def runExample():
print("\nSparkFun Qwiic SerLCD Example 8\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings (no
myLCD.leftToRight()
time.sleep(1) # give a sec for system messages to complete
while True:
myLCD.setCursor(0, 0) # set the cursor to (0,0)
for thisChar in range(10): # print from 0 to 9
myLCD.print(str(thisChar))
time.sleep(0.5)
myLCD.autoscroll() # set the display to automatically scroll
for thisChar in range(0, 10): # print from 0 to 9
myLCD.setCursor(10 + thisChar, 1)
myLCD.print(str(thisChar))
time.sleep(0.5)
myLCD.noAutoscroll() # turn off automatic scrolling
myLCD.clearScreen() # clear screen for the next loop
def runExample():
print("\nSparkFun Qwiic SerLCD Example 12\n")
print("\nType CTRL+C to end.\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings
myLCD.leftToRight()
myLCD.noCursor()
time.sleep(1) # give a sec for system messages to complete
while True:
# promt the user to input some text
user_input = input("Please type something to display on the LCD: ")
myLCD.clearScreen() # clear the screen
myLCD.print(user_input) # print what the user just typed in
time.sleep(0.5) # wait a second
def runExample():
print("\nSparkFun Qwiic SerLCD Example 17\n")
print("\nType CTRL+C to end.\n")
myLCD = qwiic_serlcd.QwiicSerlcd(address=old_address)
print("Attemping to connect to %s..." % hex(myLCD.address))
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
else:
print("Connected!")
myLCD.setBacklight(255, 255, 255) # bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings (no
myLCD.leftToRight()
myLCD.noCursor()
time.sleep(1) # give a sec for system messages to complete
myLCD.clearScreen()
myLCD.setAddress(
new_address
) # note this updates class member myLCD.address to the new_address
if myLCD.connected == True:
print("Address changed to %s successfully!" % hex(myLCD.address))
myLCD.clearScreen()
myLCD.print("My new add: %s" % hex(myLCD.address))
else:
print("Address change failed :(")
while True:
time.sleep(1) # do nothing
def runExample():
print("\nSparkFun Qwiic SerLCD Example 9\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings (no
myLCD.leftToRight()
time.sleep(1) # give a sec for system messages to complete
# make some custom characters:
heart = [
0b00000, 0b01010, 0b11111, 0b11111, 0b11111, 0b01110, 0b00100, 0b00000
]
smiley = [
0b00000, 0b00000, 0b01010, 0b00000, 0b00000, 0b10001, 0b01110, 0b00000
]
frownie = [
0b00000, 0b00000, 0b01010, 0b00000, 0b00000, 0b00000, 0b01110, 0b10001
]
armsDown = [
0b00100, 0b01010, 0b00100, 0b00100, 0b01110, 0b10101, 0b00100, 0b01010
]
armsUp = [
0b00100, 0b01010, 0b00100, 0b10101, 0b01110, 0b00100, 0b00100, 0b01010
]
myLCD.createChar(0, heart)
myLCD.createChar(1, smiley)
myLCD.createChar(2, frownie)
myLCD.createChar(3, armsDown)
myLCD.createChar(4, armsUp)
myLCD.setCursor(0, 0) # set cursor to the top left
# Print a message to the LCD.
myLCD.print("I ")
myLCD.writeChar(0) # Print the heart character, stored in location 0
myLCD.print(" SerLCD! ")
myLCD.writeChar(1) # Print smiley
while True:
myLCD.setCursor(4, 1) # column, row
myLCD.writeChar(3) # print little man, arms down
time.sleep(0.2)
myLCD.setCursor(4, 1) # column, row
myLCD.writeChar(4) # print little man, arms up
time.sleep(0.2)
def runExample():
print("\nSparkFun Qwiic SerLCD Example 13\n")
print("\nType CTRL+C to end.\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings (no
myLCD.leftToRight()
myLCD.noCursor()
time.sleep(1) # give a sec for system messages to complete
while True:
myLCD.setFastBacklight(255, 0, 0) # bright red
myLCD.clearScreen()
myLCD.print("Red")
time.sleep(1)
myLCD.setFastBacklight(0xFF, 0x8C, 0x00) # orange
myLCD.clearScreen()
myLCD.print("Orange")
time.sleep(1)
def runExample():
print("\nSparkFun Qwiic SerLCD Example 6\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.clearScreen()
myLCD.cursor() # Turn on the underline cursor
time.sleep(1) # give a sec for system messages to complete
myLCD.print("Hello World!")
