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Nov 11, 2021
Merged

Updated examples reformatted with Black #20

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6 changes: 3 additions & 3 deletions examples/example10_turn_off_display.py
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Expand Up @@ -24,13 +24,13 @@
"""
from time import sleep
import board
from sparkfun_serlcd import Sparkfun_SerLCD_I2C
from sparkfun_serlcd import Sparkfun_SerLCD_I2C

i2c = board.I2C()
serlcd = Sparkfun_SerLCD_I2C(i2c)

print('Example 10: Turn Off Display')
print('Press Ctrl-C to end program.')
print("Example 10: Turn Off Display")
print("Press Ctrl-C to end program.")

serlcd.clear()

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16 changes: 8 additions & 8 deletions examples/example11_text_direction.py
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Expand Up @@ -23,20 +23,20 @@
"""
from time import sleep
import board
from sparkfun_serlcd import Sparkfun_SerLCD_I2C
from sparkfun_serlcd import Sparkfun_SerLCD_I2C

i2c = board.I2C()
serlcd = Sparkfun_SerLCD_I2C(i2c)

print('Example 11: Text Direction')
print('Press Ctrl-C to end program.')
print("Example 11: Text Direction")
print("Press Ctrl-C to end program.")

serlcd.write("Hello, world!")

letter_a = ord('a')
letter_j = ord('j')
letter_q = ord('q')
letter_z = ord('z')
letter_a = ord("a")
letter_j = ord("j")
letter_q = ord("q")
letter_z = ord("z")

# Start with letter 'a'
letter = letter_a
Expand Down Expand Up @@ -64,7 +64,7 @@
sleep(0.5)

serlcd.write(chr(letter))
sleep(1) # wait a second
sleep(1) # wait a second
letter += 1

except KeyboardInterrupt:
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6 changes: 3 additions & 3 deletions examples/example12_display_input_text.py
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Expand Up @@ -23,13 +23,13 @@
"""
from time import sleep
import board
from sparkfun_serlcd import Sparkfun_SerLCD_I2C
from sparkfun_serlcd import Sparkfun_SerLCD_I2C

i2c = board.I2C()
serlcd = Sparkfun_SerLCD_I2C(i2c)

print('Example 12: Display Input Text')
print('Press Ctrl-C to end program.')
print("Example 12: Display Input Text")
print("Press Ctrl-C to end program.")


try:
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26 changes: 13 additions & 13 deletions examples/example13_fast_backlight.py
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Expand Up @@ -23,62 +23,62 @@
"""
from time import sleep
import board
from sparkfun_serlcd import Sparkfun_SerLCD_I2C
from sparkfun_serlcd import Sparkfun_SerLCD_I2C

i2c = board.I2C()
serlcd = Sparkfun_SerLCD_I2C(i2c)

print('Example 13: Fast Backlight')
print('Press Ctrl-C to end program.')
print("Example 13: Fast Backlight")
print("Press Ctrl-C to end program.")

try:
while True:
serlcd.set_fast_backlight_rgb(0, 0, 0) # black is off
serlcd.set_fast_backlight_rgb(0, 0, 0) # black is off
serlcd.clear()
serlcd.write("Black (off)")
sleep(3)

serlcd.set_fast_backlight_rgb(255, 0, 0) #bright red
serlcd.set_fast_backlight_rgb(255, 0, 0) # bright red
serlcd.clear()
serlcd.write("Red")
sleep(3)

serlcd.set_fast_backlight(0xFF8C00) #orange
serlcd.set_fast_backlight(0xFF8C00) # orange
serlcd.clear()
serlcd.write("Orange")
sleep(3)

serlcd.set_fast_backlight_rgb(255, 255, 0) #bright yellow
serlcd.set_fast_backlight_rgb(255, 255, 0) # bright yellow
serlcd.clear()
serlcd.write("Yellow")
sleep(3)

serlcd.set_fast_backlight_rgb(0, 255, 0) #bright green
serlcd.set_fast_backlight_rgb(0, 255, 0) # bright green
serlcd.clear()
serlcd.write("Green")
sleep(3)

serlcd.set_fast_backlight_rgb(0, 0, 255) #bright blue
serlcd.set_fast_backlight_rgb(0, 0, 255) # bright blue
serlcd.clear()
serlcd.write("Blue")
sleep(3)

