Updated Displays (markdown)

Displays.md

@@ -115,21 +115,53 @@ align right  <BR>
 `w _p_` = draws an analog watch with radius p  (#define USE_AWATCH) <BR>
 `Pfilename:` = display an rgb 16bit color image when sdcard file system is present<BR>
 
-Draw GFX Buttons (up to 16)
-buttons switch real Tasmota devices like relais. When button number + 256 a virtual touch toggle button is created (MQTT => TBT)
+Touch Buttons:
+
+Draw GFX Buttons (up to 16) buttons switch real Tasmota devices like relais. When button number + 256 a virtual touch toggle button is created (MQTT => TBT)
 when button number + 512 a virtual touch push button is created (MQTT => PBT)
 (#define USE\_TOUCH\_BUTTONS)  
+parameters, separated by colons
+
+example b0:260:260:100:50:2:11:4:2:Rel 1:
 
 >b _p_  =button number 0-15  
-x _p_ = x position  
-y _p_ = y position  
-x _s_ = x size  
-y _s_ = y size  
-o _c_ = outline color  
-f _c_ = fill color  
-t _c_ = text color  
-t _s_ = text size  
-b _text_: = button text (must end with a colon :) (max 9 chars)  
+xp = x position  
+yp = y position  
+xa = x size  
+ys = y size  
+oc = outline index color  
+fc = fill index color  
+tc = text index color  
+ts = text size  
+text: = button text (must end with a colon :) (max 9 chars)  
+
+
+Line chart:
+
+Up to 4 line charts may be defined. Ticks may be defined by adding
+tick numbers to the 1. parameter n like this =\> n = graph number
+(0-3) + x ticks (16\*number of x ticks) + y ticks (1024\*number of y
+ticks)  (#define USE\_GRAPH #define NUM\_GRAPHS 4 (16 max))
+parameters, separated by colons
+
+>*Gn:xp:yp:xs:ys:t:fmax:fmin* = defines a line chart.  
+n = number up to 4 charts (0-3) + optional ticks  
+xp = x position  
+yp = y position  
+xs = x size  (if xs<0) graph is not reinitialized on second call (e.g. restart of scripter)  
+ys = y size  
+t = time in minutes for total chart  
+ymin = float chart minimum y  
+ymax = float chart maximum y  
+icol = line indexcolor (only for color graphs)  
+
+>gn:v Adds a value to the chart buffer  
+n = number up to 4 charts (0-3)  
+v = float value to add  
+
+>Gdn:m = set graph n draw mode 0=off, 1=on when on, redraw graph  
+Gsn:path: = save graph n to path (if optional sdcard present)  
+Grn:path: = restore graph n from path (if optional sdcard present)  
 
 ### Index colors selected in the color panels ILI9488,SSD1351,RA8876 with Ci and Bi