iobroker.i2c
Version:
Communicates with devices over I2C bus.
40 lines • 2.04 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.BigEndianDeviceHandlerBase = void 0;
const shared_1 = require("../lib/shared");
const device_handler_base_1 = require("./device-handler-base");
function swapWord(value) {
return ((value >> 8) & 0xff) | ((value << 8) & 0xff00);
}
class BigEndianDeviceHandlerBase extends device_handler_base_1.DeviceHandlerBase {
constructor(deviceConfig, adapter) {
super(deviceConfig, adapter);
this.address = deviceConfig.address;
}
readWord(command) {
return __awaiter(this, void 0, void 0, function* () {
let word = yield this.adapter.i2cBus.readWord(this.address, command);
word = swapWord(word);
this.silly(`readWord(${(0, shared_1.toHexString)(command)}): ${(0, shared_1.toHexString)(word, 4)}`);
return word;
});
}
writeWord(command, word) {
return __awaiter(this, void 0, void 0, function* () {
this.silly(`writeWord(${(0, shared_1.toHexString)(command)}, ${(0, shared_1.toHexString)(word, 4)})`);
word = swapWord(word);
return yield this.adapter.i2cBus.writeWord(this.address, command, word);
});
}
}
exports.BigEndianDeviceHandlerBase = BigEndianDeviceHandlerBase;
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