Add I2C HP303B Sensor exmaples

.github/workflows/platformio.yml

@@ -47,7 +47,8 @@ jobs:
             examples/MqttsBuiltlnHivemq,
             examples/HttpsBuiltlnGet,
             examples/HttpsBuiltlnPost,
-            examples/HttpsOTAUpgrade
+            examples/HttpsOTAUpgrade,
+            examples/HP303BSensor
           ]
 
     steps:

README.md

@@ -54,6 +54,8 @@
 | HttpsBuiltlnGet    | ✅                 | ✅                  | ✅                  | ✅               | ✅                  | ✅               |
 | HttpsBuiltlnPost   | ✅                 | ✅                  | ✅                  | ✅               | ✅                  | ✅               |
 | HttpsOTAUpgrade    | ✅                 | ✅                  | ✅                  | ✅               | ✅                  | ✅               |
+| HP303BSensor       | ✅                 | ✅                  | ✅                  | ✅               | ✅                  | ✅               |
+
 
 # Quick start ⚡
 

examples/HP303BSensor/HP303BSensor.ino

@@ -0,0 +1,84 @@
+/**
+ * @file      HP303BSensor.ino
+ * @author    Lewis He ([email protected])
+ * @license   MIT
+ * @copyright Copyright (c) 2023  Shenzhen Xin Yuan Electronic Technology Co., Ltd
+ * @date      2023-11-30
+ * !!         The sensor does not exist on any board. 
+ * !!         You need to connect the external sensor to the specified pin through wiring before it can be used.
+ * !!         If the external module does not have a pull-up resistor, 
+ * !!         maybe the sketch will not work correctly, please confirm whether the module used has a pull-up resistor
+ */
+#include <Arduino.h>
+#include <Wire.h>
+#include "src/LOLIN_HP303B.h"       //https://github.com/wemos/LOLIN_HP303B_Library
+
+
+LOLIN_HP303B HP303BPressureSensor;
+
+// Default HP303B Address 0x77 , may be is 0x76
+const uint8_t slaveAddress = 0x77;
+
+// !Configure I2C Pins , Change the Pin here to the Pin you need to use, esp can automatically route I2C to any Pin
+// !Please note that if the core used is ESP32, please remember that IO33 and above can only be configured as input and cannot be used as output.
+// !Please confirm the correct Pin, this is just a demonstration
+const uint8_t i2c_sda = 21;
+const uint8_t i2c_scl = 22;
+
+
+void setup(void)
+{
+    Serial.begin(115200);
+
+    Wire.begin(i2c_sda,i2c_scl);
+
+    HP303BPressureSensor.begin(slaveAddress);
+
+}
+
+void loop()
+{
+    int32_t temperature;
+    int32_t pressure;
+    int16_t oversampling = 7;
+    int16_t ret, ret1;
+
+    Serial.println();
+    //lets the HP303B perform a Single temperature measurement with the last (or standard) configuration
+    //The result will be written to the paramerter temperature
+    //ret = HP303BPressureSensor.measureTempOnce(temperature);
+    //the commented line below does exactly the same as the one above, but you can also config the precision
+    //oversampling can be a value from 0 to 7
+    //the HP303B will perform 2^oversampling internal temperature measurements and combine them to one result with higher precision
+    //measurements with higher precision take more time, consult datasheet for more information
+    ret = HP303BPressureSensor.measureTempOnce(temperature, oversampling);
+
+    if (ret != 0) {
+        //Something went wrong.
+        //Look at the library code for more information about return codes
+        Serial.print("FAIL! ret = ");
+        Serial.println(ret);
+    } else {
+        Serial.print("Temperature: ");
+        Serial.print(temperature);
+        Serial.println(" degrees of Celsius");
+    }
+
+    //Pressure measurement behaves like temperature measurement
+    //ret = HP303BPressureSensor.measurePressureOnce(pressure);
+    ret1 = HP303BPressureSensor.measurePressureOnce(pressure, oversampling);
+    if (ret1 != 0) {
+        //Something went wrong.
+        //Look at the library code for more information about return codes
+        Serial.print("FAIL! ret = ");
+        Serial.println(ret1);
+    } else {
+        Serial.print("Pressure: ");
+        Serial.print(pressure);
+        Serial.println(" Pascal");
+    }
+
+    delay(1000);
+
+}
+