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hello
- 驱动程序加载时，在/dev目录下，自动创建设备节点-When the driver is loaded, automatically create device nodes in the /dev directory,
nRF24L01-
- nRF24L01无线模块6个接收通道，nRF24L01无线模块可以参考此文件调试 nRF24L01无线模块，如需要建立一个小型的无线网络，一个无线模块作为路由节点，六个作为传感器节点。-nRF24L01 wireless module 6 receiving channels, nRF24L01 wireless module can refer to this file debugging nRF24L01 wireless module, such as the need to build
task_setup.py
- The battery simulator node battery_simulator.py can be found in the directory rbx2_utils/nodes . The scr ipt is fairly straightforward except perhaps for the parts relating to dynamic reconfigure which we will cover in detail in Chapter 7. For no
04misc_ioctl
- 开发板4412_ARM9开发，通过使用miscdevice驱动框架构建设备结点，开发测试gpio和key驱动测试，测试使用ioctl函数调用实现，里面猪油详细注释；-Development board 4412 ARM9 development, through the use of miscdevice driver framework to build device nodes, development and testing gpio key drive test, the use of
GPIO_TEST
- 基于4412的平台写的GPIO测试程序，前提是需要有设备节点，通过设备节点测试。-Based on the 4412 platform to write the GPIO test program, provided that there is a need for device nodes, through the device node test.
spidev.c
- * This supports access to SPI devices using normal userspace I/O calls. * Note that while traditional UNIX/POSIX I/O semantics are half duplex, * and often mask message boundaries, full SPI support requires full duplex * transfers. There ar