{"action":"created","issue":{"url":"https://api.github.com/repos/jeelabs/esp-link/issues/247","repository_url":"https://api.github.com/repos/jeelabs/esp-link","labels_url":"https://api.github.com/repos/jeelabs/esp-link/issues/247/labels{/name}","comments_url":"https://api.github.com/repos/jeelabs/esp-link/issues/247/comments","events_url":"https://api.github.com/repos/jeelabs/esp-link/issues/247/events","html_url":"https://github.com/jeelabs/esp-link/issues/247","id":200867191,"node_id":"MDU6SXNzdWUyMDA4NjcxOTE=","number":247,"title":"ESP-01 only blue LED fast flashing after reboot, no more WiFi","user":{"login":"igittigitt","id":909922,"node_id":"MDQ6VXNlcjkwOTkyMg==","avatar_url":"https://avatars2.githubusercontent.com/u/909922?v=4","gravatar_id":"","url":"https://api.github.com/users/igittigitt","html_url":"https://github.com/igittigitt","followers_url":"https://api.github.com/users/igittigitt/followers","following_url":"https://api.github.com/users/igittigitt/following{/other_user}","gists_url":"https://api.github.com/users/igittigitt/gists{/gist_id}","starred_url":"https://api.github.com/users/igittigitt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/igittigitt/subscriptions","organizations_url":"https://api.github.com/users/igittigitt/orgs","repos_url":"https://api.github.com/users/igittigitt/repos","events_url":"https://api.github.com/users/igittigitt/events{/privacy}","received_events_url":"https://api.github.com/users/igittigitt/received_events","type":"User","site_admin":false},"labels":[{"id":226689806,"node_id":"MDU6TGFiZWwyMjY2ODk4MDY=","url":"https://api.github.com/repos/jeelabs/esp-link/labels/investigate","name":"investigate","color":"5319e7","default":false},{"id":394912245,"node_id":"MDU6TGFiZWwzOTQ5MTIyNDU=","url":"https://api.github.com/repos/jeelabs/esp-link/labels/need%20more%20info","name":"need more info","color":"d4c5f9","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2017-01-15T12:55:04Z","updated_at":"2018-06-03T06:29:21Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"After playing around with Telnet commands, i managed to brick my esp-link somehow. I've tried to change baudrate, send some bytes and change baud back. After that esp-link crashes, baudrate was wired setting and the device does not respond anymore.\r\nAfter resetting the device, red LED is on and blue LED is flashing forever. Connected HTerm to see what is going on, and see this looping:\r\n```\r\n ets Jan  8 2013,rst cause:2, boot mode:(3,6)\r\nload 0x40100000, len 2408, room 16\r\ntail 8\r\nchksum 0xe5\r\nload 0x3ffe8000, len 776, room 0\r\ntail 8\r\nchksum 0x84\r\nload 0x3ffe8310, len 632, room 0 \r\ntail 8\r\nchksum 0xd8\r\ncsum 0xd8\r\n\r\n2nd boot version : 1.6\r\n  SPI Speed      : 40MHz\r\n  SPI Mode       : QIO\r\n  SPI Flash Size & Map: 8Mbit(512KB+512KB)\r\njump to run user1 @ 1000\r\n```\r\n\r\nEven after erasing the whole flash (by writing 1MB stub file at pos 0x0000) and write the software back again, this issue is still the same!\r\n"},"comment":{"url":"https://api.github.com/repos/jeelabs/esp-link/issues/comments/394140493","html_url":"https://github.com/jeelabs/esp-link/issues/247#issuecomment-394140493","issue_url":"https://api.github.com/repos/jeelabs/esp-link/issues/247","id":394140493,"node_id":"MDEyOklzc3VlQ29tbWVudDM5NDE0MDQ5Mw==","user":{"login":"leodesigner","id":14152528,"node_id":"MDQ6VXNlcjE0MTUyNTI4","avatar_url":"https://avatars0.githubusercontent.com/u/14152528?v=4","gravatar_id":"","url":"https://api.github.com/users/leodesigner","html_url":"https://github.com/leodesigner","followers_url":"https://api.github.com/users/leodesigner/followers","following_url":"https://api.github.com/users/leodesigner/following{/other_user}","gists