esp-01 serial connection is lost after AT+RST and AT+CWLAP
Posted: Tue Feb 10, 2015 7:52 pmHi,
I have hooked up my esp-01 to my computer and can communicate with it but there is a problem: The serial connection is lost when I send AT+RST or AT+CWLAP (not necessarily the only ones). It looks like this:
After this there is no reaction . If I close and reopen the com, it works again. It looks the same for AT+CWLAP:
I can use commands like AT+GMR or AT+CWJAP with no problems but it always fails after AT+RST and AT+CWLAP.
The thing is, that it works fine with my esp-07 unit so I was wondering what could cause these problems. Could it be a firmware problem or is it my serial connection?
thanks!
edit: Update: Switched to an external power supply which solved the problem of the connection loss after reset. Now the above looks like
and it's responding to AT commands. However, it still resets after several commands like AT+CWLAP , AT+CIPSEND and AT+CIUPDATE (after +CIUPDATE:4)
I have hooked up my esp-01 to my computer and can communicate with it but there is a problem: The serial connection is lost when I send AT+RST or AT+CWLAP (not necessarily the only ones). It looks like this:
Code: Select all
AT+GMR
0020000903
compiled @ Dec 15 2014 19:43:31
AITHINKER-20141206
OK
AT+RST
OK
"ʃþ:ÇóÆhÄ#ž"byBBH€CAfter this there is no reaction . If I close and reopen the com, it works again. It looks the same for AT+CWLAP:
Code: Select all
AT+GMR
0020000903
compiled @ Dec 15 2014 19:43:31
AITHINKER-20141206
OK
AT+CWLAP
//list of APs here
OK
ZËAý1j§£Ç3ωRˆ$#}‚Æ’ÂHä®–ŸI can use commands like AT+GMR or AT+CWJAP with no problems but it always fails after AT+RST and AT+CWLAP.
The thing is, that it works fine with my esp-07 unit so I was wondering what could cause these problems. Could it be a firmware problem or is it my serial connection?
thanks!
edit: Update: Switched to an external power supply which solved the problem of the connection loss after reset. Now the above looks like
Code: Select all
//do stuff here
ZËAý1j§£Ç3ωRˆ$#}‚Æ’ÂHä®–Ÿreadyand it's responding to AT commands. However, it still resets after several commands like AT+CWLAP , AT+CIPSEND and AT+CIUPDATE (after +CIUPDATE:4)