{"_id":"57fdb17c4defec0e00642294","category":{"_id":"57fdb17c4defec0e0064228e","project":"5581248904ae5b0d0026289a","__v":0,"version":"57fdb17c4defec0e0064228b","sync":{"url":"","isSync":false},"reference":false,"createdAt":"2015-06-18T03:15:52.144Z","from_sync":false,"order":3,"slug":"message-types","title":"Protocol Messages"},"parentDoc":null,"user":"557e2561eb75d80d00af3dab","version":{"_id":"57fdb17c4defec0e0064228b","project":"5581248904ae5b0d0026289a","__v":2,"createdAt":"2016-10-12T03:43:56.009Z","releaseDate":"2016-10-12T03:43:56.009Z","categories":["57fdb17c4defec0e0064228c","57fdb17c4defec0e0064228d","57fdb17c4defec0e0064228e","57fdb520bcc07b0e00d1ef41"],"is_deprecated":false,"is_hidden":false,"is_beta":false,"is_stable":true,"codename":"","version_clean":"2.0.0","version":"2.0"},"__v":0,"project":"5581248904ae5b0d0026289a","updates":[],"next":{"pages":[],"description":""},"createdAt":"2015-06-18T03:19:08.438Z","link_external":false,"link_url":"","githubsync":"","sync_unique":"","hidden":false,"api":{"results":{"codes":[]},"settings":"","auth":"required","params":[],"url":""},"isReference":false,"order":2,"body":"Light messages control and acquire the state of a specific type of device, such as a lightbulb.  The state is comprised of the [label](doc:device-messages#section-label), [power level](doc:device-messages#section-power-level) and [color](#section-hsbk).\n\nThere are a duplicate set of __device__ power related messages, [Device::GetPower](doc:device-messages#section-getpower-20), [Device::StatePower](doc:device-messages#section-statepower-22) and [Device::SetPower](doc:device-messages#section-setpower-21), which are extended for lights by adding a _duration_ field to [Light::SetPower](#section-setpower-117).\n\nThe [Protocol header](doc:header-description#protocol-header) _message type_ field value (decimal) appears after each message name in this document. Each section below describes the _payload_ that is appended to the [message header](doc:header-description). Some messages do not require a payload.\n[block:api-header]\n{\n  \"type\": \"basic\",\n  \"title\": \"Message Field Data Types\"\n}\n[/block]\n### HSBK\n\nHSBK is used to represent the _color_ and _color_ temperature of a light.\n\nThe _color_ is represented as an HSB ([Hue, Saturation, Brightness](http://en.wikipedia.org/wiki/HSL_and_HSV)) value.\n\nThe _color temperature_ is represented in K ([Kelvin](http://en.wikipedia.org/wiki/Color_temperature)) and is used to adjust the warmness / coolness of a white light, which is most obvious when saturation is close zero.\n\n* Hue: range 0 to 65535\n* Saturation: range 0 to 65535\n* Brightness: range 0 to 65535\n* Kelvin: range 2500° (warm) to 9000° (cool)\n\n| Field | Type |\n|-------|------|\n| hue | unsigned 16-bit integer |\n| saturation | unsigned 16-bit integer |\n| brightness | unsigned 16-bit integer |\n| kelvin | unsigned 16-bit integer |\n\nFor user interface purposes, the hue is typically scaled to between 0° and 360°. Saturation and brightness are typically scaled to between 0% and 100%.\n[block:api-header]\n{\n  \"type\": \"basic\",\n  \"title\": \"Light Messages\"\n}\n[/block]\n### Get - 101\n\nSent by a client to obtain the light state. No payload required. Causes the device to transmit a [State](#section-state-107) message.\n\n### SetColor - 102\n\nSent by a client to change the light state.\n\n| Field | Type |\n|-------|------|\n| reserved | unsigned 8-bit integer |\n| color | HSBK |\n| duration | unsigned 32-bit integer |\n\nThe _duration_ is the color transition time in milliseconds.\n\nIf the [Frame Address](doc:header-description#frame-address) *res\\_required* field is set to one (1) then the device will transmit a [State](#section-state-107) message.\n\n### State - 107\n\nSent by a device to provide the current light state.\n\n| Field | Type |\n|-------|------|\n| color | HSBK |\n| reserved | signed 16-bit integer |\n| power | unsigned 16-bit integer |\n| label | string, size: 32 bytes |\n| reserved | unsigned 64-bit integer |\n\nSee [color](#section-hsbk), [label](doc:device-messages#section-label) and [power level](doc:device-messages#section-power-level).\n\n### GetPower - 116\n\nSent by a client to obtain the [power level](doc:device-messages#section-power-level). No payload required. Causes the device to transmit a [StatePower](#section-statepower-118) message.\n\n### SetPower - 117\n\nSent by a client to change the light [power level](doc:device-messages#section-power-level).\n\n| Field | Type |\n|-------|------|\n| level | unsigned 16-bit integer |\n| duration | unsigned 32-bit integer |\n\nThe [power level](doc:device-messages#section-power-level) must be either 0 or 65535.\n\nThe _duration_ is the _power level_ transition time in milliseconds.\n\nIf the [Frame Address](doc:header-description#frame-address) *res\\_required* field is set to one (1) then the device will transmit a [StatePower](#section-statepower-118) message.\n\n### StatePower - 118\n\nSent by a device to provide the current [power level](doc:device-messages#section-power-level).\n\n| Field | Type |\n|-------|------|\n| level | unsigned 16-bit integer |\n\n### GetInfrared - 120\n\nGets the current maximum power level of the Infrared channel. If the [Frame Address](doc:header-description#frame-address) *res_required* field is set to one (1) then the device will transmit a [StateInfrared](#section-stateinfrared-121) message.\n\nNo payload is required\n\n### StateInfrared - 121\n\nThis message is returned from a [GetInfrared](#section-getinfrared-120) message. It indicates the current maximum setting for the infrared channel.\n\n| Field | Type |\n|-------|------|\n| brightness | unsigned 16-bit integer |\n\n### SetInfrared - 122\n\nSend this message to alter the current maximum brightness for the infrared channel.\n\nIf the [Frame Address](doc:header-description#frame-address) *res_required* field is set to one (1) then the device will transmit a [StateInfrared](#section-stateinfrared-121) message.\n\n| Field | Type |\n|-------|------|\n| brightness | unsigned 16-bit integer |","excerpt":"","slug":"light-messages","type":"basic","title":"Light Messages"}