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Could you explain about 'Timeout' argument?

Question asked by Keunjae Song on Oct 14, 2017

Hello, I'm high school student(not good at English...), very interested in STM32 board. 

I'm studying about SPI using STMCubeMX, and I know there is HAL_SPI_Transmit function.

But I couldn't understand about 'Timeout' argument which is one of the arguments of this function. So, Could you explain what does 'Timeout' means and Why Timeout are used?

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