ESP8266 Memory crash
Currently I want to create a mesh network by using one ESP32 and one ESP8266. Here is the code that I uploaded on ESP8266:
/*
Rui Santos
Complete project details at https://RandomNerdTutorials.com/esp-mesh-esp32-esp8266-painlessmesh/
This is a simple example that uses the painlessMesh library: https://github.com/gmag11/painlessMesh/blob/master/examples/basic/basic.ino
*/
#include "painlessMesh.h"
#define MESH_PREFIX "prefix"
#define MESH_PASSWORD "password"
#define MESH_PORT 5555
Scheduler userScheduler; // to control your personal task
painlessMesh mesh;
// User stub
void sendMessage() ; // Prototype so PlatformIO doesn't complain
Task taskSendMessage( TASK_SECOND * 1 , TASK_FOREVER, &sendMessage );
void sendMessage() {
String msg = "Hi from node1";
msg += mesh.getNodeId();
mesh.sendBroadcast( msg );
taskSendMessage.setInterval( random( TASK_SECOND * 1, TASK_SECOND * 5 ));
}
// Needed for painless library
void receivedCallback( uint32_t from, String &msg ) {
Serial.printf("startHere: Received from %u msg=%s\n", from, msg.c_str());
}
void newConnectionCallback(uint32_t nodeId) {
Serial.printf("--> startHere: New Connection, nodeId = %u\n", nodeId);
}
void changedConnectionCallback() {
Serial.printf("Changed connections\n");
}
void nodeTimeAdjustedCallback(int32_t offset) {
Serial.printf("Adjusted time %u. Offset = %d\n", mesh.getNodeTime(),offset);
}
void setup() {
Serial.begin(19200);
mesh.setDebugMsgTypes( ERROR | MESH_STATUS | CONNECTION | SYNC | COMMUNICATION | GENERAL | MSG_TYPES | REMOTE ); // all types on
// mesh.setDebugMsgTypes( ERROR | STARTUP ); // set before init() so that you can see startup messages
mesh.init( MESH_PREFIX, MESH_PASSWORD, &userScheduler, MESH_PORT );
mesh.onReceive(&receivedCallback);
mesh.onNewConnection(&newConnectionCallback);
mesh.onChangedConnections(&changedConnectionCallback);
mesh.onNodeTimeAdjusted(&nodeTimeAdjustedCallback);
userScheduler.addTask( taskSendMessage );
taskSendMessage.enable();
}
void loop() {
// it will run the user scheduler as well
mesh.update();
}
I have uploaded above code to the ESP8266, I am using platformIO and here is my platformio.ini:
[platformio]
default_envs = nodemcuv2
[env:esp32dev]
platform = espressif32
board = esp32dev
framework = arduino
monitor_speed = 19200
upload_speed = 921600
upload_port = /dev/ttyACM0
lib_deps = painlessmesh/painlessMesh@^1.5.0
SPI
Wire
painlessmesh/painlessMesh@^1.5.0
[env:nodemcuv2]
platform = espressif8266
board = nodemcuv2
framework = arduino
upload_protocol = esptool
board_build.ldscript = eagle.flash.4m2m.ld
build_flags =
-DESP8266
-D Mesh_device
upload_speed = 921600
monitor_speed = 19200
upload_port = /dev/ttyUSB0
lib_deps =
SPI
Wire
painlessmesh/painlessMesh@^1.5.0
TaskScheduler
ESPAsyncTCP
but here is my maze issue: I sometimes face this below memory crash. I meant when I restart NodeMCU every 4 or 5 times this exception comes up. But when I use 2 ESP32 by uploading same code I will never face this error.
