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OSEK_NM2.5.3协议的实现,目前手上只有STM32F407的板子,只在STM32F407平台实现。

C 98.31% Assembly 0.73% C++ 0.96%

osek_nm's Introduction

OSEK_NM

基于OsekNM 2.5.3协议实现的OsekNM,跨平台的结构,目前只实现了STM32F407ZGT6平台的驱动。

1. 目录结构

1.1 App目录是一个keil5工程,App/keil/Objects/OsekNM.hex是一个可以直接在STM32F407ZGT6平台运行的hex文件。
1.2 Driver目录包含了stm32f407子目录和Win7子目录,stm32f407目录下就是实现的STM32F407ZGT6平台的底层驱动,包括定时器和CAN模块的驱动,以及Stm32标准库的 东西;Win7子目录是在windows7平台下执行的一些文件;Driver_Common.c是一些公用的驱动,由OsekNM_core统一调用。
1.3 OsekNM_core实现了OsekNM 2.5.3协议的核心逻辑,OsekNM.c实现了对各个节点各状态的处理,OsekNMServer.c实现了OsekNM 2.5.3协议提供给应用程序的API。

2. 移植

2.1 在Driver目录新建文件夹,保存新平台的驱动程序,新的平台下需要实现CAN模块和定时器及中断的驱动程序。
2.2 修改Driver_Common.c文件,修改TX_CAN_Transmit()函数,调用新平台发送CAN报文的CAN模块驱动程序,修改InitPlatform()函数,调用新平台初始化CAN模块和定时器的函数;Recv_EveryMessage()被CAN接受报文中断服务函数调用。
2.3 你的定时器中断函数里面,调用Driver_Common.c的Timer10()函数。
2.4 修改Driver_Common.h文件,#define 新的平台,并包含驱动相关的头文件,#define NMID 新的网络管理报文ID,#define ADDR_SELF 新的节点源地址。
2.4 可以参考stm32f407的例子来实现自己平台的移植。

3. 附注

整个代码移植到我的开发板,并且验证通过。
专门在Vspy平台实现了虚拟的网络管理节点。
如果在移植过程遇到问题,可以联系我。
微信:ys18908109394
qq: 1175818152

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