{"action":"created","issue":{"url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2595","labels_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2595/labels{/name}","comments_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2595/comments","events_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2595/events","html_url":"https://github.com/MarlinFirmware/Marlin/issues/2595","id":101455685,"number":2595,"title":"I have 2 questions","user":{"login":"ruggb","id":12383390,"avatar_url":"https://avatars.githubusercontent.com/u/12383390?v=3","gravatar_id":"","url":"https://api.github.com/users/ruggb","html_url":"https://github.com/ruggb","followers_url":"https://api.github.com/users/ruggb/followers","following_url":"https://api.github.com/users/ruggb/following{/other_user}","gists_url":"https://api.github.com/users/ruggb/gists{/gist_id}","starred_url":"https://api.github.com/users/ruggb/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ruggb/subscriptions","organizations_url":"https://api.github.com/users/ruggb/orgs","repos_url":"https://api.github.com/users/ruggb/repos","events_url":"https://api.github.com/users/ruggb/events{/privacy}","received_events_url":"https://api.github.com/users/ruggb/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-08-17T16:06:13Z","updated_at":"2015-08-17T16:25:49Z","closed_at":null,"body":"1. Has any form of \"dry run\" been implemented as yet?\r\n2. Every time I connect to my printer I get this error RE checksum after FIRMWARE NAME: - can u tell me why? this is the whole log output\r\n11:55:48.124 : Printer reset detected - initalizing\r\n11:55:48.124 : start\r\n11:55:48.124 : echo:Marlin 1.1.0 dev\r\n11:55:48.126 : echo: Last Updated: 2015-08-00 12:10 | Author: Bill Ruggirello\r\n11:55:48.127 : Compiled: Aug 11 2015\r\n11:55:48.131 : echo: Free Memory: 3188  PlannerBufferBytes: 1232\r\n11:55:48.133 : echo:V20 stored settings retrieved (378 bytes)\r\n11:55:48.134 : echo:Steps per unit:\r\n11:55:48.136 : echo:  M92 X200.00 Y200.00 Z800.00 E299.90\r\n11:55:48.137 : echo:Maximum feedrates (mm/s):\r\n11:55:48.139 : echo:  M203 X500.00 Y500.00 Z8.00 E25.00\r\n11:55:48.140 : echo:Maximum Acceleration (mm/s2):\r\n11:55:48.143 : echo:  M201 X9000 Y9000 Z100 E10000\r\n11:55:48.144 : echo:Accelerations: P=printing, R=retract and T=travel\r\n11:55:48.146 : echo:  M204 P3000.00 R3000.00 T3000.00\r\n11:55:48.154 : echo:Advanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum XY jerk (mm/s),  Z=maximum Z jerk (mm/s),  E=maximum E jerk (mm/s)\r\n11:55:48.157 : echo:  M205 S0.00 T0.00 B20000 X20.00 Z0.40 E5.00\r\n11:55:48.157 : echo:Home offset (mm):\r\n11:55:48.158 : echo:  M206 X0.00 Y0.00 Z0.00\r\n11:55:48.159 : echo:Material heatup parameters:\r\n11:55:48.161 : echo:  M145 M0 H210 B70 F255\r\n11:55:48.162 : echo:  M145 M1 H260 B100 F255\r\n11:55:48.164 : echo:PID settings:\r\n11:55:48.165 : echo:  M301 P21.96 I1.86 D64.76 C1.00\r\n11:55:48.166 : echo:Filament settings: Disabled\r\n11:55:48.168 : echo:  M200 D3.00\r\n11:55:48.168 : echo:  M200 T1 D3.00\r\n11:55:48.169 : echo:  M200 D0\r\n11:55:51.802 : echo:SD init fail\r\n11:55:51.893 : FIRMWARE_NAME:Marlin 1.1.0 Development From Archive SOURCE_CODE_URL:http:// ... PROTOCOL_VERSION:1.0 MACHINE_TYPE:CC-BOT 2E&QH v2e EXTRUDER_COUNT:2 UUID:277494b7-b7c8-4eb1-a653-c2e695c24911\r\n11:55:51.897 : Error:No Line Number with checksum, Last Line: 3\r\n11:55:51.903 : Error:Line Number is not Last Line Number+1, Last Line: 3\r\n11:55:51.903 : Resend: 4\r\n11:55:51.909 : echo:Unknown command: \"\"\r\n11:55:51.909 : Error:Line Number is not Last Line Number+1, Last Line: 3\r\n11:55:51.909 : Resend: 4\r\n11:55:51.915 : echo:Active Extruder: 0\r\n11:55:51.916 : Begin file list\r\n11:55:51.916 : End file list\r\n11:55:51.925 : Error:Line Number is not Last Line Number+1, Last Line: 11\r\n11:55:51.925 : Resend: 12\r\n11:55:51.931 : echo:Active Extruder: 0\r\n"},"comment":{"url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/comments/131879228","html_url":"https://github.com/MarlinFirmware/Marlin/issues/2595#issuecomment-131879228","issue_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/2595","id":131879228,"user":{"login":"Wackerbarth","id":505323,"avatar_url":"https://avatars.githubusercontent.com/u/505323?v=3","gravatar_id":"","url":"https://api.github.com/users/Wackerbarth","html_url":"https://github.com/Wackerbarth","followers_url":"https://api.github.com/users/Wackerbarth/followers","following_url":"https://api.github.com/users/Wackerbarth/following{/other_user}","gists_url":"https://api.github.com/users/Wackerbarth/gists{/gist_id}","starred_url":"https://api.github.com/users/Wackerbarth/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Wackerbarth/subscriptions","organizations_url":"https://api.github.com/users/Wackerbarth/orgs","repos_url":"https://api.github.com/users/Wackerbarth/repos","events_url":"https://api.github.com/users/Wackerbarth/events{/privacy}","received_events_url":"https://api.github.com/users/Wackerbarth/received_events","type":"User","site_admin":false},"created_at":"2015-08-17T16:25:49Z","updated_at":"2015-08-17T16:25:49Z","body":"Obviously, this applies to a development build rather than a release build.\r\n1) Yes\r\n2) The firmware received line 3 from your host program and then is out-of-sync. It looks as if you have lost some characters in the communications stream and your host program is not recovering.\r\n\r\nSince you fail to give any hints about what kind of hardware, host computer, or host interface program you are using, I do not have enough information to even attempt a better answer."}}