Function esp_idf_hal::sys::usb_serial_jtag_read_bytes

pub unsafe extern "C" fn usb_serial_jtag_read_bytes(
    buf: *mut c_void,
    length: u32,
    ticks_to_wait: u32,
) -> i32

@brief USB_SERIAL_JTAG read bytes from USB_SERIAL_JTAG buffer

@param buf pointer to the buffer. @param length data length @param ticks_to_wait Timeout in RTOS ticks

@return - The number of bytes read from USB_SERIAL FIFO