I am usi the IDLE event functionality of UART with HAL_UARTEx_ReceiveToIdle_IT() on an STM32G473QET6 controller. Is there a way to change the idle timeout using STM32CubeMX, or are there alternative methods to modify this setting?
No, IDLE happens at the first time the bus is idle. This is baked into the hardware, there is no way to set a delay or timeout.
If you want a delay, you could set up a timer that starts when IDLE occurs and has a callback when the period is elapsed.
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