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shell: add flash info to print the flash size

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This commit is contained in:
S.J.R. van Schaik 2017-04-07 19:36:06 +02:00
parent f61ecefdc6
commit a36addf39b
1 changed files with 40 additions and 0 deletions
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40
source/shell/flash.c
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@ -1,4 +1,5 @@
#include <ctype.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -11,12 +12,14 @@
#include <shell.h>
static void do_flash_probe(const char *s);
static void do_flash_info(const char *s);
static void do_flash_read(const char *s);
static void do_flash_write(const char *s);
static void do_flash_erase(const char *s);
static struct cmd flash_cmds[] = {
{ "probe", do_flash_probe },
{ "info", do_flash_info },
{ "read", do_flash_read },
{ "write", do_flash_write },
{ "erase", do_flash_erase },
@ -73,6 +76,25 @@ static void print_hex_ascii(const char *buf, size_t len)
}
}
static void print_size(size_t size)
{
if (size == 0) {
printf("0");
#if defined(TIB)
} else if (size % TIB == 0) {
printf("%" PRSZu " TiB", size / TIB);
#endif
} else if (size % GIB == 0) {
printf("%" PRSZu " GiB", size / GIB);
} else if (size % MIB == 0) {
printf("%" PRSZu " MiB", size / MIB);
} else if (size % KIB == 0) {
printf("%" PRSZu " KiB", size / KIB);
} else {
printf("%" PRSZu " B", size);
}
}
static void do_flash_probe(const char *s)
{
(void)s;
@ -87,6 +109,24 @@ static void do_flash_probe(const char *s)
}
}
static void do_flash_info(const char *s)
{
size_t size;
(void)s;
if (!flash) {
fprintf(stderr, "error: no flash device probed.\n");
return;
}
size = flash_get_size(flash);
printf("Capacity: %" PRSZu " blocks (", size / (4 * KIB));
print_size(size);
printf(")\n");
}
static void do_flash_read(const char *s)
{
char buf[256], *end = NULL;