Let's use SPI and DMA using STM32F103, W5100s
Let's use SPI and DMA using STM32F103
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Hardware components
WIZnet - W5100S-EVB
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Project description
test code repo is here : https://github.com/Wiznet/W5100S-EVB Let's look at SPI communication first and operate it. Since SPI communication uses a pin with a small number of BUS to communicate, if there is a restriction on the PIN to use, it is a commonly used peripherals. If there is something you do not understand, please point it out I have to go! we should follow SPI frame. test environment SPI Initialize There are precautions when using DMA! In case of DMA, RX/TX move simultaneously, That is why, Even if you only want DMA RX operation, you have to perform TX operation for normal…
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