wip: helios_dac

libs3/tracer_helios.py

@@ -27,6 +27,8 @@ numDevices = HeliosLib.OpenDevices()
 print("Found ", numDevices, "Helios DACs")
 
 
+
+
 class TracerHelios(Tracer):
     """A connection to a DAC."""
 
@@ -44,12 +46,19 @@ class TracerHelios(Tracer):
         self.prev_x = 0
         self.prev_y = 0
 
+        self.min_res = 0
+        self.max_res = 4095
+
         # self.newstream = OnePointIterator()
 
         # "Laser point List" Point generator
         # each points is yielded : Getpoints() call n times OnePoint()
         pass
 
+    def clip(self, number):
+        return int(  self.min_res if number < self.min_res else self.max_res if number > self.max_res else number)
+
+
     def get_points_capacity(self):
         return 1000
 
@@ -87,8 +96,10 @@ class TracerHelios(Tracer):
         points = [point for point in points]
         for i, point in enumerate(points):
             x, y, r, g, b = point
-            x = x if not math.isnan(x) else 0
-            y = x if not math.isnan(y) else 0
+            x *= 10
+            y *= 10
+            x = 0 if math.isnan(x) else self.clip(x)
+            y = 0 if math.isnan(y) else self.clip(y)
             frame[i] = HeliosPoint(int(x), int(y), int(r), int(g), int(b), 255)
         statusAttempts = 0
         # Make 512 attempts for DAC status to be ready. After that, just give up and try to write the frame anyway
@@ -96,44 +107,15 @@ class TracerHelios(Tracer):
             statusAttempts += 1
         f = ctypes.pointer(frame)
         # int HeliosDac::WriteFrame(unsigned int devNum, unsigned int pps, std::uint8_t flags, HeliosPoint* points, unsigned int numOfPoints)
-        ret_helios = HeliosLib.WriteFrame(0, 3000, 0, f, len(frame))
-        # @todo : detect errors
-        if ret_helios != 1:
-            print(f"ERR ]Helios DAC #{self.laser_id} returned error {ret_helios}")
+        # ret_helios = HeliosLib.WriteFrame(0, 3000, 0, f, len(frame))
+        # # @todo : detect errors
+        # if ret_helios != 1:
+        #     print(f"ERR ]Helios DAC #{self.laser_id} returned error {ret_helios}")
 
     def get_warped_point(self, x, y):
-
         # transform in one matrix, with warp !!
         # Etherpoint all transform in one matrix, with warp !!
         np_arr = np.array([(x, y, 0)])
-        laser_EDH = gstt.EDH[self.laser_id]
-        position = homographyp.apply(laser_EDH, np_arr)
+        laser_edh = gstt.EDH[self.laser_id]
+        position = homographyp.apply(laser_edh, np_arr)
         return position[0][0], position[0][1]
-
-#
-# # Create sample frames
-# frames = [0 for x in range(30)]
-# frameType = HeliosPoint * 1000
-# x = 0
-# y = 0
-# for i in range(30):
-#     y = round(i * 0xFFF / 30)
-#     frames[i] = frameType()
-#     for j in range(1000):
-#         if (j < 500):
-#             x = round(j * 0xFFF / 500)
-#         else:
-#             x = round(0xFFF - ((j - 500) * 0xFFF / 500))
-#
-#         frames[i][j] = HeliosPoint(int(x), int(y), 255, 255, 255, 255)
-#
-# # Play frames on DAC
-# for i in range(150):
-#     for j in range(numDevices):
-#         statusAttempts = 0
-#         # Make 512 attempts for DAC status to be ready. After that, just give up and try to write the frame anyway
-#         while (statusAttempts < 512 and HeliosLib.GetStatus(j) != 1):
-#             statusAttempts += 1
-#         HeliosLib.WriteFrame(j, 30000, 0, ctypes.pointer(frames[i % 30]), 1000)  # Send the frame
-#
-# HeliosLib.CloseDevices()