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parameters: add simple backup and restore mechanism

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This commit is contained in:
Daniel Agar
2021-11-19 15:00:25 -05:00
parent e692f4ca01
commit 1f6acd0171
5 changed files with 124 additions and 24 deletions
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src/systemcmds/param/param.cpp
+23 -1
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@@ -140,7 +140,10 @@ $ reboot
PRINT_MODULE_USAGE_ARG("<file>", "File name (use default if not given)", true);
PRINT_MODULE_USAGE_COMMAND_DESCR("select", "Select default file");
PRINT_MODULE_USAGE_ARG("<file>", "File name (use <root>/eeprom/parameters if not given)", true);
PRINT_MODULE_USAGE_ARG("<file>", "File name", true);
PRINT_MODULE_USAGE_COMMAND_DESCR("select-backup", "Select default file");
PRINT_MODULE_USAGE_ARG("<file>", "File name", true);
PRINT_MODULE_USAGE_COMMAND_DESCR("show", "Show parameter values");
PRINT_MODULE_USAGE_PARAM_FLAG('a', "Show all parameters (not just used)", true);
@@ -253,6 +256,23 @@ param_main(int argc, char *argv[])
return 0;
}
if (!strcmp(argv[1], "select-backup")) {
if (argc >= 3) {
param_set_backup_file(argv[2]);
} else {
param_set_backup_file(nullptr);
}
const char *backup_file = param_get_backup_file();
if (backup_file) {
PX4_INFO("selected parameter backup file %s", backup_file);
}
return 0;
}
if (!strcmp(argv[1], "show")) {
if (argc >= 3) {
// optional argument -c to show only non-default params
@@ -525,6 +545,8 @@ do_import(const char *param_file_name)
PX4_ERR("open '%s' failed (%i)", param_file_name, errno);
return 1;
}
PX4_INFO("importing from '%s'", param_file_name);
}
int result = param_import(fd, mark_saved);