serlcd.set_fast_backlight(0x4B0082) #indigo, a kind of dark purplish blue
serlcd.set_fast_backlight(0x4B0082) # indigo, a kind of dark purplish blue
serlcd.clear()
serlcd.write("Indigo")
sleep(3)

serlcd.set_fast_backlight(0xA020F0) #violet
serlcd.set_fast_backlight(0xA020F0) # violet
serlcd.clear()
serlcd.write("Violet")
sleep(3)

serlcd.set_fast_backlight(0x808080) #grey
serlcd.set_fast_backlight(0x808080) # grey
serlcd.clear()
serlcd.write("Grey")
sleep(3)

serlcd.set_fast_backlight_rgb(255, 255, 255) #bright white
serlcd.set_fast_backlight_rgb(255, 255, 255) # bright white
serlcd.clear()
serlcd.write("White")
sleep(3)
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4 changes: 2 additions & 2 deletions examples/example14_show_firmware_version.py
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Expand Up @@ -27,8 +27,8 @@
i2c = board.I2C()
serlcd = Sparkfun_SerLCD_I2C(i2c)

print('Example 12: Show Firmware Version')
print('Press Ctrl-C to end program.')
print("Example 12: Show Firmware Version")
print("Press Ctrl-C to end program.")

serlcd.clear()

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6 changes: 3 additions & 3 deletions examples/example15_system_messages.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@
i2c = board.I2C()
serlcd = Sparkfun_SerLCD_I2C(i2c)

print('Press Ctrl-C to end program.')
print("Press Ctrl-C to end program.")


try:
Expand All @@ -46,7 +46,7 @@
serlcd.command(187)
serlcd.command(217)
serlcd.write("Messages on")
serlcd.set_cursor(0,1)
serlcd.set_cursor(0, 1)
serlcd.write("White")
sleep(3)

Expand All @@ -57,7 +57,7 @@
serlcd.command(162)
serlcd.command(202)
serlcd.write("Messages off")
serlcd.set_cursor(0,1)
serlcd.set_cursor(0, 1)
serlcd.write("Purple")
sleep(2)

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8 changes: 4 additions & 4 deletions examples/example16_splash_screen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@
i2c = board.I2C()
serlcd = Sparkfun_SerLCD_I2C(i2c)

print('Example 16: Splash Screen')
print("Example 16: Splash Screen")

# Set backlight to bright white
serlcd.set_backlight_rgb(255, 255, 255)
Expand All @@ -47,12 +47,12 @@
serlcd.save_splash_screen()

# Uncomment this line to set splash screen back to default
#serlcd.default_splash_screen()
# serlcd.default_splash_screen()

# This will cause the splash to be displayed at power on
serlcd.splash_screen(True)

# Uncomment the next line to supress any splash display at power on
#serlcd.splash_screen(False)
# serlcd.splash_screen(False)

print('Power off dislpay. Then Power back on to see Splash Screen changes.')
print("Power off dislpay. Then Power back on to see Splash Screen changes.")
26 changes: 13 additions & 13 deletions examples/example1_hello_world.py
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Expand Up @@ -31,42 +31,42 @@
serlcd = Sparkfun_SerLCD_I2C(i2c)

# Enable SPI communication
#import digitalio
#from sparkfun_serlcd import Sparkfun_SerLCD_SPI
#spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
# import digitalio
# from sparkfun_serlcd import Sparkfun_SerLCD_SPI
# spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
#
# Set up chip select, CE0 or D8 is labeled CS on Sparkfun Pi Hat
#cs = digitalio.DigitalInOut(board.CE0)
#cs.direction = digitalio.Direction.OUTPUT
# cs = digitalio.DigitalInOut(board.CE0)
# cs.direction = digitalio.Direction.OUTPUT
#
#serlcd = Sparkfun_SerLCD_SPI(spi, cs)
# serlcd = Sparkfun_SerLCD_SPI(spi, cs)

# Enable UART Serial communication
# SerLCD is connected to the RPi via a USB to TTL 3.3v Serial Cable:
# https://www.sparkfun.com/products/12977
# https://www.adafruit.com/product/954

#import serial
#from sparkfun_serlcd import Sparkfun_SerLCD_UART
#usb0 = serial.Serial(
# import serial
# from sparkfun_serlcd import Sparkfun_SerLCD_UART
# usb0 = serial.Serial(
# port='/dev/ttyUSB0',
# baudrate = 9600,
# parity=serial.PARITY_NONE,
# stopbits=serial.STOPBITS_ONE,
# bytesize=serial.EIGHTBITS,
# timeout=1)
#
#serlcd = Sparkfun_SerLCD_UART(usb0)
# serlcd = Sparkfun_SerLCD_UART(usb0)

print('Example 1: Hello World')
print('Press Ctrl-C to end program.')
print("Example 1: Hello World")
print("Press Ctrl-C to end program.")

