[Coco] WiFi modem.

[Dave Philipsen]

The reason I’m asking is that most of the guys with CoCo3FPGAs now have this EPS8266 module.  So far, very little has been done with it. I experimented with it awhile back and retrieved some time packets from an ntp server and then tried hosting a simple web page but other than that I haven’t had the time to do much with it.

There was some conversation some months ago and it eroded to, "well you can’t do this or that with it, it doesn’t have flow control", etc, etc. But clearly it has some utility for doing some basic stuff like was mentioned on this list earlier today (logging on to an internet BBS).  I would at least like to see it progress to the point where we could do that. I’ve just been so caught up in some development projects that I haven’t had time to play with it.

At least some of my dev projects are allowing me to keep the 6809 alive and well using FPGA implementations. 

Dave

> On Jan 19, 2018, at 11:31 PM, Dave Philipsen <dave at davebiz.com> wrote:
> 
> Nice. So is this the ESP8266 board you’re using?
> 
> https://www.ebay.com/itm/ESP8266-ESP-01S-Serial-WIFI-Wireless-Module-Adapter-Breakout-Send-Receive-AP-STA/311736436700?hash=item4894f087dc:g:fO4AAOSwSrNaJ8p5
> 
> Dave
> 
>>> On Jan 19, 2018, at 3:32 PM, David Ladd <davidwladd at gmail.com> wrote:
>>> 
>> 
>> ​Dave,  I have been using some of these:
>> https://www.ebay.com/itm/USB-to-ESP8266-Serial-Module-TTL-Wifi-ESP-01-CH340G-Developent-Board-Adapter/201588307377
>> 
>> I have one I have patched with a small wire on the GPIO0 to ground so I can
>> put the ESP8266-01(S) into programming mode.  Then I use the programming
>> software to flash the updated firmware.
>> 
>> ​Now on my unit I upgraded to the most current firmware as of 3 months ago
>> at:
>> http://www.espressif.com/en/products/hardware/th/overview
>> 
>> I was able to also put the lock the adapter to a specific WiFi router and
>> also set it to always connect to a static IP and port on startup in
>> pass-through mode.
>> 
>> Example of config:
>> ​AT+CWMODE_DEF=3
>> AT+CWJAP_CUR="SSID","SSID_PASSPHRASE"
>> AT+SAVETRANSLINK=1,"IP_OF_DW_TCP_SERVER",PORT_OF_DW_TCP_SERVER,"TCP"
>> ​
>> ​The only drawback I had to this setup is I had to reflash the device to
>> get out of this mode.  I couldn't get it to return to command mode, but it
>> did at least work well as a pass-through device.
>> 
>> Then I got busy on another project and haven't tested it with a MAX3232
>> chip and connecting to the bitbanger port yet to see if I can get it to
>> work as a WiFi/TCP serial bridge.​
>> 
>> 
>> 
>>> 
>>> I have a few of the ultra-cheap Chinese eBay ESP8266 boards but I've
>>> noticed that there are some other slightly different designs out there too.
>> 
>> 
>> 
>> ​The ESP8266-01S seems to be the newer version of the module with a LED and
>> I think more flash storage.​
>> 
>> 
>> 
>>> 
>>> 
>>> 
>>> Dave
>>> ​<cut>​
>>> 
>> 
>> +-----------------------------------------------------------------------+
>> | David Ladd a.k.a. PacoOtaktay a.k.a. Drencor                          |
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>> | G+:  https://plus.google.com/+DavidLaddPacoOtaktay                    |
>> |                                                                       |
>> | Do you have your CoCo 3 yet?                                          |
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>> 
>> 
>> 
>> ​
>> 
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