Add readFloat to BLE (espressif#3321)

copercini · me-no-dev · commit 24b277ad92d1 · 2019-10-06T17:28:53.000+03:00
* Add readFloat

* Add readFloat to BLE
diff --git a/libraries/BLE/src/BLERemoteCharacteristic.cpp b/libraries/BLE/src/BLERemoteCharacteristic.cpp
@@ -389,6 +389,17 @@ uint8_t BLERemoteCharacteristic::readUInt8() {
 	return 0;
 } // readUInt8
 
+/**
+ * @brief Read a float value.
+ * @return the float value.
+ */
+float BLERemoteCharacteristic::readFloat() {
+	std::string value = readValue();
+	if (value.length() >= 4) {
+		return *(float*)(value.data());
+	}
+	return 0.0;
+} // readFloat
 
 /**
  * @brief Read the value of the remote characteristic.
diff --git a/libraries/BLE/src/BLERemoteCharacteristic.h b/libraries/BLE/src/BLERemoteCharacteristic.h
@@ -45,6 +45,7 @@ class BLERemoteCharacteristic {
 	uint8_t     readUInt8();
 	uint16_t    readUInt16();
 	uint32_t    readUInt32();
+	float       readFloat();
 	void        registerForNotify(notify_callback _callback, bool notifications = true);
 	void        writeValue(uint8_t* data, size_t length, bool response = false);
 	void        writeValue(std::string newValue, bool response = false);
