add scroll method to Leds_matrix

lib/libesp32/berry_tasmota/src/embedded/leds.be

@@ -358,8 +358,117 @@ class Leds : Leds_ntv
           self.strip.set_pixel_color(x * self.w + y + self.offset, col, bri)
         end
       end
+      def _reverse_line(buffer) # for RGB only - no RGBW
+        var len = size(buffer)
+        var pos = 0
+        var b0
+        while pos < len
+          b0 = buffer[pos]
+          buffer[pos] = buffer[pos+2]
+          buffer[pos+2] = b0
+          pos += 3 # pixel size
+        end
+        return buffer.reverse()
+      end
+
+      def scroll(direction, outshift, inshift) # 0 - up, 1 - left, 2 - down, 3 - right ; outshift madatory, inshift optional
+        var buf = self.pix_buffer
+        var h = self.h
+        var sz = self.w * 3 # row size in bytes
+        var pos
+        if direction%2 == 0 #up/down
+          if direction == 0 #up
+            outshift.setbytes(0,self._reverse_line(buf[0..sz-1]))
+            var line = 0
+            while line < (h-1)
+              pos = 0
+              var offset_dst = line * sz
+              var offset_src = ((line+2) * sz) - 3
+              while pos < sz
+                var dst = pos + offset_dst
+                var src = offset_src - pos
+                buf[dst] = buf[src]
+                buf[dst+1] = buf[src+1]
+                buf[dst+2] = buf[src+2]
+                pos += 3
+              end
+              line += 1
+            end
+            var lastline = inshift ? inshift : outshift
+            if h%2 == 1
+              lastline.setbytes(0,self._reverse_line(lastline))
+            end
+            buf.setbytes((h-1) * sz, lastline)
+          else # down
+            outshift.setbytes(0,self._reverse_line(buf[size(buf)-sz..]))
+            var line = h - 1
+            while line > 0
+              buf.setbytes(line * sz,self._reverse_line(buf[(line-1) * sz..line * sz-1]))
+              line -= 1
+            end
+            var lastline = inshift ? inshift : outshift
+            if h%2 == 1
+              lastline.setbytes(0,self._reverse_line(lastline))
+            end
+            buf.setbytes(0, lastline)
+          end
+        else # left/right
+          var pixel_copy = bytes(-3)
+          var line = 0
+          var step = 3
+          if direction == 3 # right
+            step *= -1
+          end
+          while line < h
+            pos = line * sz
+            if step > 0
+                var line_end = pos + sz - step
+                outshift[(line * 3)] = buf[pos]
+                outshift[(line * 3) + 1] = buf[pos+1]
+                outshift[(line * 3) + 2] = buf[pos+2]
+                while pos < line_end
+                  buf[pos] = buf[pos+3]
+                  buf[pos+1] = buf[pos+4]
+                  buf[pos+2] = buf[pos+5]
+                  pos += step
+                end
+                if inshift == nil
+                  buf[line_end] = outshift[(line * 3)]
+                  buf[line_end+1] = outshift[(line * 3) + 1]
+                  buf[line_end+2] = outshift[(line * 3) + 2]
+                else
+                  buf[line_end] = inshift[(line * 3)]
+                  buf[line_end+1] = inshift[(line * 3) + 1]
+                  buf[line_end+2] = inshift[(line * 3) + 2]
+                end
+              else
+                var line_end = pos
+                pos = pos + sz + step
+                outshift[(line * 3)] = buf[pos]
+                outshift[(line * 3) + 1] = buf[pos+1]
+                outshift[(line * 3) + 2] = buf[pos+2]
+                while pos > line_end
+                  buf[pos] = buf[pos-3]
+                  buf[pos+1] = buf[pos-2]
+                  buf[pos+2] = buf[pos-1]
+                  pos += step
+                end
+                if inshift == nil
+                  buf[line_end] = outshift[(line * 3)]
+                  buf[line_end+1] = outshift[(line * 3) + 1]
+                  buf[line_end+2] = outshift[(line * 3) + 2]
+                else
+                  buf[line_end] = inshift[(line * 3)]
+                  buf[line_end+1] = inshift[(line * 3) + 1]
+                  buf[line_end+2] = inshift[(line * 3) + 2]
+                end
+              end
+              step *= -1
+              line += 1
+          end
+        end
+      end
     end
-
     return Leds_matrix(self, w, h, offset)
 
   end

lib/libesp32/berry_tasmota/src/solidify/solidified_i2c_axp192.h

@@ -11,7 +11,7 @@ static const bvalue be_ktab_class_AXP192[37] = {
   /* K3   */  be_const_int(2),
   /* K4   */  be_const_int(3),
   /* K5   */  be_nested_str(read24),
-  /* K6   */  be_const_real_hex(0x3A102DE0),
+  /* K6   */  be_const_real_hex(0x3A102DE1),
   /* K7   */  be_nested_str(read12),
   /* K8   */  be_const_real_hex(0x3A902DE0),
   /* K9   */  be_const_real_hex(0x3EC00000),

lib/libesp32/berry_tasmota/src/solidify/solidified_i2c_axp202.h

@@ -17,7 +17,7 @@ static const bvalue be_ktab_class_AXP202[24] = {
   /* K9   */  be_nested_str(read13),
   /* K10  */  be_const_real_hex(0x3F000000),
   /* K11  */  be_nested_str(read24),
-  /* K12  */  be_const_real_hex(0x3A102DE0),
+  /* K12  */  be_const_real_hex(0x3A102DE1),
   /* K13  */  be_const_real_hex(0x3AB78035),
   /* K14  */  be_const_real_hex(0x3ADED28A),
   /* K15  */  be_nested_str(write_bit),