while True:
# turn off the blinking cursor
print("Cursor blinking OFF")
myLCD.noBlink()
time.sleep(5)
# turn on the blinking cursor
print("Cursor blinking ON")
myLCD.blink()
time.sleep(5)
def runExample():
print("\nSparkFun Qwiic SerLCD Example 10\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings (no
myLCD.leftToRight()
myLCD.noCursor()
time.sleep(1) # give a sec for system messages to complete
# Print a message to the LCD.
myLCD.print("Hello World!")
while True:
myLCD.display() #turn on display
time.sleep(1)
myLCD.noDisplay() # turn off display
time.sleep(1)
def runExample():
print("\nSparkFun Qwiic SerLCD Example 15\n")
print("\nType CTRL+C to end.\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings (no
myLCD.leftToRight()
myLCD.noCursor()
time.sleep(1) # give a sec for system messages to complete
myLCD.disableSystemMessages(
) # Now whenever you change a system setting like Contrast,
# SerLCD will not display the setting. This makes changing the setting faster, and also
# invisible to the user.
#myLCD.enableSystemMessages() # This will re-enable the printing of system messages
myLCD.clearScreen()
myLCD.print("Hello World!")
counter = 0
while True:
# do something that would normally cause a system message
# let's change color of backlight values every other count value
if (counter % 2) == 0:
myLCD.setBacklight(255, 0, 0)
else:
myLCD.setBacklight(0, 255, 0)
time.sleep(0.1) # give it a sec to change backlight
print("counter: %d" % counter)
myLCD.setCursor(0, 1)
myLCD.print(str(counter))
counter = counter + 1
time.sleep(1)
def runExample():
print("\nSparkFun Qwiic SerLCD Example 4\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.clearScreen()
myLCD.cursor() # Turn on the underline cursor
time.sleep(1) # give a sec for system messages to complete
myLCD.print("Watch the cursor!")
while True:
# move cursor left with three function calls
myLCD.moveCursorLeft()
time.sleep(0.5)
myLCD.moveCursorLeft()
time.sleep(0.5)
myLCD.moveCursorLeft()
time.sleep(0.5)
# move curor right three spaces in one function call
myLCD.moveCursorRight(3) # notice the optional count argument of "3"
time.sleep(0.5)
# move cursor left three spaces in one function call
myLCD.moveCursorLeft(3)
time.sleep(0.5)
# move cursor right with three function calls
myLCD.moveCursorRight()
time.sleep(0.5)
myLCD.moveCursorRight()
time.sleep(0.5)
myLCD.moveCursorRight()
time.sleep(0.5)
def runExample():
print("\nSparkFun Qwiic SerLCD Example 16\n")
print("\nType CTRL+C to end.\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings (no
myLCD.leftToRight()
myLCD.noCursor()
time.sleep(1) # give a sec for system messages to complete
myLCD.clearScreen()
myLCD.print("Tea-O-Matic")
time.sleep(1)
myLCD.saveSplash(
) # save this current text as the splash screen at next power up
myLCD.enableSplash(
) # This will cause the splash to be displayed at power on
#myLCD.disableSplash() # This will supress the splash from being displayed at power on
counter = 0
myLCD.clearScreen()
myLCD.print("Cups of tea: ")
while True:
print("counter: %d" % counter)
myLCD.setCursor(0, 1)
myLCD.print(str(counter))
counter = counter + 1
time.sleep(1)
def runExample():
print("\nSparkFun Qwiic SerLCD Example 3\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.clearScreen()
time.sleep(1) # give a sec for system messages to complete
# These constants won't change. But you can change the size of
# your LCD using them:
numRows = 2
# numRows = 4
numCols = 16
# numCols = 20
thisLetter = "a"
while True:
randomColumn = random.randint(0, numCols)
randomRow = random.randint(0, numRows)
# set the cursor position:
myLCD.setCursor(randomColumn, randomRow)
# print the letter:
myLCD.print(thisLetter) # print to screen
time.sleep(0.2)
thisLetter = chr(ord(thisLetter) + 1)
if thisLetter > "z":
thisLetter = "a" # Wrap the variable
def runExample():
print("\nSparkFun Qwiic SerLCD Example 7\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.clearScreen()
time.sleep(1) # give a sec for system messages to complete
myLCD.print("Hello World!")
