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Tweak the MAVlink parameter load/save path to deal with NXFFS.

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This commit is contained in:
px4dev 2012-08-20 09:55:53 -07:00
parent d17bbc7a0b
commit 4ddf93bd06
1 changed files with 22 additions and 11 deletions
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33
apps/mavlink/mavlink_parameters.c
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@ -43,6 +43,7 @@
#include <assert.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdbool.h>
#include <string.h>
#include <systemlib/param/param.h>
@ -145,20 +146,27 @@ int mavlink_pm_send_param(param_t param)
return mavlink_missionlib_send_message(&tx_msg);
}
static const char *mavlink_parameter_file = "/eeprom/parameters";
static int
mavlink_pm_save_eeprom()
{
const char* name = "/eeprom";
int fd = open("/eeprom", O_WRONLY | O_CREAT | O_EXCL);
unlink(mavlink_parameter_file);
if (fd < 0)
warn(1, "opening '%s' failed", name);
int fd = open(mavlink_parameter_file, O_WRONLY | O_CREAT | O_EXCL);
if (fd < 0) {
warn(1, "opening '%s' failed", mavlink_parameter_file);
return -1;
}
int result = param_export(fd, false);
close(fd);
if (result < 0) {
warn(1, "error exporting to '%s'", name);
unlink(mavlink_parameter_file);
warn(1, "error exporting to '%s'", mavlink_parameter_file);
return -1;
}
return 0;
@ -167,17 +175,20 @@ mavlink_pm_save_eeprom()
static int
mavlink_pm_load_eeprom()
{
const char* name = "/eeprom";
int fd = open(name, O_RDONLY);
int fd = open(mavlink_parameter_file, O_RDONLY);
if (fd < 0)
warn(1, "open '%s' failed", name);
if (fd < 0) {
warn(1, "open '%s' failed", mavlink_parameter_file);
return -1;
}
int result = param_import(fd);
close(fd);
if (result < 0)
warn(1, "error importing from '%s'", name);
if (result < 0) {
warn(1, "error importing from '%s'", mavlink_parameter_file);
return -1;
}
return 0;
}