007878781c
This is how the names will be printed on the sticker that goes on top of the EMI shield. The shorter names also help saving a few bytes of RAM and ROM.
190 lines
6.1 KiB
Python
190 lines
6.1 KiB
Python
#!/usr/bin/env python
|
|
"""Generates the pins files for the CC3200."""
|
|
|
|
from __future__ import print_function
|
|
|
|
import argparse
|
|
import sys
|
|
import csv
|
|
|
|
|
|
def parse_port_pin(name_str):
|
|
"""Parses a string and returns a (port, gpio_bit) tuple."""
|
|
if len(name_str) < 3:
|
|
raise ValueError("Expecting pin name to be at least 3 characters")
|
|
if name_str[:2] != 'GP':
|
|
raise ValueError("Expecting pin name to start with GP")
|
|
if not name_str[2:].isdigit():
|
|
raise ValueError("Expecting numeric GPIO number")
|
|
port = int(int(name_str[2:]) / 8)
|
|
gpio_bit = 1 << int(int(name_str[2:]) % 8)
|
|
return (port, gpio_bit)
|
|
|
|
|
|
class Pin(object):
|
|
"""Holds the information associated with a pin."""
|
|
def __init__(self, name, port, gpio_bit, pin_num):
|
|
self.name = name
|
|
self.port = port
|
|
self.gpio_bit = gpio_bit
|
|
self.pin_num = pin_num
|
|
self.board_pin = False
|
|
|
|
def cpu_pin_name(self):
|
|
return self.name
|
|
|
|
def is_board_pin(self):
|
|
return self.board_pin
|
|
|
|
def set_is_board_pin(self):
|
|
self.board_pin = True
|
|
|
|
def print(self):
|
|
print('pin_obj_t pin_{:6s} = PIN({:6s}, {:1d}, {:3d}, {:2d});'.format(
|
|
self.name, self.name, self.port, self.gpio_bit, self.pin_num))
|
|
|
|
def print_header(self, hdr_file):
|
|
hdr_file.write('extern pin_obj_t pin_{:s};\n'.format(self.name))
|
|
|
|
|
|
class Pins(object):
|
|
|
|
def __init__(self):
|
|
self.cpu_pins = [] # list of pin objects
|
|
|
|
def find_pin(self, port, gpio_bit):
|
|
for pin in self.cpu_pins:
|
|
if pin.port == port and pin.gpio_bit == gpio_bit:
|
|
return pin
|
|
|
|
def find_pin_by_num(self, pin_num):
|
|
for pin in self.cpu_pins:
|
|
if pin.pin_num == pin_num:
|
|
return pin
|
|
|
|
def find_pin_by_name(self, name):
|
|
for pin in self.cpu_pins:
|
|
if pin.name == name:
|
|
return pin
|
|
|
|
def parse_af_file(self, filename, pin_col, pinname_col):
|
|
with open(filename, 'r') as csvfile:
|
|
rows = csv.reader(csvfile)
|
|
for row in rows:
|
|
try:
|
|
(port_num, gpio_bit) = parse_port_pin(row[pinname_col])
|
|
except:
|
|
continue
|
|
if not row[pin_col].isdigit():
|
|
raise ValueError("Invalid pin number: {:s} in row {:s}".format(row[pin_col]), row)
|
|
# Pin numbers must start from 0 when used with the TI API
|
|
pin_num = int(row[pin_col]) - 1;
|
|
pin = Pin(row[pinname_col], port_num, gpio_bit, pin_num)
|
|
self.cpu_pins.append(pin)
|
|
|
|
def parse_board_file(self, filename, cpu_pin_col):
|
|
with open(filename, 'r') as csvfile:
|
|
rows = csv.reader(csvfile)
|
|
for row in rows:
|
|
# Pin numbers must start from 0 when used with the TI API
|
|
if row[cpu_pin_col].isdigit():
|
|
pin = self.find_pin_by_num(int(row[cpu_pin_col]) - 1)
|
|
else:
|
|
pin = self.find_pin_by_name(row[cpu_pin_col])
|
|
if pin:
|
|
pin.set_is_board_pin()
|
|
|
|
def print_named(self, label, pins):
|
|
print('')
|
|
print('STATIC const mp_map_elem_t pin_{:s}_pins_locals_dict_table[] = {{'.format(label))
|
|
for pin in pins:
|
|
if pin.is_board_pin():
|
|
print(' {{ MP_OBJ_NEW_QSTR(MP_QSTR_{:6s}), (mp_obj_t)&pin_{:6s} }},'.format(pin.cpu_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 pin in self.cpu_pins:
|
|
if pin.is_board_pin():
|
|
pin.print()
|
|
self.print_named('cpu', self.cpu_pins)
|
|
print('')
|
|
|
|
def print_header(self, hdr_filename):
|
|
with open(hdr_filename, 'wt') as hdr_file:
|
|
for pin in self.cpu_pins:
|
|
if pin.is_board_pin():
|
|
pin.print_header(hdr_file)
|
|
|
|
def print_qstr(self, qstr_filename):
|
|
with open(qstr_filename, 'wt') as qstr_file:
|
|
qstr_set = set([])
|
|
for pin in self.cpu_pins:
|
|
if pin.is_board_pin():
|
|
qstr_set |= set([pin.cpu_pin_name()])
|
|
for qstr in sorted(qstr_set):
|
|
print('Q({})'.format(qstr), file=qstr_file)
|
|
|
|
|
|
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="cc3200_af.csv"
|
|
)
|
|
parser.add_argument(
|
|
"-b", "--board",
|
|
dest="board_filename",
|
|
help="Specifies the board file",
|
|
)
|
|
parser.add_argument(
|
|
"-p", "--prefix",
|
|
dest="prefix_filename",
|
|
help="Specifies beginning portion of generated pins file",
|
|
default="cc3200_prefix.c"
|
|
)
|
|
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, 0, 1)
|
|
|
|
if args.board_filename:
|
|
print('// --board {:s}'.format(args.board_filename))
|
|
pins.parse_board_file(args.board_filename, 1)
|
|
|
|
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_qstr(args.qstr_filename)
|
|
pins.print_header(args.hdr_filename)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|