Merge branch 'settings'HEADmain

This adds the HTTP GET /settings.json API. Writing settings is only
supported via the Zephyr shell.

1 files changed, 33 insertions, 0 deletions

diff --git a/fw/app/src/settings.h b/fw/app/src/settings.h
new file mode 100644
index 0000000..8c7b4e3
--- /dev/null
+++ b/fw/app/src/settings.h
@@ -0,0 +1,33 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public License,
+ * v. 2.0. If a copy of the MPL was not distributed with this file, You can
+ * obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef SRC_SETTINGS_H
+#define SRC_SETTINGS_H
+
+#include <stddef.h>
+
+#include <zephyr/data/json.h>
+
+#define IPV6_STRLEN_MAX 39  // excluding '\0'
+#define SETTINGS_JSON_MAX_LEN (IPV6_STRLEN_MAX + 50)
+
+
+struct settings_syslog_target {
+	char ip_array[IPV6_STRLEN_MAX];
+	char *ip;  /* Zephyr's JSON lib does not work with arrays directly */
+};
+
+struct settings_syslog {
+	struct settings_syslog_target target;
+};
+
+struct settings {
+	struct settings_syslog syslog;
+};
+
+int settings_to_json(void *buffer, size_t data);
+
+#endif  // !SRC_SETTINGS_H