80x160 ST7735S SPI TFT with Raspberry Pi Pico W/CircuitPython 8 Beta 5

Display on 0.96" 80x160 (RGB) IPS with ST7735S SPI Driver with Raspberry Pi Pico W/CircuitPython 8.0.0 Beta 5

Prepare Libraries:

Visit https://circuitpython.org/libraries, download and extract Bundle for Version 8.x matching with your CircuitPython version.

Libraries need:
adafruit_display_shapes folder
adafruit_display_text folder
adafruit_st7735r.mpy
adafruit_ticks.mpy

Copy to CircuitPython device's /lib 

Connection:

	ST7735	Raspberry Pi Pico W
	---------------------------
	BLK		3V3
	CS		GP15
	DC		GP14
	RES		GP13
	SDA		GP11
	SCL		GP10
	VCC		3V3
	GND		GND
	

Exercise Code:


cpyPicoW_st7735r_simpletest.py
modified from example st7735r_simpletest.py
"""
Copy from CircuitPython Lib example st7735r_simpletest.py
"""
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

"""
This test will initialize the display using displayio and draw a solid green
background, a smaller purple rectangle, and some yellow text.
"""

import board
import terminalio
import displayio
from adafruit_display_text import label
from adafruit_st7735r import ST7735R
import busio

# Release any resources currently in use for the displays
displayio.release_displays()

"""
spi = board.SPI()
tft_cs = board.D5
tft_dc = board.D6

display_bus = displayio.FourWire(
    spi, command=tft_dc, chip_select=tft_cs, reset=board.D9
)

display = ST7735R(display_bus, width=128, height=128, colstart=2, rowstart=1)
"""

# --- Setup st7789 display---
# Define GPIOs for ST7789
tft_SCL = board.GP10
tft_SDA = board.GP11
tft_RES = board.GP13
tft_DC = board.GP14
tft_CS = board.GP15

tft_width = 160
tft_height = 80

tft_spi = busio.SPI(clock=tft_SCL, MOSI=tft_SDA)
display_bus = displayio.FourWire(tft_spi, command=tft_DC, chip_select=tft_CS, reset=tft_RES)
display = ST7735R(display_bus,
                  width=tft_width, height=tft_height,
                  rotation=270,
                  colstart=26, rowstart=1,
                  invert=True
                  )
# ----------------------------

# Make the display context
splash = displayio.Group()
display.show(splash)

color_bitmap = displayio.Bitmap(display.width, display.height, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0x00FF00  # Bright Green

bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
splash.append(bg_sprite)

# Draw a smaller inner rectangle
inner_bitmap = displayio.Bitmap(display.width-10, display.height-10, 1)
inner_palette = displayio.Palette(1)
inner_palette[0] = 0xAA0088  # Purple
inner_sprite = displayio.TileGrid(inner_bitmap, pixel_shader=inner_palette, x=5, y=5)
splash.append(inner_sprite)

# Draw a label
text = "Hello World!"
text_area = label.Label(terminalio.FONT, text=text, color=0xFFFF00, x=40, y=30)
splash.append(text_area)

while True:
    pass


cpyPicoW_st7735r_80x160_hello.py
for color checking
"""
Test on Raspberry Pi Pico W
with CircuitPython 8.0.0 Beta 5
display on 0.96 80x160 IPS with ST7735S SPI driver
for color checking
"""

import board
import terminalio
import displayio
from adafruit_display_text import label
import adafruit_st7735r
import busio
import time
import os

# Release any resources currently in use for the displays
displayio.release_displays()

# --- Setup st7735 display---
# Define GPIOs for ST7735
tft_SCL = board.GP10
tft_SDA = board.GP11
tft_RES = board.GP13
tft_DC = board.GP14
tft_CS = board.GP15

tft_width = 160
tft_height = 80

tft_spi = busio.SPI(clock=tft_SCL, MOSI=tft_SDA)
display_bus = displayio.FourWire(tft_spi, command=tft_DC, chip_select=tft_CS, reset=tft_RES)

#I get the parameters colstart/rowstart by guessing and trying
display = adafruit_st7735r.ST7735R(display_bus,
                                   width=tft_width, height=tft_height,
                                   rotation=270,
                                   colstart=26, rowstart=1,
                                   invert=True
                                   )
# ----------------------------

# Make the display context
splash = displayio.Group()
display.show(splash)

colorset = ((0x000000, "BLACK"),
            (0xFF0000, "RED"),
            (0x00FF00, "GREEN"),
            (0x0000FF, "BLUE"),
            (0xFFFFFF, "WHITE"),
            )

color_bitmap = displayio.Bitmap(display.width, display.height, 5)
color_palette = displayio.Palette(5)

for i in range(len(colorset)):
    print("color_palette[", i, "] =", hex(colorset[i][0]))
    color_palette[i] = colorset[i][0]

print("--- start ---")

color_bitmap.fill(0)
bg_sprite = displayio.TileGrid(color_bitmap,
                               pixel_shader=color_palette,
                               x=0, y=0)
splash.append(bg_sprite)

