def read_kicadpcb(kicadpcb_file):
""" Open the board file, read the modules and extract the placement
data.
"""
board = PN.LoadBoard(kicadpcb_file)
board_bb = board.ComputeBoundingBox(True)
bot_left_x = board_bb.GetLeft()
bot_left_y = board_bb.GetBottom()
result_mods = {}
for module in board.GetModules():
rot = module.GetOrientation() / 10.0
module_rect = getFootprintRect(module, upright=True)
x_size = PN.ToMils(module_rect.GetWidth())
y_size = PN.ToMils(module_rect.GetHeight())
designator = module.GetReference()
module_center = module_rect.Centre()
result_mods[designator] = {
"DESIGNATOR": designator,
"VALUE": module.GetValue(),
"X_SIZE": x_size,
"Y_SIZE": y_size,
"ROTATION": rot,
"SIDE": "top" if (module.GetLayer() is PN.F_Cu) else
"bot", #1/T/top for Top, 2/B/bot/bottom for Bottom
"TYPE": "SMD" if
(isModuleSMD(module)) else "PTH", #1/SMT/SMD for SMD, 2 for PTH
"X_LOC": PN.ToMils(module_center.x - bot_left_x),
"Y_LOC": PN.ToMils(bot_left_y - module_center.y),
"FOOTPRINT": "", #C0805, R0603, TQFP-100
"POPULATE": "1" #1 for populate, 0 for do not populate
}
return result_mods
def get_MacroFab_xyrs_data(parts, include_th = True):
def footprint_type(t):
if t.lower() == 'smt':
return 1
return 2
def populate_val(i):
if i:
return 1
return 0
spec_dict = collections.OrderedDict([
('reference', ('Designator', lambda x: '%s'%x)),
('bbox_pos_x', ('X-Loc', lambda x: '%.2f'%pcbnew.ToMils(x))),
('bbox_pos_y', ('Y-Loc', lambda x: '%.2f'%pcbnew.ToMils(x))),
('rotation_deg', ('Rotation', lambda x: '%.0f'%x)),
('side', ('Side', lambda x: '%s'%x)),
('footprint_type', ('Type', lambda x: '%s'%footprint_type(x))),
('size_x', ('X-Size', lambda x: '%.2f'%pcbnew.ToMils(x))),
('size_y', ('Y-Size', lambda x: '%.2f'%pcbnew.ToMils(x))),
('value', ('Value', lambda x: '%s'%x)),
('footprint', ('Footprint', lambda x: '%s'%x)),
('populate', ('Populate', lambda x: '%d'%populate_val(x))),
('manuf part', ('MPN', lambda x: '%s'%x)),
])
return get_data_str(
parts,
spec_dict,
separator = '\t',
populated_only = True,
smt_only = not include_th,
file_doc = '#Units used = mils / deg',
header_on = True,
header_prefix = '#'
)
def report_teed_lengths(groupname, netname, target_length, tolerance):
global dbg_conn
print(groupname, netname)
nc = pcb.GetNetcodeFromNetname(netname)
#print("nc", nc)
pads = nets[netname].Pads()
# convert from std::vector<> to python list
pads = list(pads)
#print_pads(netname, pads )
cpu_pad = find_cpu_pad(pads)
pads.remove(cpu_pad)
# a trap for a troublesome net that appears to be disconnected or has stray segments.
if netname == None:
#if netname == '/DDR3/DRAM_SDCKE0':
dbg_conn = True
# find the first T
#print_pads(netname + ' without cpu pad', pads )
t1 = find_connected_pad(cpu_pad, pads)
pads.remove(t1)
# find 2 second tier T pads
t2_1 = find_connected_pad(t1, pads)
pads.remove(t2_1)
t2_2 = find_connected_pad(t1, pads)
pads.remove(t2_2)
cpad = [0] * 4
# find 4 memory pads off of each 2nd tier T
cpad[0] = find_connected_pad(t2_1, pads)
pads.remove(cpad[0])
cpad[1] = find_connected_pad(t2_1, pads)
pads.remove(cpad[1])
cpad[2] = find_connected_pad(t2_2, pads)
pads.remove(cpad[2])
cpad[3] = find_connected_pad(t2_2, pads)
pads.remove(cpad[3])
len_t1 = sum_track_lengths(cpu_pad.GetPosition(),t1.GetPosition(),nc)
#print("len_t1 %.0f" % len_t1)
len_t2_1 = sum_track_lengths(t1.GetPosition(),t2_1.GetPosition(),nc)
len_t2_2 = sum_track_lengths(t1.GetPosition(),t2_2.GetPosition(),nc)
#print("len_t2_1 %.0f" % len_t2_1)
#print("len_t2_2 %.0f" % len_t2_2)
lens = [0] * 4
lens[0] = sum_track_lengths(t2_1.GetPosition(),cpad[0].GetPosition(),nc)
lens[1] = sum_track_lengths(t2_1.GetPosition(),cpad[1].GetPosition(),nc)
lens[2] = sum_track_lengths(t2_2.GetPosition(),cpad[2].GetPosition(),nc)
lens[3] = sum_track_lengths(t2_2.GetPosition(),cpad[3].GetPosition(),nc)
"""
for index, total_len in enumerate(lens):
print( "%s: %.0f" % (pad_name(cpad[index]), lens[index]))
"""
# Each net goes from CPU to four memory chips, these are the 4 lengths from
# CPU to each of the for memory chip balls/pads, some of these journeys are
# common with one another but branch off at each T.
lens[0] += len_t1 + len_t2_1
lens[1] += len_t1 + len_t2_1
lens[2] += len_t1 + len_t2_2
lens[3] += len_t1 + len_t2_2
for index, total_len in enumerate(lens):
delta = total_len - target_length
if delta > tolerance:
print_color( BRIGHTRED, "%s %s len:%.0f long by %.0f mils" %
(netname, pad_name(cpad[index]), pcbnew.ToMils(total_len), pcbnew.ToMils(delta - tolerance) ))
elif delta < -tolerance:
print_color( BRIGHTRED, "%s %s len:%.0f short by %.0f mils" %
(netname, pad_name(cpad[index]), pcbnew.ToMils(total_len), pcbnew.ToMils(tolerance - delta) ))
def ToInch(a):
if isinstance(a, pcbnew.wxPoint):
return pcbnew.wxPoint(pcbnew.ToMils(a.x / 1000.0),
pcbnew.ToMils(a.y / 1000.0))
else:
return pcbnew.ToMils(a / 1000.0)
def unit2mils(pnt):
return (pcbnew.ToMils(pnt[0]), pcbnew.ToMils(pnt[1]))