Merge remote-tracking branch 'esporigin/esp8266' into SPIFFS-OTA

Author: pgollor

hardware/esp8266com/esp8266/cores/esp8266/WString.cpp

@@ -118,7 +118,7 @@ ICACHE_FLASH_ATTR String::String(double value, unsigned char decimalPlaces) {
 }
 
 ICACHE_FLASH_ATTR String::~String() {
-    os_free(buffer);
+    free(buffer);
 }
 
 // /*********************************************/
@@ -133,7 +133,7 @@ inline void String::init(void) {
 
 void ICACHE_FLASH_ATTR String::invalidate(void) {
     if(buffer)
-        os_free(buffer);
+        free(buffer);
     buffer = NULL;
     capacity = len = 0;
 }
@@ -150,12 +150,18 @@ unsigned char ICACHE_FLASH_ATTR String::reserve(unsigned int size) {
 }
 
 unsigned char ICACHE_FLASH_ATTR String::changeBuffer(unsigned int maxStrLen) {
-    char *newbuffer = (char *) os_realloc(buffer, maxStrLen + 1);
+    size_t newSize = (maxStrLen + 16) & (~0xf);
+    char *newbuffer = (char *) malloc(newSize);
     if(newbuffer) {
+        memset(newbuffer, 0, newSize);
+        memcpy(newbuffer, buffer, len);
+        if (buffer)
+            free(buffer);
+        capacity = newSize - 1;
         buffer = newbuffer;
-        capacity = maxStrLen;
         return 1;
     }
+    buffer = newbuffer;
     return 0;
 }
 
@@ -192,7 +198,7 @@ void ICACHE_FLASH_ATTR String::move(String &rhs) {
             rhs.len = 0;
             return;
         } else {
-            os_free(buffer);
+            free(buffer);
         }
     }
     buffer = rhs.buffer;

hardware/esp8266com/esp8266/cores/esp8266/core_esp8266_postmortem.c

@@ -1,8 +1,8 @@
-/* 
+/*
  postmortem.c - output of debug info on sketch crash
  Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
  This file is part of the esp8266 core for Arduino environment.
- 
+
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
@@ -42,25 +42,28 @@ void __wrap_system_restart_local() {
 
     struct rst_info rst_info = {0};
     system_rtc_mem_read(0, &rst_info, sizeof(rst_info));
-    if (rst_info.reason != REASON_SOFT_WDT_RST && 
+    if (rst_info.reason != REASON_SOFT_WDT_RST &&
         rst_info.reason != REASON_EXCEPTION_RST &&
-        rst_info.reason != REASON_WDT_RST) 
+        rst_info.reason != REASON_WDT_RST)
     {
         return;
     }
 
     ets_install_putc1(&uart_write_char_d);
 
     if (rst_info.reason == REASON_EXCEPTION_RST) {
-        ets_printf("\nException (%d):\nepc1=0x%08x epc2=0x%08x epc3=0x%08x excvaddr=0x%08x depc=0x%08x\n", 
+        ets_printf("\nException (%d):\nepc1=0x%08x epc2=0x%08x epc3=0x%08x excvaddr=0x%08x depc=0x%08x\n",
             rst_info.exccause, rst_info.epc1, rst_info.epc2, rst_info.epc3, rst_info.excvaddr, rst_info.depc);
     }
+    else if (rst_info.reason == REASON_SOFT_WDT_RST) {
+        ets_printf("\nSoft WDT reset\n");
+    }
 
     uint32_t cont_stack_start = (uint32_t) &(g_cont.stack);
     uint32_t cont_stack_end = (uint32_t) g_cont.stack_end;
     uint32_t stack_end;
 
-    // amount of stack taken by interrupt or exception handler 
+    // amount of stack taken by interrupt or exception handler
     // and everything up to __wrap_system_restart_local
     // (determined empirically, might break)
     uint32_t offset = 0;
@@ -80,13 +83,13 @@ void __wrap_system_restart_local() {
     }
     else {
         ets_printf("\nctx: sys \n");
-        stack_end = 0x3fffffb0;  
-        // it's actually 0x3ffffff0, but the stuff below ets_run 
+        stack_end = 0x3fffffb0;
+        // it's actually 0x3ffffff0, but the stuff below ets_run
         // is likely not really relevant to the crash
     }
-    
+
     ets_printf("sp: %08x end: %08x offset: %04x\n", sp, stack_end, offset);
-    
+
     // print_pcs(sp + offset, stack_end);
     print_stack(sp + offset, stack_end);
     delayMicroseconds(10000);
@@ -102,7 +105,7 @@ static void print_stack(uint32_t start, uint32_t end) {
         // rough indicator: stack frames usually have SP saved as the second word
         bool looksLikeStackFrame = (values[2] == pos + 0x10);
 
-        ets_printf("%08x:  %08x %08x %08x %08x %c\n", 
+        ets_printf("%08x:  %08x %08x %08x %08x %c\n",
             pos, values[0], values[1], values[2], values[3], (looksLikeStackFrame)?'<':' ');
     }
     ets_printf("<<<stack<<<\n");

hardware/esp8266com/esp8266/doc/reference.md

@@ -26,7 +26,7 @@ title: Reference
      * [size](#size)
      * [name](#name)
      * [close](#close)
-  * [WiFi(ESP8266WiFi library)](#wifiesp8266wifi-library)
+ * [WiFi(ESP8266WiFi library)](#wifiesp8266wifi-library)
  * [Ticker](#ticker)
  * [EEPROM](#eeprom)
  * [I2C (Wire library)](#i2c-wire-library)
@@ -382,7 +382,7 @@ Size can be anywhere between 4 and 4096 bytes.
 whenever you wish to save changes to flash. `EEPROM.end()` will also commit, and will
 release the RAM copy of EEPROM contents.
 
-EEPROM library uses one sector of flash located at 0x7b000 for storage.
+EEPROM library uses one sector of flash located just after the SPIFFS.
 
 Three examples included.
 

hardware/esp8266com/esp8266/libraries/ESP8266WebServer/src/ESP8266WebServer.cpp

@@ -130,10 +130,10 @@ void ESP8266WebServer::_prepareHeader(String& response, int code, const char* co
 
     sendHeader("Content-Type", content_type, true);
     if (_contentLength != CONTENT_LENGTH_UNKNOWN && _contentLength != CONTENT_LENGTH_NOT_SET) {
-        sendHeader("Content-Length", String(_contentLength).c_str());
+        sendHeader("Content-Length", String(_contentLength));
     }
     else if (contentLength > 0){
-        sendHeader("Content-Length", String(contentLength).c_str());
+        sendHeader("Content-Length", String(contentLength));
     }
     sendHeader("Connection", "close");
     sendHeader("Access-Control-Allow-Origin", "*");