mirror of https://github.com/arendst/Tasmota.git
102 lines
4.1 KiB
Python
102 lines
4.1 KiB
Python
#- start LVGL and init environment -#
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lv.start()
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hres = lv.get_hor_res() # should be 240
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vres = lv.get_ver_res() # should be 320
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scr = lv.scr_act() # default screean object
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f20 = lv.montserrat_font(20) # load embedded Montserrat 20
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f28 = lv.montserrat_font(28) # load embedded Montserrat 28
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#- Backgroun -#
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scr.set_style_bg_color(lv.color(0x000066), lv.PART_MAIN | lv.STATE_DEFAULT)
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#- Upper state line -#
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stat_line = lv.label(scr)
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if f20 != nil stat_line.set_style_text_font(f20, lv.PART_MAIN | lv.STATE_DEFAULT) end
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stat_line.set_long_mode(lv.LABEL_LONG_SCROLL) # auto scrolling if text does not fit
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stat_line.set_width(hres)
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stat_line.set_align(lv.TEXT_ALIGN_LEFT) # align text left
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stat_line.set_style_bg_color(lv.color(0xD00000), lv.PART_MAIN | lv.STATE_DEFAULT) # background #000088
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stat_line.set_style_bg_opa(lv.OPA_COVER, lv.PART_MAIN | lv.STATE_DEFAULT) # 100% background opacity
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stat_line.set_style_text_color(lv.color(0xFFFFFF), lv.PART_MAIN | lv.STATE_DEFAULT) # text color #FFFFFF
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stat_line.set_text("Tasmota")
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stat_line.refr_size() # new in LVGL8
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stat_line.refr_pos() # new in LVGL8
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#- display wifi strength indicator icon (for professionals ;) -#
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wifi_icon = lv_wifi_arcs_icon(stat_line) # the widget takes care of positioning and driver stuff
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clock_icon = lv_clock_icon(stat_line)
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#- create a style for the buttons -#
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btn_style = lv.style()
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btn_style.set_radius(10) # radius of rounded corners
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btn_style.set_bg_opa(lv.OPA_COVER) # 100% backgrond opacity
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if f28 != nil btn_style.set_text_font(f28) end # set font to Montserrat 28
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btn_style.set_text_color(lv.color(0x000000)) # text color black when not checked
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#- register buttons -#
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var btns = [] # relay buttons are added to this list to match with Tasmota relays
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#- callback function when a button is pressed -#
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#- checks if the button is in the list, and react to EVENT_VALUE_CHANGED event -#
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def btn_clicked_cb(obj, event)
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var btn_idx = btns.find(obj)
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if btn_idx != nil
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var checked = (obj.get_state() & lv.STATE_CHECKED) != 0
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tasmota.set_power(btn_idx, checked) # toggle the value
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end
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end
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#- create a button object, set style, register callback and add to global list -#
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#- you still need to re-position the button -#
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def create_btn_relay(label)
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var btn, btn_label
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btn = lv.btn(scr)
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btn.set_pos(30, 30)
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btn.set_size(hres - 60, 60)
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btn.add_style(btn_style, lv.PART_MAIN | lv.STATE_DEFAULT) # style of button
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btn.add_flag(lv.OBJ_FLAG_CHECKABLE) # enable toggle mode
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btn_label = lv.label(btn)
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btn_label.center()
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btn_label.set_text(label)
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btn.add_event_cb(btn_clicked_cb, lv.EVENT_CLICKED, 0) # set callback to update Tasmota relays
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btns.push(btn) # append button to the list
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return btn
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end
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#- create 3 buttons -#
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var btn1 = create_btn_relay("Relay 1")
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btn1.set_y(30)
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var btn2 = create_btn_relay("Relay 2")
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btn2.set_y(100)
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var btn3 = create_btn_relay("Relay 3")
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btn3.set_y(170)
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#- update the buttons values according to internal relays status -#
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def btns_update()
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var power_list = tasmota.get_power() # get a list of booleans with status of each relay
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for b:btns
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var checked = (b.get_state() & lv.STATE_CHECKED) != 0
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var power_state = (size(power_list) > 0) ? power_list.pop(0) : false # avoid exception if less relays than buttons
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if power_state && !checked
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b.add_state(lv.STATE_CHECKED)
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elif !power_state && checked
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b.clear_state(lv.STATE_CHECKED)
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end
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end
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end
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#- update every 500ms -#
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def btns_update_loop()
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btns_update()
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tasmota.set_timer(500, btns_update_loop)
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end
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btns_update_loop() # start
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# If you change the style after creating the button, you need to update objects:
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def btns_refresh_style()
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for b:btns b.refresh_style(lv.OBJ_PART_MAIN, lv.STYLE_PROP_ALL) end
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end
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