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DEV-868 #47

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334e8d3
update
JongChern Jul 11, 2026
584266e
Update index.html
JongChern Jul 17, 2026
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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,8 @@ Migration work has already started on the [`copilot/restructure-repo-for-api-sup

[Spell Caster — Gyro Demo](https://shimmerresearch.github.io/webBLEDemos/spell-gyro/)

[DJ Gyro — 3D Turntable Scratch Demo](https://shimmerresearch.github.io/webBLEDemos/dj-gyro/)

[Shimmer Capture](https://shimmerresearch.github.io/webBLEDemos/ShimmerCapture/)

[Shimmer3R Chrome Extension](https://github.com/ShimmerEngineering/webBLEDemos/tree/main/shimmer-extension) source code only, will require loading this locally via Chrome
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35 changes: 34 additions & 1 deletion ShimmerAPI/shimmer3r.js
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Expand Up @@ -3,7 +3,7 @@
// Your note: "timestamp is u24, so layout is: 0x00 [u24 timestamp] <channel samples...>"
// This build defaults to u24, and you can also pass { timestampFmt: 'u24' } in the constructor.

const OPCODES = { DATA: 0x00, INQUIRY_CMD: 0x01, INQUIRY_RSP: 0x02, START_STREAM: 0x07, STOP_STREAM: 0x20, ACK: 0xFF, SAMPLING_RATE: 0x05, SET_SENSORS_CMD: 0x08, SET_GSR_RANGE: 0x21, SET_INTERNAL_EXP_POWER_ENABLE_CMD: 0x5E, START_BT_STEAM_SD_Logging: 0x70, STOP_BT_STEAM_SD_Logging: 0x97};
const OPCODES = { DATA: 0x00, INQUIRY_CMD: 0x01, INQUIRY_RSP: 0x02, START_STREAM: 0x07, STOP_STREAM: 0x20, ACK: 0xFF, SAMPLING_RATE: 0x05, SET_SENSORS_CMD: 0x08, SET_GSR_RANGE: 0x21, SET_GYRO_RANGE: 0x49, SET_INTERNAL_EXP_POWER_ENABLE_CMD: 0x5E, START_BT_STEAM_SD_Logging: 0x70, STOP_BT_STEAM_SD_Logging: 0x97};

const DEFAULTS = {
SERVICE_UUID: '65333333-a115-11e2-9e9a-0800200ca100',
Expand Down Expand Up @@ -292,6 +292,39 @@ export class Shimmer3RClient {
return { gsrRange, ackRemainder };
}

/**
* Set the gyro range (SET_MPU9150_GYRO_RANGE_COMMAND, 0x49).
* Shimmer3R: 0 = ±125dps, 1 = ±250dps, 2 = ±500dps, 3 = ±1000dps, 4 = ±2000dps, 5 = ±4000dps.
* (Shimmer3 only supports 0–3: ±250/500/1000/2000dps.)
*/
async setGyroRange(gyroRange) {
if (!Number.isInteger(gyroRange) || gyroRange < 0 || gyroRange > 5) {
throw new Error('gyro range must be a 0-5 value');
}
if (!this.rx) throw new Error('Not connected (RX missing)');

const cmd = new Uint8Array([
OPCODES.SET_GYRO_RANGE,
gyroRange & 0xFF,
]);

this._emitStatus(
`SET_GYRO_RANGE → waiting for ACK…`
);

const ackRemainder = await this._writeExpectingAck(cmd, 1500);

this._emitStatus(
`SET_GYRO_RANGE (ACK received).`
);
this.gyroRangeSetting = gyroRange;
return { gyroRange, ackRemainder };
}

getGyroRange() {
return this.gyroRangeSetting;
}

getInternalExpPower(){
return this.ExpPower;
}
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