circuitpython/ports/renesas-ra/boards/make-pins.py

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#!/usr/bin/env python
"""Creates the pin file for the RAxxx."""
from __future__ import print_function
import argparse
import sys
import csv
class PinAD(object):
def __init__(self, name, cpu_pin_name, pin_idx, bit, channel):
self._name = name
self._cpu_pin_name = cpu_pin_name
self._pin_idx = pin_idx
self._bit = bit
self._channel = channel
def cpu_pin_name(self):
return self._cpu_pin_name
def name(self):
return self._name
def bit(self):
return self._bit
def channel(self):
return self._channel
def print(self):
print(
"const pin_ad_obj_t pin_{:s}_ad_obj = PIN_AD({:s}, {:d}, {:d}, {:d});".format(
self._cpu_pin_name, self._name, self._pin_idx, self._bit, self._channel
)
)
print("")
def print_header(self, hdr_file):
n = self.cpu_pin_name()
hdr_file.write("extern const pin_ad_obj_t pin_{:s}_ad_obj;\n".format(n))
hdr_file.write("#define pin_{:s}_ad (&pin_{:s}_ad_obj)\n".format(n, n))
def qstr_list(self):
return [self._name]
class Pin(object):
def __init__(self, name, port, bit):
self._name = name
self._pin_idx = port * 16 + bit
self._pin_ad = []
self._board_pin = False
# print('// pin_{:s}_obj = PIN({:s}, {:d});'.format(self.name, self.name, self.pin))
def cpu_pin_name(self):
return self._name
def pin_ad(self):
return self._pin_ad
def is_board_pin(self):
return self._board_pin
def set_is_board_pin(self):
self._board_pin = True
def parse_ad(self, ad_str):
ad_bit = 0
ad_channel = 0
if (len(ad_str) == 5) and (ad_str[:3] == "AN0"):
ad_bit = 12
ad_channel = int(ad_str[2:])
self._pin_ad.append(PinAD(ad_str, self._name, self._pin_idx, ad_bit, ad_channel))
elif (len(ad_str) == 5) and (ad_str[:3] == "AN1"):
ad_bit = 12
ad_channel = int(ad_str[2:])
self._pin_ad.append(PinAD(ad_str, self._name, self._pin_idx, ad_bit, ad_channel))
elif ad_str[:2] == "AN":
ad_bit = 8
ad_channel = int(ad_str[2:4])
self._pin_ad.append(PinAD(ad_str, self._name, self._pin_idx, ad_bit, ad_channel))
def print(self):
pin_ad_name = "NULL"
for pin_ad in self._pin_ad:
pin_ad.print()
pin_ad_name = "pin_{:s}_ad".format(pin_ad.cpu_pin_name())
print(
"const machine_pin_obj_t pin_{:s}_obj = PIN({:s}, {:d}, {:s});".format(
self._name, self._name, self._pin_idx, pin_ad_name
)
)
print("")
def print_header(self, hdr_file):
n = self.cpu_pin_name()
hdr_file.write("extern const machine_pin_obj_t pin_{:s}_obj;\n".format(n))
hdr_file.write("#define pin_{:s} (&pin_{:s}_obj)\n".format(n, n))
def qstr_list(self):
result = []
for pin_ad in self._pin_ad:
result += pin_ad.qstr_list()
# for alt_fn in self.alt_fn:
# if alt_fn.is_supported():
# result += alt_fn.qstr_list()
return result
class NamedPin(object):
def __init__(self, name, pin):
self._name = name
self._pin = pin
# print('// NamedPin {:s}'.format(self._name))
def pin(self):
return self._pin
def name(self):
return self._name
class Pins(object):
def __init__(self):
self.cpu_pins = [] # list of NamedPin objects
self.board_pins = [] # list of NamedPin objects
def find_pin(self, cpu_pin_name):
for named_pin in self.cpu_pins:
pin = named_pin.pin()
if pin.cpu_pin_name() == cpu_pin_name:
return pin
# rx63n_al.csv
# cpu_pin_name, cpu_pin_port, cpu_pin_bit
def parse_af_file(self, filename):
with open(filename, "r") as csvfile:
rows = csv.reader(csvfile)
for row in rows:
try:
cpu_pin_name = row[0]
cpu_pin_port = int(row[1])
cpu_pin_bit = int(row[2])
except:
continue
pin = Pin(cpu_pin_name, cpu_pin_port, cpu_pin_bit)
self.cpu_pins.append(NamedPin(cpu_pin_name, pin))
pin.parse_ad(row[3])
# pins.csv
# named_pin, cpu_pin_name
def parse_board_file(self, filename):
with open(filename, "r") as csvfile:
rows = csv.reader(csvfile)
for row in rows:
try:
board_pin_name = row[0]
cpu_pin_name = row[1]
except:
continue
pin = self.find_pin(cpu_pin_name)
if pin:
pin.set_is_board_pin()
self.board_pins.append(NamedPin(board_pin_name, pin))
def print_named(self, label, named_pins):
print(
"STATIC const mp_rom_map_elem_t pin_{:s}_pins_locals_dict_table[] = {{".format(label)
)
for named_pin in named_pins:
