Diff: nRF51822_Science_Journal/nRF51822/source/nRF5xn.cpp

Revision:

0:1ad0e04b1bc5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nRF51822_Science_Journal/nRF51822/source/nRF5xn.cpp	Thu Sep 01 05:14:03 2016 +0000
@@ -0,0 +1,125 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "mbed.h"
+#include "nRF5xn.h"
+#include "ble/blecommon.h"
+#include "nrf_soc.h"
+
+#include "btle/btle.h"
+#include "nrf_delay.h"
+
+extern "C" {
+#include "softdevice_handler.h"
+}
+
+/**
+ * The singleton which represents the nRF51822 transport for the BLE.
+ */
+static nRF5xn deviceInstance;
+
+/**
+ * BLE-API requires an implementation of the following function in order to
+ * obtain its transport handle.
+ */
+BLEInstanceBase *
+createBLEInstance(void)
+{
+    return (&deviceInstance);
+}
+
+nRF5xn::nRF5xn(void) : initialized(false), instanceID(BLE::DEFAULT_INSTANCE)
+{
+}
+
+nRF5xn::~nRF5xn(void)
+{
+}
+
+const char *nRF5xn::getVersion(void)
+{
+    if (!initialized) {
+        return "INITIALIZATION_INCOMPLETE";
+    }
+
+    static char versionString[32];
+    static bool versionFetched = false;
+
+    if (!versionFetched) {
+        ble_version_t version;
+        if ((sd_ble_version_get(&version) == NRF_SUCCESS) && (version.company_id == 0x0059)) {
+            switch (version.version_number) {
+                case 0x07:
+                case 0x08:
+                    snprintf(versionString, sizeof(versionString), "Nordic BLE4.1 ver:%u fw:%04x", version.version_number, version.subversion_number);
+                    break;
+                default:
+                    snprintf(versionString, sizeof(versionString), "Nordic (spec unknown) ver:%u fw:%04x", version.version_number, version.subversion_number);
+                    break;
+            }
+            versionFetched = true;
+        } else {
+            strncpy(versionString, "unknown", sizeof(versionString));
+        }
+    }
+
+    return versionString;
+}
+
+ble_error_t nRF5xn::init(BLE::InstanceID_t instanceID, FunctionPointerWithContext<BLE::InitializationCompleteCallbackContext *> callback)
+{
+    if (initialized) {
+        BLE::InitializationCompleteCallbackContext context = {
+            BLE::Instance(instanceID),
+            BLE_ERROR_ALREADY_INITIALIZED
+        };
+        callback.call(&context);
+        return BLE_ERROR_ALREADY_INITIALIZED;
+    }
+
+    instanceID   = instanceID;
+
+    /* ToDo: Clear memory contents, reset the SD, etc. */
+    btle_init();
+
+    initialized = true;
+    BLE::InitializationCompleteCallbackContext context = {
+        BLE::Instance(instanceID),
+        BLE_ERROR_NONE
+    };
+    callback.call(&context);
+    return BLE_ERROR_NONE;
+}
+
+ble_error_t nRF5xn::shutdown(void)
+{
+    if (!initialized) {
+        return BLE_ERROR_INITIALIZATION_INCOMPLETE;
+    }
+
+    if(softdevice_handler_sd_disable() != NRF_SUCCESS) {
+        return BLE_STACK_BUSY;
+    }
+
+    initialized = false;
+    return BLE_ERROR_NONE;
+}
+
+void
+nRF5xn::waitForEvent(void)
+{
+    sd_app_evt_wait();
+}
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