going for v0.2.1

Author: trevorwslee

README.md

@@ -1,4 +1,4 @@
-# DumbDisplay MicroPython Library  #
+# DumbDisplay MicroPython Library (v0.2.1) #
 
 DumbDisplay MicroPython Library is a port of the Arduino DumbDisplay Library (https://github.com/trevorwslee/Arduino-DumbDisplay)
 for the DumbDisplay Android app -- https://play.google.com/store/apps/details?id=nobody.trevorlee.dumbdisplay
@@ -7,7 +7,7 @@ For a video introduction, please watch the YouTube video: Introducing DumbDispla
 
 Although the porting is not complete, nevertheless, a large portion of DumbDisplay functionalities have been ported. Hopefully, this should already be helpful for friends that develop programs for micro-controller boards in Micro-Python.
 
-Note that even though it is targeted for MicroPython, it is still usable with regular Python 3, like in Raspberry Pi environment,
+Note that even it is targeted for MicroPython, it is still usable with regular Python 3, like in Raspberry Pi environment,
 or even with desktop / laptop.
 
 
@@ -120,3 +120,13 @@ Notes:
 
 ## Enjoy! May God bless you! Peace be with you! Jesus loves you! ##
 
+
+
+# Change History
+
+
+v0.2.1
+- add plotter layer
+- bug fixes
+
+

dumbdisplay/_ddlayer_plotter.py

@@ -0,0 +1,26 @@
+from ._ddlayer import DDLayer
+from ._ddlayer import _DD_BOOL_ARG
+from ._ddlayer import _DD_COLOR_ARG
+
+class DDLayerPlotter(DDLayer):
+  '''Plotter'''
+  def __init__(self, dd, width, height, pixels_per_second = 10):
+    '''
+    :param dd: DumbDisplay object
+    :param width: width
+    :param height: height
+    :param pixels_per_second: # pixel to scroll per second
+    '''
+    layer_id = dd._createLayer(str("plotterview"), str(width), str(height), str(pixels_per_second))
+    super().__init__(dd, layer_id)
+  def label(self, **key_label_pairs):
+    '''set labels of keys; if key has no label, the key will be the label'''
+    for (key, lab) in key_label_pairs.items():
+      self.dd._sendCommand(self.layer_id, "label", key, str(lab))
+  def set(self, **key_value_pairs):
+    '''set values with multiple key value pairs; value should be numeric'''
+    params = []
+    for (k, v) in key_value_pairs.items():
+      params.append(k)
+      params.append(str(v))
+    self.dd._sendCommand(self.layer_id, "", *params)

dumbdisplay/layer_plotter.py

@@ -0,0 +1,2 @@
+from ._ddlayer_plotter import DDLayerPlotter as LayerPlotter
+

dumbdisplay/layers.py

@@ -2,3 +2,4 @@
 from ._ddlayer_lcd import DDLayerLcd as LayerLcd
 from ._ddlayer_graphical import DDLayerGraphical as LayerGraphical
 from ._ddlayer_7segrow import DDLayer7SegmentRow as Layer7SegmentRow
+from ._ddlayer_plotter import DDLayerPlotter as LayerPlotter