input capture timer

Hi guys
i need to use "Capture timer" in rt-thread.
i'm use in bare metal (without RTOS) of below code for two channel in one timer:

my configure in CubeMX:

void HAL_TIM_IC_CaptureCallback (TIM_HandleTypeDef *htim)
{
        if(htim->Channel==HAL_TIM_ACTIVE_CHANNEL_1)
        {
        // code for channel 1
        }
        else if(htim->Channel==HAL_TIM_ACTIVE_CHANNEL_2)
        {
        //code for cahnnel 2 
        }

and i have enable "RT- Input capture " in component but i don't know what to do next?:

thanks for responsived

@RTThread_IoT_OS

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