publish libraries to avoid users to have to download them one by one

lib/ESP32_BLE_Arduino/src/BLE2902.cpp

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+/*
+ * BLE2902.cpp
+ *
+ *  Created on: Jun 25, 2017
+ *      Author: kolban
+ */
+
+/*
+ * See also:
+ * https://www.bluetooth.com/specifications/gatt/viewer?attributeXmlFile=org.bluetooth.descriptor.gatt.client_characteristic_configuration.xml
+ */
+#include "sdkconfig.h"
+#if defined(CONFIG_BT_ENABLED)
+
+#include "BLE2902.h"
+
+BLE2902::BLE2902() : BLEDescriptor(BLEUUID((uint16_t) 0x2902)) {
+	uint8_t data[2] = {0,0};
+	setValue(data, 2);
+} // BLE2902
+
+
+/**
+ * @brief Get the notifications value.
+ * @return The notifications value.  True if notifications are enabled and false if not.
+ */
+bool BLE2902::getNotifications() {
+	return (getValue()[0] & (1 << 0)) != 0;
+} // getNotifications
+
+
+/**
+ * @brief Get the indications value.
+ * @return The indications value.  True if indications are enabled and false if not.
+ */
+bool BLE2902::getIndications() {
+	return (getValue()[0] & (1 << 1)) != 0;
+} // getIndications
+
+
+/**
+ * @brief Set the indications flag.
+ * @param [in] flag The indications flag.
+ */
+void BLE2902::setIndications(bool flag) {
+	uint8_t *pValue = getValue();
+	if (flag) {
+		pValue[0] |= 1<<1;
+	} else {
+		pValue[0] &= ~(1<<1);
+	}
+} // setIndications
+
+
+/**
+ * @brief Set the notifications flag.
+ * @param [in] flag The notifications flag.
+ */
+void BLE2902::setNotifications(bool flag) {
+	uint8_t *pValue = getValue();
+	if (flag) {
+		pValue[0] |= 1<<0;
+	} else {
+		pValue[0] &= ~(1<<0);
+	}
+} // setNotifications
+
+
+#endif