Diff: nrfConfigParamsPersistence.cpp

Revision:

16:1daa78939a3b

Child:

17:e2c0a1696e39

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nrfConfigParamsPersistence.cpp	Mon Mar 09 16:35:03 2015 +0000
@@ -0,0 +1,67 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2015 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 "pstorage.h"
+#include "nrf_error.h"
+#include "ConfigParamsPersistence.h"
+
+static pstorage_handle_t pstorageHandle;
+
+/* Dummy callback handler needed by Nordic's pstorage module. */
+static void pstorageNotificationCallback(pstorage_handle_t *p_handle,
+                                  uint8_t            op_code,
+                                  uint32_t           result,
+                                  uint8_t *          p_data,
+                                  uint32_t           data_len)
+{
+    /* APP_ERROR_CHECK(result); */
+}
+
+/* Platform-specific implementation for persistence on the nRF5x. Based on the
+ * pstorage module provided by the Nordic SDK. */
+void loadURIBeaconConfigParams(URIBeaconConfigService::Params_t *paramsP)
+{
+    pstorage_init();
+    static pstorage_module_param_t pstorageParams = {
+        .cb          = pstorageNotificationCallback,
+        .block_size  = sizeof(URIBeaconConfigService::Params_t),
+        .block_count = 1
+    };
+
+    pstorage_register(&pstorageParams, &pstorageHandle);
+    if (pstorage_load(reinterpret_cast<uint8_t *>(paramsP), &pstorageHandle, sizeof(URIBeaconConfigService::Params_t), 0) != NRF_SUCCESS) {
+        // On failure zero out and let the service reset to defaults
+        memset(paramsP, 0, sizeof(URIBeaconConfigService::Params_t));
+    }
+}
+
+/* Platform-specific implementation for persistence on the nRF5x. Based on the
+ * pstorage module provided by the Nordic SDK. */
+void saveURIBeaconConfigParams(URIBeaconConfigService::Params_t *paramsP)
+{
+    if (paramsP->persistenceSignature != URIBeaconConfigService::Params_t::MAGIC) {
+        paramsP->persistenceSignature = URIBeaconConfigService::Params_t::MAGIC;
+        pstorage_store(&pstorageHandle,
+                       reinterpret_cast<uint8_t *>(paramsP),
+                       sizeof(URIBeaconConfigService::Params_t),
+                       0 /* offset */);
+    } else {
+        pstorage_update(&pstorageHandle,
+                        reinterpret_cast<uint8_t *>(paramsP),
+                        sizeof(URIBeaconConfigService::Params_t),
+                        0 /* offset */);
+    }
+}