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########################################################################
## Parse the LMS7002M register map (text dump from pdf)
## and create usable C structures and enum definitions
########################################################################
import sys
import os
import re
import json
from functools import reduce
from Cheetah.Template import Template
def get_name(reg, field_name, category):
#TODO optional reg[name]
reg_name = reg['addr'].upper()
field = reg['fields'][field_name]
return 'LMS7002_' + category.upper() + '_' + field_name.upper()
#return 'LMS7002_' + field_name.upper()
def get_name_off(reg, field_name, category):
return get_name(reg, field_name, category) + "_OFF";
def get_name_msk(reg, field_name, category):
return get_name(reg, field_name, category) + "_MSK";
def get_default(reg):
if 'default' in reg:
return hex(eval('0b'+reg['default'].replace(' ', '')))
return 0
def get_options(reg, field_name):
field = reg['fields'][field_name]
if 'options' in field:
return [(('%s_%s'%(get_name(reg, field_name, "OPT"), k)).upper(), v) for k,v in sorted(iter(field['options'].items()), key=lambda x:x[1])]
return None
def get_shift_mask(reg, field_name):
field = reg['fields'][field_name]
bits = field['bits']
if ':' in bits:
low, high = sorted([int(x) for x in bits.split(':')])
assert(low >= 0)
assert(high < 16)
mask = hex(eval('0b'+('1'*(high-low+1))))
return low, mask
return int(bits), "0x1"
def sorted_field_keys(reg):
return reversed(sorted(reg['fields'].keys(), key=lambda x: [int(x) for x in reg['fields'][x]['bits'].split(':')][0]))
def sorted_field_keys_str(reg):
return reduce(lambda x, y: str(x) + ", " + str(y), sorted_field_keys(reg))
HEAD="""
/* LMS7002 definitions for HOST/MCU operations */
#ifndef LMS7002M_DEFS_H
#define LMS7002M_DEFS_H
/* Auto generated file, DO NOT MODIFY */
"""
TMPL="""
/*************************************
* $category configuration registers
*************************************/
#for $reg in $regs
enum lms7002m_reg_$reg.addr {
#for $field_name in $sorted_field_keys($reg)
#set $shift, $mask = $get_shift_mask($reg, $field_name)
$get_name_off($reg, $field_name, $category) = $shift,
#if $mask != "0x1"
$get_name_msk($reg, $field_name, $category) = $mask,
#end if
#end for
};
\#define MAKE_LMS7002_${reg.addr}( $sorted_field_keys_str($reg) ) ( \\
#for $field_name in $sorted_field_keys($reg)
#set $shift, $mask = $get_shift_mask($reg, $field_name)
(((${field_name}) & ${mask}) << ${shift}) | \\
#end for
(${reg.addr}0000 | 0x80000000))
#for $field_name in $sorted_field_keys($reg)
#set $shift, $mask = $get_shift_mask($reg, $field_name)
\#define GET_LMS7002_${category}_${field_name}(r) (((r) >> $shift ) & $mask)
#end for
#end for
"""
ALLTMPL="""
#for $reg in $regs
#for $field_name in $sorted_field_keys($reg):
#if $get_options($reg, $field_name)
#for $k,$v in $get_options($reg, $field_name)
\#define $k ${v}u
#end for;
#end if
#end for
#end for
/* All known registers */
enum lms7002_regs {
#for $reg in $regs
LMS7002M_$reg.addr = $reg.addr,
#end for
};
/* All indexed registers (to store whole state) */
enum lms7002_reg_idxs {
#set $idx = 0
#for $reg in $regs
LMS7002M_IDX_$reg.addr = $idx,
#set $idx = $idx + 1
#end for
LMS7002M_IDX_COUNT = $idx
};
#endif /* LMS7002M_DEFS_H */
"""
if __name__ == '__main__':
print(HEAD)
regs = list()
for arg in sys.argv[1:]:
if arg.endswith('defaults.json'):
continue
else:
rg = json.loads(open(arg).read())
rg = dict([(r['addr'].lower(), r) for r in rg])
#sort registers back into list
rg = sorted(rg.values(), key=lambda x: eval(x['addr']))
regs.extend(rg)
code = str(Template(TMPL, dict(
regs=rg,
category=os.path.basename(arg).split(".")[0].upper(),
get_name_off=get_name_off,
get_name_msk=get_name_msk,
get_default=get_default,
get_options=get_options,
get_shift_mask=get_shift_mask,
sorted_field_keys=sorted_field_keys,
sorted_field_keys_str=sorted_field_keys_str,
)))
print(code)
regs = dict([(r['addr'].lower(), r) for r in regs])
#sort registers back into list
regs= sorted(regs.values(), key=lambda x: eval(x['addr']))
code = str(Template(ALLTMPL, dict(
regs=regs,
get_name_off=get_name_off,
get_name_msk=get_name_msk,
get_default=get_default,
get_options=get_options,
get_shift_mask=get_shift_mask,
sorted_field_keys=sorted_field_keys,
sorted_field_keys_str=sorted_field_keys_str,
)))
print(code)
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