3.2" 320x240 IPS LCD (ILI9341 SPI) with Cap. Touch (FT6336) and Micro SD Slot on ESP32-S3/CircuitPython 9.0.3
Exercise to work with
3.2" 320x240 IPS LCD (ILI9341 SPI) with Cap. Touch (FT6336) and Micro SD
Slot, on
Espressif ESP32-S3-DevKitC-1
running CircuitPython 9.0.3.
Connection:
ESP32-S3-DevKitC-1
+---USB-----USB---+
|GND GND |
|GND 5V0 |
|GPIO19 GPIO14|
|GPIO20 GPIO13|
|GPIO21 GPIO12|
|GPIO47 GPIO11|
|GPIO48 GPIO10|
|GPIO45 GPIO9 |
|GPIO0 GPIO46|
|GPIO35 GPIO3 |
|GPIO36 GPIO8 |
|GPIO37 GPIO18|
|GPIO38 GPIO17| LCD_CS
|GPIO39 GPIO16| LCD_RST
|GPIO40 GPIO15| LCD_RS
|GPIO41 GPIO7 | SDI (MOSI)
CTP_SCL |GPIO42 GPIO6 | SCK
CTP_RST |GPIO2 GPIO5 | LED
CTP_SDA |GPIO1 GPIO4 | SDO (MISO)
CTP_INT |GPIO44 RST |
SD_CS |GPIO43 3V3 |
GND |GND 3V3 | 3V3
+-----------------+
ILI9341 Module
1 VCC 3V3
2 GND GND
3 LCD_CS GPIO17
4 LCD_RST GPIO16
5 LCD_RS GPIO15
6 SDI(MOSI) GPIO7
7 SCK GPIO6
8 LED GPIO5
9 SDO(MISO) GPIO4
10 CTP_SCL GPIO42
11 CTP_RST GPIO2
12 CTP_SDA GPIO1
13 CTP_INT GPIO44
14 SD_CS GPIO43
Exercise Code:
cpyS3_ili9341_color.py
"""
CircuitPython exercise run on ESP32-S3,
to display on IPS with ILI9341 SPI driver
and capacitive touch FT6336U.
Color and display area test
---------------------------
Display Module:
3.2 inch IPS SPI Module ILI9341 with cap. touch FT6336U
Test on:
dev. board: Espressif ESP32-S3-DevKitC-1
CircuitPython: 9.0.3
Libraries needed:
- adafruit_ili9341.mpy
- adafruit_display_text folder
* No invert option for adafruit_ili9341 driver.
To invert color, send command of 0x21.
Follow Adafruit_ILI9341 library (Arduino framework), invertDisplay() function
https://github.com/adafruit/Adafruit_ILI9341/blob/master/Adafruit_ILI9341.cpp
"""
import os, sys
import board
import busio
import terminalio
import displayio
import fourwire
from adafruit_display_text import label
import adafruit_ili9341
import time
ILI9341_INVOFF = 0x20 #Display Inversion OFF
ILI9341_INVON = 0x21 #Display Inversion ON
# Release any resources currently in use for the displays
displayio.release_displays()
#===init display ======================
#Connection to ILI9341/SD
DISP_CS = board.IO17
DISP_RES = board.IO16
DISP_DC = board.IO15
SPI_MOSI = board.IO7
SPI_SCL = board.IO6
DISP_BL = board.IO5
SPI_MISO = board.IO4
SD_CS = board.IO43
spi = busio.SPI(clock=SPI_SCL,
MOSI=SPI_MOSI,
MISO=SPI_MISO)
#On CircuitPython 9 FourWire moved from displayio to fourwire
display_bus = fourwire.FourWire(spi, command=DISP_DC, chip_select=DISP_CS, reset=DISP_RES)
#--- Setup display ---
# for 3.2" 320x240 SPI ILI9341 TFT
disp_width = 320
disp_height = 240
display = adafruit_ili9341.ILI9341(display_bus,
width=disp_width,
height=disp_height,
backlight_pin=DISP_BL,
)
display_bus.send(int(ILI9341_INVON), "") #invert color
sysinfo = sys.implementation[0] + " " + os.uname()[3] + "\nrun on " + os.uname()[4]
