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HAL_UART_DMA_Receive problem

Arman Ilmak
Senior

Hi guys.

I have a problem with this hal function.The problem is that every time I use this function the first byte received is not what I transfer to it.For example when I send AT (ESP8266 AT command) to the module it must return AT OK,but every time(except the first time)the first byte is not A!

https://imghostr.com/KHNQXNw1P

10 REPLIES 10
S.Ma
Principal