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esp8266/modesp: Add flash_size() function. 

Returns FlashROM size in bytes from vendor SDK's point of view, not
physical size.
This commit is contained in:
Paul Sokolovsky 2016-04-18 17:12:57 +03:00
parent 3a5a35aaec
commit 89e56a80b8
1 changed files with 18 additions and 0 deletions
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18
esp8266/modesp.c
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@ -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 },