drv_info = adafruit_ili9341.__name__ + " " + adafruit_ili9341.__version__
print("=============================================")
print("coXXect.blogspot.com")
print("---------------------------------------------")
print(sys.implementation[0], os.uname()[3],
"\nrun on", os.uname()[4])
print("=============================================")
print(drv_info)
time.sleep(1)
# Make the display context
bgGroup = displayio.Group()
display.root_group = bgGroup
bg_bitmap = displayio.Bitmap(display.width, display.height, 1) # with one color
bg_palette = displayio.Palette(1)
bg_palette[0] = 0xFFFFFF # White
bg_sprite = displayio.TileGrid(bg_bitmap, pixel_shader=bg_palette, x=0, y=0)
bgGroup.append(bg_sprite)
colorSet = ((0xFF0000, "RED"),
(0x00FF00, "GREEN"),
(0x0000FF, "BLUE"),
(0xFFFFFF, "WHITE"),
(0x000000, "BLACK"))
border = 1
color_bitmap = displayio.Bitmap(display.width-border*2, display.height-border*2, 1) # with one color
color_palette = displayio.Palette(1)
color_palette[0] = 0x000000 # BLACK
color_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=border, y=border)
bgGroup.append(color_sprite)
# Draw label
text_group = displayio.Group(scale=2, x=10, y=120)
text = "coXXect.blogspot.com"
text_area = label.Label(terminalio.FONT, text=text, color=0xFFFFFF)
text_group.append(text_area) # Subgroup for text scaling
bgGroup.append(text_group)
info_group = displayio.Group(scale=1, x=10, y=200)
info_label = label.Label(terminalio.FONT,
text=sysinfo + "\n" + drv_info,
color=0xFFFFFF)
info_group.append(info_label) # Subgroup for text scaling
bgGroup.append(info_group)
time.sleep(2)
text_area.text = "coXXect"
text_area.color = 0xFFFF00 #yellow
text_group.scale = 5
def brightness_dec():
for b in range(256):
time.sleep(0.02)
display.brightness=(255-b)/255
def brightness_inc():
for b in range(256):
time.sleep(0.02)
display.brightness=b/255
for i in colorSet:
brightness_dec()
time.sleep(2)
color_palette[0] = i[0]
text_area.text = i[1]
text_area.color = i[0] ^ 0xFFFFFF
brightness_inc()
brightness_dec()
text_area.text = "coxxect.blogspot.com/"
text_group.scale = 2
brightness_inc()
print("~ bye ~")
cpyS3_ili9341_FT6336.py
"""
CircuitPython exercise run on ESP32-S3,
to display on IPS with ILI9341 SPI driver
and capacitive touch FT6336U.
Touch test
Display cursor following touch point
and adjust screen brightness according to touched horizontal position.
---------------------------
Display Module:
3.2 inch IPS SPI Module ILI9341 with cap. touch FT6336U
Test on:
dev. board: Espressif ESP32-S3-DevKitC-1
CircuitPython: 9.0.3
Libraries needed:
- adafruit_ili9341.mpy
- adafruit_display_text folder
- adafruit_focaltouch.mpy
- adafruit_cursorcontrol folder
* No invert option for adafruit_ili9341 driver.
To invert color, send command of 0x21.
* with rotation=0, have to adjust touch x/y to project on screen.
