====== GPIO Layer (gpio) ======

The GPIO layer provides General Purpose Input/Output functionality. This layer can be placed on top of any layer.

===== GPIO Layer Configuration Parameters =====

^                          Parameter^      Type^                                                           Description^
|                              Alias|    String|                                                                      |
|                    Debug Log Level|    Number|                                                           Debug Level|
|                       Dependencies|    String|                                    Other dependencies to this element|
|                   Destination Peer|    Number|                                                                      |
|                       Event Filter|    String|                                                       Filter of Event|
|                        Exact Match|   Boolean|                                                                      |
|                    Input Port List|    Number|                                                                      |
|               Max Event Queue Size|    Number|                                                    Maximum Queue Size|
|                               Name|    String|                                                        Component Name|
|                          No Events|   Boolean|                                                                      |
|                   Output Port List|    Number|                                                                      |
|                         PWM Period|    Number|                                                                      |
|                        Passthrough|   Boolean|                                         High-to-Low Layer Passthrough|
|                 Raw Data To Inject|    String|                                                 Data Packet to Inject|
|               Raw Dst L2 To Inject|    String|                                                Destination L2 Address|
|               Raw Dst L3 To Inject|    String|                                                Destination L3 Address|
|               Raw Dst L4 To Inject|    String|                                                Destination L4 Address|
|                    Request Timeout|    Number|                                                                      |
|                Save Dynamic Config|   Boolean|                                                                      |
|                      Show Commands|   Boolean|                                                         Show Commands|
|                        Show Events|   Boolean|                                                           Show Events|
|                              Watch|   Boolean|                                                           Watch Layer|


===== GPIO Layer Real-Time Parameters =====

^                          Parameter^      Type^                                                           Description^
|               Allow Blocking Event|   Boolean|                                                       Blocking Events|
|                            Blocked|   Boolean|                                                     Disable Component|
|                    Debug Log Level|    Number|                                                           Debug Level|
|                        Passthrough|   Boolean|                                         High-to-Low Layer Passthrough|
|                              Watch|   Boolean|                                                           Watch Layer|

===== GPIO Layer Functions =====

^                                                    Function^      Type^                                                           Description^
|                            getGpioAllowBlockingEvent(layer)|    getter|                                  Get "Allow Blocking Event" Parameter|
|                                       getGpioBlocked(layer)|    getter|                                               Get "Blocked" Parameter|
|                                 getGpioDebugLogLevel(layer)|    getter|                                       Get "Debug Log Level" Parameter|
|                               getGpioDestinationPeer(layer)|    getter|                                      Get "Destination Peer" Parameter|
|                                      getGpioNoEvents(layer)|    getter|                                             Get "No Events" Parameter|
|                                     getGpioPWMPeriod(layer)|    getter|                                            Get "PWM Period" Parameter|
|                                   getGpioPassthrough(layer)|    getter|                                           Get "Passthrough" Parameter|
|                                         getGpioWatch(layer)|    getter|                                                 Get "Watch" Parameter|
|                       getStatsGpioAvailableInstances(layer)|    getter|                                   Get "Available Instances" Parameter|
|                     getStatsGpioDownstreamLastPacket(layer)|    getter|                                Get "Downstream Last Packet" Parameter|
|                    getStatsGpioDownstreamPacketCount(layer)|    getter|                               Get "Downstream Packet Count" Parameter|
|                       getStatsGpioMaxDownstreamDelay(layer)|    getter|                                  Get "Max Downstream Delay" Parameter|
|                         getStatsGpioMaxUpstreamDelay(layer)|    getter|                                    Get "Max Upstream Delay" Parameter|
|                      getStatsGpioMeanDownstreamDelay(layer)|    getter|                                 Get "Mean Downstream Delay" Parameter|
|                        getStatsGpioMeanUpstreamDelay(layer)|    getter|                                   Get "Mean Upstream Delay" Parameter|
|                       getStatsGpioMinDownstreamDelay(layer)|    getter|                                  Get "Min Downstream Delay" Parameter|
|                         getStatsGpioMinUpstreamDelay(layer)|    getter|                                    Get "Min Upstream Delay" Parameter|
|                                     getStatsGpioName(layer)|    getter|                                                  Get "Name" Parameter|
|                        getStatsGpioRateBpsDownstream(layer)|    getter|                                   Get "Rate Bps Downstream" Parameter|
|                          getStatsGpioRateBpsUpstream(layer)|    getter|                                     Get "Rate Bps Upstream" Parameter|
|                              getStatsGpioTimestampIn(layer)|    getter|                                          Get "Timestamp In" Parameter|
|                             getStatsGpioTimestampOut(layer)|    getter|                                         Get "Timestamp Out" Parameter|
|                                     getStatsGpioType(layer)|    getter|                                                  Get "Type" Parameter|
|                       getStatsGpioUpstreamLastPacket(layer)|    getter|                                  Get "Upstream Last Packet" Parameter|
|                      getStatsGpioUpstreamPacketCount(layer)|    getter|                                 Get "Upstream Packet Count" Parameter|
|                  getStatsGpioVarianceDownstreamDelay(layer)|    getter|                             Get "Variance Downstream Delay" Parameter|
|                    getStatsGpioVarianceUpstreamDelay(layer)|    getter|                               Get "Variance Upstream Delay" Parameter|
|                                     gpioDisable(layer,port)|  function|                                                      Disable I/O Port|
|                                      gpioEnable(layer,port)|  function|                                                       Enable I/O Port|
|                    gpioInputDirection(layer,port,direction)|  function|                                           Configure I/O Port as Input|
|                   gpioOutputDirection(layer,port,direction)|  function|                                          Configure I/O Port as Output|
|                                    gpioPwmStart(layer,port)|  function|                                                             Start PWM|
|                                     gpioPwmStop(layer,port)|  function|                                                              Stop PWM|
|                                   gpioWriteHigh(layer,port)|  function|                                             Write I/O Port High Level|
|                                    gpioWriteLow(layer,port)|  function|                                              Write I/O Port Low Level|
|                      setGpioAllowBlockingEvent(layer,value)|    setter|                                  Set "Allow Blocking Event" Parameter|
|                                 setGpioBlocked(layer,value)|    setter|                                               Set "Blocked" Parameter|
|                           setGpioDebugLogLevel(layer,value)|    setter|                                       Set "Debug Log Level" Parameter|
|                                setGpioNoEvents(layer,value)|    setter|                                             Set "No Events" Parameter|
|                               setGpioPWMPeriod(layer,value)|    setter|                                            Set "PWM Period" Parameter|
|                             setGpioPassthrough(layer,value)|    setter|                                           Set "Passthrough" Parameter|
|                                   setGpioWatch(layer,value)|    setter|                                                 Set "Watch" Parameter|