Added artificial (read: client side) timing for motors on the WeDo 2.0 Smart Hub
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Nathan Kunicki
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137929607f
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29
DOCS.md
29
DOCS.md
@ -296,8 +296,8 @@ Emits when an attached motor or sensor is detached from the Hub.
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* [new WeDo2Hub()](#new_WeDo2Hub_new)
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* [.setLEDColor(color)](#WeDo2Hub+setLEDColor) ⇒ <code>Promise</code>
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* [.setLEDRGB(red, green, blue)](#WeDo2Hub+setLEDRGB) ⇒ <code>Promise</code>
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* [.setMotorSpeed(port, speed, [time])](#WeDo2Hub+setMotorSpeed) ⇒ <code>Promise</code>
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* [.playSound(frequency, time)](#WeDo2Hub+playSound) ⇒ <code>Promise</code>
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* [.setMotorSpeed(port, speed)](#WeDo2Hub+setMotorSpeed) ⇒ <code>Promise</code>
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* [.connect()](#Hub+connect) ⇒ <code>Promise</code>
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* [.disconnect()](#Hub+disconnect) ⇒ <code>Promise</code>
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* [.subscribe(port, [mode])](#Hub+subscribe) ⇒ <code>Promise</code>
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@ -343,6 +343,20 @@ Set the color of the LED on the Hub via RGB values.
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| green | <code>number</code> |
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| blue | <code>number</code> |
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<a name="WeDo2Hub+setMotorSpeed"></a>
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### weDo2Hub.setMotorSpeed(port, speed, [time]) ⇒ <code>Promise</code>
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Set the motor speed on a given port.
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**Kind**: instance method of [<code>WeDo2Hub</code>](#WeDo2Hub)
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**Returns**: <code>Promise</code> - Resolved upon successful completion of command. If time is specified, this is once the motor is finished.
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| Param | Type | Description |
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| --- | --- | --- |
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| port | <code>string</code> | |
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| speed | <code>number</code> | For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0. |
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| [time] | <code>number</code> | How long to activate the motor for (in milliseconds). Leave empty to turn the motor on indefinitely. |
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<a name="WeDo2Hub+playSound"></a>
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### weDo2Hub.playSound(frequency, time) ⇒ <code>Promise</code>
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@ -356,19 +370,6 @@ Play a sound on the Hub's in-built buzzer
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| frequency | <code>number</code> | |
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| time | <code>number</code> | How long the sound should play for (in milliseconds). |
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<a name="WeDo2Hub+setMotorSpeed"></a>
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### weDo2Hub.setMotorSpeed(port, speed) ⇒ <code>Promise</code>
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Set the motor speed on a given port.
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**Kind**: instance method of [<code>WeDo2Hub</code>](#WeDo2Hub)
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**Returns**: <code>Promise</code> - Resolved upon successful issuance of command.
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| Param | Type | Description |
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| --- | --- | --- |
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| port | <code>string</code> | |
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| speed | <code>number</code> | For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0. |
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<a name="Hub+connect"></a>
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### weDo2Hub.connect() ⇒ <code>Promise</code>
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29
README.md
29
README.md
@ -346,8 +346,8 @@ Emits when an attached motor or sensor is detached from the Hub.
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* [new WeDo2Hub()](#new_WeDo2Hub_new)
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* [.setLEDColor(color)](#WeDo2Hub+setLEDColor) ⇒ <code>Promise</code>
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* [.setLEDRGB(red, green, blue)](#WeDo2Hub+setLEDRGB) ⇒ <code>Promise</code>
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* [.setMotorSpeed(port, speed, [time])](#WeDo2Hub+setMotorSpeed) ⇒ <code>Promise</code>
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* [.playSound(frequency, time)](#WeDo2Hub+playSound) ⇒ <code>Promise</code>
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* [.setMotorSpeed(port, speed)](#WeDo2Hub+setMotorSpeed) ⇒ <code>Promise</code>
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* [.connect()](#Hub+connect) ⇒ <code>Promise</code>
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* [.disconnect()](#Hub+disconnect) ⇒ <code>Promise</code>
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* [.subscribe(port, [mode])](#Hub+subscribe) ⇒ <code>Promise</code>
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@ -393,6 +393,20 @@ Set the color of the LED on the Hub via RGB values.
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| green | <code>number</code> |
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| blue | <code>number</code> |
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<a name="WeDo2Hub+setMotorSpeed"></a>
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### weDo2Hub.setMotorSpeed(port, speed, [time]) ⇒ <code>Promise</code>
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Set the motor speed on a given port.
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**Kind**: instance method of [<code>WeDo2Hub</code>](#WeDo2Hub)
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**Returns**: <code>Promise</code> - Resolved upon successful completion of command. If time is specified, this is once the motor is finished.
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| Param | Type | Description |
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| --- | --- | --- |
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| port | <code>string</code> | |
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| speed | <code>number</code> | For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0. |
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| [time] | <code>number</code> | How long to activate the motor for (in milliseconds). Leave empty to turn the motor on indefinitely. |
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<a name="WeDo2Hub+playSound"></a>
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### weDo2Hub.playSound(frequency, time) ⇒ <code>Promise</code>
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@ -406,19 +420,6 @@ Play a sound on the Hub's in-built buzzer
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| frequency | <code>number</code> | |
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| time | <code>number</code> | How long the sound should play for (in milliseconds). |
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<a name="WeDo2Hub+setMotorSpeed"></a>
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### weDo2Hub.setMotorSpeed(port, speed) ⇒ <code>Promise</code>
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Set the motor speed on a given port.
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**Kind**: instance method of [<code>WeDo2Hub</code>](#WeDo2Hub)
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**Returns**: <code>Promise</code> - Resolved upon successful issuance of command.
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| Param | Type | Description |
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| --- | --- | --- |
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| port | <code>string</code> | |
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| speed | <code>number</code> | For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0. |
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<a name="Hub+connect"></a>
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### weDo2Hub.connect() ⇒ <code>Promise</code>
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@ -116,7 +116,7 @@ export class LPF2Hub extends Hub {
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* @param {number} [time] How long to activate the motor for (in milliseconds). Leave empty to turn the motor on indefinitely.
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* @returns {Promise} Resolved upon successful completion of command. If time is specified, this is once the motor is finished.
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*/
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public setMotorSpeed (port: string, speed: number, time: number) {
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public setMotorSpeed (port: string, speed: number, time?: number) {
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return new Promise((resolve, reject) => {
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const portObj = this._ports[port];
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if (time) {
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11
wedo2hub.ts
11
wedo2hub.ts
@ -95,12 +95,17 @@ export class WeDo2Hub extends Hub {
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* @method WeDo2Hub#setMotorSpeed
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* @param {string} port
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* @param {number} speed For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0.
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* @returns {Promise} Resolved upon successful issuance of command.
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* @param {number} [time] How long to activate the motor for (in milliseconds). Leave empty to turn the motor on indefinitely.
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* @returns {Promise} Resolved upon successful completion of command. If time is specified, this is once the motor is finished.
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*/
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public setMotorSpeed (port: string, speed: number) {
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public setMotorSpeed (port: string, speed: number, time?: number) {
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return new Promise((resolve, reject) => {
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this._writeMessage(Consts.BLECharacteristics.WEDO2_MOTOR_VALUE_WRITE, Buffer.from([this._ports[port].value, 0x01, 0x02, this._mapSpeed(speed)]));
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return resolve();
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if (time) {
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setTimeout(resolve, time);
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} else {
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return resolve();
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}
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});
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}
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