"""
import os, sys
import board
import busio
import terminalio
import displayio
import fourwire
from adafruit_display_text import label
import adafruit_ili9341
import time
from digitalio import DigitalInOut, Direction
import adafruit_focaltouch
import adafruit_cursorcontrol.cursorcontrol
# Release any resources currently in use for the displays
displayio.release_displays()
#===init display ======================
#Connection to ILI9341/SD
DISP_CS = board.IO17
DISP_RES = board.IO16
DISP_DC = board.IO15
SPI_MOSI = board.IO7
SPI_SCL = board.IO6
DISP_BL = board.IO5
SPI_MISO = board.IO4
SD_CS = board.IO43
#Connection to FT6336U
TOUCH_SCL = board.IO42
TOUCH_SDA = board.IO1
TOUCH_INT = board.IO44
TOUCH_RST = board.IO2
touch_irq = DigitalInOut(TOUCH_INT)
touch_irq.direction = Direction.INPUT
touch_res = DigitalInOut(TOUCH_RST)
touch_res.direction = Direction.OUTPUT
touch_res.value = True
time.sleep(0.1)
touch_res.value = False
time.sleep(0.1)
touch_res.value = True
time.sleep(0.5)
spi = busio.SPI(clock=SPI_SCL,
MOSI=SPI_MOSI,
MISO=SPI_MISO)
#On CircuitPython 9 FourWire moved from displayio to fourwire
display_bus = fourwire.FourWire(spi, command=DISP_DC, chip_select=DISP_CS, reset=DISP_RES)
touch_i2c = busio.I2C(TOUCH_SCL, TOUCH_SDA)
ft = adafruit_focaltouch.Adafruit_FocalTouch(touch_i2c, debug=False, irq_pin=touch_irq)
#--- Setup display ---
# for 3.2" 320x240 SPI ILI9341 TFT
disp_width = 320
disp_height = 240
display = adafruit_ili9341.ILI9341(display_bus,
width=disp_width,
height=disp_height,
backlight_pin=DISP_BL,
)
display_bus.send(int(0x21), "") #invert color
sysinfo = sys.implementation[0] + " " + os.uname()[3] + "\nrun on " + os.uname()[4]
drv_info = adafruit_ili9341.__name__ + " " + adafruit_ili9341.__version__ + "\n" + \
adafruit_focaltouch.__name__ + " " + adafruit_focaltouch.__version__ + "\n" + \
adafruit_cursorcontrol.__name__ + " " + adafruit_cursorcontrol.__version__
print("=============================================")
print("coXXect.blogspot.com")
print("---------------------------------------------")
print(sys.implementation[0], os.uname()[3],
"\nrun on", os.uname()[4])
print("=============================================")
print(drv_info)
time.sleep(1)
# Make the display context
bgGroup = displayio.Group()
display.root_group = bgGroup
bg_bitmap = displayio.Bitmap(display.width, display.height, 1) # with one color
bg_palette = displayio.Palette(1)
bg_palette[0] = 0xFFFFFF # White
bg_sprite = displayio.TileGrid(bg_bitmap, pixel_shader=bg_palette, x=0, y=0)
bgGroup.append(bg_sprite)
border = 1
color_bitmap = displayio.Bitmap(display.width-border*2, display.height-border*2, 1) # with one color
color_palette = displayio.Palette(1)
color_palette[0] = 0x000000 # BLACK
color_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=border, y=border)
bgGroup.append(color_sprite)
# Draw label
text_group = displayio.Group(scale=2, x=10, y=120)
text = "coXXect.blogspot.com"
text_area = label.Label(terminalio.FONT, text=text, color=0xFF0000)
text_group.append(text_area) # Subgroup for text scaling
bgGroup.append(text_group)
# Draw labels to display touch x/y
x_group = displayio.Group(scale=2, x=10, y=20)
x_text = "---"
x_area = label.Label(terminalio.FONT, text=x_text, color=0xFFFFFF)
x_group.append(x_area)
bgGroup.append(x_group)
y_group = displayio.Group(scale=2, x=10, y=40)
y_text = "---"
y_area = label.Label(terminalio.FONT, text=y_text, color=0xFFFFFF)
y_group.append(y_area)
bgGroup.append(y_group)
info_group = displayio.Group(scale=1, x=10, y=160)
info_label = label.Label(terminalio.FONT,
text=sysinfo + "\n" + drv_info,
color=0xFFFF00)
info_group.append(info_label) # Subgroup for text scaling
bgGroup.append(info_group)
# initialize the mouse cursor object
# place over all others
mouse_cursor = adafruit_cursorcontrol.cursorcontrol.Cursor(
display, display_group=bgGroup)
mouse_cursor.x = int(display.width/2)
mouse_cursor.y = int(display.height/2)
while True:
# if the screen is being touched print the touches
if ft.touched:
touches = ft.touches
#sometimes ft.touches is [], empty!
