366c801b35
It now prints lines like:
Pin("D9", mode=IN, pull=PULL_UP, GPIO=PA07)
or
LED("LED")
showing for consistency the names as given in pins.csv. For pins, the GPIO
numer is printed as well for a reference.
129 lines
4.0 KiB
Python
129 lines
4.0 KiB
Python
#!/usr/bin/env python
|
|
"""Generates the pins file for the SAMD port."""
|
|
|
|
from __future__ import print_function
|
|
|
|
import argparse
|
|
import sys
|
|
import csv
|
|
|
|
pins_header_prefix = """// This file was automatically generated by make-pins.py
|
|
//
|
|
typedef struct _machine_pin_obj_t {
|
|
mp_obj_base_t base;
|
|
uint32_t id;
|
|
char *name;
|
|
} machine_pin_obj_t;
|
|
|
|
int pin_find(mp_obj_t pin, const machine_pin_obj_t machine_pin_obj[], int table_size);
|
|
|
|
"""
|
|
|
|
led_header_prefix = """typedef struct _machine_led_obj_t {
|
|
mp_obj_base_t base;
|
|
uint32_t id;
|
|
char *name;
|
|
} machine_led_obj_t;
|
|
|
|
"""
|
|
|
|
|
|
class Pins:
|
|
def __init__(self):
|
|
self.board_pins = [] # list of pin objects
|
|
self.board_leds = [] # list of led objects
|
|
|
|
def parse_csv_file(self, filename):
|
|
with open(filename, "r") as csvfile:
|
|
rows = csv.reader(csvfile, skipinitialspace=True)
|
|
for row in rows:
|
|
# Pin numbers must start with "PIN_"
|
|
# LED numbers must start with "LED_"
|
|
if len(row) > 0:
|
|
if row[0].startswith("PIN_"):
|
|
if len(row) == 1:
|
|
self.board_pins.append([row[0], row[0][4:]])
|
|
else:
|
|
self.board_pins.append([row[0], row[1]])
|
|
elif row[0].startswith("LED_"):
|
|
self.board_leds.append(["PIN_" + row[0][4:], row[1]])
|
|
elif row[0].startswith("-"):
|
|
self.board_pins.append(["-1", ""])
|
|
|
|
def print_pins(self, pins_filename):
|
|
with open(pins_filename, "wt") as pins_file:
|
|
pins_file.write("// This file was automatically generated by make-pins.py\n")
|
|
pins_file.write("//\n")
|
|
pins_file.write('#include "modmachine.h"\n')
|
|
pins_file.write('#include "sam.h"\n')
|
|
pins_file.write('#include "pins.h"\n\n')
|
|
|
|
pins_file.write("const machine_pin_obj_t machine_pin_obj[] = {\n")
|
|
for pin in self.board_pins:
|
|
pins_file.write(" {{&machine_pin_type}, ")
|
|
pins_file.write(pin[0] + ', "' + pin[1])
|
|
pins_file.write('"},\n')
|
|
pins_file.write("};\n")
|
|
|
|
if self.board_leds:
|
|
pins_file.write("\nconst machine_led_obj_t machine_led_obj[] = {\n")
|
|
for pin in self.board_leds:
|
|
pins_file.write(" {{&machine_led_type}, ")
|
|
pins_file.write(pin[0] + ', "' + pin[1])
|
|
pins_file.write('"},\n')
|
|
pins_file.write("};\n")
|
|
|
|
def print_header(self, hdr_filename):
|
|
with open(hdr_filename, "wt") as hdr_file:
|
|
hdr_file.write(pins_header_prefix)
|
|
if self.board_leds:
|
|
hdr_file.write(led_header_prefix)
|
|
hdr_file.write(
|
|
"extern const machine_pin_obj_t machine_pin_obj[%d];\n" % len(self.board_pins)
|
|
)
|
|
if self.board_leds:
|
|
hdr_file.write(
|
|
"extern const machine_led_obj_t machine_led_obj[%d];\n" % len(self.board_leds)
|
|
)
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(
|
|
prog="make-pins.py",
|
|
usage="%(prog)s [options] [command]",
|
|
description="Generate board specific pin file",
|
|
)
|
|
parser.add_argument(
|
|
"-b",
|
|
"--board",
|
|
dest="csv_filename",
|
|
help="Specifies the pins.csv filename",
|
|
)
|
|
parser.add_argument(
|
|
"-p",
|
|
"--pins",
|
|
dest="pins_filename",
|
|
help="Specifies the name of the generated pins.c file",
|
|
)
|
|
parser.add_argument(
|
|
"-i",
|
|
"--inc",
|
|
dest="hdr_filename",
|
|
help="Specifies name of generated pin header file",
|
|
)
|
|
args = parser.parse_args(sys.argv[1:])
|
|
|
|
pins = Pins()
|
|
|
|
if args.csv_filename:
|
|
pins.parse_csv_file(args.csv_filename)
|
|
|
|
if args.pins_filename:
|
|
pins.print_pins(args.pins_filename)
|
|
|
|
pins.print_header(args.hdr_filename)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|