def callback_function(gpio_pin, trigger):
print("Interrupt occured...")
led = iot_hw.gpio(
iot_hw.gpio_pin.GPIO_LED_BLUE) # Allocate Blue LED GPIO pin
led.set_dir(iot_hw.gpio_direction.GPIO_DIR_OUTPUT
) # Set Blue LED GPIO pin to "output"
led.write(iot_hw.gpio_level.GPIO_LEVEL_HIGH) # Turn on Blue LED
led.close()
return 0
def test_leds():
print('Test LEDs')
#leds = {"Red":iot_hw.gpio_pin.GPIO_LED_RED, "Green":iot_hw.gpio_pin.GPIO_LED_GREEN, "Blue":iot_hw.gpio_pin.GPIO_LED_BLUE}
leds = {
"Blue": iot_hw.gpio_pin.GPIO_LED_BLUE,
"Pmod95": iot_hw.gpio_pin.GPIO_PIN_95
}
for key in leds:
myled = iot_hw.gpio(leds[key])
myled.set_dir(iot_hw.gpio_direction.GPIO_DIR_OUTPUT)
print(' {} on'.format(key))
myled.write(iot_hw.gpio_level.GPIO_LEVEL_HIGH)
time.sleep(1)
print(' {} off'.format(key))
myled.write(iot_hw.gpio_level.GPIO_LEVEL_LOW)
time.sleep(1)
myled.close()
def Blink_GPIO():
print('\nBlink PMOD GPIO 95')
leds = {"Pmod95": iot_hw.gpio_pin.GPIO_PIN_95} # List of GPIOs to toggle
myled = 0 # Object returned from GPIO open API
for key in leds: # Sequence through all GPIO in 'leds' list
myled = iot_hw.gpio(leds[key]) # Open each GPIO key
myled.set_dir(
iot_hw.gpio_direction.GPIO_DIR_OUTPUT) # Set direction to output
print(' {} on'.format(key))
myled.write(iot_hw.gpio_level.GPIO_LEVEL_HIGH) # Set GPIO high
time.sleep(0.5) # Sleep for 1/2 second
print(' {} off'.format(key))
myled.write(iot_hw.gpio_level.GPIO_LEVEL_LOW) # Set GPIO low
time.sleep(0.5) # Sleep for 1/2 second
myled.close() # Close the driver for that GPIO key
# A callback function that will turn on the blue LED
def callback_function(gpio_pin, trigger):
print("Interrupt occured...")
led = iot_hw.gpio(
iot_hw.gpio_pin.GPIO_LED_BLUE) # Allocate Blue LED GPIO pin
led.set_dir(iot_hw.gpio_direction.GPIO_DIR_OUTPUT
) # Set Blue LED GPIO pin to "output"
led.write(iot_hw.gpio_level.GPIO_LEVEL_HIGH) # Turn on Blue LED
led.close()
return 0
print("Starting up...")
button = iot_hw.gpio(
iot_hw.gpio_pin.GPIO_PIN_98) # Allocate User Button GPIO pin
button.set_dir(
iot_hw.gpio_direction.GPIO_DIR_INPUT) # Configure User BUtton as "input"
button.interrupt_request(
iot_hw.gpio_irq_trig.
GPIO_IRQ_TRIG_FALLING, # Trigger interrupt when pressing down on button
callback_function
) # Run callback_function() after the interrupt is generated
print("Ready to sleep...")
time.sleep(30) # Sleep for 30 seconds
# Press the button here, during the 30 second wait
print("Freeing resources...")
