Implemented string explanation for error code

Author: bbogush

qt/err.cpp

@@ -0,0 +1,63 @@
+/*  Copyright (C) 2017 Bogdan Bogush <bogdan.s.bogush@gmail.com>
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 3.
+ */
+
+#include "err.h"
+
+enum
+{
+    NP_ERR_INTERNAL       = -1,
+    NP_ERR_ADDR_EXCEEDED  = -100,
+    NP_ERR_ADDR_INVALID   = -101,
+    NP_ERR_ADDR_NOT_ALIGN = -102,
+    NP_ERR_NAND_WR        = -103,
+    NP_ERR_NAND_RD        = -104,
+    NP_ERR_NAND_ERASE     = -105,
+    NP_ERR_CHIP_NOT_CONF  = -106,
+    NP_ERR_CMD_DATA_SIZE  = -107,
+    NP_ERR_CMD_INVALID    = -108,
+    NP_ERR_BUF_OVERFLOW   = -109,
+    NP_ERR_LEN_NOT_ALIGN  = -110,
+    NP_ERR_LEN_EXCEEDED   = -111,
+    NP_ERR_LEN_INVALID    = -112,
+    NP_ERR_BBT_OVERFLOW   = -113,
+};
+
+typedef struct
+{
+    long int code;
+    const char *str;
+} code_str_t;
+
+static code_str_t err[] =
+{
+    { NP_ERR_INTERNAL, "Internal error" },
+    { NP_ERR_ADDR_EXCEEDED, "Operation address exceeded chip size" },
+    { NP_ERR_ADDR_INVALID, "Operation address is invalid" },
+    { NP_ERR_ADDR_NOT_ALIGN,
+        "Operation address is not aligned to page/block size" },
+    { NP_ERR_NAND_WR, "Failed to write chip" },
+    { NP_ERR_NAND_RD, "Failed to read chip" },
+    { NP_ERR_NAND_ERASE, "Failed to erase chip" },
+    { NP_ERR_CHIP_NOT_CONF,
+        "Programmer is not configured with chip parameters" },
+    { NP_ERR_CMD_DATA_SIZE, "Data size in command is wrong" },
+    { NP_ERR_CMD_INVALID, "Invalid command" },
+    { NP_ERR_BUF_OVERFLOW, "Buffer overflow" },
+    { NP_ERR_LEN_NOT_ALIGN, "Data length is not page aligned" },
+    { NP_ERR_LEN_EXCEEDED, "Data length exceeded chip size" },
+    { NP_ERR_LEN_INVALID, "Wrong data length" },
+    { NP_ERR_BBT_OVERFLOW, "Bad block table overflow" },
+};
+
+const char *errCode2str(long int code)
+{
+    for (unsigned int i = 0; i < sizeof(err) / sizeof (err[0]); i++)
+    {
+        if (err[i].code == code)
+            return err[i].str;
+    }
+
+    return "Unknown error";
+}

qt/err.h

@@ -0,0 +1,6 @@
+#ifndef ERR_H
+#define ERR_H
+
+const char *errCode2str(long int code);
+
+#endif // ERR_H

qt/qt.pro

@@ -34,7 +34,8 @@ SOURCES += main.cpp\
     settings_programmer_dialog.cpp \
     stm32.cpp \
     chip_db_dialog.cpp \
-    chip_db_table_model.cpp
+    chip_db_table_model.cpp \
+    err.cpp
 
 HEADERS += main_window.h \
     programmer.h \
@@ -47,7 +48,8 @@ HEADERS += main_window.h \
     settings_programmer_dialog.h \
     stm32.h \
     chip_db_dialog.h \
-    chip_db_table_model.h
+    chip_db_table_model.h \
+    err.h
 
 FORMS += main_window.ui \
     settings_programmer_dialog.ui \

qt/reader.cpp

@@ -5,6 +5,7 @@
 
 #include "reader.h"
 #include "cmd.h"
+#include "err.h"
 #include <QDebug>
 #include <QTextBlock>
 #include <QTextCursor>
@@ -106,7 +107,8 @@ int Reader::handleError(uint8_t *pbuf, uint32_t len)
     if (len < size)
         return 0;
 
-    logErr(QString("Programmer sent error: %1").arg(err->errCode));
+    logErr(QString("Programmer sent error: (%1) %2").arg(err->errCode)
+        .arg(errCode2str(-err->errCode)));
 
     return -1;
 }

qt/writer.cpp

@@ -4,6 +4,7 @@
  */
 
 #include "writer.h"
+#include "err.h"
 #include <QDebug>
 #include <QTextBlock>
 #include <QTextCursor>
@@ -113,7 +114,8 @@ int Writer::handleError(RespHeader *header, uint32_t len)
     if (len < (uint32_t)size)
         return 0;
 
-    logErr(QString("Programmer sent error: %1").arg(err->errCode));
+    logErr(QString("Programmer sent error: (%1) %2").arg(err->errCode)
+        .arg(errCode2str(-err->errCode)));
 
     return -1;
 }