#so I check len to prevent IndexError: index out of range
if len(touches)>0:
#print(touches)
x = touches[0]['x']
y = touches[0]['y']
#with rotation=0, have to adjust touch x/y to project on screen.
mouse_cursor.x = y
mouse_cursor.y = display.height-x
x_area.text = str(x)
y_area.text = str(y)
#change screen brightness according to touch horizontal position
display.brightness = y/display.width
else:
print('no touch')
time.sleep(.3)
print("~ bye ~")
cpyS3_ili9341_FT6336_270.py
"""
CircuitPython exercise run on ESP32-S3,
to display on IPS with ILI9341 SPI driver
and capacitive touch FT6336U.
Touch test
Display cursor following touch point
and adjust screen brightness according to touched horizontal position.
---------------------------
Display Module:
3.2 inch IPS SPI Module ILI9341 with cap. touch FT6336U
Test on:
dev. board: Espressif ESP32-S3-DevKitC-1
CircuitPython: 9.0.3
Libraries needed:
- adafruit_ili9341.mpy
- adafruit_display_text folder
- adafruit_focaltouch.mpy
- adafruit_cursorcontrol folder
* No invert option for adafruit_ili9341 driver.
To invert color, send command of 0x21.
* with rotation=270, touch x/y no adjustment needed.
"""
import os, sys
import board
import busio
import terminalio
import displayio
import fourwire
from adafruit_display_text import label
import adafruit_ili9341
import time
from digitalio import DigitalInOut, Direction
import adafruit_focaltouch
import adafruit_cursorcontrol.cursorcontrol
# Release any resources currently in use for the displays
displayio.release_displays()
#===init display ======================
#Connection to ILI9341/SD
DISP_CS = board.IO17
DISP_RES = board.IO16
DISP_DC = board.IO15
SPI_MOSI = board.IO7
SPI_SCL = board.IO6
DISP_BL = board.IO5
SPI_MISO = board.IO4
SD_CS = board.IO43
#Connection to FT6336U
TOUCH_SCL = board.IO42
TOUCH_SDA = board.IO1
TOUCH_INT = board.IO44
TOUCH_RST = board.IO2
touch_irq = DigitalInOut(TOUCH_INT)
touch_irq.direction = Direction.INPUT
touch_res = DigitalInOut(TOUCH_RST)
touch_res.direction = Direction.OUTPUT
touch_res.value = True
time.sleep(0.1)
touch_res.value = False
time.sleep(0.1)
touch_res.value = True
time.sleep(0.5)
spi = busio.SPI(clock=SPI_SCL,
MOSI=SPI_MOSI,
MISO=SPI_MISO)
#On CircuitPython 9 FourWire moved from displayio to fourwire
display_bus = fourwire.FourWire(spi, command=DISP_DC, chip_select=DISP_CS, reset=DISP_RES)
touch_i2c = busio.I2C(TOUCH_SCL, TOUCH_SDA)
ft = adafruit_focaltouch.Adafruit_FocalTouch(touch_i2c, debug=False, irq_pin=touch_irq)
#--- Setup display ---
# for 3.2" 320x240 SPI ILI9341 TFT
disp_width = 240
disp_height = 320
display = adafruit_ili9341.ILI9341(display_bus,
width=disp_width,
height=disp_height,
backlight_pin=DISP_BL,
rotation=270
)
display_bus.send(int(0x21), "") #invert color
sysinfo = sys.implementation[0] + " " + os.uname()[3] + "\nrun on " + os.uname()[4]
drv_info = adafruit_ili9341.__name__ + " " + adafruit_ili9341.__version__ + "\n" + \
adafruit_focaltouch.__name__ + " " + adafruit_focaltouch.__version__ + "\n" + \
adafruit_cursorcontrol.__name__ + " " + adafruit_cursorcontrol.__version__
print("=============================================")
print("coXXect.blogspot.com")
