Modbus TCP - Multi Devices

main/config_store.h

@@ -0,0 +1,52 @@
+#ifndef CONFIG_STORE_H
+#define CONFIG_STORE_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#define DEVICE_NAME_MAX_LEN      32
+#define DEVICE_CSV_MAX_LEN       64
+#define WIFI_SSID_MAX_LEN        32
+#define WIFI_PASSWORD_MAX_LEN    64
+#define IPV4_STR_MAX_LEN         16
+#define MAX_VIRTUAL_DEVICES      2
+
+typedef struct
+{
+    char ssid[WIFI_SSID_MAX_LEN];
+    char password[WIFI_PASSWORD_MAX_LEN];
+
+    bool dhcp;
+
+    char static_ip[IPV4_STR_MAX_LEN];
+    char gateway[IPV4_STR_MAX_LEN];
+    char netmask[IPV4_STR_MAX_LEN];
+} wifi_settings_t;
+
+typedef struct
+{
+    uint16_t port;
+    uint8_t max_clients;
+    uint8_t device_count;
+} modbus_settings_t;
+
+typedef struct
+{
+    bool enabled;
+    uint8_t unit_id;
+    char name[DEVICE_NAME_MAX_LEN];
+    char csv[DEVICE_CSV_MAX_LEN];
+} virtual_device_settings_t;
+
+typedef struct
+{
+    wifi_settings_t wifi;
+    modbus_settings_t modbus;
+    virtual_device_settings_t devices[MAX_VIRTUAL_DEVICES];
+} device_config_t;
+
+void config_store_set_defaults(device_config_t *cfg);
+bool config_store_load(const char *filename, device_config_t *cfg);
+
+#endif /* CONFIG_STORE_H */