def plot_trends(fr, id=None, instr=3, cmd=30, make_plot=True):
"""A file stream of packets is filtered and plotted
The packet stream is stored as a dictionary of lists, with each list
corresponding to a servo ID.
Parameters
----------
fr : file stream
e.g. via ``open('file', 'r')``
(optional)
id : list/tuple of integers
ID #s to keep
instr : list/tuple of integers
instruction values to keep
cmd : integer
command value to keep
make_plot : boolean
If False, plotting is skipped.
Returns
----------
plotting_dict : dictionary
the dictionary storing the lists that would be plotted
"""
# Get values from PyDyConfigParser:
cfg = PyDyConfigParser()
cfg.read()
subplot_dict = cfg.get_plot_config()
id_dict = cfg.get_id_to_device_dict()
# get list of packets, each packet is a list of integers
packets = PyDyParser.filtering_method(fr, f_id=id, f_instr=instr, \
f_cmd=cmd, sync_split=True)
plotting_dict = {}
for packet in packets:
if packet[0] != "255":
xval = [float(packet[0])]
packet = packet[1:]
else:
xval = []
# packet_id = str(packet[_id])
packet_id = packet[_id]
if packet_id in plotting_dict.keys():
plotting_dict[packet_id].append(sum_single_cmd_val(packet, cmd, id_dict))
else:
plotting_dict[packet_id] = [ sum_single_cmd_val(packet, cmd, id_dict) ]
# plotkeys is the list (and order) of plots to make
if id is None:
plotkeys = plotting_dict.keys()
else:
plotkeys = PyDyParser._is_list(id)
# This preserves the user-specified order, but tosses IDs that weren't
# in the filtered packets.
plotkeys = [x for x in plotkeys if x in plotting_dict.keys()]
# Generate the plots
fignum = 1
plt.figure(1)
cnt = 0;
for key in plotkeys:
# If reached the limit of 'plots per window,' then next plots
# are in a new window.
if cnt == len(subplot_dict.keys()):
fignum += 1
plt.figure(fignum)
cnt = 0
plt.subplot(subplot_dict[cnt])
plt.plot(plotting_dict[key])
plt.title("{1} ID: {0}".format(key, id_dict[key]))
cnt += 1
if make_plot:
plt.show()
# script pauses until plot window is closed.
return plotting_dict
print '\t'.join(PDP.translate_packet([0xff,0xff,0x00,0x04,0x03,0x04,0x01,0xf3], z)) # write
print '\t'.join(PDP.translate_packet([0xff,0xff,0x00,0x03,0x03,0x04,0xf2], z)) # write
print '\t'.join(PDP.translate_packet([0xff,0xff,0x01,0x04,0x02,0x00,0x03,0xf5], z)) #read data
print '\t'.join(PDP.translate_packet([0xff,0xff,0x00,0x02,0x06,0xf7], z)) #reset
print '\t'.join(PDP.translate_packet([0xff,0xff,0x01,0x02,0x01,0xfb], z)) #ping
print '\t'.join(PDP.translate_packet([0xff,0xff,0x01,0x02,0x05,0xf7], z)) #action
print '\t'.join(PDP.translate_packet([0xff,0xff,0x00,0x07,0x03,0x1e,0x00,0x02,0x00,0x02,0xd3], z)) #example 18
print "\nWith timestamps..."
print "\t".join(PDP.translate_packet([123.445,0xff,0xff,0x00,0x04,0x03,0x04,0x01,0xf3], z)) # write
print "\t".join(PDP.translate_packet([123.445,0xff,0xff,0x00,0x04,0x03,0x04,0x01,0xf3], z, True)) # write
print '\t'.join(PDP.translate_packet([123.445, \
0XFF,0XFF,0XFE,0X18,0X83,0X1E,0X04,
0X00,0X10,0X00,0X50,0X01,
0X01,0X20,0X02,0X60,0X03,
0X02,0X30,0X00,0X70,0X01,
0X03,0X20,0X02,0X80,0X03,
0X12], z, True) )
print "\nSplit sync packet"
mypackets = PDPar.make_packets_from_sync_write_packet([ \
0XFF,0XFF,0XFE,0X18,0X83,0X1E,0X04,
0X00,0X10,0X00,0X50,0X01,
0X01,0X20,0X02,0X60,0X03,
0X02,0X30,0X00,0X70,0X01,
0X03,0X20,0X02,0X80,0X03,
0X12])
for x in mypackets:
print x
print "\t".join(PDP.translate_packet(x, z, True))
def plot_trends(fr, id=None, instr=3, cmd=30, make_plot=True):
"""A file stream of packets is filtered and plotted
The packet stream is stored as a dictionary of lists, with each list
corresponding to a servo ID.
Parameters
----------
fr : file stream
e.g. via ``open('file', 'r')``
(optional)
id : list/tuple of integers
ID #s to keep
instr : list/tuple of integers
instruction values to keep
cmd : integer
command value to keep
make_plot : boolean
If False, plotting is skipped.
Returns
----------
plotting_dict : dictionary
the dictionary storing the lists that would be plotted
"""
# Get values from PyDyConfigParser:
cfg = PyDyConfigParser()
cfg.read()
subplot_dict = cfg.get_plot_config()
id_dict = cfg.get_id_to_device_dict()
# get list of packets, each packet is a list of integers
packets = PyDyParser.filtering_method(fr, f_id=id, f_instr=instr, \
f_cmd=cmd, sync_split=True)
plotting_dict = {}
for packet in packets:
if packet[0] != "255":
xval = [float(packet[0])]
packet = packet[1:]
else:
xval = []
# packet_id = str(packet[_id])
packet_id = packet[_id]
if packet_id in plotting_dict.keys():
plotting_dict[packet_id].append(
sum_single_cmd_val(packet, cmd, id_dict))
else:
plotting_dict[packet_id] = [
sum_single_cmd_val(packet, cmd, id_dict)
]
# plotkeys is the list (and order) of plots to make
if id is None:
plotkeys = plotting_dict.keys()
else:
plotkeys = PyDyParser._is_list(id)
# This preserves the user-specified order, but tosses IDs that weren't
# in the filtered packets.
plotkeys = [x for x in plotkeys if x in plotting_dict.keys()]
# Generate the plots
fignum = 1
plt.figure(1)
cnt = 0
for key in plotkeys:
# If reached the limit of 'plots per window,' then next plots
# are in a new window.
if cnt == len(subplot_dict.keys()):
fignum += 1
plt.figure(fignum)
cnt = 0
plt.subplot(subplot_dict[cnt])
plt.plot(plotting_dict[key])
plt.title("{1} ID: {0}".format(key, id_dict[key]))
cnt += 1
if make_plot:
plt.show()
# script pauses until plot window is closed.
return plotting_dict