avrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_getsync(): timeout communicating with programmeravrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_getsync(): timeout communicating with programmeravrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: stk500v2_ReceiveMessage(): timeoutavrdude.exe: ser_send(): write error: sorry no info avail




processing.app.SerialException: Error opening serial port 'COM4'.
	at processing.app.Serial.<init>(Serial.java:178)
	at processing.app.Serial.<init>(Serial.java:77)
	at processing.app.debug.Uploader.flushSerialBuffer(Uploader.java:77)
	at processing.app.debug.AvrdudeUploader.uploadViaBootloader(AvrdudeUploader.java:179)
	at processing.app.debug.AvrdudeUploader.uploadUsingPreferences(AvrdudeUploader.java:71)
	at processing.app.Sketch.upload(Sketch.java:1716)
	at processing.app.Sketch.exportApplet(Sketch.java:1628)
	at processing.app.Sketch.exportApplet(Sketch.java:1600)
	at processing.app.Editor$DefaultExportHandler.run(Editor.java:2471)
	at java.lang.Thread.run(Unknown Source)
Caused by: gnu.io.UnsupportedCommOperationException: Invalid Parameter
	at gnu.io.RXTXPort.setSerialPortParams(RXTXPort.java:171)
	at processing.app.Serial.<init>(Serial.java:163)