[ADD] packet_io framework

sdk/include/logger.h

@@ -1,3 +1,19 @@
+/*
+**********************************************************************************************
+*	File: logger.h
+*   Description: log module
+*	Authors: Liu WenTan <liuwentan@geedgenetworks.com>
+*	Date:    2022-07-15
+*   Copyright: (c) 2018-2022 Geedge Networks, Inc. All rights reserved.
+***********************************************************************************************
+*/
+
 #pragma once
 
-struct logger;
+#define log_debug(x, ...)
+
+#define log_info(x, ...)
+
+#define log_notice(x, ...)
+
+#define log_error(x, ...) 

sdk/include/util_errors.h

@@ -0,0 +1,34 @@
+/*
+**********************************************************************************************
+*	File: util_errors.h
+*   Description: different error type
+*	Authors: Liu WenTan <liuwentan@geedgenetworks.com>
+*	Date:    2022-07-15
+*   Copyright: (c) 2018-2022 Geedge Networks, Inc. All rights reserved.
+***********************************************************************************************
+*/
+
+#define CASE_CODE(E)  case E: return #E
+
+/* ST is short for stellar */
+typedef enum {
+    ST_OK = 0,
+    ST_ERR_MEM_ALLOC,
+    ST_ERR_RUN_MODE,
+    ST_ERR_PIO_INSTANCE,
+    ST_ERR_PIO_DEVICE,
+    ST_ERR_MAX
+} error_code_t;
+
+const char *st_error_to_string(error_code_t err) 
+{
+    switch (err) {
+        CASE_CODE (ST_OK);
+        CASE_CODE (ST_ERR_MEM_ALLOC);
+        CASE_CODE (ST_ERR_RUN_MODE);
+        CASE_CODE (ST_ERR_PIO_INSTANCE);
+        CASE_CODE (ST_ERR_PIO_DEVICE);
+    }
+
+    return "UNKNOWN_ERROR";
+}

sdk/include/utils.h

@@ -2,8 +2,8 @@
 
 #include <stdlib.h>	//calloc
 
-#define ALLOC(type, number) ((type *)calloc(sizeof(type), number))
-#define	FREE(p)	{free(*p);*p=NULL;}
+#define CALLOC(type, number) ((type *)calloc(sizeof(type), number))
+#define	FREE(p)	{free(p);p=NULL;}
 
 #define	TRUE	1
 #define	FALSE	0