mirror of https://github.com/ArduPilot/ardupilot
70 lines
1.9 KiB
Python
70 lines
1.9 KiB
Python
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#!/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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