# Draw a label
#text = "Hello\nWorld!"
text = os.uname()[4] + "\n" + os.uname()[3] + "\n" + \
       adafruit_st7735r.__name__  + " " + adafruit_st7735r.__version__  + "\n" + \
       str(display.width) + "x" + str(display.height)
text_area = label.Label(terminalio.FONT,
                        text=text,
                        color=0x505050,
                        x=0, y=10)
splash.append(text_area)

time.sleep(5)
idx = 0
while True:
    time.sleep(2)
    idx = idx+1
    if idx == len(colorset):
        idx = 0
    
    newcolor = colorset[idx][0]
    newcolorname = colorset[idx][1]
    
    print("idx:", idx, " = ",
          "{0:#0{1}x}".format(newcolor,8),
          newcolorname)
    color_bitmap.fill(idx)
    text_area.text=newcolorname
    
    


cpyPicoW_st7735r_80x160_ani.py
animate something
"""
Test on Raspberry Pi Pico W
with CircuitPython 8.0.0 Beta 5
display on 0.96 80x160 IPS with ST7735S SPI driver
animate something
"""

import board
import terminalio
import displayio
from adafruit_display_text import label
import adafruit_st7735r
import busio
import time
import os
from adafruit_display_shapes.polygon import Polygon
from adafruit_display_shapes.circle import Circle
import math
import adafruit_ticks

# Release any resources currently in use for the displays
displayio.release_displays()

# --- Setup st7735 display---
# Define GPIOs for ST7735
tft_SCL = board.GP10
tft_SDA = board.GP11
tft_RES = board.GP13
tft_DC = board.GP14
tft_CS = board.GP15

tft_width = 160
tft_height = 80

tft_spi = busio.SPI(clock=tft_SCL, MOSI=tft_SDA)
display_bus = displayio.FourWire(tft_spi, command=tft_DC, chip_select=tft_CS, reset=tft_RES)

#I get the parameters colstart/rowstart by guessing and trying
display = adafruit_st7735r.ST7735R(display_bus,
                                   width=tft_width, height=tft_height,
                                   rotation=270,
                                   colstart=26, rowstart=1,
                                   invert=True
                                   )
# ----------------------------

# Make the display context
splash = displayio.Group()
display.show(splash)

# background with one color only
color_bitmap = displayio.Bitmap(display.width, display.height, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0x000000

print("--- start ---")

color_bitmap.fill(0)
bg_sprite = displayio.TileGrid(color_bitmap,
                               pixel_shader=color_palette,
                               x=0, y=0)
splash.append(bg_sprite)

# Draw a label
#text = "Hello\nWorld!"
text = os.uname()[4] + "\n" + os.uname()[3] + "\n" + \
       adafruit_st7735r.__name__  + " " + adafruit_st7735r.__version__  + "\n" + \
       str(display.width) + "x" + str(display.height)
text_area = label.Label(terminalio.FONT,
                        text=text,
                        color=0xFFFFFF,
                        x=0, y=10)
splash.append(text_area)

time.sleep(3)
splash.remove(text_area)

# prepare sharps
center_x = int(display.width/2)
center_y = int(display.height/2)
circle_r = 25

print("center", center_x, ":", center_y)
circle = Circle(center_x, center_y, circle_r,
                fill=0xA00000, outline=0xFFFFFF)
#.x & .y point to the upper-left corner
#.x0 & .y0 point to the center
print("circle.x=", circle.x, "\t", "circle.y=", circle.y)
print("circle.x0=", circle.x0, "\t", "circle.y0=", circle.y0)

splash.append(circle)
time.sleep(0.5)

def getPolPt(x, y, r, deg):
    rad=math.radians(deg)
    px = int(r*math.cos(rad)+center_x)
    py = int(r*math.sin(rad)+center_y)
    return(int(px),
           int(py))

pol=(getPolPt(center_x, center_y, circle_r, 0),
     getPolPt(center_x, center_y, circle_r, 72),
     getPolPt(center_x, center_y, circle_r, 144),
     getPolPt(center_x, center_y, circle_r, 216),
     getPolPt(center_x, center_y, circle_r, 288)
     )

polygon = Polygon(points=pol,
                  outline=0xFFFFFF)
splash.append(polygon)

