stm32f4-nucleo-test/libopencm3/scripts/data/lpc43xx/gen.py

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#!/usr/bin/env python2
import sys
import yaml
registers = yaml.load(open(sys.argv[1], 'r'))
for register_name, register in registers.iteritems():
print('/* --- %s values %s */' % (register_name, '-' * (50 - len(register_name))))
print
fields = register['fields']
#for field_name, field in sorted(fields.items(), lambda x, y: cmp(x[1]['lsb'], y[1]['lsb'])):
for field_name, field in fields.items():
mask_bits = (1 << field['width']) - 1
print('/* %s: %s */' % (field_name, field['description']))
print('#define %s_%s_SHIFT (%d)' % (
register_name, field_name, field['lsb'],
))
print('#define %s_%s_MASK (0x%x << %s_%s_SHIFT)' % (
register_name, field_name, mask_bits, register_name, field_name,
))
print('#define %s_%s(x) ((x) << %s_%s_SHIFT)' % (
register_name, field_name, register_name, field_name,
))
print