started writting code

F1:F103/AS3935-lightning/commproto.h

@@ -0,0 +1,52 @@
+/*
+ * This file is part of the as3935 project.
+ * Copyright 2026 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "version.inc"
+
+#ifdef EBUG
+#define RLSDBG "debug"
+#else
+#define RLSDBG "release"
+#endif
+
+#define REPOURL     "https://github.com/eddyem/stm32samples/tree/master/F1:F103/AS3935-lightning "  RLSDBG " build #" BUILD_NUMBER "@" BUILD_DATE "\n"
+
+
+// error codes for answer message
+typedef enum{
+    ERR_OK,         // all OK
+    ERR_BADCMD,     // wrong command
+    ERR_BADPAR,     // wrong parameter
+    ERR_BADVAL,     // wrong value (for setter)
+    ERR_WRONGLEN,   // wrong message length
+    ERR_CANTRUN,    // can't run given command due to bad parameters or other
+    ERR_BUSY,       // target interface busy, try later
+    ERR_OVERFLOW,   // string was too long -> overflow
+    ERR_AMOUNT      // amount of error codes or "send nothing"
+} errcodes_t;
+
+// maximal length of command (without trailing zero)
+#define CMD_MAXLEN  15
+// maximal available parameter number
+#define MAXPARNO    255
+// maximal string length includint terminating zero
+#define MAXSTRLEN   256
+
+const char *parse_cmd(int (*sendfun)(const char*), char *buf);