Add storage initialization

src/main.c

@@ -6,63 +6,67 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-
-#include <sys/printk.h>
 #include <bluetooth/hci.h>
 #include <random/rand32.h>
+#include <sys/printk.h>
 
-#include "exposure-notification.h"
-#include "covid_types.h"
 #include "contacts.h"
-#include "gatt_service.h"
 #include "covid.h"
+#include "covid_types.h"
+#include "exposure-notification.h"
+#include "gatt_service.h"
 #include "io.h"
+#include "storage.h"
 
-void main(void)
-{
-	int err = 0;
-	printk("Starting Covid Contact Tracer\n");
+void main(void) {
+    int err = 0;
+    printk("Starting Covid Contact Tracer\n");
 
     // first init everything
-	// Use custom randomization as the mbdet_tls context initialization messes with the Zeyhr BLE stack.
+    // Use custom randomization as the mbdet_tls context initialization messes with the Zeyhr BLE stack.
     err = en_init(sys_csrand_get);
-	if (err) {
-		printk("Cyrpto init failed (err %d)\n", err);
-		return;
-	}
+    if (err) {
+        printk("Cyrpto init failed (err %d)\n", err);
+        return;
+    }
 
-	printk("init contacts\n");
-	init_contacts();
-	err = init_io();
-	if(err){
-		printk("Button init failed (err %d)\n", err);
-		return;
-	}
+    printk("init contacts\n");
+    init_contacts();
+    err = init_io();
+    if (err) {
+        printk("Button init failed (err %d)\n", err);
+        return;
+    }
 
-	/* Initialize the Bluetooth Subsystem */
-	err = bt_enable(NULL);
-	if (err) {
-		printk("Bluetooth init failed (err %d)\n", err);
-		return;
-	}
+    /* Initialize the Bluetooth Subsystem */
+    err = bt_enable(NULL);
+    if (err) {
+        printk("Bluetooth init failed (err %d)\n", err);
+        return;
+    }
 
-	printk("Bluetooth initialized\n");
+    printk("Bluetooth initialized\n");
 
-	err = init_gatt();
-	if (err) {
-		printk("init gatt failed(err %d)\n", err);
-		return;
-	}
+    err = init_gatt();
+    if (err) {
+        printk("init gatt failed(err %d)\n", err);
+        return;
+    }
 
-	err = init_covid();
-	if (err) {
-		printk("init covid failed (err %d)\n", err);
-		return;
-	}
+    err = init_covid();
+    if (err) {
+        printk("init covid failed (err %d)\n", err);
+        return;
+    }
 
-	do{
-		do_covid();
-		do_gatt();
-	} while (1);
-	
+    err = init_storage();
+    if (err) {
+        printk("init storage failed (err %d)\n", err);
+        return;
+    }
+
+    do {
+        do_covid();
+        do_gatt();
+    } while (1);
 }

src/storage.c

@@ -0,0 +1,33 @@
+#include <device.h>
+#include <drivers/flash.h>
+#include <fs/nvs.h>
+#include <power/reboot.h>
+#include <storage/flash_map.h>
+#include <string.h>
+#include <zephyr.h>
+
+#include "storage.h"
+
+// Maybe use this as param for init function
+#define SEC_COUNT 10
+
+static struct nvs_fs fs;
+
+int init_storage(void) {
+    int rc = 0;
+    struct flash_pages_info info;
+    // define the nvs file system
+    fs.offset = FLASH_AREA_OFFSET(storage);
+    rc = flash_get_page_info_by_offs(device_get_binding(DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL), fs.offset, &info);
+
+    if (rc) {
+        return rc;
+    }
+    fs.sector_size = info.size;
+    fs.sector_count = SEC_COUNT;
+
+    rc = nvs_init(&fs, DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL);
+    if (rc) {
+        return rc;
+    }
+}

src/storage.h

@@ -0,0 +1,9 @@
+#ifndef STORAGE_H
+#define STORAGE_H
+
+/**
+ * Initialize the storage api.
+ */
+int init_storage(void);
+
+#endif