Add export for pick & place machines.

Based on 'mountsmd.ulp' distributed with Eagle.

eagle_automation/config.py

@@ -1,6 +1,7 @@
 LAYERS = {
 	'topassembly': {
 		'layers': ['tPlace', 'tNames', 'tDocu'],
+		'pp_id': 1,
 	},
 
 	'topsilk': {
@@ -42,6 +43,7 @@
 	'bottomassembly': {
 		'layers': ['bPlace', 'bNames', 'bDocu'],
 		'mirror': True,
+		'pp_id': 16,
 	},
 
 	'outline': {

eagle_automation/export.py

@@ -32,6 +32,11 @@ def export(self, in_path, layers, out_paths):
 		cmd = [EAGLE, "-C" + script_string, in_path]
 		subprocess.call(cmd)
 
+		self.clean()
+
+	def clean(self):
+		pass
+
 class EaglePNGExport(EagleScriptExport):
 	def write_script(self, extension, layers, out_paths):
 
@@ -79,6 +84,86 @@ def write_script(self, extension, layers, out_paths):
 
 		return script
 
+class EagleMountSMDExport(EagleScriptExport):
+
+	# Following ULP code based on "mountsmd.ulp" by CadSoft
+
+	ULP_TEMPLATE_HEAD = """
+board(B) {
+    string fileName;
+"""
+
+	ULP_TEMPLATE = """
+    fileName = "%(out_path)s";
+    output(fileName) {
+
+        B.elements(E) {
+
+            int wasSmd,
+                xmax =-2147483648,
+                xmin = 2147483647,
+                ymax = xmax,
+                ymin = xmin;
+
+            wasSmd = 0;
+
+            E.package.contacts(C) {
+                if (C.smd && C.smd.layer == %(pp_id)d) {
+                    wasSmd = 1;
+
+                    if (C.x > xmax) xmax = C.x;
+                    if (C.y > ymax) ymax = C.y;
+                    if (C.x < xmin) xmin = C.x;
+                    if (C.y < ymin) ymin = C.y;
+                }
+            }
+
+            if (wasSmd)
+                printf("%%s %%5.2f %%5.2f %%3.0f %%s %%s\\n",
+                E.name, u2mm((xmin + xmax)/2), u2mm((ymin + ymax)/2),
+                E.angle, E.value, E.package.name);
+        }
+    }
+"""
+
+	ULP_TEMPLATE_TAIL = """
+}
+"""
+
+	def write_script(self, extension, layers, out_paths):
+
+		if extension != 'brd':
+			raise BadExtension
+
+		self.ulp_dir = self.workdir or tempfile.mkdtemp()
+		self.ulp_path = os.path.join(self.ulp_dir, "export.ulp")
+
+		ulp = open(self.ulp_path, "w")
+		ulp.write(self.ULP_TEMPLATE_HEAD)
+
+		for layer, out_path in zip(layers, out_paths):
+
+			pp_id = layer['pp_id']
+
+			assert '"' not in out_path
+			ulp.write(self.ULP_TEMPLATE % {
+				'out_path': out_path,
+				'pp_id': pp_id
+			})
+
+		ulp.write(self.ULP_TEMPLATE_TAIL)
+		ulp.close()
+
+		print self.ulp_path
+
+		return [	"DISPLAY ALL",
+				"RUN %s" % (self.ulp_path,) ]
+
+	def clean(self):
+		os.unlink(self.ulp_path)
+		if not self.workdir:
+			os.rmdir(self.ulp_dir)
+
 class EagleCAMExport:
 	def __init__(self, workdir=None):
 		pass

eagleexport

@@ -5,13 +5,15 @@ from eagle_automation.config import *
 from eagle_automation.export import	EaglePNGExport, \
 					EaglePDFExport, \
 					EagleGerberExport, \
-					EagleExcellonExport
+					EagleExcellonExport, \
+					EagleMountSMDExport
 import sys
 
 out_types = {	'png': EaglePNGExport,
 		'pdf': EaglePDFExport,
 		'gerber': EagleGerberExport,
-		'excellon': EagleExcellonExport }
+		'excellon': EagleExcellonExport,
+		'mountsmd': EagleMountSMDExport }
 
 def usage():
 	print """eagleexport, export layers from CadSoft Eagle files