From ba65783177ac8ca9be3c8b93a0c3cc7474b2f31e Mon Sep 17 00:00:00 2001
From: ficeto <ficeto@Hristos-Mac-mini-2.local>
Date: Mon, 18 May 2015 22:34:34 +0300
Subject: [PATCH] add method to get the actual size of the flash

---
 cores/esp8266/Esp.cpp | 5 +++++
 cores/esp8266/Esp.h   | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/cores/esp8266/Esp.cpp b/cores/esp8266/Esp.cpp
index cb5533690..67e6a41af 100644
--- a/cores/esp8266/Esp.cpp
+++ b/cores/esp8266/Esp.cpp
@@ -158,6 +158,11 @@ uint32_t EspClass::getFlashChipId(void)
     return spi_flash_get_id();
 }
 
+uint32_t EspClass::getFlashChipRealSize(void)
+{
+    return (1 << ((spi_flash_get_id() >> 16) & 0xFF));
+}
+
 uint32_t EspClass::getFlashChipSize(void)
 {
     uint32_t data;
diff --git a/cores/esp8266/Esp.h b/cores/esp8266/Esp.h
index 9750dd312..5e356459e 100644
--- a/cores/esp8266/Esp.h
+++ b/cores/esp8266/Esp.h
@@ -90,6 +90,9 @@ class EspClass {
         uint8_t getCpuFreqMHz(void);
 
         uint32_t getFlashChipId(void);
+        //gets the actual chip size based on the flash id
+        uint32_t getFlashChipRealSize(void);
+        //gets the size of the flash as set by the compiler
         uint32_t getFlashChipSize(void);
         uint32_t getFlashChipSpeed(void);
         FlashMode_t getFlashChipMode(void);