diff options
| -rw-r--r-- | ports/nrf/main.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/ports/nrf/main.c b/ports/nrf/main.c index 3de5a310f..254d9491c 100644 --- a/ports/nrf/main.c +++ b/ports/nrf/main.c @@ -76,6 +76,13 @@ #include "usb_cdc.h" #endif +#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE +#include "extmod/vfs_fat.h" +#include "lib/oofatfs/ff.h" +#include "extmod/vfs.h" +#include "flashbdev.h" +#endif + void do_str(const char *src, mp_parse_input_kind_t input_kind) { mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0); if (lex == NULL) { @@ -99,6 +106,28 @@ void do_str(const char *src, mp_parse_input_kind_t input_kind) { extern uint32_t _heap_start; extern uint32_t _heap_end; +#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE +STATIC int vfs_mount_and_chdir(mp_obj_t bdev, mp_obj_t mount_point) { + nlr_buf_t nlr; + mp_int_t ret = -MP_EIO; + if (nlr_push(&nlr) == 0) { + mp_obj_t args[] = { bdev, mount_point }; + mp_vfs_mount(2, args, (mp_map_t *)&mp_const_empty_map); + mp_vfs_chdir(mount_point); + ret = 0; // success + nlr_pop(); + } else { + mp_obj_base_t *exc = nlr.ret_val; + if (mp_obj_is_subclass_fast(MP_OBJ_FROM_PTR(exc->type), MP_OBJ_FROM_PTR(&mp_type_OSError))) { + mp_obj_t v = mp_obj_exception_get_value(MP_OBJ_FROM_PTR(exc)); + mp_obj_get_int_maybe(v, &ret); // get errno value + ret = -ret; + } + } + return ret; +} +#endif + int main(int argc, char **argv) { @@ -169,6 +198,23 @@ soft_reset: pin_init0(); + #if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE + flashbdev_init(); + + // Try to mount the flash on "/flash" and chdir to it for the boot-up directory. + mp_obj_t mount_point = MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash); + int ret = vfs_mount_and_chdir((mp_obj_t)&nrf_flash_obj, mount_point); + + if ((ret == -MP_ENODEV) || (ret == -MP_EIO)) { + pyexec_frozen_module("_mkfs.py"); // Frozen script for formatting flash filesystem. + ret = vfs_mount_and_chdir((mp_obj_t)&nrf_flash_obj, mount_point); + } + + if (ret != 0) { + printf("MPY: can't mount flash\n"); + } + #endif + #if MICROPY_MBFS microbit_filesystem_init(); #endif |