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Get sysex working

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split sysex message into sysexid and sysexdata
sysexid is a device identification number or array
sysexdata is an array of data to be sent to the device
This commit is contained in:
nkymut 2025-01-18 14:31:11 +08:00
parent e085819fe2
commit 13a4512601
5 changed files with 190 additions and 29 deletions
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71
packages/midi/midi.mjs
View file

@ -8,6 +8,7 @@ import * as _WebMidi from 'webmidi';
import { Pattern, getEventOffsetMs, isPattern, logger, ref } from '@strudel/core';
import { noteToMidi } from '@strudel/core';
import { Note } from 'webmidi';
// if you use WebMidi from outside of this package, make sure to import that instance:
export const { WebMidi } = _WebMidi;
@ -43,13 +44,16 @@ export function enableWebMidi(options = {}) {
resolve(WebMidi);
return;
}
WebMidi.enable((err) => {
if (err) {
reject(err);
}
onReady?.(WebMidi);
resolve(WebMidi);
});
WebMidi.enable(
(err) => {
if (err) {
reject(err);
}
onReady?.(WebMidi);
resolve(WebMidi);
},
{ sysex: true },
);
});
}
@ -134,7 +138,20 @@ Pattern.prototype.midi = function (output) {
// passing a string with a +num into the webmidi api adds an offset to the current time https://webmidijs.org/api/classes/Output
const timeOffsetString = `+${getEventOffsetMs(targetTime, currentTime) + latencyMs}`;
// destructure value
let { note, nrpnn, nrpv, ccn, ccv, midichan = 1, midicmd, gain = 1, velocity = 0.9, pc, sysex } = hap.value;
let {
note,
nrpnn,
nrpv,
ccn,
ccv,
midichan = 1,
midicmd,
gain = 1,
velocity = 0.9,
pc,
sysexid,
sysexdata,
} = hap.value;
velocity = gain * velocity;
@ -173,15 +190,18 @@ Pattern.prototype.midi = function (output) {
throw new Error(`Expected ${name} to be a number between 0 and 127 for program change`);
}
device.sendProgramChange(value, paramSpec.channel || midichan, { time: timeOffsetString });
} else if (paramSpec.sysex) {
if (!Array.isArray(value)) {
throw new Error(`Expected ${name} to be an array of numbers (0-255) for sysex`);
}
if (!value.every((byte) => Number.isInteger(byte) && byte >= 0 && byte <= 255)) {
throw new Error(`All sysex bytes in ${name} must be integers between 0 and 255`);
}
device.sendSysex(undefined, value, { time: timeOffsetString });
}
// ToDo: support sysex for mapped parameters
// } else if (paramSpec.sysex) {
// if (!Array.isArray(value)) {
// throw new Error(`Expected ${name} to be an array of numbers (0-255) for sysex`);
// }
// if (!value.every((byte) => Number.isInteger(byte) && byte >= 0 && byte <= 255)) {
// throw new Error(`All sysex bytes in ${name} must be integers between 0 and 255`);
// }
// device.sendSysex(0x43, value, { time: timeOffsetString });
// //device.sendSysex(0x43, [0x79, 0x09, 0x11, 0x0A, 0x00,0x02], { time: timeOffsetString });
// }
}
});
}
@ -193,14 +213,25 @@ Pattern.prototype.midi = function (output) {
device.sendProgramChange(pc, midichan, { time: timeOffsetString });
}
// Handle sysex
if (sysex !== undefined) {
if (!Array.isArray(sysex)) {
if (sysexid !== undefined && sysexdata !== undefined) {
//console.log('sysex', sysexid, sysexdata);
if (Array.isArray(sysexid)) {
if (!sysexid.every((byte) => Number.isInteger(byte) && byte >= 0 && byte <= 255)) {
throw new Error('all sysexid bytes must be integers between 0 and 255');
}
} else if (!Number.isInteger(sysexid) || sysexid < 0 || sysexid > 255) {
throw new Error('A:sysexid must be an number between 0 and 255 or an array of such integers');
}
if (!Array.isArray(sysexdata)) {
throw new Error('expected sysex to be an array of numbers (0-255)');
}
if (!sysex.every((byte) => Number.isInteger(byte) && byte >= 0 && byte <= 255)) {
if (!sysexdata.every((byte) => Number.isInteger(byte) && byte >= 0 && byte <= 255)) {
throw new Error('all sysex bytes must be integers between 0 and 255');
}
device.sendSysex(undefined, sysex, { time: timeOffsetString });
device.sendSysex(sysexid, sysexdata, { time: timeOffsetString });
//device.sendSysex(0x43, [0x79, 0x09, 0x11, 0x0A, 0x00,0x1e], { time: timeOffsetString });
}
// Handle control change