Exception (3):
epc1=0x40100c85 epc2=0x00000000 epc3=0x00000000 excvaddr=0x40037b01 depc=0x00000000
>>>stack>>>
ctx: sys
sp: 3fffec70 end: 3fffffb0 offset: 0190
3fffee00: 3ffec7c0 3fff15f0 3fff6dcc 40201960
3fffee10: 00000792 00000792 3ffe8bc8 40100eb3
3fffee20: 402020e4 3fff7a44 00000002 3fff3aa0
3fffefa0: 40256ca4 3fffef3c 40256c55 3ffffe18
3fffefb0: 3fffffc0 00000000 00000000 feefeffe
3fffefc0: feefeffe feefeffe feefeffe feefeffe
3fffefd0: feefeffe feefeffe feefeffe feefeffe
3fffefe0: feefeffe feefeffe feefeffe feefeffe
3fffeff0: feefeffe feefeffe feefeffe feefeffe
3ffff000: feefeffe feefeffe feefeffe feefeffe
3ffff010: feefeffe feefeffe feefeffe feefeffe
3ffff020: feefeffe feefeffe feefeffe feefeffe
3ffff030: feefeffe feefeffe feefeffe feefeffe
3ffff040: feefeffe feefeffe feefeffe feefeffe
3ffff050: feefeffe feefeffe feefeffe feefeffe
3ffff060: feefeffe feefeffe feefeffe feefeffe
3ffff070: feefeffe feefeffe feefeffe feefeffe
3ffff080: feefeffe feefeffe feefeffe feefeffe
3ffff090: feefeffe feefeffe feefeffe feefeffe
3ffff0a0: feefeffe feefeffe feefeffe feefeffe
3ffff0b0: feefeffe feefeffe feefeffe feefeffe
3ffff0c0: feefeffe feefeffe feefeffe feefeffe
3ffff0d0: feefeffe feefeffe feefeffe feefeffe
3ffff0e0: feefeffe feefeffe feefeffe feefeffe
3ffff0f0: feefeffe feefeffe feefeffe feefeffe
3ffff100: feefeffe feefeffe feefeffe feefeffe
3ffff110: feefeffe feefeffe feefeffe feefeffe
3ffff120: feefeffe feefeffe feefeffe feefeffe
3ffff130: feefeffe feefeffe feefeffe feefeffe
3ffff140: feefeffe feefeffe feefeffe feefeffe
3ffff150: feefeffe feefeffe feefeffe feefeffe
3ffff160: feefeffe feefeffe feefeffe feefeffe
3ffff170: feefeffe feefeffe feefeffe feefeffe
3ffff180: feefeffe feefeffe feefeffe feefeffe
3ffff190: feefeffe feefeffe feefeffe feefeffe
3ffff1a0: feefeffe feefeffe feefeffe feefeffe
3ffff1b0: feefeffe feefeffe feefeffe feefeffe
3ffff1c0: feefeffe feefeffe feefeffe feefeffe
3ffff1d0: feefeffe feefeffe feefeffe feefeffe
3ffff1e0: feefeffe feefeffe feefeffe feefeffe
3ffff1f0: feefeffe feefeffe feefeffe feefeffe
3ffff200: feefeffe feefeffe feefeffe feefeffe
3ffff210: feefeffe feefeffe feefeffe feefeffe
3ffff220: feefeffe feefeffe feefeffe feefeffe
3ffff230: feefeffe feefeffe feefeffe feefeffe
3ffff240: feefeffe feefeffe feefeffe feefeffe
3ffff250: feefeffe feefeffe feefeffe feefeffe
3ffff260: feefeffe feefeffe feefeffe feefeffe
3ffff270: feefeffe feefeffe feefeffe feefeffe
3ffff280: feefeffe feefeffe feefeffe feefeffe
3ffff290: feefeffe feefeffe feefeffe feefeffe
3ffff2a0: feefeffe feefeffe feefeffe feefeffe
3ffff2b0: feefeffe feefeffe feefeffe feefeffe
3ffff2c0: feefeffe feefeffe feefeffe feefeffe
3ffff2d0: feefeffe feefeffe feefeffe feefeffe
3ffff2e0: feefeffe feefeffe feefeffe feefeffe
3ffff2f0: feefeffe feefeffe feefeffe feefeffe
3ffff300: feefeffe feefeffe feefeffe feefeffe
3ffff310: feefeffe feefeffe feefeffe feefeffe
3ffff320: feefeffe feefeffe feefeffe feefeffe
3ffff330: feefeffe feefeffe feefeffe feefeffe
3ffff340: feefeffe feefeffe feefeffe feefeffe
3ffff350: feefeffe feefeffe feefeffe feefeffe
