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STM32F4 - Discovery

Question asked by despotovic.zivadin on Feb 9, 2015
I'm trying to enable USART communication, but I have a problem. I want to send hex number, for example 0x35, and I want to use HAL_USART_Transimt function without IRQ. But I need to put size of buffer and timeout. The size is 8bit, but what should i put as timeout.