From bae7798f1ef531c862421b37c0d5d462e34a6d2f Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Wed, 4 Jan 2017 23:47:09 +1100
Subject: esp8266/modules/flashbdev: Add RESERVED_SECS before the filesystem.

Starting at esp.flash_user_start(), the reserved sectors are for general
purpose use, for example for native code generation.  There is currently
one sector reserved as such.
---
 esp8266/modules/flashbdev.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'esp8266/modules/flashbdev.py')

diff --git a/esp8266/modules/flashbdev.py b/esp8266/modules/flashbdev.py
index e879895fb0..64f0363f96 100644
--- a/esp8266/modules/flashbdev.py
+++ b/esp8266/modules/flashbdev.py
@@ -3,8 +3,9 @@ import esp
 class FlashBdev:
 
     SEC_SIZE = 4096
-    START_SEC = esp.flash_user_start() // SEC_SIZE
-    NUM_BLK = 0x6b
+    RESERVED_SECS = 1
+    START_SEC = esp.flash_user_start() // SEC_SIZE + RESERVED_SECS
+    NUM_BLK = 0x6b - RESERVED_SECS
 
     def __init__(self, blocks=NUM_BLK):
         self.blocks = blocks
-- 
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