126 lines
4.1 KiB
JavaScript
126 lines
4.1 KiB
JavaScript
// Decode decodes an array of bytes into an object.
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// - fPort contains the LoRaWAN fPort number
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// - bytes is an array of bytes, e.g. [225, 230, 255, 0]
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// - variables contains the device variables e.g. {"calibration": "3.5"} (both the key / value are of type string)
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// The function must return an object, e.g. {"temperature": 22.5}
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function Decode(fPort, bytes, variables) {
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// O5 Door contact sensor
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if (fPort === 4) {
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return [
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{
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led_state: bytes[0] === 0 ? "Off" : "On",
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mtm_code_1: bytes[1],
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mtm_code_2: bytes[2],
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hw_code: bytes[3],
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battery_level: bytes[4] + "%",
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size_value: bytes[5],
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HALL_1_state: bytes[6] === 1 ? "Door_Open" : "Door_Close",
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HALL_2_state: bytes[7] === 1 ? "Door_Open" : "Door_Close",
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}
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];
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}
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// heart-beat of O5
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else if (fPort === 5) {
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return [
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{
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led_state: (bytes[0] & 0x7f) === 0 ? "Off" : "On",
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battery_level: bytes[4] + " %",
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}
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];
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}
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// R4 soap/sanitizer sensor
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else if (fPort === 7) {
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return [
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{
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led_state: bytes[0] === 0 ? "Off" : "On",
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mtm_code_1: bytes[1],
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mtm_code_2: bytes[2],
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hw_code: bytes[3],
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battery_level: bytes[4] + "%",
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size_value: bytes[5],
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measure_tech: bytes[6] === 0 ? "Capacitive" : "Other",
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liquid_level_event: bytes[7] === 0 ? "Liquid Detected" : "No Liquid",
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}
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];
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}
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// R4 soap/sanitizer heart-beat
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else if (fPort === 8) {
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return [
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{
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led_state: (bytes[0] & 0x7f) === 0 ? "Off" : "On",
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battery_level: bytes[1] + " %",
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}
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];
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}
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// R1D dual roll toilet paper sensor
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else if (fPort === 57) {
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return [
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{
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led_state: bytes[0] === 0 ? "Off" : "On",
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mtm_code_1: bytes[1],
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mtm_code_2: bytes[2],
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hw_code: bytes[3],
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battery_level: bytes[4] + "%",
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size_value: bytes[5],
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distance_1_mm: bytes[6] << 8 | bytes[7],
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distance_2_mm: bytes[8] << 8 | bytes[9],
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distance_unit: "mm",
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}
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];
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}
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// R1D, Heart-beat
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else if (fPort === 58) {
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return [
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{
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led_state: (bytes[0] & 0x7f) === 0 ? "Off" : "On",
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battery_level: bytes[4] + " %",
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}
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];
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}
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// R5 waste bin sensor
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else if (fPort === 11) {
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return [
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{
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led_state: bytes[0] === 0 ? "Off" : "On",
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mtm_code_1: bytes[1],
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mtm_code_2: bytes[2],
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hw_code: bytes[3],
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battery_level: bytes[4] + "%",
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size_value: bytes[5],
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distance_1_mm: (bytes[6] << 8 | bytes[7]),
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//distance_2_mm:bytes[8]*256+bytes[9],
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//distance_3_mm:bytes[10]*256+bytes[11],
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distance_unit: "mm",
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}
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];
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}
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// R5, Heart-beat
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else if (fPort === 12) {
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return [
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{
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led_state: (bytes[0] & 0x7f) === 0 ? "Off" : "On",
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battery_level: bytes[4] + " %",
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}
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];
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}
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// UPLINK, RFAC
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else if (fPort === 1) {
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var data = {};
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data.length = bytes.length;
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if (bytes[0] === 0x59) {
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if (bytes[1] === 0x44) {
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data.Uplink_interval = (bytes[2] - 0x30) * 60 + (bytes[3] - 0x30);
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data.Uplink_interval_unit = String.fromCharCode(bytes[4]);
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}
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else if (bytes[1] === 0x53) {
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data.Heart_Beat_interval = (bytes[2] - 0x30) * 60 + (bytes[3] - 0x30);
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data.Heart_Beat_interval_unit = String.fromCharCode(bytes[4]);
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}
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}
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else if ((bytes[0] === 0x41) && (bytes[1] === 0x43)) {
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data.RFAC = "OK";
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}
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return { "Yunhorn_SmarToilets_data": data };
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}
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} |