Apple-2-SW/Apple-410
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make the svg parsing a bit more robust

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safe up the wait time on the serial
This commit is contained in:
Adam Mayer 2017-12-04 16:39:34 -05:00
parent 197026f385
commit ad458c9ba3
3 changed files with 18 additions and 19 deletions
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4
apple410.py
View File

@ -13,9 +13,9 @@ class Apple410:
def sendchar(self, c): def sendchar(self, c):
self.serial.flush() self.serial.flush()
while not self.serial.cts: while not self.serial.cts:
time.sleep(0.1) time.sleep(0.2)
while not self.serial.dsr: while not self.serial.dsr:
time.sleep(0.1) time.sleep(0.2)
self.serial.write(c.encode('ascii')) self.serial.write(c.encode('ascii'))
self.serial.flush() self.serial.flush()

9
send_to_plotter.py
View File

@ -1,9 +0,0 @@
#!/usr/bin/python3
import serial
print("opening port")
s = serial.Serial("/dev/ttyUSB0", 9600, timeout=1)
print("opened")
s.write(b'PS4\x03')
print("Sent pen select\n")
print("recv {}\n".format(s.read(100)))

24
svg_to_plot.py
View File

@ -16,15 +16,23 @@ def parse_coord(d):
def d_to_commands(d): def d_to_commands(d):
segs = [] segs = []
(cmd, remain) = (d[0],d[1:].strip()) while d:
if cmd == 'm': (cmd, d) = (d[0],d[1:].strip())
(coord, remain) = parse_coord(remain) if cmd == 'm':
while remain and (remain[0] == '-' or remain[0] in string.digits): (coord, d) = parse_coord(d)
(delta, remain) = parse_coord(remain) while d and (d[0] == '-' or d[0] in string.digits):
nc = (delta[0]+coord[0],delta[1]+coord[1]) (delta, d) = parse_coord(remain)
segs.append( (coord, nc) ) nc = (delta[0]+coord[0],delta[1]+coord[1])
segs.append( (coord, nc) )
coord = nc
elif cmd == 'M':
(coord, d) = parse_coord(d)
elif cmd == 'L':
(nc, d) = parse_coord(d)
segs.append( (coord,nc) )
coord = nc coord = nc
return segs else:
raise("Unrecognized: {}".format(d[0:50]))
return segs return segs