diff options
| author | Scott Shawcroft <scott.shawcroft@gmail.com> | 2017-01-12 12:33:15 -0800 |
|---|---|---|
| committer | Scott Shawcroft <scott.shawcroft@gmail.com> | 2017-01-12 12:46:44 -0800 |
| commit | 9ece7c907dc8bfc7487fc33242e8b52f15879dc7 (patch) | |
| tree | e8f7d4dc3b87757a3f020e585681f4ac9f5deae3 /py | |
| parent | 0d408488c5d328ac45bcb276d444089f0c297cf4 (diff) | |
Add persistent VFS shares so that the devices can be used with USB
that is present across soft-reset.
Diffstat (limited to 'py')
| -rw-r--r-- | py/mpconfig.h | 5 | ||||
| -rw-r--r-- | py/runtime.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h index 6d1893717..df75e0752 100644 --- a/py/mpconfig.h +++ b/py/mpconfig.h @@ -403,6 +403,11 @@ #define MICROPY_READER_FATFS (0) #endif +// Number of VFS mounts to persist across soft-reset. +#ifndef MICROPY_FATFS_NUM_PERSISTENT +#define MICROPY_FATFS_NUM_PERSISTENT (0) +#endif + // Hook for the VM at the start of the opcode loop (can contain variable // definitions usable by the other hook functions) #ifndef MICROPY_VM_HOOK_INIT diff --git a/py/runtime.c b/py/runtime.c index cd02debf8..c407a58a4 100644 --- a/py/runtime.c +++ b/py/runtime.c @@ -103,7 +103,8 @@ void mp_init(void) { #if MICROPY_FSUSERMOUNT // zero out the pointers to the user-mounted devices - memset(MP_STATE_VM(fs_user_mount), 0, sizeof(MP_STATE_VM(fs_user_mount))); + memset(MP_STATE_VM(fs_user_mount) + MICROPY_FATFS_NUM_PERSISTENT, 0, + sizeof(MP_STATE_VM(fs_user_mount)) - MICROPY_FATFS_NUM_PERSISTENT); #endif #if MICROPY_PY_THREAD_GIL |