Serial1.setConsole() is not working

[espruino-discuss]

Posted at 2019-03-16 by maman

Hello..

I attach a serial device to the Serial1 on ESP8266.
To retain the connection of the serial device, I put a code of

function onInit() {
   Serial1.setConsole();
}

at the begining of the program.

However, data from the serial device can't be obtained.
But, if we connect the ESP8266 using TCP in espruino web IDE, then
the data from the serial device has appeared.

Is there any instruction that can activate the serial device connection ?

Regards,
Maman

[espruino-discuss]

Posted at 2019-03-16 by @MaBecker

try this sample

http://www.espruino.com/EspruinoESP8266#software-serial

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Posted at 2019-03-16 by @MaBecker

you do not have to set the console to serial, because this is default.
After connections over tcp/ip it switches back when when connection closes, hope this helps.

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Posted at 2019-03-17 by maman

Hello @MaBecker,

Yes, I have tried using software serial, but the serial data is not reliable, although I set the baud-rate at 4800. And, after one or 3 hours, the ESP8266 will crash.

Using hardware serial, the data is more reliable. However, after disconnection over tcp/ip,
there is no data coming from the device, as seen in a server application.
I use MQTT protocol to send data from device to the server.

Regards,
Maman

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Posted at 2019-03-17 by maman

Is there any instruction that can be executed by the ESP8266 to change the REPL console to connect over TCP/IP ?

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Posted at 2019-03-17 by @MaBecker

And, after one or 3 hours, the ESP8266 will crash.

Check your vars, send process.memory() as JSON via mqtt every 5sec to be sure your code has no memory leak.

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Posted at 2019-03-17 by maman

Hello @MaBecker,

The problem of using software serial is the success rate of serial data. It is very low, only 30%, we get the proper data, although using a low baud rate at 4800. While using the hardware serial, we get more than 90% success rate. So, I discontinue using software serial.

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Posted at 2019-03-17 by maman

I found this issue :
espruino/Espruino#830

I inject this instruction : LoopbackA.setConsole(), via mqtt protocol to the device,
then the serial data is coming to the server app.

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Posted at 2019-03-17 by @MaBecker

it is very low, only 30%, we get the proper data, although using a low baud rate at 4800. While using the hardware serial, we get more than 90% success rate. So, I discontinue using software serial.

Are you using the latest Espruino firmware?
Because there is a implementation of a stable software serial coming with 2.01 see
ChangeLog and the test results.

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Posted at 2019-03-17 by maman

Yes, i use 2v01.49

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Posted at 2019-03-17 by @MaBecker

Can you please share some details how you use the serial connection?

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Posted at 2019-03-17 by maman

Yes, sure.

I want to develop ESP-Now gateway, based on this work
https://github.com/HarringayMakerSpace/ESP-Now.
Using espnow, it is possible to develop battery-powered devices for sensors,
using less IP-address devices.

For the gateway, I use 2 ESP8266, one is for connection with the esp-now network,
and the other is for connection to the internet via wifi. For the first device, I use arduino IDE,
while for the second device, I use espruino.
Communication between devices is using UART. Now, both device is using hardware serial.
I use ESP-07.

Regards,
Maman

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Posted at 2019-03-17 by @MaBecker

esp-now is not implemented for the Espruino ESP firmware.
It looks very usefull for esp-wifi-devices on battery using sleep mode.

A implementation would be a benefit for EspruinoWifi, ESP8266 and ESP32
because esp-now is available with espressif AT firmware and SDK, starting with version 2.1