3ffff360: feefeffe feefeffe feefeffe feefeffe
3ffff370: feefeffe feefeffe feefeffe feefeffe
3ffff380: feefeffe feefeffe feefeffe feefeffe
3ffff390: feefeffe feefeffe feefeffe feefeffe
3ffff3a0: feefeffe feefeffe feefeffe feefeffe
3ffff3b0: feefeffe feefeffe feefeffe feefeffe
3ffff3c0: feefeffe feefeffe feefeffe feefeffe
3ffff3d0: feefeffe feefeffe feefeffe feefeffe
3ffff3e0: feefeffe feefeffe feefeffe feefeffe
3ffff3f0: feefeffe feefeffe feefeffe feefeffe
3ffff400: feefeffe feefeffe feefeffe feefeffe
3ffff410: feefeffe feefeffe feefeffe feefeffe
3ffff420: feefeffe feefeffe feefeffe feefeffe
3ffff430: feefeffe feefeffe feefeffe feefeffe
3ffff440: feefeffe feefeffe feefeffe feefeffe
3ffff450: feefeffe feefeffe feefeffe feefeffe
3ffff460: feefeffe feefeffe feefeffe feefeffe
3ffff470: feefeffe feefeffe feefeffe feefeffe
3ffff480: feefeffe feefeffe feefeffe feefeffe
3ffff490: feefeffe feefeffe feefeffe feefeffe
3ffff4a0: feefeffe feefeffe feefeffe feefeffe
3ffff4b0: feefeffe feefeffe feefeffe feefeffe
3ffff4c0: feefeffe feefeffe feefeffe feefeffe
3ffff4d0: feefeffe feefeffe feefeffe feefeffe
3ffff4e0: feefeffe feefeffe feefeffe feefeffe
3ffff4f0: feefeffe feefeffe feefeffe feefeffe
3ffff500: feefeffe feefeffe feefeffe feefeffe
3ffff510: feefeffe feefeffe feefeffe feefeffe
3ffff520: feefeffe feefeffe feefeffe feefeffe
3ffff530: feefeffe feefeffe feefeffe feefeffe
3ffff540: feefeffe feefeffe feefeffe feefeffe
3ffff550: feefeffe feefeffe feefeffe feefeffe
3ffff560: feefeffe feefeffe feefeffe feefeffe
3ffff570: feefeffe feefeffe feefeffe feefeffe
3ffff580: feefeffe feefeffe feefeffe feefeffe
3ffff590: feefeffe feefeffe feefeffe feefeffe
3ffff5a0: feefeffe feefeffe feefeffe feefeffe
3ffff5b0: feefeffe feefeffe feefeffe feefeffe
3ffff5c0: feefeffe feefeffe feefeffe feefeffe
3ffff5d0: feefeffe feefeffe feefeffe feefeffe
3ffff5e0: feefeffe feefeffe feefeffe feefeffe
3ffff5f0: feefeffe feefeffe feefeffe feefeffe
3ffff600: feefeffe feefeffe feefeffe feefeffe
3ffff610: feefeffe feefeffe feefeffe feefeffe
3ffff620: feefeffe feefeffe feefeffe feefeffe
3ffff630: feefeffe feefeffe feefeffe feefeffe
3ffff640: feefeffe feefeffe feefeffe feefeffe
3ffff650: feefeffe feefeffe feefeffe feefeffe
3ffff660: feefeffe feefeffe feefeffe feefeffe
3ffff670: feefeffe feefeffe feefeffe feefeffe
3ffff680: feefeffe feefeffe feefeffe feefeffe
3ffff690: feefeffe feefeffe feefeffe feefeffe
3ffff6a0: feefeffe feefeffe feefeffe feefeffe
3ffff6b0: feefeffe feefeffe feefeffe feefeffe
3ffff6c0: feefeffe feefeffe feefeffe feefeffe
3ffff6d0: feefeffe feefeffe feefeffe feefeffe
3ffff6e0: feefeffe feefeffe feefeffe feefeffe
3ffff6f0: feefeffe feefeffe feefeffe feefeffe
3ffff700: feefeffe feefeffe feefeffe feefeffe
3ffff710: feefeffe feefeffe feefeffe feefeffe
3ffff720: feefeffe feefeffe feefeffe feefeffe
3ffff730: feefeffe feefeffe feefeffe feefeffe
3ffff740: feefeffe feefeffe feefeffe feefeffe
<<<stack<<<
Consider that I have delete lots of memory address like 3ffff740: feefeffe feefeffe feefeffe feefeffe
for safety here.
Edited by siavash shojaee