ocoge/blocks/sensors/bme280/index.js

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JavaScript
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/********* */
/** BME280 */
/********* */
Blockly.Blocks['ugj_bme280'] = {
init: function () {
this.appendDummyInput()
.appendField("BME280アドレス")
.appendField(new Blockly.FieldDropdown([["0x76", "0x76"], ["0x77", "0x77"]]), "addr")
.appendField(")の計測値を取得");
this.setInputsInline(true);
this.setPreviousStatement(true, null);
this.setNextStatement(true, null);
this.setStyle('sensor_blocks');
this.setTooltip("環境センサーBME280で、気温摂氏、湿度、気圧hPaを計測します。計測結果は計測値ブロックで参照します。");
this.setHelpUrl("");
}
};
Blockly.JavaScript['ugj_bme280'] = function (block) {
var dropdown_addr = block.getFieldValue('addr');
Blockly.JavaScript.provideFunction_(
'require_gpio', [`const _pi = require('@ocogeclub/` + elutil.gpio_backend + `');`]
);
let modpath = elutil.path.join(elutil.blocks_sensors_dir, 'bme280', 'BME280x.js');
Blockly.JavaScript.provideFunction_(
'require_bme280', [`const _bme280 = require('${modpath}');`]
);
var code = `const options = {
i2cBusNo: ${elutil.i2c_bus},
i2cAddress: ${dropdown_addr}
};
await _bme280.init(options);
let _thp = await _bme280.readSensorData();
let _bmedata = [];
_bmedata[0] = Math.round(_thp.temperature_C * 10) / 10;
_bmedata[1] = Math.round(_thp.humidity * 10) / 10;
_bmedata[2] = Math.round(_thp.pressure_hPa);
await _bme280.cancel();
`;
return code;
};
Blockly.Blocks['ugj_bme280_data'] = {
init: function () {
this.appendDummyInput()
.appendField(new Blockly.FieldDropdown([["気温", "0"], ["湿度", "1"], ["気圧", "2"]]), "thp");
this.setInputsInline(true);
this.setOutput(true, null);
this.setStyle('sensor_blocks');
this.setTooltip("BME280 の計測値を返します。");
this.setHelpUrl("");
}
};
Blockly.JavaScript['ugj_bme280_data'] = function (block) {
var dropdown_thp = block.getFieldValue('thp');
var code = `_bmedata[${dropdown_thp}]`;
return [code, Blockly.JavaScript.ORDER_ATOMIC];
};