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Would there be any reason why nanodlp does not go past Layer 1 when print is initiated. The RAMPs communication is OK. The gcode for start of print goes through, but there is no movement in the stepper motor. And the print does not progress. I do not have a projector attached yet, just an hdmi lcd. z axis calibration works just fine and I can move the stepper in either direction.
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Please, share activity log after freeze.
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This is what I see once the print is initiated:
Notice 1 2016-11-26 00:42:13.967548 Projector Projector on
Debug 1 2016-11-26 00:42:13.967409 Shutter Shutter Close
Debug 1 2016-11-26 00:42:13.96729 Image Clear screen
Notice 0 2016-11-26 00:42:13.94763 Projector Projector on
And after a while, there is a fault (there is lot more in the output, this is just the tail end of it):
goroutine 69621 [runnable]:
syscall.Syscall(0x6, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
/usr/local/go/src/syscall/asm_linux_arm.s:17 +0x8
syscall.Close(0x11, 0x0, 0x0)
/usr/local/go/src/syscall/zsyscall_linux_arm.go:296 +0x44
os.(*file).close(0x10c498b0, 0x0, 0x0)
/usr/local/go/src/os/file_unix.go:140 +0x54
os.(*File).Close(0x10b6e3f8, 0x0, 0x0)
/usr/local/go/src/os/file_unix.go:132 +0x54
io/ioutil.WriteFile(0x4d8d60, 0x12, 0x10c8d7a0, 0xd1, 0x103, 0x1b6, 0x0, 0x0)
/usr/local/go/src/io/ioutil/ioutil.go:85 +0xdc
main.jsonSave(0x4d8d60, 0x12, 0x4bed70, 0x6929b0)
/home/pi/printer/app/db.go:543 +0x20c
main.(*StatusStruct).Save(0x6929b0)
/home/pi/printer/app/db.go:471 +0x64
created by main.setLayer
/home/pi/printer/app/printing.go:243 +0x9c
trap 0x6
error 0x0
oldmask 0x0
r0 0x0
r1 0x58e
r2 0x6
r3 0x0
r4 0x76d54094
r5 0x76a49460
r6 0x0
r7 0x10c
r8 0x1
r9 0x76baa6d0
r10 0x109005a0
fp 0x674948
ip 0x76a49920
sp 0x76a48a88
lr 0x76c43f44
pc 0x76c43f70
cpsr 0x20000010
fault 0x0
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Please, share whole output
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I changed the printer profile to one of predefined and also removed Waitfordonemessage from gcode. That has done the trick. I had noticed that the ramps sync module was not able to recognize the ok messages from grbl. I am now able to simulate the entire print job.
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If you want to sync movements, use patched marlin, link is available on download page.
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