print("---------------------------------------------")
print(sys.implementation[0], os.uname()[3],
"\nrun on", os.uname()[4])
print("=============================================")
print(drv_info)
time.sleep(1)
# Make the display context
bgGroup = displayio.Group()
display.root_group = bgGroup
bg_bitmap = displayio.Bitmap(display.width, display.height, 1) # with one color
bg_palette = displayio.Palette(1)
bg_palette[0] = 0xFFFFFF # White
bg_sprite = displayio.TileGrid(bg_bitmap, pixel_shader=bg_palette, x=0, y=0)
bgGroup.append(bg_sprite)
border = 1
color_bitmap = displayio.Bitmap(display.width-border*2, display.height-border*2, 1) # with one color
color_palette = displayio.Palette(1)
color_palette[0] = 0x000000 # BLACK
color_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=border, y=border)
bgGroup.append(color_sprite)
# Draw label
text_group = displayio.Group(scale=2, x=10, y=120)
text = "coXXect.blogspot.com"
text_area = label.Label(terminalio.FONT, text=text, color=0xFF0000)
text_group.append(text_area) # Subgroup for text scaling
bgGroup.append(text_group)
# Draw labels to display touch x/y
x_group = displayio.Group(scale=2, x=10, y=20)
x_text = "---"
x_area = label.Label(terminalio.FONT, text=x_text, color=0xFFFFFF)
x_group.append(x_area)
bgGroup.append(x_group)
y_group = displayio.Group(scale=2, x=10, y=40)
y_text = "---"
y_area = label.Label(terminalio.FONT, text=y_text, color=0xFFFFFF)
y_group.append(y_area)
bgGroup.append(y_group)
info_group = displayio.Group(scale=1, x=10, y=180)
info_label = label.Label(terminalio.FONT,
text=sysinfo + "\n" + drv_info,
color=0xFFFF00)
info_group.append(info_label) # Subgroup for text scaling
bgGroup.append(info_group)
# initialize the mouse cursor object
# place over all others
mouse_cursor = adafruit_cursorcontrol.cursorcontrol.Cursor(
display, display_group=bgGroup)
mouse_cursor.x = int(display.width/2)
mouse_cursor.y = int(display.height/2)
while True:
# if the screen is being touched print the touches
if ft.touched:
touches = ft.touches
#sometimes ft.touches is [], empty!
#so I check len to prevent IndexError: index out of range
if len(touches)>0:
#print(touches)
x = touches[0]['x']
y = touches[0]['y']
#with rotation=270, touch x/y no adjustment needed.
mouse_cursor.x = x
mouse_cursor.y = y
x_area.text = str(x)
y_area.text = str(y)
#change screen brightness according to touch vertical position
display.brightness = y/display.height
else:
print('no touch')
time.sleep(.3)
print("~ bye ~")
cpyS3_ili9341_SDbmp.py
"""
CircuitPython exercise run on ESP32-S3,
to display on IPS with ILI9341 SPI driver
and capacitive touch FT6336U.
adafruit_imageload exercise:
load bmp from SD card and display on ILI9341
ref: https://docs.circuitpython.org/projects/imageload/
https://github.com/adafruit/Adafruit_CircuitPython_ImageLoad
---------------------------
Display Module:
3.2 inch IPS SPI Module ILI9341 with cap. touch FT6336U
Test on:
dev. board: Espressif ESP32-S3-DevKitC-1
CircuitPython: 9.0.3
Libraries needed:
- adafruit_ili9341.mpy
- import adafruit_imageload folder
* No invert option for adafruit_ili9341 driver.
To invert color, send command of 0x21.