pin = named_pin.pin()
if pin.is_board_pin():
print(
" {{ MP_ROM_QSTR(MP_QSTR_{:s}), MP_ROM_PTR(&pin_{:s}_obj) }},".format(
named_pin.name(), pin.cpu_pin_name()
)
)
print("};")
print(
"MP_DEFINE_CONST_DICT(pin_{:s}_pins_locals_dict, pin_{:s}_pins_locals_dict_table);".format(
label, label
)
)
def print(self):
for named_pin in self.cpu_pins:
pin = named_pin.pin()
if pin.is_board_pin():
pin.print()
self.print_named("cpu", self.cpu_pins)
print("")
self.print_named("board", self.board_pins)
def print_header(self, hdr_filename):
with open(hdr_filename, "wt") as hdr_file:
for named_pin in self.cpu_pins:
pin = named_pin.pin()
if pin.is_board_pin():
pin.print_header(hdr_file)
pin_ads = pin.pin_ad()
for pin_ad in pin_ads:
pin_ad.print_header(hdr_file)
# provide #define's mapping board to cpu name
for named_pin in self.board_pins:
hdr_file.write(
"#define pyb_pin_{:s} pin_{:s}\n".format(
named_pin.name(), named_pin.pin().cpu_pin_name()
)
)
def print_qstr(self, qstr_filename):
with open(qstr_filename, "wt") as qstr_file:
qstr_set = set([])
for named_pin in self.cpu_pins:
pin = named_pin.pin()
if pin.is_board_pin():
qstr_set |= set(pin.qstr_list())
qstr_set |= set([named_pin.name()])
for named_pin in self.board_pins:
qstr_set |= set([named_pin.name()])
for qstr in sorted(qstr_set):
cond_var = None
if qstr.startswith("AF"):
af_words = qstr.split("_")
cond_var = conditional_var(af_words[1])
print_conditional_if(cond_var, file=qstr_file)
print("Q({})".format(qstr), file=qstr_file)
# print_conditional_endif(cond_var, file=qstr_file)
def print_ad_hdr(self, ad_const_filename):
with open(ad_const_filename, "wt") as ad_const_file:
for named_pin in self.cpu_pins:
pin = named_pin.pin()
if pin.is_board_pin():
pin_ads = pin.pin_ad()
for pin_ad in pin_ads:
ad_const_file.write(
" {{ MP_ROM_QSTR(MP_QSTR_{:s}), MP_ROM_INT(GPIO_{:s}) }}, \n".format(
pin_ad.name(), pin_ad.name()
)
)
def main():
parser = argparse.ArgumentParser(
prog="make-pins.py",
usage="%(prog)s [options] [command]",
description="Generate board specific pin file",
)
parser.add_argument(
"-a",
"--af",
dest="af_filename",
help="Specifies the alternate function file for the chip",
default="ra4m1_af.csv",
)
parser.add_argument(
"-b", "--board", dest="board_filename", help="Specifies the board file", default="pins.csv"
)
parser.add_argument(
"-p",
"--prefix",
dest="prefix_filename",
help="Specifies beginning portion of generated pins file",
default="ra4m1_prefix.c",
)
parser.add_argument(
"--ad-const",
dest="ad_const_filename",
help="Specifies header file for AD function constants.",
default="build/pins_ad_const.h",
)
parser.add_argument(
"--af-const",
dest="af_const_filename",
help="Specifies header file for alternate function constants.",
default="build/pins_af_const.h",
)
parser.add_argument(
"--af-py",
dest="af_py_filename",
help="Specifies the filename for the python alternate function mappings.",
default="build/pins_af.py",
)
parser.add_argument(
"--af-defs",
dest="af_defs_filename",
help="Specifies the filename for the alternate function defines.",
default="build/pins_af_defs.h",
)
parser.add_argument(
"-q",
"--qstr",
dest="qstr_filename",
help="Specifies name of generated qstr header file",
default="build/pins_qstr.h",
)
parser.add_argument(
"-r",
"--hdr",
dest="hdr_filename",
help="Specifies name of generated pin header file",
default="build/pins.h",
)
args = parser.parse_args(sys.argv[1:])
pins = Pins()
print("// This file was automatically generated by make-pins.py")
print("//")
if args.af_filename:
print("// --af {:s}".format(args.af_filename))
pins.parse_af_file(args.af_filename)
if args.board_filename:
print("// --board {:s}".format(args.board_filename))
pins.parse_board_file(args.board_filename)
if args.prefix_filename:
print("// --prefix {:s}".format(args.prefix_filename))
print("")
with open(args.prefix_filename, "r") as prefix_file:
print(prefix_file.read())
pins.print()
pins.print_header(args.hdr_filename)
pins.print_qstr(args.qstr_filename)
pins.print_ad_hdr(args.ad_const_filename)
if __name__ == "__main__":
main()