Merge pull request #769 from qubitter/master

Add support for Immediate Alert Service

Author: hathach

.gitignore

@@ -13,6 +13,7 @@
 /tools/.idea/
 /tools/midi_tests/node_modules
 
+.idea/
 .DS_Store
 *.swp
 /Output

libraries/Bluefruit52Lib/src/bluefruit.h

@@ -62,6 +62,7 @@
 #include "services/BLEDfu.h"
 #include "services/BLEUart.h"
 #include "services/BLEBas.h"
+#include "services/BLEIas.h"
 #include "services/BLEBeacon.h"
 #include "services/BLEHidGeneric.h"
 #include "services/BLEHidAdafruit.h"
@@ -75,6 +76,7 @@
 #include "clients/BLEClientCts.h"
 #include "clients/BLEClientHidAdafruit.h"
 #include "clients/BLEClientBas.h"
+#include "clients/BLEClientIas.h"
 
 #include "utility/AdaCallback.h"
 #include "utility/bonding.h"

libraries/Bluefruit52Lib/src/clients/BLEClientIas.cpp

@@ -0,0 +1,42 @@
+//
+// Created by Charlie Bershatsky on 4/19/23.
+//
+
+#include "BLEClientIas.h"
+#include "bluefruit.h"
+
+BLEClientIas::BLEClientIas() :
+BLEClientService(UUID16_SVC_IMMEDIATE_ALERT), _alert(UUID16_SVC_IMMEDIATE_ALERT) {
+
+}
+
+bool BLEClientIas::begin(void) {
+    // invoke superclass begin()
+    BLEClientService::begin();
+
+    _alert.begin(this);
+
+    return true;
+}
+
+bool BLEClientIas::discover(uint16_t conn_handle) {
+    VERIFY(BLEClientService::discover(conn_handle));
+    _conn_hdl = conn_handle;
+    return true;
+}
+
+uint16_t BLEClientIas::getAlertLevel() {
+
+    uint8_t level = 0;
+    ble_gattc_handle_range_t bck_range = Bluefruit.Discovery.getHandleRange();
+
+    _alert.begin(this);
+
+    if (Bluefruit.Discovery.discoverCharacteristic(_conn_hdl, _alert)) {
+        level = _alert.read8();
+    }
+
+    Bluefruit.Discovery.setHandleRange(bck_range);
+
+    return level;
+}

libraries/Bluefruit52Lib/src/clients/BLEClientIas.h

@@ -0,0 +1,28 @@
+//
+// Created by Charlie Bershatsky on 4/19/23.
+//
+
+#ifndef ADAFRUIT_NRF52_ARDUINO_BLECLIENTIAS_H
+#define ADAFRUIT_NRF52_ARDUINO_BLECLIENTIAS_H
+
+#include "bluefruit_common.h"
+#include "BLEClientCharacteristic.h"
+#include "BLEClientService.h"
+
+class BLEClientIas : public BLEClientService {
+
+public:
+    BLEClientIas(void);
+
+    virtual bool begin(void);
+    virtual bool discover(uint16_t conn_handle);
+
+    uint16_t getAlertLevel (void);
+
+private:
+    BLEClientCharacteristic _alert;
+
+};
+
+
+#endif //ADAFRUIT_NRF52_ARDUINO_BLECLIENTIAS_H

libraries/Bluefruit52Lib/src/services/BLEIas.cpp

@@ -0,0 +1,32 @@
+//
+// Created by Charlie Bershatsky on 4/19/23.
+//
+
+#include "BLEIas.h"
+#include "bluefruit.h"
+#include "utility/utilities.h"
+#include "BLEService.h"
+
+BLEIas::BLEIas(void) :
+BLEService(UUID16_SVC_IMMEDIATE_ALERT), _alert(UUID16_SVC_IMMEDIATE_ALERT) {
+
+}
+
+void BLEIas::write(uint8_t alert_level) {
+    _alert.write8(alert_level);
+}
+
+err_t BLEIas::begin(void) {
+
+    // Invoke the superclass begin()
+    VERIFY_STATUS(BLEService::begin());
+
+    _alert.setProperties(CHR_PROPS_READ);
+    _alert.setPermission(SECMODE_OPEN, SECMODE_NO_ACCESS);
+    _alert.setFixedLen(1);
+
+    VERIFY_STATUS( _alert.begin() );
+
+    return ERROR_NONE;
+
+}

libraries/Bluefruit52Lib/src/services/BLEIas.h

@@ -0,0 +1,29 @@
+//
+// Created by Charlie Bershatsky on 4/19/23.
+//
+
+#ifndef ADAFRUIT_NRF52_ARDUINO_BLEIAS_H
+#define ADAFRUIT_NRF52_ARDUINO_BLEIAS_H
+
+#include "bluefruit_common.h"
+
+#include "BLEService.h"
+#include "BLECharacteristic.h"
+
+
+class BLEIas : public BLEService {
+
+protected:
+    BLECharacteristic _alert;
+
+public:
+    BLEIas(void);
+
+    void write(uint8_t level);
+
+    virtual err_t begin(void);
+
+};
+
+
+#endif //ADAFRUIT_NRF52_ARDUINO_BLEIAS_H