Lwip is a very good open source protocol stack, and I successfully transplanted it to two ARM7 chips, and in the process of transplanting the results of many prawns, thank them for their selfless dedication! As the saying goes, "the water of dripping" comes to me, and my anti-cs8900a driver is posted, hoping to make use of it. There are a lot of CS8900A driver, but mostly work in the Memory mode, model takes up more Memory address, suitable for EMI interface chip, for there is no EMI interface chip (in low-end embedded applications are common), IO model is due to take up less address lines and widely used. This driver works in 16-bit IO mode and works well on Lwip1.1.1. The underlying operating system USES uCOS- II.

Lwip+ucos-ii+CS8900A驱动程序－－基于16位IO模式.txt

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