esp8266 01 not respond some at comends

[cardmaker]

hello, i got some esp8266 01 al-cloud inside (black color) i already flashed whit some at firmware but esp module not responde to all AT comands.

they responde to these cmds like AT+CWMODE=3, AT+CWJAP,"xxxx but not respond by exemple just AT, or AT+GMR what can be this issue?

also at comand scan wifi AT+CWLAP they juste replay "scandone" and not the names of the networks, anyone can help?

many thanks

[pratik]

Which firmware version did you flash?
Also, don't forget to use \r\n at the end of each command!

[cardmaker]

hello, many thanks for your replay.
i try these:
AI-v0.9.5.0 AT firmware.bin
ai-thinker-0.9.5.2.bin
ai-thinker-v.1.1.1.bin
ESP_8266_BIN0.92.bin
and others but same result.

i know must use \r\n at final

this cmds works: AT+RST, AT+CWMODE=3, AT+CWLAP(just responde "scandone" and not the list), AT+CWJAP="xxx","xxx",AT+CIPSTART="TCP","XXXXXX",XX

but this cmds are not working: AT, AT+GMR, AT+CIPSEND=X,AT+CWMODE=?

[pratik]

The firmware is way too old!

Please try the new ones from:
https://github.com/espressif/ESP8266_NO ... ter/bin/at

Note that minimum 8 Mbit system flash is needed for the latest AT firmware. If you are using less, let me know, I will send you 4 Mbit AT firmware files.

[cardmaker]

Hello, many thanks for your replay.
i try the new version like you said but still the same.

08-06-2017 12:09:26.610 [RX] - <NUL><CR><LF>
ets Jan 8 2013,rst cause:1, boot mode:(3,2)<CR><LF>
<CR><LF>
<CR><LF>
ets Jan 8 2013,rst cause:2, boot mode:(3,6)<CR><LF>
<CR><LF>
load 0x40100000, len 2408, room 16 <CR><LF>
tail 8<CR><LF>
chksum 0xe5<CR><LF>
load 0x3ffe8000, len 776, room 0 <CR><LF>
tail 8<CR><LF>
chksum 0x84<CR><LF>
load 0x3ffe8310, len 632, room 0 <CR><LF>
tail 8<CR><LF>
chksum 0xd8<CR><LF>
csum 0xd8<CR><LF>
<CR><LF>
2nd boot version : 1.6<CR><LF>
SPI Speed : 40MHz<CR><LF>
SPI Mode : QIO<CR><LF>
SPI Flash Size & Map: 8Mbit(512KB+512KB)<CR><LF>
jump to run user1 @ 1000<CR><LF>

ive been trying many diferent firmware and i note the working at cmds are always same ones this is strange. any ideia?
AT+RST - works
AT - dont work
AT-GMR - dont work
AT+CWLAP - only replay "scandone" and none the list
AT+CIPSTART - works
AT+CIPSEND - dont work
all the new cmds in version2.1.0 dont work

[cardmaker]

For better understand here is a log:
10-06-2017 21:05:29.745 [TX] - AT+RST<CR><LF>

10-06-2017 21:05:29.761 [RX] - bcn 0<CR><LF>
del if1<CR><LF>
usl<CR><LF>
<CR><LF>
ets Jan 8 2013,rst cause:1, boot mode:(3,6)<CR><LF>
<CR><LF>
load 0x40100000, len 2408, room 16 <CR><LF>
tail 8<CR><LF>
chksum 0xe5<CR><LF>
load 0x3ffe8000, len 776, room 0 <CR><LF>
tail 8<CR><LF>
chksum 0x84<CR><LF>
load 0x3ffe8310, len 632, room 0 <CR><LF>
tail 8<CR><LF>
chksum 0xd8<CR><LF>
csum 0xd8<CR><LF>
<CR><LF>
2nd boot version : 1.6<CR><LF>
SPI Speed : 40MHz<CR><LF>
SPI Mode : QIO<CR><LF>
SPI Flash Size & Map: 8Mbit(512KB+512KB)<CR><LF>
jump to run user1 @ 1000<CR><LF>
<CR><LF>
mode : softAP(5e:cf:7f:10:bb:3c)<CR><LF>
add if1<CR><LF>
dhcp server start:(ip:192.168.4.1,mask:255.255.255.0,gw:192.168.4.1)<CR><LF>
bcn 100<CR><LF>

10-06-2017 21:05:54.974 [TX] - AT+CWMODE=3<CR><LF>

10-06-2017 21:05:55.004 [RX] - mode : sta(5c:cf:7f:10:bb:3c) + softAP(5e:cf:7f:10:bb:3c)<CR><LF>
add if0<CR><LF>

10-06-2017 21:06:01.887 [TX] - AT+CWLAP<CR><LF>

10-06-2017 21:06:01.901 [RX] - f r0, scandone<CR><LF>
sta scan trace -28<CR><LF>

10-06-2017 21:06:19.637 [TX] - AT+CWMODE=1<CR><LF>

10-06-2017 21:06:19.655 [RX] - bcn 0<CR><LF>
del if1<CR><LF>
mode : sta(5c:cf:7f:10:bb:3c)<CR><LF>

10-06-2017 21:06:28.971 [TX] - AT+CWLAP<CR><LF>

10-06-2017 21:06:28.988 [RX] - f r-28, scandone<CR><LF>
sta scan trace -29<CR><LF>

10-06-2017 21:06:39.229 [TX] - AT<CR><LF>

10-06-2017 21:06:42.280 [TX] - AT<CR><LF>

10-06-2017 21:06:42.800 [TX] - AT<CR><LF>

10-06-2017 21:06:49.280 [TX] - AT+CIPSTATUS<CR><LF>

10-06-2017 21:06:52.950 [TX] - AT+CIPSTATUS<CR><LF>

10-06-2017 21:06:53.800 [TX] - AT+CIPSTATUS<CR><LF>

10-06-2017 21:07:32.202 [TX] - AT+GMR<CR><LF>

10-06-2017 21:07:34.312 [TX] - AT+GMR<CR><LF>

10-06-2017 21:07:34.731 [TX] - AT+GMR<CR><LF>

as you can see AT+CWLAP only respond scandone and not the list of avalable network.
and some others cmds never respond.

[pratik]

That is really weird, it all works on my end. Did you try any other module? Maybe the flash chip has faults or maybe the antenna isn't doing that well.