同受控方至少50%直接或间接的投票权、资金或其他有价证券。 1. 授予版权许可 每个“贡献者”根据“本许可证”授予您永久性的、全球性的、免费的、非独占的、不可撤销的版权许可,您可以复制、使用、修改、分发其“贡献”,不论修改与否。 2. 授予专利许可 每个“贡献者”根据“本许可证”授予您永久性的、全球性的、免费的、非独占的、不可撤销的(根据本条规定撤销除外)专利许可,供您制造、委托制造、使用、许诺销售、销售、进口其“贡献”或以其他方式转移其“贡献”。前述专利许可仅限于“贡献者”现在或将来拥有或控制的其“贡献”本身或其“贡献”与许可“贡献”时的“软件”结合而将必然会侵犯的专利权利要求,不包括对“贡献”的修改或包含“贡献”的其他结合。如果您或您的“关联实体”直接或间接地,就“软件”或其中的“贡献”对任何人发起专利侵权诉讼(包括反诉或交叉诉讼)或其他专利维权行动,指控其侵犯专利权,则“本许可证”授予您对“软件”的专利许可自您提起诉讼或发起维权行动之日终止。 3. 无商标许可 “本许可证”不提供对“贡献者”的商品名称、商标、服务标志或产品名称的商标许可,但您为满足第4条规定的声明义务而必须使用除外。 4. 分发限制 您可以在任何媒介中将“软件”以源程序形式或可执行形式重新分发,不论修改与否,但您必须向接收者提供“本许可证”的副本,并保留“软件”中的版权、商标、专利及免责声明。 5. 免责声明与责任限制 “软件”及其中的“贡献”在提供时不带任何明示或默示的担保。在任何情况下,“贡献者”或版权所有者不对任何人因使用“软件”或其中的“贡献”而引发的任何直接或间接损失承担责任,不论因何种原因导致或者基于何种法律理论,即使其曾被建议有此种损失的可能性。 6. 语言 “本许可证”以中英文双语表述,中英文版本具有同等法律效力。如果中英文版本存在任何冲突不一致,以中文版为准。 条款结束 如何将木兰宽松许可证,第2版,应用到您的软件 如果您希望将木兰宽松许可证,第2版,应用到您的新软件,为了方便接收者查阅,建议您完成如下三步: 1, 请您补充如下声明中的空白,包括软件名、软件的首次发表年份以及您作为版权人的名字; 2, 请您在软件包的一级目录下创建以“LICENSE”为名的文件,将整个许可证文本放入该文件中; 3, 请将如下声明文本放入每个源文件的头部注释中。 Copyright (c) [Year] [name of copyright holder] [Software Name] is licensed under Mulan PSL v2. You can use this software according to the terms and conditions of the Mulan PSL v2. You may obtain a copy of Mulan PSL v2 at: http://license.coscl.org.cn/MulanPSL2 THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. See the Mulan PSL v2 for more details. Mulan Permissive Software License,Version 2 Mulan Permissive Software License,Version 2 (Mulan PSL v2) January 2020 http://license.coscl.org.cn/MulanPSL2 Your reproduction, use, modification and distribution of the Software shall be subject to Mulan PSL v2 (this License) with the following terms and conditions: 0. Definition Software means the program and related documents which are licensed under this License and comprise all Contribution(s). Contribution means the copyrightable work licensed by a particular Contributor under this License. Contributor means the Individual or Legal Entity who licenses its copyrightable work under this License. Legal Entity means the entity making a Contribution and all its Affiliates. Affiliates means entities that control, are controlled by, or are under common control with the acting entity under this License, ‘control’ means direct or indirect ownership of at least fifty percent (50%) of the voting power, capital or other securities of controlled or commonly controlled entity. 1. Grant of Copyright License Subject to the terms and conditions of this License, each Contributor hereby grants to you a perpetual, worldwide, royalty-free, non-exclusive, irrevocable copyright license to reproduce, use, modify, or distribute its Contribution, with modification or not. 2. Grant of Patent License Subject to the terms and conditions of this License, each Contributor hereby grants to you a perpetual, worldwide, royalty-free, non-exclusive, irrevocable (except for revocation under this Section) patent license to make, have made, use, offer for sale, sell, import or otherwise transfer its Contribution, where such patent license is only limited to the patent claims owned or controlled by such Contributor now or in future which will be necessarily infringed by its Contribution alone, or by combination of the Contribution with the Software to which the Contribution was contributed. The patent license shall not apply to any modification of the Contribution, and any other combination which includes the Contribution. If you or your Affiliates directly or indirectly institute patent litigation (including a cross claim or counterclaim in a litigation) or other patent enforcement activities against any individual or entity by alleging that the Software or any Contribution in it infringes patents, then any patent license granted to you under this License for the Software shall terminate as of the date such litigation or activity is filed or taken. 3. No Trademark License No trademark license is granted to use the trade names, trademarks, service marks, or product names of Contributor, except as required to fulfill notice requirements in Section 4. 4. Distribution Restriction You may distribute the Software in any medium with or without modification, whether in source or executable forms, provided that you provide recipients with a copy of this License and retain copyright, patent, trademark and disclaimer statements in the Software. 5. Disclaimer of Warranty and Limitation of Liability THE SOFTWARE AND CONTRIBUTION IN IT ARE PROVIDED WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. IN NO EVENT SHALL ANY CONTRIBUTOR OR COPYRIGHT HOLDER BE LIABLE TO YOU FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO ANY DIRECT, OR INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES ARISING FROM YOUR USE OR INABILITY TO USE THE SOFTWARE OR THE CONTRIBUTION IN IT, NO MATTER HOW IT’S CAUSED OR BASED ON WHICH LEGAL THEORY, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 6. Language THIS LICENSE IS WRITTEN IN BOTH CHINESE AND ENGLISH, AND THE CHINESE VERSION AND ENGLISH VERSION SHALL HAVE THE SAME LEGAL EFFECT. IN THE CASE OF DIVERGENCE BETWEEN THE CHINESE AND ENGLISH VERSIONS, THE CHINESE VERSION SHALL PREVAIL. END OF THE TERMS AND CONDITIONS How to Apply the Mulan Permissive Software License,Version 2 (Mulan PSL v2) to Your Software To apply the Mulan PSL v2 to your work, for easy identification by recipients, you are suggested to complete following three steps: i Fill in the blanks in following statement, including insert your software name, the year of the first publication of your software, and your name identified as the copyright owner; ii Create a file named “LICENSE” which contains the whole context of this License in the first directory of your software package; iii Attach the statement to the appropriate annotated syntax at the beginning of each source file. Copyright (c) [Year] [name of copyright holder] [Software Name] is licensed under Mulan PSL v2. You can use this software according to the terms and conditions of the Mulan PSL v2. You may obtain a copy of Mulan PSL v2 at: http://license.coscl.org.cn/MulanPSL2 THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. See the Mulan PSL v2 for more details.

简介

制作一个好用的 Modbus RUT 从机模块 展开 收起
README
MulanPSL-2.0
取消

发行版

暂无发行版

贡献者

全部

语言

近期动态

不能加载更多了
马建仓 AI 助手
尝试更多
代码解读
代码找茬
代码优化
C
1
https://gitee.com/yakunJU/Modbus-RUT_Slave.git
git@gitee.com:yakunJU/Modbus-RUT_Slave.git
yakunJU
Modbus-RUT_Slave
基于STM32 HAL 串口中断接收 Modbus RUT 从机
master

搜索帮助