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const {validate} = require('../../lifx');
const Packet = {
size: 55
};
/**
* @typedef {Object} Tile
* @property {Number} - UInt16 accelMeasX
* @property {Number} - UInt16 accelMeasY
* @property {Number} - UInt16 accelMeasZ
* @property {Number} - UInt16 reserved0
* @property {Number} - Float userX
* @property {Number} - Float userY
* @property {Number} - UInt8 width
* @property {Number} - UInt8 height
* @property {Number} - UInt8 reserved1
* @property {Number} - UInt32 deviceVersionVendor
* @property {Number} - UInt32 deviceVersionProduct
* @property {Number} - UInt32 deviceVersionVersion
* @property {UInt64LowHigh} - firmwareBuild
* @property {UInt64LowHigh} - reserved2
* @property {Number} - UInt16 firmwareVersionMinor
* @property {Number} - UInt16 firmwareVersionMajor
* @property {Number} - UInt32 reserved3
*/
/**
* @typedef {Object} OffsetBuffer
* @property {Number} offset - offset after the buffer
* @property {Buffer} buffer - buffer
*/
/**
* Converts the given packet specific object into a packet
* @param {Buffer} buffer output buffer
* @param {Number} offset offset in the output buffer
* @param {Tile} tile offset in the output buffer
* @return {OffsetBuffer} packet
*/
Packet.toBuffer = function(buffer, offset, tile) {
tile = Object.assign({
accelMeasX: 0,
accelMeasY: 0,
accelMeasZ: 0,
reserved0: 0,
userX: 0,
userY: 0,
width: 0,
height: 0,
reserved1: 0,
deviceVersionVendor: 0,
deviceVersionProduct: 0,
deviceVersionVersion: 0,
firmwareBuild: {low: 0, high: 0},
reserved2: {low: 0, high: 0},
firmwareVersionMinor: 0,
firmwareVersionMajor: 0,
reserved3: 0
}, tile);
validate.isUInt16(tile.accelMeasX, 'Tile:accelMeasX');
validate.isUInt16(tile.accelMeasY, 'Tile:accelMeasY');
validate.isUInt16(tile.accelMeasZ, 'Tile:accelMeasZ');
validate.isUInt16(tile.reserved0, 'Tile:reserved0');
validate.isFloat(tile.userX, 'Tile:userX');
validate.isFloat(tile.userY, 'Tile:userY');
validate.isUInt8(tile.width, 'Tile:width');
validate.isUInt8(tile.height, 'Tile:height');
validate.isUInt8(tile.reserved1, 'Tile:reserved1');
validate.isUInt32(tile.deviceVersionVendor, 'Tile:deviceVersionVendor');
validate.isUInt32(tile.deviceVersionProduct, 'Tile:deviceVersionProduct');
validate.isUInt32(tile.deviceVersionVersion, 'Tile:deviceVersionVersion');
validate.isUInt64LowHigh(tile.firmwareBuild, 'Tile:firmwareBuild');
validate.isUInt64LowHigh(tile.reserved2, 'Tile:reserved2');
validate.isUInt16(tile.firmwareVersionMinor, 'Tile:firmwareVersionMinor');
validate.isUInt16(tile.firmwareVersionMajor, 'Tile:firmwareVersionMajor');
validate.isUInt32(tile.reserved3, 'Tile:reserved3');
buffer.writeUInt16LE(tile.accelMeasX, offset);
offset += 2;
buffer.writeUInt16LE(tile.accelMeasY, offset);
offset += 2;
buffer.writeUInt16LE(tile.accelMeasZ, offset);
offset += 2;
buffer.writeUInt16LE(tile.reserved0, offset);
offset += 2;
buffer.writeFloatLE(tile.userX, offset);
offset += 4;
buffer.writeFloatLE(tile.userY, offset);
offset += 4;
buffer.writeUInt8(tile.width, offset);
offset += 1;
buffer.writeUInt8(tile.height, offset);
offset += 1;
buffer.writeUInt8(tile.reserved1, offset);
offset += 1;
buffer.writeUInt32LE(tile.deviceVersionVendor, offset);
offset += 4;
buffer.writeUInt32LE(tile.deviceVersionProduct, offset);
offset += 4;
buffer.writeUInt32LE(tile.deviceVersionVersion, offset);
offset += 4;
buffer.writeUInt32LE(tile.firmwareBuild.low, offset);
offset += 4;
buffer.writeUInt32LE(tile.firmwareBuild.high, offset);
offset += 4;
buffer.writeUInt32LE(tile.reserved2.low, offset);
offset += 4;
buffer.writeUInt32LE(tile.reserved2.high, offset);
offset += 4;
buffer.writeUInt16LE(tile.firmwareVersionMinor, offset);
offset += 2;
buffer.writeUInt16LE(tile.firmwareVersionMajor, offset);
offset += 2;
buffer.writeUInt32LE(tile.reserved3, offset);
offset += 4;
return {offset, buffer};
};
/**
* @typedef {Object} OffsetTile
* @property {Number} offset - offset after the buffer
* @property {Tile} tile - Tile value
*/
/**
* Converts the given packet specific object into a packet
* @param {Buffer} buf tile as buffer
* @param {Number} offset offset to the buffer
* @return {OffsetTile} packet
*/
Packet.toObject = function(buf, offset) {
const tile = {};
tile.accelMeasX = buf.readUInt16LE(offset);
offset += 2;
tile.accelMeasY = buf.readUInt16LE(offset);
offset += 2;
tile.accelMeasZ = buf.readUInt16LE(offset);
offset += 2;
tile.reserved0 = buf.readUInt16LE(offset);
offset += 2;
tile.userX = buf.readFloatLE(offset);
offset += 4;
tile.userY = buf.readFloatLE(offset);
offset += 4;
tile.width = buf.readUInt8(offset);
offset += 1;
tile.height = buf.readUInt8(offset);
offset += 1;
tile.reserved1 = buf.readUInt8(offset);
offset += 1;
tile.deviceVersionVendor = buf.readUInt32LE(offset);
offset += 4;
tile.deviceVersionProduct = buf.readUInt32LE(offset);
offset += 4;
tile.deviceVersionVersion = buf.readUInt32LE(offset);
offset += 4;
tile.firmwareBuild = {
low: buf.readUInt32LE(offset),
high: buf.readUInt32LE(offset + 4)
};
offset += 8;
tile.reserved2 = {
low: buf.readUInt32LE(offset),
high: buf.readUInt32LE(offset + 4)
};
offset += 8;
tile.firmwareVersionMinor = buf.readUInt16LE(offset);
offset += 2;
tile.firmwareVersionMajor = buf.readUInt16LE(offset);
offset += 2;
tile.reserved3 = buf.readUInt32LE(offset);
offset += 4;
return {offset, tile};
};
module.exports = Packet;
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