Initial commit
This commit is contained in:
rmgr
commit
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#import lvgl as lv
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#lv.init()
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#from ili9XXX import ili9341
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#disp = ili9341(dc=21, miso=19, mosi=23, cs=5, clk=18)
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# Import XPT2046 driver and initalize it
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#from xpt2046 import xpt2046
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#touch = xpt2046(cs=27, cal_x0=242, cal_x1=3300)
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class NoteList():
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class NoteEditor():
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def __init__(self, note=''):
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# Create a keyboard to use it with one of the text areas
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kb = lv.keyboard(lv.scr_act())
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print('creating keyboard')
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# Create a text area. The keyboard will write here
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ta = lv.textarea(lv.scr_act())
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ta.set_width(200)
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ta.align(lv.ALIGN.TOP_LEFT,0, 0)
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ta.add_event_cb(lambda e: self.ta_event_cb(e,kb), lv.EVENT.ALL, None)
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if note != '':
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ta.set_text(open("/sd/appdata/notes/" + note).read())
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# launcher.destroy()
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kb.set_textarea(ta)#
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lv.scr_load(lv.scr_act())
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def ta_event_cb(self, e, kb):
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code = e.get_code()
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ta = e.get_target()
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if code == lv.EVENT.FOCUSED:
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kb.set_textarea(ta)
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kb.clear_flag(lv.obj.FLAG.HIDDEN)
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if code == lv.EVENT.DEFOCUSED:
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kb.set_textarea(None)
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kb.add_flag(lv.obj.FLAG.HIDDEN)
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def __init__(self):
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self.objects = []
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prev_btn_x = 0
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prev_btn_y = 0
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notelist = os.listdir("/sd/appdata/notes")
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# Iterate over /sd/appdata/notes
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for note in notelist:
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btn = lv.btn(lv.scr_act())
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btn.align_to(lv.scr_act(), lv.ALIGN.TOP_LEFT, 0, prev_btn_y)
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btn.add_event_cb(self.note_click, lv.EVENT.CLICKED, None)
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prev_btn_y += 40
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label = lv.label(btn)
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label.set_text(note)
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self.objects.append(btn)
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# launcher.destroy()
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# foreach item, add button to screen with width = screen_width and background = white
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# onclick button open editor and load note
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def destroy(self):
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for obj in self.objects:
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obj.delete()
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def note_click(self, e):
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btn = e.get_target()
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label = btn.get_child(0)
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print("/sd/appdata/notes/" + label.get_text())
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n = self.NoteEditor(note=label.get_text())
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self.destroy()
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n = NoteList()
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#import lvgl as lv
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#lv.init()
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#from ili9XXX import ili9341
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#disp = ili9341(dc=21, miso=19, mosi=23, cs=5, clk=18)
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# Import XPT2046 driver and initalize it
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#from xpt2046 import xpt2046
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#touch = xpt2046(cs=27, cal_x0=242, cal_x1=3300)
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def ta_event_cb(e,kb):
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code = e.get_code()
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ta = e.get_target()
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if code == lv.EVENT.FOCUSED:
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kb.set_textarea(ta)
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kb.clear_flag(lv.obj.FLAG.HIDDEN)
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if code == lv.EVENT.DEFOCUSED:
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kb.set_textarea(None)
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kb.add_flag(lv.obj.FLAG.HIDDEN)
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# Create a keyboard to use it with one of the text areas
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kb = lv.keyboard(lv.scr_act())
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print('creating keyboard')
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# Create a text area. The keyboard will write here
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ta = lv.textarea(lv.scr_act())
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ta.set_width(200)
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ta.align(lv.ALIGN.TOP_RIGHT, -10, 10)
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ta.add_event_cb(lambda e: ta_event_cb(e,kb), lv.EVENT.ALL, None)
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kb.set_textarea(ta)#
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lv.scr_load(lv.scr_act())
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# This file is executed on every boot (including wake-boot from deepsleep)
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#import esp
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#esp.osdebug(None)
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#import webrepl
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#webrepl.start()
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# DIY PDA Specs
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## Hardware
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* ESP-WROOM-32 dev board
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* Generic Arduino-Compatible SD card slot
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* ILI9341 3.2" touchscreen LCD
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## Software
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* LVGL's Micropython fork https://github.com/lvgl/lv_micropython
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## Architecture
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It is assumed that all software is stored on the sd card under /sd/apps. All user/app data is stored in /sd/appdata/[appname].