_url":"https://api.github.com/users/leodesigner/gists{/gist_id}","starred_url":"https://api.github.com/users/leodesigner/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/leodesigner/subscriptions","organizations_url":"https://api.github.com/users/leodesigner/orgs","repos_url":"https://api.github.com/users/leodesigner/repos","events_url":"https://api.github.com/users/leodesigner/events{/privacy}","received_events_url":"https://api.github.com/users/leodesigner/received_events","type":"User","site_admin":false},"created_at":"2018-06-03T06:29:21Z","updated_at":"2018-06-03T06:29:21Z","author_association":"NONE","body":"Hi,\r\nSeems I have the same issue, but it was after flashing latest version.\r\n\r\nesptool.py --port /dev/cu.wchusbserial1410  --baud 230400 write_flash -fs 32m -ff 80m 0x00000 boot_v1.6.bin 0x1000 user1.bin 0x3FC000 esp_init_data_default.bin 0x3FE000 blank.bin\r\n\r\nI have a boot loop with the following message:\r\n```\r\nrf cal sector: 128\r\nfreq trace enable 0\r\nrf[112] : 00\r\nrf[113] : 00\r\nrf[114] : 01\r\n\r\nSDK ver: 2.1.0(116b762) compiled @ May  5 2017 16:08:55\r\nphy ver: 1134_0, pp ver: 10.2\r\n\r\nFLASH chk=0x0000 crc=0x0000 full_sz=1024 sz=600 chip_sz=0\r\nmqtt_host is ''\r\nFatal exception 0(IllegalInstructionCause):\r\n�B*r��P���K�.�dmXK�~�`�hXHꡁ���r�,T�����Ĩ�␃��~A���n((�8x��P�݁��*��t�,�@j|��@��*���n((�8x�vA$Z[!�((�+k��J(�+��*��*���n(Al\")z�~�PY�r~���X�����.�␄r�+�����+����lA�v�����m %j��␄���N�dA#�x��v��␄X�[p�h�{�␂�R�k~P~��hmm�P����rf cal sector: 128\r\nfreq trace enable 0\r\nrf[112] : 00\r\nrf[113] : 00\r\nrf[114] : 01\r\n\r\nSDK ver: 2.1.0(116b762) compiled @ May  5 2017 16:08:55\r\nphy ver: 1134_0, pp ver: 10.2\r\n\r\nFLASH chk=0x0000 crc=0x0000 full_sz=1024 sz=600 chip_sz=0\r\nmqtt_host is ''\r\nFatal exception 0(IllegalInstructionCause):\r\n```\r\n\r\nThen I am flashed stable esp-link-v3.0.14:\r\nesptool.py --port /dev/cu.wchusbserial1410  --baud 230400 write_flash -fs 32m -ff 80m 0x00000 boot_v1.6.bin 0x1000 user1.bin 0x3FC000 esp_init_data_default.bin 0x3FE000 blank.bin\r\n\r\n```\r\nrf cal sector: 128\r\nrf[112] : 00\r\nrf[113] : 00\r\nrf[114] : 01\r\n\r\nSDK ver: 2.0.0(5a875ba) compiled @ Aug  9 2016 15:12:27\r\nphy ver: 1055, pp ver: 10.2\r\n\r\nFLASH chk=0x0000 crc=0x0000 full_sz=1024 sz=600 chip_sz=0\r\nmqtt_host is ''\r\nFatal exception 0(IllegalInstructionCause):\r\nepc1=0x4000e25d, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000\r\n�@*r��P���K�.�dr�%@��.�Ѫ�Ko�X���*�.������P�,���*����nzAn Jz�*�j�H~t�R����@j+��*��*���nzAf Jz�~�,�H~t�R���␂��Ĩ�K�~�(��lzAl )�m*�t�8r� �ǁ�@+��.��m�+��P�(�V�jt������x (�V�jP�����n (�V��x��v��␄X�[p�h�{`���Z�k~P~��hmp�P����rf cal sector: 128\r\nrf[112] : 00\r\nrf[113] : 00\r\nrf[114] : 01\r\n\r\nSDK ver: 2.0.0(5a875ba) compiled @ Aug  9 2016 15:12:27\r\nphy ver: 1055, pp ver: 10.2\r\n\r\nFLASH chk=0x0000 crc=0x0000 full_sz=1024 sz=600 chip_sz=0\r\nmqtt_host is ''\r\nFatal exception 0(IllegalInstructionCause):\r\nepc1=0x4000e25d, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000\r\n�@*-��(���I�t�dr�-�z+P~�-H������*�T�����Ĩ���{~AB��n((�8x�vA,v%#�DP�+k,����P�-@��*���nzAl*)�vA,X%#�DP�+k챩����I�~�(��n((�8x�nA,t�8r*�*�X�����,�␄r�+��� (�j�v�(������@�`A�t�(������`A)�KPYx�+�␄-�[p�h�{`�␂�X��n,�Am|�␛p�P�����rf cal sector: 128\r\nrf[112] : 00\r\nrf[113] : 00\r\nrf[114] : 01\r\n\r\nSDK ver: 2.0.0(5a875ba) compiled @ Aug  9 2016 15:12:27\r\nphy ver: 1055, pp ver: 10.2\r\n\r\nFLASH chk=0x0000 crc=0x0000 full_sz=1024 sz=600 chip_sz=0\r\nmqtt_host is ''\r\nFatal exception 0(IllegalInstructionCause):\r\nepc1=0x4000e25d, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000\r\n```\r\nLooking now for v0.9.2.2 AT Firmware.bin to unbrick device."}}
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