Follow Adafruit_ILI9341 library (Arduino framework), invertDisplay() function
https://github.com/adafruit/Adafruit_ILI9341/blob/master/Adafruit_ILI9341.cpp
"""
import os, sys
import board
import busio
import terminalio
import displayio
import fourwire
import adafruit_ili9341
import sdcardio
import storage
import adafruit_imageload
ILI9341_INVOFF = 0x20 #Display Inversion OFF
ILI9341_INVON = 0x21 #Display Inversion ON
# Release any resources currently in use for the displays
displayio.release_displays()
#===init display ======================
#Connection to ILI9341/SD
DISP_CS = board.IO17
DISP_RES = board.IO16
DISP_DC = board.IO15
SPI_MOSI = board.IO7
SPI_SCL = board.IO6
DISP_BL = board.IO5
SPI_MISO = board.IO4
SD_CS = board.IO43
spi = busio.SPI(clock=SPI_SCL,
MOSI=SPI_MOSI,
MISO=SPI_MISO)
#On CircuitPython 9 FourWire moved from displayio to fourwire
display_bus = fourwire.FourWire(spi, command=DISP_DC, chip_select=DISP_CS, reset=DISP_RES)
#--- Setup display ---
# for 3.2" 320x240 SPI ILI9341 TFT
disp_width = 320
disp_height = 240
display = adafruit_ili9341.ILI9341(display_bus,
width=disp_width,
height=disp_height,
backlight_pin=DISP_BL,
)
display_bus.send(int(ILI9341_INVON), "") #invert color
isInverted = True
#Setup SDCard
sd = sdcardio.SDCard(spi, SD_CS)
sysinfo = sys.implementation[0] + " " + os.uname()[3] + "\nrun on " + os.uname()[4]
drv_info = adafruit_ili9341.__name__ + " " + adafruit_ili9341.__version__ + "\n" + \
adafruit_imageload.__name__ + " " + adafruit_imageload.__version__
print("=============================================")
print("coXXect.blogspot.com")
print("---------------------------------------------")
print(sys.implementation[0], os.uname()[3],
"\nrun on", os.uname()[4])
print("=============================================")
print(drv_info)
print()
sd_path = "/sd"
vfs = storage.VfsFat(sd)
storage.mount(vfs, sd_path)
"""
print("List Directory in SD:")
for f in os.listdir(sd_path):
print(f)
print()
"""
bmpFiles = ["image_01.bmp", "image_02.bmp", "image_03.bmp", "image_04.bmp", "image_05.bmp"]
# Make the display context
bgGroup = displayio.Group()
display.root_group = bgGroup
image, palette = adafruit_imageload.load("/sd/image_01.bmp",
bitmap=displayio.Bitmap,
palette=displayio.Palette)
image_TileGrid = displayio.TileGrid(image, pixel_shader=palette)
bgGroup.append(image_TileGrid)
while True:
for b in bmpFiles:
bmpfile = sd_path + "/" + b
#print("bitmap file:", bmpfile)
image, palette = adafruit_imageload.load(bmpfile,
bitmap=displayio.Bitmap,
palette=displayio.Palette)
image_TileGrid.bitmap = image
image_TileGrid.pixel_shader = palette
#Toggle display inversion
if isInverted:
display_bus.send(int(ILI9341_INVOFF), "") #Display Inversion OFF
isInverted = False
else:
display_bus.send(int(ILI9341_INVON), "") #Display Inversion ON
isInverted = True
print()
print("~ bye ~")
next:
~ CircuitPython to download bmp images from web, and display on ILI9341 SPI TFT.
~ ESP-NOW on CircuitPython 9.0.3, tested on ESP32-S3/ESP32-C3.
More exercise:
To draw line and rect:
cpyS3_ili9341_sq.py
"""
CircuitPython exercise run on ESP32-S3,
to display on IPS with ILI9341 SPI driver.
details and code:
https://coxxect.blogspot.com/2024/04/32-320x240-ips-lcd-ili9341-spi-with-cap.html
CircuitPython exercise to draw line and rectangle.
