Merge pull request #452 from jdlcdl/ram_indicator

draw_ram_indicator() easier numbers to read, includes RAM just collected

src/krux/pages/__init__.py

@@ -639,9 +639,36 @@ def draw_status_bar(self):
     #     self.draw_ram_indicator()
 
     # def draw_ram_indicator(self):
-    #     """Draws the amount of free RAM in the status bar"""
+    #     """Draws the amount of free RAM in the status bar +recently-collected"""
+    #     def strnum(_in):
+    #         large_units = ("","K","M")
+
+    #         value = _in
+    #         for i in range(len(large_units)):
+    #             unit = large_units[i]
+    #             if value < 2**10:
+    #                 break
+    #             if i+1 < len(large_units):
+    #                 value /= 2**10
+
+    #         if value == int(value):
+    #             fmt = "%d" + unit
+    #         else:
+    #            if value < 1:
+    #                fmt = "%0.3f" + unit
+    #            elif value < 10:
+    #                fmt = "%.2f" + unit
+    #            elif value < 100:
+    #                fmt = "%.1f" + unit
+    #            else:
+    #                fmt = "%d" + unit
+
+    #         return fmt % value
+
+    #     pre_collect = gc.mem_free()
     #     gc.collect()
-    #     ram_text = "RAM: " + str(gc.mem_free())
+    #     post_collect = gc.mem_free()
+    #     ram_text = "RAM: " + strnum(post_collect) + " +" + strnum(post_collect - pre_collect)
     #     self.ctx.display.draw_string(12, 0, ram_text, GREEN)
 
     def draw_battery_indicator(self):