uart_drv_cmd

zephyr::raw

Function uart_drv_cmd 

Source 
pub unsafe extern "C" fn uart_drv_cmd(
    dev: *const device,
    cmd: u32,
    p: u32,
) -> i32
Expand description

@brief Send extra command to driver.

Implementation and accepted commands are driver specific. Refer to the drivers for more information.

@param dev UART device instance. @param cmd Command to driver. @param p Parameter to the command.

@retval 0 If successful. @retval -ENOSYS If this function is not implemented. @retval -ENOTSUP If API is not enabled. @retval -errno Other negative errno value in case of failure.