81 lines
2.0 KiB
JavaScript
81 lines
2.0 KiB
JavaScript
// bluetoothService.js
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const COMMAND = {
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START_FREE_JUMP_ROPE: 0x03,
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PAUSE: 0x04,
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RESUME: 0x05,
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STOP: 0x06,
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GET_COUNT: 'Get CT',
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START_COUNT: 'Start Count',
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STOP_COUNT: 'Stop Count',
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CLEAN_COUNT: 'Clean Count'
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};
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const DEVICE_TYPE = {
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YD_O1: 'YD-O1',
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YD_Jump: 'YD_Jump'
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};
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function startFreeJumpRope(deviceId, serviceId, type) {
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const characteristic = wx.getStorageSync('writeCharacteristic');
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if (!characteristic) {
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console.error('没有可写的特征值');
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return;
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}
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const commandData = new ArrayBuffer(4);
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const dataView = new DataView(commandData);
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dataView.setUint8(0, COMMAND.START_FREE_JUMP_ROPE);
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dataView.setUint8(1, type);
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dataView.setUint8(2, 0x00);
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dataView.setUint8(3, 0x00);
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wx.writeBLECharacteristicValue({
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deviceId: deviceId,
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serviceId: serviceId,
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characteristicId: characteristic,
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value: commandData,
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success: () => {
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console.log("自由跳绳已启动！");
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},
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fail: (error) => {
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console.error("启动自由跳绳失败", error);
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}
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});
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}
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function sendCommandJump(deviceId, serviceId, codeStr) {
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const characteristic = wx.getStorageSync('writeCharacteristic');
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if (!characteristic) {
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console.error('没有可写的特征值');
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return;
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}
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const startCommand = `$${codeStr}!`;
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const commandData = stringToArrayBuffer(startCommand);
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wx.writeBLECharacteristicValue({
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deviceId: deviceId,
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serviceId: serviceId,
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characteristicId: characteristic,
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value: commandData,
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success: () => {
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console.log(codeStr, "命令发送成功");
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},
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fail: (error) => {
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console.error(codeStr, "命令发送失败", error);
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}
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});
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}
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function stringToArrayBuffer(str) {
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const buffer = new ArrayBuffer(str.length);
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const view = new Uint8Array(buffer);
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for (let i = 0; i < str.length; i++) {
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view[i] = str.charCodeAt(i) & 0xFF;
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}
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return buffer;
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}
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module.exports = {
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COMMAND,
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DEVICE_TYPE,
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startFreeJumpRope,
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sendCommandJump
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}; |