From c1e94b77a4b869b1198176910227d21e87d46664 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Tue, 20 Dec 2016 22:57:51 +0300
Subject: [PATCH] esp8266/modesp: flash_user_start(): Support configuration
with yaota8266.
It's pretty rough way to detect yaota8266 being used, but otherwise allows
to have a filesystem in such config.
---
esp8266/modesp.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/esp8266/modesp.c b/esp8266/modesp.c
index 4403dfde4..1cd231f79 100644
--- a/esp8266/modesp.c
+++ b/esp8266/modesp.c
@@ -629,7 +629,13 @@ STATIC mp_obj_t esp_flash_size(void) {
STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_flash_size_obj, esp_flash_size);
STATIC mp_obj_t esp_flash_user_start(void) {
- return MP_OBJ_NEW_SMALL_INT(0x90000);
+ if ((*(uint32_t*)0x40200000 & 0xff00) == 0x100) {
+ // If there's just 1 loadable segment at the start of flash,
+ // we assume there's a yaota8266 bootloader.
+ return MP_OBJ_NEW_SMALL_INT(0x3c000 + 0x90000);
+ } else {
+ return MP_OBJ_NEW_SMALL_INT(0x90000);
+ }
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_flash_user_start_obj, esp_flash_user_start);
--
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