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This commit is contained in:
Felix Roos 2022-12-13 21:32:03 +01:00
parent 67ad82d52e
commit bf1ba6efc0
17 changed files with 75 additions and 78 deletions
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23
packages/serial/serial.mjs
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@ -23,17 +23,16 @@ export async function getWriter(br = 38400) {
const encoder = new TextEncoder();
const writer = port.writable.getWriter();
writeMessage = function (message, chk) {
const encoded = encoder.encode(message)
const encoded = encoder.encode(message);
if (!chk) {
writer.write(encoded);
}
else {
} else {
const bytes = new Uint8Array(4);
bytes[0] = 124; // | symbol
bytes[1] = (chk >> 8) & 0xFF;
bytes[2] = chk & 0xFF;
bytes[1] = (chk >> 8) & 0xff;
bytes[2] = chk & 0xff;
bytes[3] = 59; // semicolon
const withchk = new Uint8Array(encoded.length+4)
const withchk = new Uint8Array(encoded.length + 4);
withchk.set(encoded);
withchk.set(bytes, encoded.length);
writer.write(withchk);
@ -48,12 +47,12 @@ const latency = 0.1;
// crc16 (CCITT-FALSE) https://gist.github.com/tijnkooijmans/10981093
function crc16(data) {
const length = data.length
const length = data.length;
if (length == 0) {
return 0;
}
var crc = 0xFFFF;
var crc = 0xffff;
for (var i = 0; i < length; ++i) {
crc ^= data.charCodeAt(i) << 8;
for (var j = 0; j < 8; ++j) {
@ -64,7 +63,7 @@ function crc16(data) {
return crc & 0xffff;
}
Pattern.prototype.serial = function (br=38400,sendcrc=false,singlecharids=false) {
Pattern.prototype.serial = function (br = 38400, sendcrc = false, singlecharids = false) {
return this.withHap((hap) => {
if (!writeMessage) {
getWriter(br);
@ -96,7 +95,7 @@ Pattern.prototype.serial = function (br=38400,sendcrc=false,singlecharids=false)
}
message += ')';
if (sendcrc) {
chk = crc16(message)
chk = crc16(message);
}
} else {
for (const [key, val] of Object.entries(hap.value)) {
@ -108,7 +107,9 @@ Pattern.prototype.serial = function (br=38400,sendcrc=false,singlecharids=false)
}
const offset = (time - currentTime + latency) * 1000;
window.setTimeout(function () {writeMessage(message, chk)}, offset);
window.setTimeout(function () {
writeMessage(message, chk);
}, offset);
};
return hap.setContext({ ...hap.context, onTrigger, dominantTrigger: true });
});