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69 lines
1.9 KiB
69 lines
1.9 KiB
#!/usr/bin/env python |
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''' |
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create additional functions ADC table, used for mapping analog pins to ADC channel numbers |
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Currently only extracts ADC1 channels |
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This assumes a csv file extracted from the datasheet using tablula: |
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https://github.com/tabulapdf/tabula |
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''' |
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import sys, csv, os |
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def is_pin(str): |
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'''see if a string is a valid pin name''' |
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if len(str) < 3: |
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return False |
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if str[0] != 'P': |
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return False |
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if str[1] not in "ABCDEFGH": |
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return False |
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try: |
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p = int(str[2:]) |
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if p < 0 or p > 15: |
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return False |
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return True |
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except ValueError: |
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return False |
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def parse_adc_table(fname, table): |
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csvt = csv.reader(open(fname,'rb')) |
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i = 0 |
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for row in csvt: |
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for col in row: |
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if is_pin(col) and row[-1].startswith('ADC1'): |
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chan = row[-1] |
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chan = chan.replace('\r', '') |
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chan = chan.replace(' ', '') |
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chan = chan.split('/') |
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chan = chan[0] |
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chan = chan.split(',') |
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chan = chan[0] |
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a = chan.split('_') |
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if len(a) != 2: |
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continue |
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chan_num = a[1] |
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if chan_num.startswith('IN'): |
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chan_num = chan_num[2:] |
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try: |
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chan_num = int(chan_num) |
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except Exception: |
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continue |
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table[col] = chan_num |
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table = {} |
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if len(sys.argv) != 2: |
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print("Error: expected 1 CSV file") |
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sys.exit(1) |
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parse_adc_table(sys.argv[1], table) |
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sys.stdout.write("ADC1_map = {\n"); |
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sys.stdout.write('\t# format is PIN : ADC1_CHAN\n') |
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sys.stdout.write('\t# extracted from %s\n' % os.path.basename(sys.argv[1])) |
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for k in sorted(table.keys()): |
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s = '"' + k + '"' |
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sys.stdout.write('\t%-4s\t:\t%s,\n' % (s, table[k])) |
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sys.stdout.write("}\n");
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