Using ESP-M3 modules with ESPHome

Beantree · September 23, 2020, 12:47pm

I can happily burn ESPHome onto the ESP-M3 using esphomeflasher
It just won’t run. With the serial USB connected I just see a bit of gibberish as if it’s set to the wrong baud rate.
I am using

 platform: esp8266
 board: esp8285

I have tried various boards, but no luck.
Any clues.
Thanks

vincen · September 23, 2020, 3:06pm

May you share whole esphome code used ? and also picture of the board you use ?

nickrout · September 25, 2020, 10:34pm

Have you tried different baud rates for the logger?

Does it appear on your wifi? Or start an AP?

Beantree · September 27, 2020, 4:10pm

This is the board
esp-m3

Here is my YAML

esphome:
  name: white_bulb_4
  platform: esp8266
  board: esp01

wifi:
  ssid: "XXXXXXXX"
  password: "xxxxxxx"

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "White Bulb 4 Fallback Hotspot"
    password: "xxxxxxxxxx"

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:
  password: "s2sfilwY"

ota:
  password: "s2sfilwY"

This is what esphomeflasher shows

Using 'COM3' as serial port.
Connecting....
Detecting chip type... ESP8266
Connecting...

Chip Info:
 - Chip Family: ESP8266
 - Chip Model: ESP8285
 - Chip ID: 0070C049
 - MAC Address: C8:2B:96:70:C0:49
Uploading stub...
Running stub...
Stub running...
 - Flash Size: 2MB
 - Flash Mode: dout
 - Flash Frequency: 40MHz
Erasing flash (this may take a while)...
Chip erase completed successfully in 2.4s
Flash params set to 0x0330
Compressed 392592 bytes to 273027...
Wrote 392592 bytes (273027 compressed) at 0x00000000 in 24.3 seconds (effective 129.4 kbit/s)...
Hash of data verified.

Leaving...
Hard Resetting...
Done! Flashing is complete!

Showing logs:

This is what I see on the serial monitor

▒▒▒▒r▒▒n▒b

--------------- CUT HERE FOR EXCEPTION DECODER ---------------

 ets Jan  8 2013,rst cause:2, boot mode:(3,6)

load 0x4010f000, len 3584, room 16
tail 0
chksum 0xb0
csum 0xb0
v2843a5ac
~ld

   --------------- CUT HERE FOR EXCEPTION DECODER ---------------

Exception (0):
epc1=0x4024f85e epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000000 depc=0x00000000

>>>stack>>>

There is a load of hex dump after this. This just repeats.
It does not connect to wifi.
Please let me know if I can give any more info.
I am an experienced user of esphome and esp8266 in general, but I can’t get these little boards to work. By the way, I have tried two boards.

nickrout · September 27, 2020, 7:01pm

I believe they are esp8285 not esp01.

Beantree · September 27, 2020, 7:15pm

I have tried esp8285 - no different. As you see, esphomeflasher detects it correctly anyway.

nickrout · September 27, 2020, 11:40pm

I am not familiar with esphomeflasher, never used it.

What log output does esphome give when uploading with esphome?

nickrout · September 27, 2020, 11:51pm

Also, google finds several threads about similar errors. An example only https://github.com/arendst/Tasmota/issues/4659

It seems to be related to using an old version of the arduino framework. Which version of esphome are you using? Also see here https://esphome.io/components/esphome.html?highlight=arduino#arduino-version

Beantree · September 28, 2020, 7:21am

esphomeflasher is a provided by Otto Winter to flash new devices without plugging them into your HA.https://github.com/esphome/esphome-flasher
I have always used this with ESPHome.
I am using the latest version of ESPhome - Current version: 1.15.2
I just click compile on the module.

and then download the binary. The compilation is the same. Just a different way of delivering it.
Here is the log from the compilation

