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New param interface for microSD and EEPROM

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This commit is contained in:
Lorenz Meier
2012-10-31 16:31:21 +01:00
parent 8dcde7f8cd
commit 0ddfd7c75c
5 changed files with 141 additions and 108 deletions
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51
apps/systemcmds/param/param.c
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@@ -56,36 +56,53 @@
__EXPORT int param_main(int argc, char *argv[]);
static void do_save(void);
static void do_load(void);
static void do_import(void);
static void do_save(const char* param_file_name);
static void do_load(const char* param_file_name);
static void do_import(const char* param_file_name);
static void do_show(void);
static void do_show_print(void *arg, param_t param);
static const char *param_file_name = "/eeprom/parameters";
static const char *param_file_name_default = "/fs/microsd/parameters";
int
param_main(int argc, char *argv[])
{
if (argc >= 2) {
if (!strcmp(argv[1], "save"))
do_save();
if (!strcmp(argv[1], "save")) {
if (argc >= 3) {
do_save(argv[2]);
} else {
do_save(param_file_name_default);
}
}
if (!strcmp(argv[1], "load"))
do_load();
if (!strcmp(argv[1], "load")) {
if (argc >= 3) {
do_load(argv[2]);
} else {
do_load(param_file_name_default);
}
}
if (!strcmp(argv[1], "import"))
do_import();
if (!strcmp(argv[1], "import")) {
if (argc >= 3) {
do_import(argv[2]);
} else {
do_import(param_file_name_default);
}
}
if (!strcmp(argv[1], "show"))
if (!strcmp(argv[1], "show")) {
do_show();
}
}
errx(1, "expected a command, try 'load', 'import', 'show' or 'save'\n");
}
static void
do_save(void)
do_save(const char* param_file_name)
{
/* delete the parameter file in case it exists */
unlink(param_file_name);
@@ -108,7 +125,7 @@ do_save(void)
}
static void
do_load(void)
do_load(const char* param_file_name)
{
int fd = open(param_file_name, O_RDONLY);
@@ -118,14 +135,18 @@ do_load(void)
int result = param_load(fd);
close(fd);
if (result < 0)
if (result < 0) {
errx(1, "error importing from '%s'", param_file_name);
} else {
/* set default file name for next storage operation */
param_set_default_file(param_file_name);
}
exit(0);
}
static void
do_import(void)
do_import(const char* param_file_name)
{
int fd = open(param_file_name, O_RDONLY);