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| author | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2016-04-18 17:12:57 +0300 |
|---|---|---|
| committer | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2016-04-18 17:12:57 +0300 |
| commit | 89e56a80b8be9451da576b5bc3f0cebd0ecefc9f (patch) | |
| tree | 7f3953a59968aa5ce2a0abfde50b717071fae0f0 | |
| parent | 3a5a35aaeccfc03a45771b0a6f613d8ff25cd25f (diff) | |
| download | micropython-89e56a80b8be9451da576b5bc3f0cebd0ecefc9f.tar.gz micropython-89e56a80b8be9451da576b5bc3f0cebd0ecefc9f.zip | |
esp8266/modesp: Add flash_size() function.
Returns FlashROM size in bytes from vendor SDK's point of view, not
physical size.
| -rw-r--r-- | esp8266/modesp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/esp8266/modesp.c b/esp8266/modesp.c index bcc7c73605..fd54ae0704 100644 --- a/esp8266/modesp.c +++ b/esp8266/modesp.c @@ -609,6 +609,23 @@ STATIC mp_obj_t esp_flash_erase(mp_obj_t sector_in) { } STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_flash_erase_obj, esp_flash_erase); +STATIC mp_obj_t esp_flash_size(void) { + extern char flashchip; + // For SDK 1.5.2, either address has shifted and not mirrored in + // eagle.rom.addr.v6.ld, or extra initial member was added. + SpiFlashChip *flash = (SpiFlashChip*)(&flashchip + 4); + #if 0 + printf("deviceId: %x\n", flash->deviceId); + printf("chip_size: %u\n", flash->chip_size); + printf("block_size: %u\n", flash->block_size); + printf("sector_size: %u\n", flash->sector_size); + printf("page_size: %u\n", flash->page_size); + printf("status_mask: %u\n", flash->status_mask); + #endif + return mp_obj_new_int_from_uint(flash->chip_size); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_flash_size_obj, esp_flash_size); + STATIC mp_obj_t esp_neopixel_write_(mp_obj_t pin, mp_obj_t buf, mp_obj_t is800k) { mp_buffer_info_t bufinfo; mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_READ); @@ -639,6 +656,7 @@ STATIC const mp_map_elem_t esp_module_globals_table[] = { { MP_OBJ_NEW_QSTR(MP_QSTR_flash_read), (mp_obj_t)&esp_flash_read_obj }, { MP_OBJ_NEW_QSTR(MP_QSTR_flash_write), (mp_obj_t)&esp_flash_write_obj }, { MP_OBJ_NEW_QSTR(MP_QSTR_flash_erase), (mp_obj_t)&esp_flash_erase_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_flash_size), (mp_obj_t)&esp_flash_size_obj }, #if MODESP_ESPCONN { MP_OBJ_NEW_QSTR(MP_QSTR_socket), (mp_obj_t)&esp_socket_type }, { MP_OBJ_NEW_QSTR(MP_QSTR_getaddrinfo), (mp_obj_t)&esp_getaddrinfo_obj }, |