---------------------------
Display Module:
3.2 inch IPS SPI Module ILI9341 with cap. touch FT6336U
Test on:
dev. board: Espressif ESP32-S3-DevKitC-1
CircuitPython: 9.0.4
Libraries needed:
- adafruit_ili9341.mpy
- adafruit_display_text folder
- adafruit_display_shapes folder
"""
import os, sys
import board
import busio
import terminalio
import displayio
import fourwire
from adafruit_display_text import label
from adafruit_display_shapes.rect import Rect
import adafruit_ili9341
import bitmaptools
import time
ILI9341_INVOFF = 0x20 #Display Inversion OFF
ILI9341_INVON = 0x21 #Display Inversion ON
# Release any resources currently in use for the displays
displayio.release_displays()
#===init display ======================
#Connection to ILI9341/SD
DISP_CS = board.IO17
DISP_RES = board.IO16
DISP_DC = board.IO15
SPI_MOSI = board.IO7
SPI_SCL = board.IO6
DISP_BL = board.IO5
SPI_MISO = board.IO4
SD_CS = board.IO43
spi = busio.SPI(clock=SPI_SCL,
MOSI=SPI_MOSI,
MISO=SPI_MISO)
#On CircuitPython 9 FourWire moved from displayio to fourwire
display_bus = fourwire.FourWire(spi, command=DISP_DC, chip_select=DISP_CS, reset=DISP_RES)
#--- Setup display ---
# for 3.2" 320x240 SPI ILI9341 TFT
disp_width = 320
disp_height = 240
display = adafruit_ili9341.ILI9341(display_bus,
width=disp_width,
height=disp_height,
backlight_pin=DISP_BL,
)
display_bus.send(int(ILI9341_INVON), "") #invert color
sysinfo = sys.implementation[0] + " " + os.uname()[3] + "\nrun on " + os.uname()[4]
drv_info = adafruit_ili9341.__name__ + " " + adafruit_ili9341.__version__
print("=============================================")
print("coXXect.blogspot.com")
print("---------------------------------------------")
print(sys.implementation[0], os.uname()[3],
"\nrun on", os.uname()[4])
print("=============================================")
print(drv_info)
time.sleep(1)
# Make the display context
bgGroup = displayio.Group()
display.root_group = bgGroup
bg_bitmap = displayio.Bitmap(display.width, display.height, 2)
bg_palette = displayio.Palette(2)
bg_palette[0] = 0x000000 # Black
bg_palette[1] = 0xFFFFFF # White
bg_sprite = displayio.TileGrid(bg_bitmap, pixel_shader=bg_palette, x=0, y=0)
bgGroup.append(bg_sprite)
# Draw label
text_group = displayio.Group(scale=2, x=10, y=120)
text = "coXXect.blogspot.com"
text_area = label.Label(terminalio.FONT, text=text, color=0xFFFFFF)
text_group.append(text_area) # Subgroup for text scaling
bgGroup.append(text_group)
info_group = displayio.Group(scale=1, x=10, y=200)
info_label = label.Label(terminalio.FONT,
text=sysinfo + "\n" + drv_info,
color=0xFFFFFF)
info_group.append(info_label) # Subgroup for text scaling
bgGroup.append(info_group)
time.sleep(3)
bgGroup.remove(text_group)
bgGroup.remove(info_group)
"""
bitmaptools exercise to draw line on bitmap
bitmaptools.draw_line(dest_bitmap: displayio.Bitmap, x1: int, y1: int, x2: int, y2: int, value: int)
https://docs.circuitpython.org/en/latest/shared-bindings/bitmaptools/index.html#bitmaptools.draw_line
"""
x = 0
y = 0
x_space = 2
y_space = 2
while x < display.width:
bitmaptools.draw_line(bg_bitmap, x, 0, x, display.height, 1)
x = x + x_space
x_space = x_space+1
while y < display.height:
bitmaptools.draw_line(bg_bitmap, 0, y, display.width, y, 1)
y = y + y_space
y_space = y_space+1
"""
draw square
adafruit_display_shapes.rect.Rect(...)
https://docs.circuitpython.org/projects/display-shapes/en/latest/api.html#adafruit_display_shapes.rect.Rect
"""
sq_x = 0
sq_y = 0
sq_l = 35
sq_x_dir = 1
sq_y_dir = 1
sq_x_max = display.width-sq_l
sq_y_max = display.height-sq_l
sq = Rect(sq_x, sq_y, sq_l, sq_l, fill=000000, outline=0xFFFFFF)
bgGroup.append(sq)
while True:
sq_x = sq_x + sq_x_dir
sq_y = sq_y + sq_y_dir
sq.x = sq_x
sq.y = sq_y
if sq_x_dir > 0:
if sq_x > sq_x_max:
sq_x_dir = sq_x_dir * -1
else:
if sq_x <= 0:
sq_x_dir = sq_x_dir * -1
if sq_y_dir > 0:
if sq_y > sq_y_max:
sq_y_dir = sq_y_dir * -1
else:
if sq_y <= 0:
sq_y_dir = sq_y_dir * -1
time.sleep(0.02)
print("~ bye ~")
~ CircuitPython Exercise: Touch buttons on ILI9341 SPI LCD with FT6336 Capacitive Touch.
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