奋战了一个月，倒是把驱动的基本框架了解七七八八了，兴致使然，图像采集感觉还不错，公司有产品当开发板，也是省下了大部分的学习成本。 硬件基本结构就是：SOC平台为瑞芯微，视频桥接芯片是LT6911UXC，千兆网络接口和基本的电源电路，还有的最小核心板 ...

i2c的设备树和驱动是如何匹配以及何时调用probe的？粉丝手里的I2C外设是ov5640，一个摄像头。粉丝提问，一口君必须安排。 i2c_device_match（），匹配总线维护的驱动链表和设备信息链表，如果其中名字完全相同，则返回true，否则false；i2c_device_probe（），当 ...

近期有点全身心投入到了嵌入式驱动的开发意思了，起早贪黑的学习。不过也是，人生的路都是在不断地学习中度过的。对于干了几年的硬件工程师而言，不说硬件是不是很牛了，就是想换换脑子，整天三极管、电阻、电容的，确实让人乏味。思来想去，硬件是 ...

In the June and August 2003 issues of Linux Journal, my column covered the Linux kernel driver model, and the I2C subsystem was used as an example. This month, we discuss what the I2C subsystem does ...

In my last column [LJ, December 2003], we discussed how I2C bus drivers and I2C algorithm drivers work. We also described how to make a tiny dummy I2C bus driver. This month, we discuss how an I2C ...

Hooking up I2C sensors is something which is generally associated with microcontrollers and SBCs, yet it’s very easy to use such I2C sensors from basically any system that runs Linux. After all, I2C ...

A fundamental skill that embedded software developers need to master is understanding how to write drivers. Within an embedded system, there a typically two types of drivers: microcontroller ...