fly316/PX4-Autopilot
7
0
Fork 0
mirror of https://gitee.com/mirrors_PX4/PX4-Autopilot.git synced 2026-07-07 13:40:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

Added MTD erase command

Browse Source
This commit is contained in:
Andrew Tridgell
2014-01-14 12:29:55 +11:00
committed by Lorenz Meier
parent 7b38c576e9
commit f30ae8c9f3
1 changed files with 30 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/systemcmds/mtd/mtd.c
+30 -1
View File
@@ -77,6 +77,7 @@ int mtd_main(int argc, char *argv[])
static void mtd_attach(void);
static void mtd_start(char *partition_names[], unsigned n_partitions);
static void mtd_test(void);
static void mtd_erase(char *partition_names[], unsigned n_partitions);
static bool attached = false;
static bool started = false;
@@ -102,9 +103,16 @@ int mtd_main(int argc, char *argv[])
if (!strcmp(argv[1], "test"))
mtd_test();
if (!strcmp(argv[1], "erase")) {
if (argc < 3) {
errx(1, "usage: mtd erase <PARTITION_PATH..>");
}
mtd_erase(argv + 2, argc - 2);
}
}
errx(1, "expected a command, try 'start' or 'test'");
errx(1, "expected a command, try 'start', 'erase' or 'test'");
}
struct mtd_dev_s *ramtron_initialize(FAR struct spi_dev_s *dev);
@@ -247,4 +255,25 @@ mtd_test(void)
exit(1);
}
static void
mtd_erase(char *partition_names[], unsigned n_partitions)
{
uint8_t v[64];
memset(v, 0xFF, sizeof(v));
for (uint8_t i = 0; i < n_partitions; i++) {
uint32_t count = 0;
printf("Erasing %s\n", partition_names[i]);
int fd = open(partition_names[i], O_WRONLY);
if (fd == -1) {
errx(1, "Failed to open partition");
}
while (write(fd, &v, sizeof(v)) == sizeof(v)) {
count += sizeof(v);
}
printf("Erased %lu bytes\n", (unsigned long)count);
close(fd);
}
exit(0);
}
#endif