button.interrupt_free() # Turn off button interrupt and free IRQ resources
button.close() # Free up User Button's GPIO pin
import iot_hw import time # Initialize all LEDs red_led = iot_hw.gpio(iot_hw.gpio_pin.GPIO_LED_RED) red_led.set_dir(iot_hw.gpio_direction.GPIO_DIR_OUTPUT) green_led = iot_hw.gpio(iot_hw.gpio_pin.GPIO_LED_GREEN) green_led.set_dir(iot_hw.gpio_direction.GPIO_DIR_OUTPUT) blue_led = iot_hw.gpio(iot_hw.gpio_pin.GPIO_LED_BLUE) blue_led.set_dir(iot_hw.gpio_direction.GPIO_DIR_OUTPUT) # Cycle all LEDs on and off # Red on red_led.write(iot_hw.gpio_level.GPIO_LEVEL_HIGH) time.sleep(1) # Green on, Red off green_led.write(iot_hw.gpio_level.GPIO_LEVEL_HIGH) red_led.write(iot_hw.gpio_level.GPIO_LEVEL_LOW) time.sleep(1) # Blue on, Green off blue_led.write(iot_hw.gpio_level.GPIO_LEVEL_HIGH) green_led.write(iot_hw.gpio_level.GPIO_LEVEL_LOW) time.sleep(1) # Red on (Purple) red_led.write(iot_hw.gpio_level.GPIO_LEVEL_HIGH)
if button_held >= 3:
loop = False # Change while loop's exit condition since button was held long enough
print(
"Exiting... because button was held down for more than 3 seconds ("
+ str(button_held) + " to be exact)\n")
else:
print("Button was held down for " + str(button_held) +
" seconds\n")
return 0
# Main code starts here
print("\nStarting up... please wait")
led = iot_hw.gpio(iot_hw.gpio_pin.GPIO_LED_BLUE) # Allocate Blue LED GPIO pin
led.set_dir(
iot_hw.gpio_direction.GPIO_DIR_OUTPUT) # Set Blue LED GPIO pin to "output"
led.write(iot_hw.gpio_level.GPIO_LEVEL_LOW) # Turn off Blue LED
button = iot_hw.gpio(
iot_hw.gpio_pin.GPIO_PIN_98) # Allocate User Button GPIO pin
button.set_dir(
iot_hw.gpio_direction.GPIO_DIR_INPUT) # Configure User BUtton as "input"
button.interrupt_request(
iot_hw.gpio_irq_trig.
GPIO_IRQ_TRIG_BOTH, # Trigger interrupt when pressing down on button
my_callback_fcn) # Run my_callback_fcn() after the interrupt is generated
w = wwan() # Create instances of WWAN LED class and set equal to 'w'
w.off() # Turn off WWAN LED
TWILIO_URL = r'https://api.twilio.com/2010-04-01/Accounts//Messages.json'
TWILIO_SID = r'ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
TWILIO_AUTH = r'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
SMS_FROM = r'+12165551212'
SMS_TO = r'+12145551212'
#### Setup the MAL and data connection ########################################
network_handler = iot_mal.network() # Connect to MAL.network
network_handler.set_connection_mode(
1, # Mode: 0 - Always, 1 - On-demand
10, # On-demand Timeout: Disconnect in mins if no access
2) # Manual Mode: 0 - Disconnect, 1 - Connect (Always/on-demand),
# 2 - Connect once
#### Initialize the GPIO connected to the SK2 User Button #####################
button = iot_hw.gpio(iot_hw.gpio_pin.GPIO_USER_BUTTON)
button.set_dir(iot_hw.gpio_direction.GPIO_DIR_INPUT)
if button.read():
button_state = 'up'
else:
button_state = 'down'
data = 'Body="button": ' + button_state
curl_url = " " + TWILIO_URL + "/" + TWILIO_SID + "/Messages.json"
curl_cmd = " -X POST"
curl_to = " --data-urlencode 'To=" + SMS_TO + "'"
curl_from = " --data-urlencode 'From=" + SMS_FROM + "'"
curl_data = " --data-urlencode '" + data + "'"
curl_auth = " -u " + TWILIO_SID + ":" + TWILIO_AUTH
#red_led_blink.py import time # Needed for time.sleep() function import iot_hw # Allows access to SK2 hardware resources # Define 'ON' and 'OFF' ON = iot_hw.gpio_level.GPIO_LEVEL_HIGH OFF = iot_hw.gpio_level.GPIO_LEVEL_LOW # Allocate and configure GPIO as output for Red LED red_led = iot_hw.gpio(iot_hw.gpio_pin.GPIO_LED_RED) red_led.set_dir(iot_hw.gpio_direction.GPIO_DIR_OUTPUT) # Red on red_led.write(ON) time.sleep(1) # Red off red_led.write(OFF) # Release Red LED resource red_led.close()