Diff: mesh_nvm.cpp

Revision:

72:a7c594402382

Child:

73:cea274cdbb5d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mesh_nvm.cpp	Fri Jan 19 08:15:09 2018 +0000
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2018 ARM Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ * 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"
+
+/* At the moment, Thread builds using K64F support NVM */
+#if MBED_CONF_APP_MESH_TYPE == MESH_THREAD && defined(TARGET_K64F)
+
+#include "LittleFileSystem.h"
+#include "SDBlockDevice.h"
+#include "HeapBlockDevice.h"
+#include "ns_file_system.h"
+#include "mbed_trace.h"
+
+#define TRACE_GROUP "mnvm"
+
+/* By default use HEAP as NVM storage, comment macro in order to use SD card */
+#define USE_HEAP_BLOCK_DEVICE
+
+LittleFileSystem *fs;
+BlockDevice *bd;
+
+void mesh_nvm_initialize()
+{
+    fs = new LittleFileSystem("fs");
+#ifdef USE_HEAP_BLOCK_DEVICE
+    const char *bd_info = "NVM: Heap";
+    bd = new HeapBlockDevice(16 * 512, 512);
+#else
+    const char *bd_info = "NVM: SD";
+    bd = new SDBlockDevice(MBED_CONF_SD_SPI_MOSI, MBED_CONF_SD_SPI_MISO, MBED_CONF_SD_SPI_CLK, MBED_CONF_SD_SPI_CS);
+#endif
+
+     tr_debug("%s", bd_info);
+    int mount_status = fs->mount(bd);
+    if (mount_status) {
+        tr_warning("mount error: %d, trying format...", mount_status);
+        mount_status = fs->reformat(bd);
+        tr_info("reformat %s (%d)", mount_status ? "failed" : "OK", mount_status);
+    }
+
+    if (!mount_status) {
+        ns_file_system_set_root_path("/fs/");
+    }
+}
+
+#else /* MBED_CONF_APP_MESH_TYPE == MESH_THREAD && defined(TARGET_K64F) */
+void mesh_nvm_initialize()
+{
+    /* NVM not supported */
+}
+#endif  /* MBED_CONF_APP_MESH_TYPE == MESH_THREAD && defined(TARGET_K64F) */
+