serlcd.write("Hello, world!")

i = 0
try:
while True:
serlcd.set_cursor(0,1)
serlcd.set_cursor(0, 1)
serlcd.write(i)
i += 1
sleep(1)
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22 changes: 11 additions & 11 deletions examples/example2_backlight.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@
"""
from time import sleep
import board
from sparkfun_serlcd import Sparkfun_SerLCD_I2C
from sparkfun_serlcd import Sparkfun_SerLCD_I2C

i2c = board.I2C()
serlcd = Sparkfun_SerLCD_I2C(i2c)
Expand All @@ -35,52 +35,52 @@

try:
while True:
serlcd.set_backlight_rgb(0, 0, 0) # black is off
serlcd.set_backlight_rgb(0, 0, 0) # black is off
serlcd.clear()
serlcd.write("Black (off)")
sleep(3)

serlcd.set_backlight_rgb(255, 0, 0) #bright red
serlcd.set_backlight_rgb(255, 0, 0) # bright red
serlcd.clear()
serlcd.write("Red")
sleep(3)

serlcd.set_backlight(0xFF8C00) #orange
serlcd.set_backlight(0xFF8C00) # orange
serlcd.clear()
serlcd.write("Orange")
sleep(3)

serlcd.set_backlight_rgb(255, 255, 0) #bright yellow
serlcd.set_backlight_rgb(255, 255, 0) # bright yellow
serlcd.clear()
serlcd.write("Yellow")
sleep(3)

serlcd.set_backlight_rgb(0, 255, 0) #bright green
serlcd.set_backlight_rgb(0, 255, 0) # bright green
serlcd.clear()
serlcd.write("Green")
sleep(3)

serlcd.set_backlight_rgb(0, 0, 255) #bright blue
serlcd.set_backlight_rgb(0, 0, 255) # bright blue
serlcd.clear()
serlcd.write("Blue")
sleep(3)

serlcd.set_backlight(0x4B0082) #indigo, a kind of dark purplish blue
serlcd.set_backlight(0x4B0082) # indigo, a kind of dark purplish blue
serlcd.clear()
serlcd.write("Indigo")
sleep(3)

serlcd.set_backlight(0xA020F0) #violet
serlcd.set_backlight(0xA020F0) # violet
serlcd.clear()
serlcd.write("Violet")
sleep(3)

serlcd.set_backlight(0x808080) #grey
serlcd.set_backlight(0x808080) # grey
serlcd.clear()
serlcd.write("Grey")
sleep(3)

serlcd.set_backlight_rgb(255, 255, 255) #bright white
serlcd.set_backlight_rgb(255, 255, 255) # bright white
serlcd.clear()
serlcd.write("White")
sleep(3)
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18 changes: 9 additions & 9 deletions examples/example3_cursor_position.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@
import time
import random
import board
from sparkfun_serlcd import Sparkfun_SerLCD_I2C
from sparkfun_serlcd import Sparkfun_SerLCD_I2C

i2c = board.I2C()
serlcd = Sparkfun_SerLCD_I2C(i2c)
Expand All @@ -37,29 +37,29 @@
# num_rows = 4

# Starting character value
letter = ord('a')
letter = ord("a")

print('Example 3: Cursor Position')
print('Press Ctrl-C to end program.')
print("Example 3: Cursor Position")
print("Press Ctrl-C to end program.")

# Clear the display before writing random letters
serlcd.clear()

try:
while True:
# pick a random column 0 to 15 (or 19)
col = random.randint(0, num_cols-1)
col = random.randint(0, num_cols - 1)
# pick a random row 0 to 1 (or 3)
row = random.randint(0, num_rows-1)
row = random.randint(0, num_rows - 1)

# Move to random location and write the next letter
serlcd.set_cursor(col,row)
serlcd.set_cursor(col, row)
serlcd.write(chr(letter))

# Get the next letter wrapping around after z
letter += 1
if letter > ord('z'):
letter = ord('a')
if letter > ord("z"):
letter = ord("a")

time.sleep(0.5)

Expand Down
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