Add glue file for SPIFFS.

dev/minGlue-SPIFFS.c

@@ -0,0 +1,37 @@
+#include "minGlue-SPIFFS.h"
+#include "spiffs.h"
+
+char *fs_gets(char *s, int size, spiffs_file *file)
+{
+    char    *ptr;
+    int32_t numBytes;
+    int32_t pos;
+
+    if ((s == 0) || (size <= 0))
+    {
+        return(NULL);
+    }
+    /* See the current position before reading */
+    pos = SPIFFS_lseek(FS_HDL, *(file), 0, SPIFFS_SEEK_CUR);
+    /* Read from the current position */
+    numBytes = SPIFFS_read(FS_HDL, *(file), (s), (size - 1));
+    if (numBytes > 0)
+    {
+        /* Find the first/next new line */
+        ptr = strchr(s, '\n');
+        if (ptr)
+        {
+            ptr++;
+            *ptr     = 0;
+            numBytes = strlen(s);
+        }
+    }
+    else
+    {
+        return(NULL);
+    }
+    assert(numBytes <= size);
+    /* Set the new position for the next read */
+    SPIFFS_lseek(FS_HDL, *(file), (pos + numBytes), SPIFFS_SEEK_SET);
+    return(s);
+}

dev/minGlue-SPIFFS.h

@@ -0,0 +1,42 @@
+/*  Glue functions for the minIni library, based on the C/C++ stdio library
+ *
+ *  Or better said: this file contains macros that maps the function interface
+ *  used by minIni to the standard C/C++ file I/O functions.
+ *
+ *  By CompuPhase, 2008-2014
+ *  This "glue file" is in the public domain. It is distributed without
+ *  warranties or conditions of any kind, either express or implied.
+ */
+
+/* map required file I/O types and functions to the standard C library */
+#include <stdio.h>
+#include "spiffs.h"
+
+char *fs_gets(char *s, int size, spiffs_file *file);
+
+#ifndef FS_HDL
+extern spiffs *fs_gethandle(void);
+/* Macro to return the handle to the SPIFFS file system */
+#define FS_HDL (fs_gethandle())
+#endif /* FS_HDL */
+
+#define PORTABLE_STRNICMP
+
+#define INI_FILETYPE                    spiffs_file
+#define ini_openread(filename,file)     ((*(file) = SPIFFS_open(FS_HDL, (filename), SPIFFS_RDONLY, 0)) != NULL)
+#define ini_openwrite(filename,file)    ((*(file) = SPIFFS_open(FS_HDL, (filename), (SPIFFS_WRONLY | SPIFFS_APPEND | SPIFFS_CREAT), 0)) != NULL)
+#define ini_openrewrite(filename,file)  ((*(file) = SPIFFS_open(FS_HDL, (filename), (SPIFFS_WRONLY | SPIFFS_DIRECT), 0)) != NULL)
+#define ini_close(file)                 (SPIFFS_close(FS_HDL, *(file)) == 0)
+#define ini_read(buffer,size,file)      (fs_gets((buffer), (size), (file)) != NULL)
+#define ini_write(buffer,file)          (SPIFFS_write(FS_HDL, *(file), (buffer), strlen(buffer)) >= 0)
+#define ini_rename(source,dest)         (SPIFFS_rename(FS_HDL, (source), (dest)) == 0)
+#define ini_remove(filename)            (SPIFFS_remove(FS_HDL, filename) == 0)
+
+#define INI_FILEPOS                     int
+#define ini_tell(file,pos)              (*(pos) = SPIFFS_lseek(FS_HDL, *(file), 0, SPIFFS_SEEK_CUR))
+#define ini_seek(file,pos)              (SPIFFS_lseek(FS_HDL, *(file), *(pos), SPIFFS_SEEK_SET) == 0)
+
+/* for floating-point support, define additional types and functions */
+#define INI_REAL                        float
+#define ini_ftoa(string,value)          sprintf((string),"%f",(value))
+#define ini_atof(string)                (INI_REAL)strtod((string),NULL)