INFO Reading configuration /config/esphome/white_bulb_4.yaml...
INFO Generating C++ source...
INFO Core config or version changed, cleaning build files...
INFO Deleting /data/white_bulb_4/.pioenvs
INFO Deleting /data/white_bulb_4/.piolibdeps
INFO Compiling app...
INFO Running:  platformio run -d /config/esphome/white_bulb_4
Processing white_bulb_4 (board: esp8285; framework: arduino; platform: [email protected])
--------------------------------------------------------------------------------
HARDWARE: ESP8266 80MHz, 80KB RAM, 1MB Flash
PACKAGES: 
 - framework-arduinoespressif8266 3.20704.0 (2.7.4) 
 - tool-esptool 1.413.0 (4.13) 
 - tool-esptoolpy 1.20800.0 (2.8.0) 
 - toolchain-xtensa 2.40802.200502 (4.8.2)
Looking for ESPAsyncTCP-esphome library in registry
LibraryManager: Installing id=6757 @ 1.2.3
ESPAsyncTCP-esphome @ 1.2.3 has been successfully installed!
Looking for ESPAsyncWebServer-esphome library in registry
LibraryManager: Installing id=6758 @ 1.2.7
ESPAsyncWebServer-esphome @ 1.2.7 has been successfully installed!
Looking for ESPAsyncTCP-esphome library in registry
LibraryManager: Installing id=6757
ESPAsyncTCP-esphome @ 1.2.3 has been successfully installed!
Looking for AsyncTCP-esphome library in registry
LibraryManager: Installing id=6798
AsyncTCP-esphome @ 1.1.1 has been successfully installed!
Dependency Graph
|-- <ESPAsyncTCP-esphome> 1.2.3
|   |-- <ESP8266WiFi> 1.0
|-- <ESP8266WiFi> 1.0
|-- <ESP8266mDNS> 1.2
|   |-- <ESP8266WiFi> 1.0
|-- <ESPAsyncWebServer-esphome> 1.2.7
|   |-- <ESPAsyncTCP-esphome> 1.2.3
|   |   |-- <ESP8266WiFi> 1.0
|   |-- <Hash> 1.0
|   |-- <ESP8266WiFi> 1.0
|-- <DNSServer> 1.1.1
|   |-- <ESP8266WiFi> 1.0
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/api/api_connection.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/api/api_pb2.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/api/api_pb2_service.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/api/api_server.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/api/list_entities.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/api/proto.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/api/subscribe_state.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/api/user_services.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/api/util.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/captive_portal/captive_portal.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/logger/logger.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/ota/ota_component.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/web_server_base/web_server_base.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/wifi/wifi_component.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/wifi/wifi_component_esp32.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/components/wifi/wifi_component_esp8266.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/core/application.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/core/component.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/core/controller.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/core/esphal.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/core/helpers.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/core/log.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/core/preferences.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/core/scheduler.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/esphome/core/util.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/src/main.cpp.o
Generating LD script /data/white_bulb_4/.pioenvs/white_bulb_4/ld/local.eagle.app.v6.common.ld
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/BearSSLHelpers.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/CertStoreBearSSL.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/ESP8266WiFi.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/ESP8266WiFiAP.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/ESP8266WiFiGeneric.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/ESP8266WiFiGratuitous.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/ESP8266WiFiMulti.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/ESP8266WiFiSTA-WPS.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/ESP8266WiFiSTA.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/ESP8266WiFiScan.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/WiFiClient.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/WiFiClientSecureAxTLS.cpp.o
