lvgl updates and M5Stack Fire button support

lib/libesp32/berry_tasmota/src/be_display_lib.cpp

@@ -13,7 +13,7 @@
 extern int be_ntv_display_start(bvm *vm);
 extern int be_ntv_display_dimmer(bvm *vm);
 extern void be_ntv_display_touch_update(int32_t touches, int32_t raw_x, int32_t raw_y, int32_t gesture);
-            BE_FUNC_CTYPE_DECLARE(be_ntv_display_touch_update, "", "iiii[ii]")
+            BE_FUNC_CTYPE_DECLARE(be_ntv_display_touch_update, "", "iiii")
 
 /* @const_object_info_begin
 module display (scope: global) {

tasmota/berry/lvgl_examples/lv.be

@@ -93,7 +93,7 @@ tasmota.add_driver(ws)
 import lv_tasmota_info
 var info = lv_tasmota_info(scr)
 info.set_pos(0, stat_line.get_height())
-info.set_size(hres - 80, 30)
+info.set_size(hres - 80 + 1, 40)
 tasmota.add_driver(info)
 
 # logs

tasmota/berry/lvgl_examples/lv_3_touch_buttons.be

@@ -0,0 +1,86 @@
+# lv_touch_3_buttons
+#
+# Handles a simple case with 3 physical buttons below the screen, like in M5Stack
+#
+# LVGL must be already started to get the screen coordinates.
+# Touches are simulated as actual touch screen:
+#  x: is spread at coordinates: 1/6, 1/2, 5/6
+#  y: 10 pixels from botton
+
+class lv_touch_3_buttons
+  var gpios           # (array) physical GPIO numbers for each button, -1 in not assigned
+  var x_coords        # (array) x coordinates for each button
+  var y_coords        # (array) y coordinates for each button
+  var active_low      # (bool) true if button is active low
+  # prevous values
+  var touched, x, y   # previous values (bool, int, int) to be repeated when not touched
+
+  static ACTIVE_HIGH = false
+  static ACTIVE_LOW = true
+
+  # Arguments:
+  #   Physical GPIOs, generally through `gpio.pin(gpio.INPUT, 0), gpio.pin(gpio.INPUT, 1), gpio.pin(gpio.INPUT, 2)`
+  #
+  # Pre-condition:
+  #   LVGL must be already started
+  def init(btn1, btn2, btn3, active_low)
+    # set current values
+    self.x = 0
+    self.y = 0
+    self.touched = false
+    #
+    self.active_low = active_low
+    self.gpios = [-1, -1, -1]
+    # store only valid gpios
+    btn1 = int(btn1)
+    if btn1 >= 0    self.gpios[0] = btn1 end
+    btn2 = int(btn2)
+    if btn2 >= 0    self.gpios[1] = btn2 end
+    btn3 = int(btn3)
+    if btn3 >= 0    self.gpios[2] = btn3 end
+
+    # compute coordinates
+    var hres = lv.get_hor_res()
+    var vres = lv.get_ver_res()       # should be 240
+    self.x_coords = [ hres / 6, hres / 2, hres * 5 / 6]
+    self.y_coords = [ vres - 10, vres - 10, vres - 10]
+  end
+
+  # scan every 50ms
+  def every_50ms()
+    import display
+
+    var i = 0
+    var x, y
+    var touched = false           # is there any button pressed
+    while i < size(self.gpios)
+      var gp = self.gpios[i]
+      if gp >= 0                  # skip invalid gpio
+        var in = bool(gpio.digital_read(gp))
+        in = self.active_low ? !in : in     # invert if active low
+        if in && !touched                       # first button touched
+          x = self.x_coords[i]
+          y = self.y_coords[i]
+        end
+        touched = touched || in
+      end
+      i += 1
+    end
+
+    # if touched, change x/y
+    if touched
+      self.x = x
+      self.y = y
+    end
+    self.touched = touched
+    # return values
+    display.touch_update(self.touched ? 1 : 0, self.x, self.y, 0)
+  end
+end
+
+return lv_touch_3_buttons
+
+#-
+lv_btn3 = lv_touch_3_buttons(gpio.pin(gpio.INPUT, 0), gpio.pin(gpio.INPUT, 1), gpio.pin(gpio.INPUT, 2), lv_touch_3_buttons.ACTIVE_LOW)
+tasmota.add_driver(lv_btn3)
+-#

tasmota/berry/lvgl_examples/lv_tasmota_info.be

@@ -9,19 +9,17 @@ class lv_tasmota_info : lv.label
     self.set_width(parent.get_width())
     self.set_pos(0, 0)
 
-    # self.set_style_bg_color(lv.color(0x000000), lv.PART_MAIN | lv.STATE_DEFAULT)
-    self.set_style_bg_opa(0, lv.PART_MAIN | lv.STATE_DEFAULT)
+    self.set_style_bg_color(lv.color(0x000000), lv.PART_MAIN | lv.STATE_DEFAULT)
+    self.set_style_bg_opa(100, lv.PART_MAIN | lv.STATE_DEFAULT)
     self.move_background()
-    # self.set_style_border_opa(255, lv.PART_MAIN | lv.STATE_DEFAULT)
+    self.set_style_border_opa(255, lv.PART_MAIN | lv.STATE_DEFAULT)
     self.set_style_radius(0, lv.PART_MAIN | lv.STATE_DEFAULT)
     self.set_style_pad_all(2, lv.PART_MAIN | lv.STATE_DEFAULT)
-    # self.set_style_border_color(lv.color(0x0099EE), lv.PART_MAIN | lv.STATE_DEFAULT)
-    self.set_style_border_width(0, lv.PART_MAIN | lv.STATE_DEFAULT)
+    self.set_style_border_color(lv.color(0x0099EE), lv.PART_MAIN | lv.STATE_DEFAULT)
+    self.set_style_border_width(1, lv.PART_MAIN | lv.STATE_DEFAULT)
 
     self.set_style_text_color(lv.color(0xFFFFFF), lv.PART_MAIN | lv.STATE_DEFAULT)
     self.set_long_mode(lv.LABEL_LONG_CLIP)
-    # var roboto12 = lv.font_robotocondensed_latin1(12)
-    # self.set_style_text_font(roboto12, lv.PART_MAIN | lv.STATE_DEFAULT)
     var lg_font = lv.font_montserrat(14)
     self.set_style_text_font(lg_font, lv.PART_MAIN | lv.STATE_DEFAULT)