{"record":{"id":"755e3a28ca52ff71","repo":"sipeed/picoclaw","slug":"no-connected-maixcam-devices","errorCode":null,"errorMessage":"no connected MaixCam devices","messagePattern":"no connected MaixCam devices","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/channels/maixcam/maixcam.go","lineNumber":262,"sourceCode":"\nfunc (c *MaixCamChannel) Send(ctx context.Context, msg bus.OutboundMessage) ([]string, error) {\n\tif !c.IsRunning() {\n\t\treturn nil, channels.ErrNotRunning\n\t}\n\n\t// Check ctx before entering write path\n\tselect {\n\tcase <-ctx.Done():\n\t\treturn nil, ctx.Err()\n\tdefault:\n\t}\n\n\tc.clientsMux.RLock()\n\tdefer c.clientsMux.RUnlock()\n\n\tif len(c.clients) == 0 {\n\t\tlogger.WarnC(\"maixcam\", \"No MaixCam devices connected\")\n\t\treturn nil, fmt.Errorf(\"no connected MaixCam devices\")\n\t}\n\n\tresponse := map[string]any{\n\t\t\"type\":      \"command\",\n\t\t\"timestamp\": float64(0),\n\t\t\"message\":   msg.Content,\n\t\t\"chat_id\":   msg.ChatID,\n\t}\n\n\tdata, err := json.Marshal(response)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"failed to marshal response: %w\", err)\n\t}\n\n\tvar sendErr error\n\tfor conn := range c.clients {\n\t\t_ = conn.SetWriteDeadline(time.Now().Add(10 * time.Second))\n\t\tif _, err := conn.Write(data); err != nil {","sourceCodeStart":244,"sourceCodeEnd":280,"githubUrl":"https://github.com/sipeed/picoclaw/blob/49183d7e8daed0dba89ddbb6fcb60089401d9680/pkg/channels/maixcam/maixcam.go#L244-L280","documentation":"Error \"no connected MaixCam devices\" thrown in sipeed/picoclaw.","triggerScenarios":"Thrown at pkg/channels/maixcam/maixcam.go:262 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"49183d7e8daed0dba89ddbb6fcb60089401d9680","analyzedAt":"2026-08-15T21:55:41.315Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}