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Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/WiFiServer.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/WiFiServerSecureAxTLS.cpp.o
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Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/ESP8266WiFi/WiFiUdp.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib215/ESPAsyncTCP-esphome/AsyncPrinter.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib215/ESPAsyncTCP-esphome/ESPAsyncTCP.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib215/ESPAsyncTCP-esphome/ESPAsyncTCPbuffer.cpp.o
Archiving /data/white_bulb_4/.pioenvs/white_bulb_4/lib4d9/libESP8266WiFi.a
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib215/ESPAsyncTCP-esphome/SyncClient.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib215/ESPAsyncTCP-esphome/tcp_axtls.c.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib0d3/ESP8266mDNS/ESP8266mDNS.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib0d3/ESP8266mDNS/ESP8266mDNS_Legacy.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib0d3/ESP8266mDNS/LEAmDNS.cpp.o
Archiving /data/white_bulb_4/.pioenvs/white_bulb_4/lib215/libESPAsyncTCP-esphome.a
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib0d3/ESP8266mDNS/LEAmDNS_Control.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib0d3/ESP8266mDNS/LEAmDNS_Helpers.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib0d3/ESP8266mDNS/LEAmDNS_Structs.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib0d3/ESP8266mDNS/LEAmDNS_Transfer.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib6f5/Hash/Hash.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/libb1b/ESPAsyncWebServer-esphome/AsyncEventSource.cpp.o
Archiving /data/white_bulb_4/.pioenvs/white_bulb_4/lib6f5/libHash.a
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/libb1b/ESPAsyncWebServer-esphome/AsyncWebSocket.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/libb1b/ESPAsyncWebServer-esphome/SPIFFSEditor.cpp.o
Archiving /data/white_bulb_4/.pioenvs/white_bulb_4/lib0d3/libESP8266mDNS.a
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/libb1b/ESPAsyncWebServer-esphome/WebAuthentication.cpp.o
In file included from /data/white_bulb_4/.piolibdeps/white_bulb_4/ESPAsyncWebServer-esphome/src/SPIFFSEditor.cpp:1:0:
/data/white_bulb_4/.piolibdeps/white_bulb_4/ESPAsyncWebServer-esphome/src/SPIFFSEditor.h:16:101: warning: 'SPIFFS' is deprecated (declared at /root/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/FS.h:269): SPIFFS has been deprecated. Please consider moving to LittleFS or other filesystems. [-Wdeprecated-declarations]
     SPIFFSEditor(const String& username=String(), const String& password=String(), const fs::FS& fs=SPIFFS);
                                                                                                     ^
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/libb1b/ESPAsyncWebServer-esphome/WebHandlers.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/libb1b/ESPAsyncWebServer-esphome/WebRequest.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/libb1b/ESPAsyncWebServer-esphome/WebResponses.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/libb1b/ESPAsyncWebServer-esphome/WebServer.cpp.o
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/lib760/DNSServer/DNSServer.cpp.o
Archiving /data/white_bulb_4/.pioenvs/white_bulb_4/lib760/libDNSServer.a
Archiving /data/white_bulb_4/.pioenvs/white_bulb_4/libFrameworkArduinoVariant.a
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/FrameworkArduino/Crypto.cpp.o
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Archiving /data/white_bulb_4/.pioenvs/white_bulb_4/libb1b/libESPAsyncWebServer-esphome.a
Compiling /data/white_bulb_4/.pioenvs/white_bulb_4/FrameworkArduino/Esp.cpp.o
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Linking /data/white_bulb_4/.pioenvs/white_bulb_4/firmware.elf
Building /data/white_bulb_4/.pioenvs/white_bulb_4/firmware.bin
Retrieving maximum program size /data/white_bulb_4/.pioenvs/white_bulb_4/firmware.elf
Checking size /data/white_bulb_4/.pioenvs/white_bulb_4/firmware.elf
RAM:   [====      ]  44.4% (used 36380 bytes from 81920 bytes)
Flash: [====      ]  37.9% (used 388432 bytes from 1023984 bytes)
Creating BIN file "/data/white_bulb_4/.pioenvs/white_bulb_4/firmware.bin" using "/root/.platformio/packages/framework-arduinoespressif8266/bootloaders/eboot/eboot.elf" and "/data/white_bulb_4/.pioenvs/white_bulb_4/firmware.elf"
========================= [SUCCESS] Took 77.41 seconds =========================
INFO Successfully compiled program.

