Add M5Stack Basic Eth

raw/esp32/M5Stack_Basic_ETH/autoexec.be

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+# import virtual Touch Screen with 3 buttons
+import lv_touch_3_buttons
+

raw/esp32/M5Stack_Basic_ETH/display.ini

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+:H,ILI9341,320,240,16,SPI,1,*,*,*,*,*,*,*,40
+:B,30,1
+:I
+EF,3,03,80,02
+CF,3,00,C1,30
+ED,4,64,03,12,81
+E8,3,85,00,78
+CB,5,39,2C,00,34,02
+F7,1,20
+EA,2,00,00
+C0,1,23
+C1,1,10
+C5,2,3e,28
+C7,1,86
+36,1,48
+37,1,00
+3A,1,55
+B1,2,00,18
+B6,3,08,82,27
+F2,1,00
+26,1,01
+E0,0F,0F,31,2B,0C,0E,08,4E,F1,37,07,10,03,0E,09,00
+E1,0F,00,0E,14,03,11,07,31,C1,48,08,0F,0C,31,36,0F
+11,80
+29,80
+:o,28
+:O,29
+:A,2A,2B,2C
+:R,36
+:0,08,00,00,00
+:1,68,00,00,01
+:2,C8,00,00,02
+:3,A8,00,00,03
+#

raw/esp32/M5Stack_Basic_ETH/init.bat

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+Template {"NAME":"M5stack Basic Eth","GPIO":[6210,1,1,1,6720,1,1,1,1,5536,768,1,1,1,736,672,0,640,608,704,0,3872,5568,800,0,0,0,0,992,1024,5600,0,0,7650,7649,7648],"FLAG":0,"BASE":1}
+Module 0
+EthType 8
+

raw/esp32/M5Stack_Basic_ETH/lv_touch_3_buttons.be

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+# 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.GPIO_INPUT, 0), gpio.pin(gpio.GPIO_INPUT, 1), gpio.pin(gpio.GPIO_INPUT, 2)`
+  #
+  # Pre-condition:
+  #   LVGL must be already started
+  def init(btn1, btn2, btn3, active_low)
+    import global
+    if !global.contains("lv") return end    # abort if LVGL is not there
+    lv.start()    # make sure LVGL is started, or things can go really wrong
+
+    # 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]
+
+    # add self to drivers
+    tasmota.add_driver(self)
+  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(gpio.pin(gpio.GPIO_INPUT, 0), gpio.pin(gpio.GPIO_INPUT, 1), gpio.pin(gpio.GPIO_INPUT, 2), true)
+
+#-
+lv_btn3 = lv_touch_3_buttons(gpio.pin(gpio.GPIO_INPUT, 0), gpio.pin(gpio.GPIO_INPUT, 1), gpio.pin(gpio.GPIO_INPUT, 2), lv_touch_3_buttons.ACTIVE_LOW)
+tasmota.add_driver(lv_btn3)
+-#