#prepare animation
dur_aniBackground = 250
dur_aniCircle = 50
cur_tick = adafruit_ticks.ticks_ms()
nextTick_aniBackground = adafruit_ticks.ticks_add(cur_tick, dur_aniBackground)
nextTick_aniCircle = adafruit_ticks.ticks_add(cur_tick, dur_aniCircle)
colpart = 0x00
cstep = 3
colStep = +cstep

cirStepX = +3
cirStepY = +2

while True:
    cur_tick = adafruit_ticks.ticks_ms()
    if adafruit_ticks.ticks_diff(cur_tick, nextTick_aniBackground)>0:
        nextTick_aniBackground = adafruit_ticks.ticks_add(cur_tick, dur_aniBackground)
        
        #animate background color by changing color_palette[0]
        if colpart<=0x00:
            colStep = +cstep
        elif colpart>=0xFF:
            colStep = -cstep
        colpart = colpart+colStep
        part = colpart & 0xFF
        color_palette[0] = part + part*0x100 + part*0x10000

    if adafruit_ticks.ticks_diff(cur_tick, nextTick_aniCircle)>0:
        nextTick_aniCircle = adafruit_ticks.ticks_add(cur_tick, dur_aniCircle)
        
        circle.x0 = circle.x0+cirStepX
        circle.y0 = circle.y0+cirStepY
        
        if (circle.x0<=0) or (circle.x0>=display.width):
            cirStepX = cirStepX * -1
        if (circle.y0<=0) or (circle.y0>=display.height):
            cirStepY = cirStepY * -1


cpyPicoW_st7735r_80x160_temp.py
Read and display RP2040 internal temperature
"""
Test on Raspberry Pi Pico W
with CircuitPython 8.0.0 Beta 5
display on 0.96 80x160 IPS with ST7735S SPI driver
Read and display RP2040 internal temperature
"""

import board
import terminalio
import displayio
from adafruit_display_text import label
import adafruit_st7735r
import busio
import time
import os
from adafruit_display_shapes.polygon import Polygon
from adafruit_display_shapes.circle import Circle
import math
import adafruit_ticks
import microcontroller

conversion_factor = 3.3 / (65535)  # for temperature reading from ADC(4)

# Release any resources currently in use for the displays
displayio.release_displays()

# --- Setup st7735 display---
# Define GPIOs for ST7735
tft_SCL = board.GP10
tft_SDA = board.GP11
tft_RES = board.GP13
tft_DC = board.GP14
tft_CS = board.GP15

tft_width = 160
tft_height = 80

tft_spi = busio.SPI(clock=tft_SCL, MOSI=tft_SDA)
display_bus = displayio.FourWire(tft_spi, command=tft_DC, chip_select=tft_CS, reset=tft_RES)

#I get the parameters colstart/rowstart by guessing and trying
display = adafruit_st7735r.ST7735R(display_bus,
                                   width=tft_width, height=tft_height,
                                   rotation=270,
                                   colstart=26, rowstart=1,
                                   invert=True
                                   )
# ----------------------------

# Make the display context
splash = displayio.Group()
display.show(splash)

# background with one color only
color_bitmap = displayio.Bitmap(display.width, display.height, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0x000000

print("--- start ---")

color_bitmap.fill(0)
bg_sprite = displayio.TileGrid(color_bitmap,
                               pixel_shader=color_palette,
                               x=0, y=0)
splash.append(bg_sprite)

# Draw a label
text = os.uname()[4] + "\n" + os.uname()[3] + "\n" + \
       adafruit_st7735r.__name__  + " " + adafruit_st7735r.__version__  + "\n" + \
       str(display.width) + "x" + str(display.height)
text_area = label.Label(terminalio.FONT,
                        text=text,
                        color=0xB0B0B0,
                        x=0, y=10)
splash.append(text_area)

time.sleep(3)
text_area.text = "Read RP2040\ninternal temperature"

temp_area = label.Label(terminalio.FONT,
                        text="waiting",
                        color=0xB0B000,
                        scale=3,
                        x=10, y=50)
splash.append(temp_area)

dur_readTemp = 1000
cur_tick = adafruit_ticks.ticks_ms()
nextTick_readTemp = adafruit_ticks.ticks_add(cur_tick, dur_readTemp)


while True:
    cur_tick = adafruit_ticks.ticks_ms()
    if adafruit_ticks.ticks_diff(cur_tick, nextTick_readTemp)>0:
        nextTick_readTemp = adafruit_ticks.ticks_add(cur_tick, dur_readTemp)
        
        #read internal temperature, in Celsius
        temp_area.text = str(microcontroller.cpu.temperature)




Related:
Raspberry Pi Pico W/MicroPython x 0.96" 80x160 ST7735 SPI IPS

Comments

Popular posts from this blog

480x320 TFT/ILI9488 SPI wih EP32C3 (arduino-esp32) using Arduino_GFX Library

my dev.tools - FNIRSI 2C23T 3-in-1 Dual Channel Oscilloscope/Multimeter/Signal Generator