I used esphomeflasher to flash the same bin file to a D1 Mini and got this

Using 'COM11' as serial port.
Connecting....
Detecting chip type... ESP8266
Connecting....

Chip I(94 %)Writing at 0x00040000... (100 %)Wrote 392592 bytes (273021 compressed) at 0x00000000 in 6.2 seconds (effective 503.9 kbit/s)...
Hash of data verified.

Leaving...
Hard Resetting...
Done! Flashing is complete!

Showing logs:
[08:17:53][I][logger:166]: Log initialized
[08:17:53][C][ota:366]: There have been 1 suspected unsuccessful boot attempts.
[08:17:53][I][app:029]: Running through setup()...
[08:17:53][C][wifi:033]: Setting up WiFi...
[08:17:53][D][wifi:324]: Starting scan...
[08:17:59][D][wifi:339]: Found networks:
[08:17:59][I][wifi:385]: - 'FARLEIGH' (3C:89:94:FA:4A:82) ▂▄▆█
[08:17:59][D][wifi:386]:     Channel: 6
[08:17:59][D][wifi:387]:     RSSI: -50 dB
[08:17:59][D][wifi:389]: - 'MicroPython-156649' (62:01:94:15:66:49) ▂▄▆█
[08:17:59][D][wifi:389]: - 'BTHub5-3TGT' (A4:08:F5:AB:44:DC) ▂▄▆█
[08:17:59][D][wifi:389]: - 'BTWi-fi' (A6:08:F5:AB:44:DC) ▂▄▆█
[08:17:59][D][wifi:389]: - '' (88:DE:A9:FB:70:47) ▂▄▆█
[08:17:59][D][wifi:389]: - 'BTWi-fi' (5A:90:43:23:90:F5) ▂▄▆█
[08:17:59][D][wifi:389]: - '' (FA:8F:CA:36:7D:06) ▂▄▆█
[08:17:59][D][wifi:389]: - 'DIRECT-2d-HP M252 LaserJet' (FA:DA:0C:54:79:2D) ▂▄▆█
[08:17:59][D][wifi:389]: - 'BTHub6-9CF3' (58:90:43:23:8E:F4) ▂▄▆█
[08:17:59][I][wifi:194]: WiFi Connecting to 'FARLEIGH'...
[08:18:03][I][wifi:457]: WiFi Connected!
[08:18:03][C][wifi:303]:   SSID: 'FARLEIGH'
[08:18:03][C][wifi:304]:   IP Address: 192.168.0.47
[08:18:03][C][wifi:306]:   BSSID: 3C:89:94:FA:4A:82
[08:18:03][C][wifi:307]:   Hostname: 'white_bulb_4'
[08:18:03][C][wifi:311]:   Signal strength: -57 dB ▂▄▆█
[08:18:03][C][wifi:315]:   Channel: 6
[08:18:03][C][wifi:316]:   Subnet: 255.255.255.0
[08:18:03][C][wifi:317]:   Gateway: 192.168.0.1
[08:18:03][C][wifi:318]:   DNS1: 192.168.0.1
[08:18:03][C][wifi:319]:   DNS2: (IP unset)
[08:18:03][D][wifi:466]: Disabling AP...
[08:18:03][C][ota:029]: Over-The-Air Updates:
[08:18:03][C][ota:030]:   Address: white_bulb_4.local:8266
[08:18:03][C][ota:032]:   Using Password.
[08:18:03][C][api:022]: Setting up Home Assistant API server...
[08:18:03][I][app:059]: setup() finished successfully!
[08:18:03][I][app:105]: ESPHome version 1.15.2 compiled on Sep 28 2020, 08:04:15
[08:18:03][C][wifi:443]: WiFi:
[08:18:03][C][wifi:303]:   SSID: 'FARLEIGH'
[08:18:03][C][wifi:304]:   IP Address: 192.168.0.47
[08:18:03][C][wifi:306]:   BSSID: 3C:89:94:FA:4A:82
[08:18:03][C][wifi:307]:   Hostname: 'white_bulb_4'
[08:18:03][C][wifi:311]:   Signal strength: -57 dB ▂▄▆█
[08:18:03][C][wifi:315]:   Channel: 6
[08:18:03][C][wifi:316]:   Subnet: 255.255.255.0
[08:18:03][C][wifi:317]:   Gateway: 192.168.0.1
[08:18:03][C][wifi:318]:   DNS1: 192.168.0.1
[08:18:03][C][wifi:319]:   DNS2: (IP unset)
[08:18:03][C][logger:185]: Logger:
[08:18:03][C][logger:186]:   Level: DEBUG
[08:18:03][C][logger:187]:   Log Baud Rate: 115200
[08:18:03][C][logger:188]:   Hardware UART: UART0
[08:18:03][C][captive_portal:169]: Captive Portal:
[08:18:03][C][ota:029]: Over-The-Air Updates:
[08:18:03][C][ota:030]:   Address: white_bulb_4.local:8266
[08:18:03][C][ota:032]:   Using Password.
[08:18:03][C][api:095]: API Server:
[08:18:03][C][api:096]:   Address: white_bulb_4.local:6053

So this is clearly device specific.

nickrout · September 28, 2020, 7:28am

This has me and my google-foo stumped.

There is not a huge amount of info om the M3 chip around, and it is such a short string to search on.

Beantree · September 28, 2020, 7:42am

Me too! A shame because the board is so cheap!

francisp · September 28, 2020, 8:14am

Here is some more information :

For ‘normal use’ the GPIO0 has to be pulled HIGH. The EN pin has to be pulled high.

Beantree · September 28, 2020, 3:58pm

I finally cracked it. Looking at this warning in the compile

In file included from /data/white_bulb_4/.piolibdeps/white_bulb_4/ESPAsyncWebServer-esphome/src/SPIFFSEditor.cpp:1:0:
/data/white_bulb_4/.piolibdeps/white_bulb_4/ESPAsyncWebServer-esphome/src/SPIFFSEditor.h:16:101: warning: 'SPIFFS' is deprecated (declared at /root/.platformio/packages/framework-arduinoespressif8266/cores/esp8266/FS.h:269): SPIFFS has been deprecated. Please consider moving to LittleFS or other filesystems. [-Wdeprecated-declarations]
     SPIFFSEditor(const String& username=String(), const String& password=String(), const fs::FS& fs=SPIFFS);

I tried the board on Arduino. It would only work if I selected the ‘no SPIFFS’ option.
As the warning above showed the use of SPIFFS for a username and password, I suspected this might be to do with the addition of the ap and captive_portal.

  ap:
    ssid: "White Bulb 4 Fallback Hotspot"
    password: "xxxxxxxxxx"

captive_portal:

I removed these and the warning did not show in the compile.
Success! I have flashed a second unit to confirm.