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Modifications to demo_netxduo_https.c for safer RAM disk usage #325

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Modifications to demo_netxduo_https.c for safer RAM disk usage #325

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44 changes: 35 additions & 9 deletions samples/demo_netxduo_https.c
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Original file line number Diff line number Diff line change
Expand Up @@ -357,9 +357,13 @@ extern const NX_SECURE_TLS_CRYPTO nx_crypto_tls_ciphers;

#endif /*NX_WEB_HTTPS_ENABLE */

/* Define the RAM disk memory for FileX demo. */
/* Define the RAM disk memory for demo. */

#define TOTAL_SECTORS 256
#define SECTOR_SIZE 512

static UCHAR media_memory[4096];
static CHAR ram_disk_memory[4096];
static CHAR ram_disk_memory[TOTAL_SECTORS*SECTOR_SIZE];
static FX_MEDIA ram_disk;

/* HTTP server stack area. */
Expand Down Expand Up @@ -715,26 +719,48 @@ UINT server_port;


NX_PARAMETER_NOT_USED(thread_input);

/* Format the RAM disk - the memory for the RAM disk was setup in
in the ram_disk_memory[TOTAL_SECTORS*SECTOR_SIZE] above.


fx_media_format(&ram_disk,
Important Note: The user must ensure there is enough RAM for the format
specified. Otherwise, memory corruption can occur.
*/
status = fx_media_format(&ram_disk,
_fx_ram_driver, // Driver entry
ram_disk_memory, // RAM disk memory pointer
media_memory, // Media buffer pointer
sizeof(media_memory), // Media buffer size
media_memory, // Media buffer pointer
sizeof(media_memory), // Media buffer size
"MY_RAM_DISK", // Volume Name
1, // Number of FATs
32, // Directory Entries
0, // Hidden sectors
256, // Total sectors
512, // Sector size
TOTAL_SECTORS, // Total sectors
SECTOR_SIZE, // Sector size
8, // Sectors per cluster
1, // Heads
1); // Sectors per track

/* Determine if the RAM disk format was successful. */
if (status != FX_SUCCESS)
{
/* Error formatting the RAM disk. */
printf("HTTPS RAM disk format failed, error: %x\n", status);
return;
}

/* Open the RAM disk. */
fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory, media_memory, sizeof(media_memory)) ;
status = fx_media_open(&ram_disk, "RAM DISK", _fx_ram_driver, ram_disk_memory, media_memory, sizeof(media_memory)) ;

/* Determine if the RAM disk open was successful. */
if (status != FX_SUCCESS)
{
/* Error formatting the RAM disk. */
printf("HTTPS RAM disk open failed, error: %x\n", status);
return;
}

/* Create the test file. */
fx_file_create(&ram_disk, "TEST.TXT");

/* Give NetX a chance to initialize the system. */
Expand Down
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