pin_parser.py

#/usr/bin/env python3

import csv

class Pin(object):
    def __init__(self, name, number):
        self.name = name
        if self.name.startswith('P'):
            x = self.name.split('_')
            self.port = x[0].strip('P')
            self.pin = x[1]
        else:
            self.port = ''
            self.pin = ''
        self.number = number
        self.functions = []

    def add_function(self, function):
        self.functions.append(function)

    def __repr__(self):
        return '%s %s\n%s %s %s' % (self.port, self.pin, self.name, self.number, self.functions)


if __name__ == "__main__":
    with open('lpc43xx_pins.csv', 'r') as f:
        reader = csv.reader(f)

        pins = []
        current_pin = None
        for line in reader:
            if len(line)>=5 and line[0]:
                if line[4] not in ('', '-'):
                    try:
                        pin_number = int(line[4])
                    except:
                        # Not a numbered pin - so not on the part we care about
                        current_pin = None
                        next
                    current_pin = Pin(line[0], pin_number)
                    pins.append(current_pin)
                else:
                    current_pin = None
            if len(line) >= 9 and line[8] and current_pin:
                func_name = line[8].split('—')[0].strip()
                if func_name == 'R':
                    func_name = '*'
                pins[-1].add_function(func_name)
        y = []
        for p in pins:
            y.append((p.number, p.name, p))
        y.sort()
        for num, name, p in y:
            print(p)
            print()