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Applications are executed by reading the file and feeding it to Python's exec function. All screens should be defined as a class and implement a destroy() function which clears the screen. (The easiest way to do so is to create an array of LVGL objects in __init__() and then just iterate over that object calling obj.delete() for each. Each __init__ function should take a parameter called caller which references the previous screen for disposal.
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Time is kept using the ESP32's on-board RTC. I may look at utilising a dedicated RTC module at some stage but for now the ESP32 will do. Power-wise I intend to use something along the lines of an Adafruit Powerboost 1000c LiPo circuit to handle charging and powering and what-have-you.
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At the moment the project exists on a breadboard and it ain't pretty. I think if I do some aggressive wiring, I should be able to condense everything down to the footprint of the screen which should make for a nice enough PDA footprint. Then I'll need to design and 3D print a shell for it. (Which I have never done so that should be interesting)
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import time
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def see():
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print("good")
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time.sleep(65)
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def ya():
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print("bye")
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see()
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ya()
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import lvgl as lv
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import espidf as esp
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import os,machine,sdcard
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lv.init()
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# Import ILI9341 driver and initialized it
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#import os,machine
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#rtc = machine.RTC()
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#rtc.datetime((2021, 8, 23, 1, 12, 48, 0, 0))
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#os.mount(machine.SDCard(),"/sd")
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#apps = ""
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#applist = os.listdir("/sd/apps")
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from ili9XXX import ili9341
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disp = ili9341(dc=21, miso=19, mosi=23, cs=5, clk=18)
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# Import XPT2046 driver and initalize it
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from xpt2046 import xpt2046
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touch = xpt2046(cs=27, cal_x0=242, cal_x1=3300, cal_y0=3850, cal_y1=423)
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# Load the screen
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sd = sdcard.SDCard(machine.SoftSPI(sck=machine.Pin(13),miso=machine.Pin(14),mosi=machine.Pin(15)), machine.Pin(25))
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os.mount(sd,'/sd')
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class Launcher():
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def __init__(self):
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self.objects = []
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apps = ""
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applist = os.listdir("/sd/apps")
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print(applist[0]);
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prev_btn_y = 0
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scr = lv.scr_act()
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for app in applist:
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btn = lv.btn(lv.scr_act())
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btn.align_to(lv.scr_act(), lv.ALIGN.TOP_LEFT, 0, prev_btn_y)
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btn.add_event_cb(self.event_cb, lv.EVENT.CLICKED, None)
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prev_btn_y += 40
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label = lv.label(btn)
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label.set_text(app)
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self.objects.append(btn)
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def event_cb(self, e):
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self.btn = e.get_target()
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label = self.btn.get_child(0)
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print(label.get_text())
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# exec('print("ashf")',{}, {'lv':lv})
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exec(open("/sd/apps/"+ label.get_text()).read(), {'lv':lv, 'launcher': self, 'os':os, }, {})
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def destroy(self):
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print("destroying launcher")
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for obj in self.objects:
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obj.delete()
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launcher = Launcher()
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#lv.scr_load(scr)
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import os,machine,sdcard
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rtc = machine.RTC()
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rtc.datetime((2021, 8, 23, 1, 12, 48, 0, 0))
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#pin12= machine.Pin(12)
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#pin12.value(1)
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pins = [27,14,12,13]
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for pin in pins:
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machine.Pin(pin).init(-1, machine.Pin.PULL_UP)
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#os.mount(machine.SDCard(slot=3,sck=13, miso=14, mosi=15, cs=25),"/sd")
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sd = sdcard.SDCard(machine.SoftSPI(sck=machine.Pin(13),miso=machine.Pin(14),mosi=machine.Pin(15)), machine.Pin(25))
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os.mount(sd,'/sd')
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apps = ""
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applist = os.listdir("/sd")
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print(applist)
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#
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#for i in range(0, len(applist)):
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# apps += str(i) + " - " + applist[i] + "\n"
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#apps = apps[0:len(apps)-1]
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#print(rtc.datetime())
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#choice = input('Select an app to execute\n' + apps + "\n")
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#exec(open("/sd/apps/" + applist[int(choice)]).read())
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#print(rtc.datetime())
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