gpio Namespace Reference

Functions
	config ()
	output_json ()
	parse_args (raw_args)

Variables
	register_data = dict([('pin', 0), ('output', 0)])

Function Documentation

config()

gpio.config

(

)

Configure the port mode

Definition at line 174 of file gpio.py.

def config():
    """Configure the port mode"""
    GPIO.setmode(GPIO.BCM)
    GPIO.setwarnings(False)
 
    if (register_data['output'] == -1):
        GPIO.setup(register_data['pin'], GPIO.IN)
        print(GPIO.input(register_data['pin']))
 
    if (register_data['output'] != -1):
        GPIO.setup(register_data['pin'], GPIO.OUT)
        GPIO.output(register_data['pin'], register_data['output'])
 
 
# Convert CLI options to register_data.

output_json()

gpio.output_json

(

)

Prints a JSON of the register_data for development and testing.

Definition at line 130 of file gpio.py.

def output_json():
    """Prints a JSON of the register_data for development and testing."""
    print(json.dumps(register_data, sort_keys=True, indent=4))
 
 

parse_args()

gpio.parse_args

(

raw_args

)

Parses the args into ready to write register_data.

Definition at line 135 of file gpio.py.

def parse_args(raw_args):
    """Parses the args into ready to write register_data."""
    # First parse the CLI.
    parser = argparse.ArgumentParser()
    parser.add_argument("--pin", type=str, default="P22",
                        help="Pin: P22, P23, P24, P25 default P22")
    parser.add_argument("--output", type=str, default="-1",
                        help="Providing this puts the pin in output mode instead of input mode.  Output: 0, 1")
    parser.add_argument("-t", "--test", action="store_true",
                        help="Print JSON of register_data")
    args = parser.parse_args(raw_args)
 
    # Process pin selection
    register_data['pin'] = 6
    if (args.pin == 'P22'):
        register_data['pin'] = 6
    if (args.pin == 'P23'):
        register_data['pin'] = 13
    if (args.pin == 'P24'):
        register_data['pin'] = 19
    if (args.pin == 'P25'):
        register_data['pin'] = 26
 
    # Process output, which also selects input or output mode
    register_data['output'] = -1
    if (args.output == '0'):
        register_data['output'] = 0
    if (args.output == '1'):
        register_data['output'] = 1
 
    # Optionally output register state for development purposes.
    if args.test:
        output_json()
        exit()
 
 
# Functions that read or write device
 
 

Variable Documentation

register_data

gpio.register_data = dict([('pin', 0), ('output', 0)])

Definition at line 124 of file gpio.py.