while True:
# scroll 13 positions (string length) to the left
# to move it offscreen left:
for i in range(13):
myLCD.scrollDisplayLeft() # scroll one position left
time.sleep(0.15) # wait a bit
# scroll 29 positions (string length + display length) to the right
# to move it offscreen right:
for i in range(29):
myLCD.scrollDisplayRight() # scroll one position right
time.sleep(0.15) # wait a bit
# scroll 16 positions (display length + string length) to the left
# to move it back to center:
for i in range(16):
myLCD.scrollDisplayLeft() # scroll one position left
time.sleep(0.15) # wait a bit
time.sleep(1) # delay at the end of the full loop
def runExample():
print("\nSparkFun Qwiic SerLCD Example 14\n")
print("\nType CTRL+C to end.\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings (no
myLCD.leftToRight()
myLCD.noCursor()
time.sleep(1) # give a sec for system messages to complete
while True:
myLCD.command(
ord(',')) # send the comma to display the frimware version
time.sleep(
0.5
) # Firmware will be displayed for 500ms, so keep re-printing it
def runExample():
print("\nSparkFun Qwiic SerLCD Example 11\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
myLCD.begin() # call this for default settings (no
myLCD.leftToRight()
myLCD.cursor()
time.sleep(1) # give a sec for system messages to complete
thisChar = 'a'
while True:
if thisChar == 'j': # reverse directions at 'm'
myLCD.rightToLeft() # go right for the next letter
if thisChar == 'q': # reverse again at 's'
myLCD.leftToRight() # go left for the next letter
time.sleep(1)
if thisChar > 'z': # reset at 'z'
myLCD.home() # go to (0,0)
myLCD.clearScreen() # clear screen
thisChar = 'a' # start again at 0
myLCD.print(thisChar) # print the character
time.sleep(0.5) # wait a second
thisChar = chr(ord(thisChar) + 1) # increment the letter
def runExample():
print("\nSparkFun SerLCD and 9DoF ICM-20948 Sensor Example\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
IMU = qwiic_icm20948.QwiicIcm20948()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
if IMU.connected == False:
print("The Qwiic ICM20948 device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # Set contrast. Lower to 0 for higher contrast.
myLCD.clearScreen(
) # Clear Screen - this moves the cursor to the home position as well
myLCD.print("white") # Write to color name to SerLCD
time.sleep(0.5) # give a sec for system messages to complete
IMU.begin()
while True:
#declare ledColor a global variable inside here to access it
global ledColor
if IMU.dataReady():
IMU.getAgmt(
) # read all axis and temp from sensor, note this also updates all instance variables
#the following are the threshold values for each axis is pointing right-side up
# anything above IMU.azRaw > 16000 is red
# ledColor = 1
aZPos = 16000
# anything below IMU.azRaw < -16000 is blue
# ledColor = 2
aZNeg = -16000
# anything above IMU.ayRaw > 16100 is green
# ledColor = 3
ayPos = 16100
# anything below IMU.ayRaw < -16000 is green
# ledColor = 4
ayNeg = -16000
# anything above IMU.axRaw > 16000 is magenta
# ledColor = 5
axPos = 16000
# anything below IMU.axRaw < -16400 is cyan
# ledColor = 6
axNeg = -16400
#adjust color of the LED based on the accelerometer's reading
if IMU.azRaw > aZPos:
# Set LED red
myLCD.setBacklight(255, 0, 0) # Set backlight to bright white
ledColor = 1
myLCD.clearScreen()
myLCD.print("red")
elif IMU.azRaw < aZNeg:
# Set LED blue
myLCD.setBacklight(0, 0, 255) # Set backlight to bright white
