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GeezerVison is showing github.com — gcodeplot/gcodeplotutils/sendgcode.py at master · arpruss/gcodeplot Expand file tree/ Copy pathsendgcode.pyMore file actions executable file ·228 lines (203 loc) · 8.24 KB / Copy pathsendgcode.pyFile metadata and controlsexecutable file ·228 lines (203 loc) · 8.24 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 from __future__ import print_function import time import os import re import sys from .evaluate import * try: from serial import Serial except: if sys.version_info < (2, 7): dir = "pyserial27" else: dir = "pyserial3" import inspect serialFolder = os.path.abspath(os.path.split(inspect.getfile(inspect.currentframe()))[0] + "/" + dir) sys.path.insert(0, serialFolder) from serial import Serial class FakeSerial(object): def __init__(self, name): if name == 'stdout': self.handle = sys.stdout elif name == 'stderr': self.handle = sys.stderr else: self.handle = open(name, "w") def flushInput(self): return def write(self, data): self.handle.write(data) def close(self): if self.handle is not sys.stdout: self.handle.close() def sendHPGL(port, commands): s = Serial(port, 115200) s.flushInput() s.write(commands) s.close() def sendGcode(port, commands, speed=115200, xonxoff=True, quiet = False, gcodePause="@pause", plotter=None, variables={}, formulas={}): class State(object): pass commandsSplit = [] for cmd in commands: commandsSplit += cmd.split("\n") commands = commandsSplit state = State() state.cmd = None state.done = False if sys.version_info[0] <= 2: text_input = raw_input else: text_input = input if port.startswith('file:'): s = FakeSerial(port[5:]) else: s = Serial(port, speed, xonxoff=xonxoff) s.flushInput() class State(object): pass state = State() state.relative = False state.lineNumber = 1 s.write('\nM110 N1\n') ## TODO: flow control state.lineNumber = 2 def sendCommand(c): def checksum(text): cs = 0 for c in text: cs ^= ord(c) return cs & 0xFF components = c.strip().split(';') c = components[0].strip() if len(components) > 1: if '!!' in components[1]: for subst in re.split(r'\s+', components[1].split('!!', 2)[1].strip()): axis = subst[0] try: value = evaluate(subst[1:],variables,formulas) c = re.sub(r'\b' + axis + r'[0-9.\-]+', '%s%.3f' % (axis, value), c) except ValueError: pass if c: ## assumes movement is always absolute if not state.relative and re.match(r'[Gg][012]\s', c): for part in re.split(r'\s+', c.upper()): if re.match(r'X[-.0-9]', part): variables['x'] = float(part[1:]) elif re.match(r'Y[-.0-9]', part): variables['y'] = float(part[1:]) elif re.match(r'Z[-.0-9]', part): variables['z'] = float(part[1:]) elif re.match(r'[Gg]91\b', c): state.relative = True if 'x' in variables: del variables['x'] if 'y' in variables: del variables['y'] if 'z' in variables: del variables['z'] elif re.match(r'[Gg]90\b', c): state.relative = False elif re.match(r'[Gg]28\b', c): if 'x' in variables: del variables['x'] if 'y' in variables: del variables['y'] if 'z' in variables: del variables['z'] command = 'N' + str(state.lineNumber) + ' ' + c command += '*' + str(checksum(command)) s.write(command+'\n') s.flushInput() state.lineNumber += 1 for c in commands: c = c.strip() if c.startswith(gcodePause): print("PAUSE:"+c[len(gcodePause):]+""" Commands available: c[ontinue] a[bort] xvalue yvalue zvalue: move absolute x+value y+value z+value: move relative variable=value Gxxx / Mxxx / Txxx: manual gcode command""") def showVariables(): if variables: print("\nCurrent variables:") print('\t'.join(("%s=%.5g" % (var, variables[var]) for var in sorted(variables)))) if formulas: print("\nCurrent formulas and constants:") out = [] for var in sorted(formulas): try: value = float(formulas[var]) out.append("%s=%.5g" % (var, value)) except ValueError: out.append("%s=%s=%.5g" % (var, formulas[var], evaluate(formulas[var],variables,formulas))) print('\t'.join(out)) showVariables() while True: cmdOriginalCase = text_input("\nCOMMAND: ").strip() cmd = cmdOriginalCase.lower() if len(cmd) == 0: continue if '=' in cmd: try: var,value = re.split(r'\s*=\s*', cmd, maxsplit=2) if var in formulas: raise ValueError() variables[var] = evaluate(value,variables,formulas) except: print("Syntax error.") showVariables() elif cmd.startswith('c'): print("Resuming.") break elif cmd.startswith('a'): print("Aborting.") s.close() sys.exit(0) elif cmdOriginalCase[0] in 'GMT': sendCommand(cmdOriginalCase) showVariables() elif re.search('[xyz]', cmd): try: xyMove = '' zMove = '' parts = re.split('\s+', cmd) i = 0 while i < len(parts): part = parts[i] if part[0] in 'xyz': if len(part) == 1: i += 1 if len(parts) <= i: raise ValueError() valueString = parts[i] else: valueString = part[1:] if valueString[0] == '+': value = variables[part[0]] + evaluate(valueString[1:],variables,formulas) else: value = evaluate(valueString,variables,formulas) if part[0] == 'z': zMove = 'G0 F%.1f Z%.3f; pen up' % (600 if plotter is None else plotter.zSpeed*60., value) elif part[0] == 'x': xyMove += 'X%.3f '%value elif part[0] == 'y': xyMove += 'Y%.3f '%value else: raise ValueError() i += 1 except: print("Syntax error.") showVariables() continue if zMove: sendCommand(zMove) if xyMove: sendCommand('G1 F%.1f %s'%(600 if plotter is None else plotter.moveSpeed*60., xyMove)) showVariables() else: print("Unknown command.") else: sendCommand(c) s.close() if __name__ == '__main__': import sys sendGcode(port=sys.argv[2], commands=open(sys.argv[1], 'r').readlines()) |
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