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Rework fs_dev mount code

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This commit is contained in:
TuxSH 2018-05-06 18:39:46 +02:00
parent a29e800661
commit 2c07b5a2fb
4 changed files with 39 additions and 44 deletions
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76
fusee/fusee-secondary/src/fs_dev.c
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@ -75,53 +75,52 @@ typedef struct fsdev_fsdevice_t {
FATFS fatfs;
} fsdev_fsdevice_t;
static fsdev_fsdevice_t g_devices[10] = { 0 };
static fsdev_fsdevice_t g_devices[FF_VOLUMES] = { 0 };
const char *VolumeStr[FF_VOLUMES] = { 0 };
/* Restrictions: 10 drives max, and **update FF_VOLUME_STRS accordingly** */
int fsdev_mount_device(const char *name) {
int fsdev_mount_device(const char *name, unsigned int id) {
fsdev_fsdevice_t *device = &g_devices[id];
FRESULT rc;
char drname[40];
if (id >= FF_VOLUMES) {
errno = EINVAL;
return -1;
}
if (name[0] == '\0' || strlen(name) > 32) {
errno = ENAMETOOLONG;
return -1;
}
if (FindDevice(name) != -1) {
if (FindDevice(name) != -1 || g_devices[id].setup) {
errno = EEXIST; /* Device already exists */
return -1;
}
/* Find a free slot and use it */
for (size_t i = 0; i < 10; i++) {
if (!g_devices[i].setup) {
fsdev_fsdevice_t *device = &g_devices[i];
FRESULT rc;
char drname[40];
strcpy(drname, name);
strcat(drname, ":");
strcpy(device->name, name);
rc = f_mount(&device->fatfs, drname, 1);
memcpy(&device->devoptab, &g_fsdev_devoptab, sizeof(devoptab_t));
device->devoptab.name = device->name;
device->devoptab.deviceData = device;
VolumeStr[id] = device->name;
if (rc != FR_OK) {
return fsdev_convert_rc(NULL, rc);
}
strcpy(drname, name);
strcat(drname, ":");
strcpy(device->name, name);
rc = f_mount(&device->fatfs, drname, 1);
memcpy(&device->devoptab, &g_fsdev_devoptab, sizeof(devoptab_t));
device->devoptab.name = device->name;
device->devoptab.deviceData = device;
if (AddDevice(&device->devoptab) == -1) {
errno = ENOMEM;
return -1;
} else {
device->setup = true;
return 0;
}
}
if (rc != FR_OK) {
return fsdev_convert_rc(NULL, rc);
}
errno = ENOMEM;
return -1;
if (AddDevice(&device->devoptab) == -1) {
f_unmount(drname);
VolumeStr[id] = NULL;
errno = ENOMEM;
return -1;
} else {
device->setup = true;
return 0;
}
}
int fsdev_set_default_device(const char *name) {
@ -175,10 +174,11 @@ int fsdev_unmount_device(const char *name) {
}
int fsdev_mount_all(void) {
static const char* const volid[] = { FF_VOLUME_STRS };
/* Change this accordingly: */
static const char* const volumes[] = { "sdmc" };
for (size_t i = 0; i < sizeof(volid)/sizeof(volid[0]); i++) {
int ret = fsdev_mount_device(volid[i]);
for (size_t i = 0; i < FF_VOLUMES; i++) {
int ret = fsdev_mount_device(volumes[i], i);
if (ret != 0) {
return ret;
}
@ -188,10 +188,8 @@ int fsdev_mount_all(void) {
}
int fsdev_unmount_all(void) {
static const char* const volid[] = { FF_VOLUME_STRS };
for (size_t i = 0; i < sizeof(volid)/sizeof(volid[0]); i++) {
int ret = fsdev_unmount_device(volid[i]);
for (size_t i = 0; i < FF_VOLUMES; i++) {
int ret = fsdev_unmount_device(VolumeStr[i]);
if (ret != 0) {
return ret;
}