这篇文章主要介绍了vxworks中vxBusShow有什么用,具有一定借鉴价值,感兴趣的朋友可以参考下,希望大家阅读完这篇文章之后大有收获,下面让小编带着大家一起了解一下。
VxWorks从6.2开始,引入了vxBus,一种新的设备驱动框架。vxBus使得新设备、新驱动的添加,更为灵活;驱动与BSP的耦合度更低;而且支持更多的总线#define VXB_BUSID_PLB 1 /* processor local bus */#define VXB_BUSID_VME 2 /* VME */#define VXB_BUSID_PCI 3 /* PCI */#define VXB_BUSID_PCIX 4 /* PCI w/ PCI-X ext */#define VXB_BUSID_PCIEXPRESS 5 /* PCI w/ PCI-Express ext */#define VXB_BUSID_HYPERTRANSPORT 6 /* PCI w/ HyperTransport ext */#define VXB_BUSID_RAPIDIO 7 /* RapidIO */#define VXB_BUSID_MII 8 /* Media Independent Interface */#define VXB_BUSID_VIRTUAL 9 /* virtual bus */#define VXB_BUSID_MF 10 /* multi-function device bus */#define VXB_BUSID_USB_HOST_EHCI 11 /* EHCI Bus Type */#define VXB_BUSID_USB_HOST_OHCI 12 /* OHCI Bus Type */#define VXB_BUSID_USB_HOST_UHCI 13 /* UHCI Bus Type */#define VXB_BUSID_USB_HUB 14 /* hub bus type */#define VXB_BUSID_USB_HOST_SYNOPSYSHCI 15 /* Synopsys HCI Bus Type*/#define VXB_BUSID_USB_HOST_MHCI 16 /* MHCI Bus Type */#define VXB_BUSID_USB_HOST 17 /* USB Host Bus Type */#define VXB_BUSID_I2C 20 /* I2C bus type */#define VXB_BUSID_SPI 21 /* Serial Periph Interconnect */#define VXB_BUSID_SD 22 /* SD/SDIO bus type */
今天只看一个函数vxBusShow(), 它会展示4部分信息
1 当前系统注册的总线

2 当然系统注册的驱动

3 每个总线上的设备实例

4 每个总线上没有加载驱动的设备

感谢你能够认真阅读完这篇文章,希望小编分享的“vxworks中vxBusShow有什么用”这篇文章对大家有帮助,同时也希望大家多多支持天达云,关注天达云行业资讯频道,更多相关知识等着你来学习!