emb-sw/*: new debug macros

f2f7be9d · Lucas Russo · b1590610 · f2f7be9d · f2f7be9d
Commit f2f7be9d authored Apr 29, 2013 by Lucas Russo
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Showing with 55 additions and 4 deletions

debug_subsys.h embedded-sw/include/debug_subsys.h +20 -0

debug_print.h embedded-sw/lib/debug_print.h +35 -4

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--- a/embedded-sw/include/debug_subsys.h
+++ b/embedded-sw/include/debug_subsys.h
+/*
+ * Copyright (C) 2013 LNLS (www.lnls.br)
+ * Author: Lucas Russo <lucas.russo@lnls.br>
+ *
+ * Released according to the GNU GPL, version 2 or any later version.
+ */
+
+#ifndef _DEBUG_SUBSYS_
+#define _DEBUG_SUBSYS_
+
+#define DBG_GENERIC   (0x1 << 4)
+#define DBG_GPIO      (0x2 << 4)
+#define DBG_SPI       (0x4 << 4)
+#define DBG_I2C       (0x8 << 4)
+#define DBG_OWR       (0x10 << 4)
+#define DBG_ETH       (0x20 << 4)
+
+#define DBG_SUBSYS_ON (DBG_GENERIC | DBG_GPIO | DBG_SPI | DBG_I2C | DBG_OWR | DBG_ETH)
+
+#endif
--- a/embedded-sw/lib/debug_print.h
+++ b/embedded-sw/lib/debug_print.h
@@ -10,15 +10,29 @@

 #include <stdarg.h>
 #include "pp-printf.h"
+#include "debug_subsys.h"

-void debug_print(const char *fmt, ...);
-//__attribute__((format(printf,1,2)));
+/* temporary */
+#define DBG_MIN_LEVEL DBE_DBG_INFO
+
+/* Debug levels */
+#define DBE_DBG_TRACE   (0x1 << 1)
+#define DBE_DBG_INFO    (0x2 << 1)
+#define DBE_DBG_WARN    (0x3 << 1)
+#define DBE_DBG_ERR     (0x4 << 1)
+#define DBE_DBG_FATAL   (0x5 << 1)
+
+#define DBE_DBG_MASK    (0xF << 1)

+/* Debug halt */
+#define DBE_DBG_HALT    (0x1)
+
+void debug_print(const char *fmt, ...);
 void debug_print2(const char *fmt, const char *data, int len);

-#ifdef DEBUG_PRINT
+#ifdef DBE_DBG
 #define dbg_print(fmt, ...) \
-    pp_printf("%s: %s (%d): "fmt, __FILE__, __FUNCTION__, __LINE__, ##__VA_ARGS__)
+    pp_printf("%s (%d): "fmt, __FUNCTION__, __LINE__, ##__VA_ARGS__)
 #define dbg_print2(fmt, data, len) \
    debug_print2(fmt, data, len)
 #else
@@ -26,4 +40,21 @@ void debug_print2(const char *fmt, const char *data, int len);
 #define dbg_print2(fmt, data, len)
 #endif

+/* dbg has the following format:
+ *    31 - 4      3 - 1      0-0
+ *  DBG_SUBSYS   DBG_LVL   DBG_HALT
+ */
+
+#ifdef DBE_DBG
+
+#define DBE_DEBUG(dbg, fmt, ...) do { if (((dbg) & DBG_SUBSYS_ON) && (((dbg) & DBE_DBG_MASK) >= DBG_MIN_LEVEL)) { dbg_print(fmt, ##__VA_ARGS__); if ((dbg) & DBE_DBG_HALT) while(1); } } while(0)
+#define DBE_DEBUG_ARRAY(dbg, fmt, ...) do { if (((dbg) & DBG_SUBSYS_ON) && (((dbg) & DBE_DBG_MASK) >= DBG_MIN_LEVEL)) { dbg_print2(fmt, ##__VA_ARGS__); if ((dbg) & DBE_DBG_HALT) while(1); } } while(0)
+#define DBE_ERR(...)   do { dbg_print(fmt, ##__VA_ARGS__); } while(0)
+#else /* DBE_DEBUG */
+#define DBE_DEBUG(dbg, fmt, ...)
+#define DBE_DEBUG_ARRAY(dbg, fmt, ...)
+#define DBE_ERR(...)
+
+#endif
+
 #endif