feat: 全量同步 254 个常用的 Arduino 扩展库文件

arduino-libs/arduino-cli/libraries/RL_AHT21/src/RL_AHT21.cpp

@@ -0,0 +1,140 @@
+#include <stdint.h>
+#include <math.h>
+#include <Arduino.h>
+#include <Wire.h>
+#include "RL_AHT21.h"
+
+// Specify the constants for water vapor and barometric pressure.
+#define WATER_VAPOR 17.62f
+#define BAROMETRIC_PRESSURE 243.5f
+
+Sensor_CMD eSensorCalibrateCmd[3] = {0x1B, 0x1C, 0x1E};
+Sensor_CMD eSensorNormalCmd[3]    = {0xBE, 0x00, 0x00};
+Sensor_CMD eSensorMeasureCmd[3]   = {0xAC, 0x30, 0x00};
+Sensor_CMD eSensorResetCmd        = 0xBA;
+boolean    GetRHumidityCmd        = true;
+boolean    GetTempCmd             = false;
+
+/******************************************************************************
+ * Global Functions
+ ******************************************************************************/
+AHT21Class::AHT21Class() {
+}
+
+boolean AHT21Class::begin(unsigned char _AHT21_address)
+{
+    AHT21_address = _AHT21_address;
+    Serial.begin(9600);
+    //Serial.println("\x54\x68\x69\x6E\x61\x72\x79\x20\x45\x6C\x65\x74\x72\x6F\x6E\x69\x63\x20\x41\x48\x54\x31\x30\x20\x4D\x6F\x64\x75\x6C\x65\x2E");
+    delay(100);
+    Wire.begin(AHT21_address);
+    Wire.beginTransmission(AHT21_address);
+    Wire.write(eSensorCalibrateCmd, 3);
+    Wire.endTransmission();
+    //Serial.println("https://thinaryelectronic.aliexpress.com");
+    delay(500);
+    if((readStatus()&0x18) == 0x18)
+        return true;
+    else
+    {
+        return false;
+    }
+    
+}
+
+/**********************************************************
+ * GetHumidity
+ *  Gets the current humidity from the sensor.
+ *
+ * @return float - The relative humidity in %RH
+ **********************************************************/
+float AHT21Class::GetHumidity(void)
+{
+    float value = readSensor(GetRHumidityCmd);
+    if (value == 0) {
+        return 0;                       // Some unrealistic value
+    }
+    return value * 100 / 1048576;
+}
+
+/**********************************************************
+ * GetTemperature
+ *  Gets the current temperature from the sensor.
+ *
+ * @return float - The temperature in Deg C
+ **********************************************************/
+float AHT21Class::GetTemperature(void)
+{
+    float value = readSensor(GetTempCmd);
+    return ((200 * value) / 1048576) - 50;
+}
+
+/**********************************************************
+ * GetDewPoint
+ *  Gets the current dew point based on the current humidity and temperature
+ *
+ * @return float - The dew point in Deg C
+ **********************************************************/
+float AHT21Class::GetDewPoint(void)
+{
+  float humidity = GetHumidity();
+  float temperature = GetTemperature();
+
+  // Calculate the intermediate value 'gamma'
+  float gamma = log(humidity / 100) + WATER_VAPOR * temperature / (BAROMETRIC_PRESSURE + temperature);
+  // Calculate dew point in Celsius
+  float dewPoint = BAROMETRIC_PRESSURE * gamma / (WATER_VAPOR - gamma);
+
+  return dewPoint;
+}
+
+/******************************************************************************
+ * Private Functions
+ ******************************************************************************/
+
+unsigned long AHT21Class::readSensor(boolean GetDataCmd)
+{
+    unsigned long result,temp[7];
+    
+
+    Wire.beginTransmission(AHT21_address);
+    Wire.write(eSensorMeasureCmd, 3);
+    Wire.endTransmission();
+    
+    delay(300);
+
+    Wire.requestFrom(AHT21_address, 6);
+
+    for(unsigned char i = 0; Wire.available() > 0; i++)
+    {
+        temp[i] = Wire.read();
+    }   
+
+    if(GetDataCmd)
+    {
+        result = ((temp[1] << 16) | (temp[2] << 8) | temp[3]) >> 4;
+    }
+    else
+    {
+        result = ((temp[3] & 0x0F) << 16) | (temp[4] << 8) | temp[5];
+    }
+
+    return result;
+}
+
+unsigned char AHT21Class::readStatus(void)
+{
+    unsigned char result = 0;
+
+    Wire.requestFrom(AHT21_address, 1);
+    result = Wire.read();
+    return result;
+}
+
+void AHT21Class::Reset(void)
+{
+    Wire.beginTransmission(AHT21_address);
+    Wire.write(eSensorResetCmd);
+    Wire.endTransmission();
+    delay(20);
+}

arduino-libs/arduino-cli/libraries/RL_AHT21/src/RL_AHT21.h

@@ -0,0 +1,51 @@
+/*
+  AHT21 - A Humidity Library for Arduino.
+
+  Supported Sensor modules:
+    AHT21-Breakout Module - https://www.aliexpress.com/item/33002710848.html
+
+  Created by Thinary Eletronic at Modern Device on April 2019.
+
+ * This file is part of Thinary_AHT21.
+ *
+ * Thinary_AHT21 is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or(at your option) any later version.
+ *
+ * Sodaq_SHT2x is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Thinary_AHT21.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef RL_AHT21_H
+#define RL_AHT21_H
+
+#include <stdint.h>
+
+
+
+typedef unsigned char Sensor_CMD;
+
+class AHT21Class
+{
+  private:
+    unsigned long readSensor(boolean GetDataCmd);
+    unsigned char AHT21_address;
+  public:
+    AHT21Class();
+    boolean begin(unsigned char _AHT21_address = 0x38);
+    float GetHumidity(void);
+    float GetTemperature(void);
+    float GetDewPoint(void);
+    unsigned char readStatus(void);
+    void Reset(void);
+};
+
+#endif