| 1 | #!/usr/bin/env python |
| 2 | """\ |
| 3 | Stream g-code to Smoothie USB serial connection |
| 4 | |
| 5 | Based on GRBL stream.py, but completely different |
| 6 | """ |
| 7 | |
| 8 | from __future__ import print_function |
| 9 | import sys |
| 10 | import argparse |
| 11 | import serial |
| 12 | import threading |
| 13 | import time |
| 14 | import signal |
| 15 | import sys |
| 16 | |
| 17 | errorflg= False |
| 18 | intrflg= False |
| 19 | |
| 20 | def signal_term_handler(signal, frame): |
| 21 | global intrflg |
| 22 | print('got SIGTERM...') |
| 23 | intrflg= True |
| 24 | |
| 25 | signal.signal(signal.SIGTERM, signal_term_handler) |
| 26 | |
| 27 | # Define command line argument interface |
| 28 | parser = argparse.ArgumentParser(description='Stream g-code file to Smoothie over telnet.') |
| 29 | parser.add_argument('gcode_file', type=argparse.FileType('r'), |
| 30 | help='g-code filename to be streamed') |
| 31 | parser.add_argument('device', |
| 32 | help='Smoothie Serial Device') |
| 33 | parser.add_argument('-q','--quiet',action='store_true', default=False, |
| 34 | help='suppress output text') |
| 35 | args = parser.parse_args() |
| 36 | |
| 37 | f = args.gcode_file |
| 38 | verbose = not args.quiet |
| 39 | |
| 40 | # Stream g-code to Smoothie |
| 41 | |
| 42 | dev= args.device |
| 43 | |
| 44 | # Open port |
| 45 | s = serial.Serial(dev, 115200) |
| 46 | s.flushInput() # Flush startup text in serial input |
| 47 | |
| 48 | print("Streaming " + args.gcode_file.name + " to " + args.device) |
| 49 | |
| 50 | okcnt= 0 |
| 51 | |
| 52 | def read_thread(): |
| 53 | """thread worker function""" |
| 54 | global okcnt, errorflg |
| 55 | flag= 1 |
| 56 | while flag : |
| 57 | rep= s.readline() |
| 58 | n= rep.count("ok") |
| 59 | if n == 0 : |
| 60 | print("Incoming: " + rep) |
| 61 | if "error" in rep or "!!" in rep or "ALARM" in rep or "ERROR" in rep: |
| 62 | errorflg= True |
| 63 | break |
| 64 | else : |
| 65 | okcnt += n |
| 66 | |
| 67 | print("Read thread exited") |
| 68 | return |
| 69 | |
| 70 | # start read thread |
| 71 | t = threading.Thread(target=read_thread) |
| 72 | t.daemon = True |
| 73 | t.start() |
| 74 | |
| 75 | linecnt= 0 |
| 76 | try: |
| 77 | for line in f: |
| 78 | if errorflg : |
| 79 | break |
| 80 | # strip comments |
| 81 | if line.startswith(';') : |
| 82 | continue |
| 83 | l= line.strip() |
| 84 | s.write(l + '\n') |
| 85 | linecnt+=1 |
| 86 | if verbose: print("SND " + str(linecnt) + ": " + line.strip() + " - " + str(okcnt)) |
| 87 | |
| 88 | except KeyboardInterrupt: |
| 89 | print("Interrupted...") |
| 90 | intrflg= True |
| 91 | |
| 92 | if intrflg : |
| 93 | # We need to consume oks otherwise smoothie will deadlock on a full tx buffer |
| 94 | print("Sending Abort - this may take a while...") |
| 95 | s.write('\x18') # send halt |
| 96 | |
| 97 | if errorflg : |
| 98 | print("Target halted due to errors") |
| 99 | |
| 100 | else : |
| 101 | print("Waiting for complete...") |
| 102 | while okcnt < linecnt : |
| 103 | if verbose: print(str(linecnt) + " - " + str(okcnt) ) |
| 104 | if errorflg : |
| 105 | s.read(s.inWaiting()) # rad all remaining characters |
| 106 | break |
| 107 | time.sleep(1) |
| 108 | |
| 109 | # Wait here until finished to close serial port and file. |
| 110 | raw_input(" Press <Enter> to exit") |
| 111 | |
| 112 | |
| 113 | # Close file and serial port |
| 114 | f.close() |
| 115 | s.close() |