ledColor = 2
myLCD.clearScreen()
myLCD.print("blue")
elif IMU.ayRaw > ayPos:
# Set LED yellow
myLCD.setBacklight(255, 255,
0) # Set backlight to bright white
ledColor = 3
myLCD.clearScreen()
myLCD.print("yellow")
elif IMU.ayRaw < ayNeg:
# Set LED green
myLCD.setBacklight(0, 255, 0) # Set backlight to bright white
ledColor = 4
myLCD.clearScreen()
myLCD.print("green")
elif IMU.axRaw > axPos:
# Set LED magenta
myLCD.setBacklight(255, 0,
255) # Set backlight to bright white
ledColor = 5
myLCD.clearScreen()
myLCD.print("magenta")
elif IMU.axRaw < axNeg:
# Set LED cyan
myLCD.setBacklight(0, 255,
255) # Set backlight to bright white
ledColor = 6
myLCD.clearScreen()
myLCD.print("cyan")
if ledColor == 1:
print("ledColor = red", '\n', '\n')
elif ledColor == 2:
print("ledColor = blue", '\n', '\n')
elif ledColor == 3:
print("ledColor = yellow", '\n', '\n')
elif ledColor == 4:
print("ledColor = green", '\n', '\n')
elif ledColor == 5:
print("ledColor = magenta", '\n', '\n')
elif ledColor == 6:
print("ledColor = cyan", '\n', '\n')
aX = IMU.axRaw
aY = IMU.ayRaw
aZ = IMU.azRaw
gX = IMU.gxRaw
gY = IMU.gyRaw
gZ = IMU.gzRaw
mX = IMU.mxRaw
mY = IMU.myRaw
mZ = IMU.mzRaw
# Remove the `#` for the following lines to
# display accelerometer readings on SerLCD
#myLCD.setCursor(8,0)
#myLCD.print("aX")
#myLCD.print(str(aX))
#myLCD.setCursor(0,1)
#myLCD.print("aY")
#myLCD.print(str(aY))
#myLCD.setCursor(8,1)
#myLCD.print("aZ")
#myLCD.print(str(aZ))
print(\
' aX:', '{: 4.1f}'.format(aX)\
, ' \t, aY:', '{: 4.1f}'.format(aY)\
, '\t, aZ:', '{: 4.1f}'.format(aZ)\
, '\n gX:', '{: 4.1f}'.format(gX)\
, '\t, gY:', '{: 4.1f}'.format(gY)\
, '\t, gZ:', '{: 4.1f}'.format(gZ)\
, '\n mX:', '{: 4.1f}'.format(mX)\
, '\t, mY:', '{: 4.1f}'.format(mY)\
, '\t, mZ:', '{: 4.1f}'.format(mZ)\
, '\n'\
)
time.sleep(1) # small delay so that the screen doesn't flicker
else:
print("Waiting for data")
time.sleep(0.5)
def runExample():
print("\nSparkFun Qwiic SerLCD Example 2\n")
myLCD = qwiic_serlcd.QwiicSerlcd()
if myLCD.connected == False:
print("The Qwiic SerLCD device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
myLCD.setBacklight(255, 255, 255) # Set backlight to bright white
myLCD.setContrast(5) # set contrast. Lower to 0 for higher contrast.
time.sleep(1) # give a sec for system messages to complete
while True:
myLCD.setBacklight(0, 0, 0) # black is off
myLCD.clearScreen(
) # Clear the display - this moves the cursor to home position as well
myLCD.print("Black (off)")
time.sleep(5)
myLCD.setBacklight(255, 0, 0) # bright red
myLCD.clearScreen()
myLCD.print("Red")
time.sleep(5)
myLCD.setBacklight(0xFF, 0x8C, 0x00) # orange
myLCD.clearScreen()
myLCD.print("Orange")
time.sleep(5)
myLCD.setBacklight(255, 255, 0) # bright yellow
myLCD.clearScreen()
myLCD.print("Yellow")
time.sleep(5)
myLCD.setBacklight(0, 255, 0) # bright green
myLCD.clearScreen()
myLCD.print("Green")
time.sleep(5)
myLCD.setBacklight(0, 0, 255) # bright blue
myLCD.clearScreen()
myLCD.print("Blue")
time.sleep(5)
myLCD.setBacklight(0x4B, 0x00,
0x82) # indigo, a kind of dark purplish blue
myLCD.clearScreen()
myLCD.print("Indigo")
time.sleep(5)
myLCD.setBacklight(0xA0, 0x20, 0xF0) # violet
myLCD.clearScreen()
myLCD.print("Violet")
time.sleep(5)
myLCD.setBacklight(0x80, 0x80, 0x80) # grey
myLCD.clearScreen()
myLCD.print("Grey")
time.sleep(5)
myLCD.setBacklight(255, 255, 255) # bright white
myLCD.clearScreen()
myLCD.print("White")
time.sleep(5)