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add decoder.js

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Yunhorn 2024-04-18 17:37:17 +08:00
parent 1348672e6b
commit b2886971ca
2 changed files with 131 additions and 0 deletions
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5
STM32CubeIDE/.project
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@ -32,6 +32,11 @@
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
</natures>
<linkedResources>
<link>
<name>Doc/as923_jp_decoder.js</name>
<type>1</type>
<locationURI>copy_PARENT/as923_jp_decoder.js</locationURI>
</link>
<link>
<name>Doc/readme.txt</name>
<type>1</type>

126
as923_jp_decoder.js Normal file
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@ -0,0 +1,126 @@
// Decode decodes an array of bytes into an object.
// - fPort contains the LoRaWAN fPort number
// - bytes is an array of bytes, e.g. [225, 230, 255, 0]
// - variables contains the device variables e.g. {"calibration": "3.5"} (both the key / value are of type string)
// The function must return an object, e.g. {"temperature": 22.5}
function Decode(fPort, bytes, variables) {
// O5 Door contact sensor
if (fPort === 4) {
return [
{
led_state: bytes[0] === 0 ? "Off" : "On",
mtm_code_1: bytes[1],
mtm_code_2: bytes[2],
hw_code: bytes[3],
battery_level: bytes[4] + "%",
size_value: bytes[5],
HALL_1_state: bytes[6] === 1 ? "Door_Open" : "Door_Close",
HALL_2_state: bytes[7] === 1 ? "Door_Open" : "Door_Close",
}
];
}
// heart-beat of O5
else if (fPort === 5) {
return [
{
led_state: (bytes[0] & 0x7f) === 0 ? "Off" : "On",
battery_level: bytes[4] + " %",
}
];
}
// R4 soap/sanitizer sensor
else if (fPort === 7) {
return [
{
led_state: bytes[0] === 0 ? "Off" : "On",
mtm_code_1: bytes[1],
mtm_code_2: bytes[2],
hw_code: bytes[3],
battery_level: bytes[4] + "%",
size_value: bytes[5],
measure_tech: bytes[6] === 0 ? "Capacitive" : "Other",
liquid_level_event: bytes[7] === 0 ? "Liquid Detected" : "No Liquid",
}
];
}
// R4 soap/sanitizer heart-beat
else if (fPort === 8) {
return [
{
led_state: (bytes[0] & 0x7f) === 0 ? "Off" : "On",
battery_level: bytes[1] + " %",
}
];
}
// R1D dual roll toilet paper sensor
else if (fPort === 57) {
return [
{
led_state: bytes[0] === 0 ? "Off" : "On",
mtm_code_1: bytes[1],
mtm_code_2: bytes[2],
hw_code: bytes[3],
battery_level: bytes[4] + "%",
size_value: bytes[5],
distance_1_mm: bytes[6] << 8 | bytes[7],
distance_2_mm: bytes[8] << 8 | bytes[9],
distance_unit: "mm",
}
];
}
// R1D, Heart-beat
else if (fPort === 58) {
return [
{
led_state: (bytes[0] & 0x7f) === 0 ? "Off" : "On",
battery_level: bytes[4] + " %",
}
];
}
// R5 waste bin sensor
else if (fPort === 11) {
return [
{
led_state: bytes[0] === 0 ? "Off" : "On",
mtm_code_1: bytes[1],
mtm_code_2: bytes[2],
hw_code: bytes[3],
battery_level: bytes[4] + "%",
size_value: bytes[5],
distance_1_mm: (bytes[6] << 8 | bytes[7]),
//distance_2_mm:bytes[8]*256+bytes[9],
//distance_3_mm:bytes[10]*256+bytes[11],
distance_unit: "mm",
}
];
}
// R5, Heart-beat
else if (fPort === 12) {
return [
{
led_state: (bytes[0] & 0x7f) === 0 ? "Off" : "On",
battery_level: bytes[4] + " %",
}
];
}
// UPLINK, RFAC
else if (fPort === 1) {
var data = {};
data.length = bytes.length;
if (bytes[0] === 0x59) {
if (bytes[1] === 0x44) {
data.Uplink_interval = (bytes[2] - 0x30) * 60 + (bytes[3] - 0x30);
data.Uplink_interval_unit = String.fromCharCode(bytes[4]);
}
else if (bytes[1] === 0x53) {
data.Heart_Beat_interval = (bytes[2] - 0x30) * 60 + (bytes[3] - 0x30);
data.Heart_Beat_interval_unit = String.fromCharCode(bytes[4]);
}
}
else if ((bytes[0] === 0x41) && (bytes[1] === 0x43)) {
data.RFAC = "OK";
}
return { "Yunhorn_SmarToilets_data": data };
}
}