Function esp_idf_sys::uart_set_tx_empty_threshold

source ยท 
pub unsafe extern "C" fn uart_set_tx_empty_threshold(
    uart_num: uart_port_t,
    threshold: c_int,
) -> esp_err_t
Expand description

@brief Set uart threshold values for TX fifo empty

@param uart_num UART port number, the max port number is (UART_NUM_MAX -1) @param threshold Threshold value below which TX fifo empty interrupt is generated

@return - ESP_OK Success - ESP_ERR_INVALID_ARG Parameter error - ESP_ERR_INVALID_STATE Driver is not installed