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-rwxr-xr-xstm/boards/make-pins.py261
1 files changed, 0 insertions, 261 deletions
diff --git a/stm/boards/make-pins.py b/stm/boards/make-pins.py
deleted file mode 100755
index 8c1bedbf0c..0000000000
--- a/stm/boards/make-pins.py
+++ /dev/null
@@ -1,261 +0,0 @@
-#!/usr/bin/env python
-"""Creates the pin file for the STM32F4xx."""
-
-from __future__ import print_function
-
-import argparse
-import sys
-import csv
-
-SUPPORTED_FN = {
- 'TIM' : ['CH1', 'CH2', 'CH3', 'CH4',
- 'CH1N', 'CH2N', 'CH3N', 'CH1_ETR', 'ETR', 'BKIN'],
- 'I2C' : ['SDA', 'SCL'],
- 'USART' : ['RX', 'TX', 'CTS', 'RTS', 'CK'],
- 'UART' : ['RX', 'TX', 'CTS', 'RTS'],
- 'SPI' : ['NSS', 'SCK', 'MISO', 'MOSI']
-}
-
-def parse_port_pin(name_str):
- """Parses a string and returns a (port-num, pin-num) tuple."""
- if len(name_str) < 3:
- raise ValueError("Expecting pin name to be at least 3 charcters.")
- if name_str[0] != 'P':
- raise ValueError("Expecting pin name to start with P")
- if name_str[1] < 'A' or name_str[1] > 'J':
- raise ValueError("Expecting pin port to be between A and J")
- port = ord(name_str[1]) - ord('A')
- pin_str = name_str[2:]
- if not pin_str.isdigit():
- raise ValueError("Expecting numeric pin number.")
- return (port, int(pin_str))
-
-def split_name_num(name_num):
- num = None
- for num_idx in range(len(name_num) - 1, -1, -1):
- if not name_num[num_idx].isdigit():
- name = name_num[0:num_idx + 1]
- num_str = name_num[num_idx + 1:]
- if len(num_str) > 0:
- num = int(num_str)
- break
- return name, num
-
-
-class AlternateFunction(object):
- """Holds the information associated with a pins alternate function."""
-
- def __init__(self, idx, af_str):
- self.idx = idx
- self.af_str = af_str
-
- self.func = ''
- self.fn_num = None
- self.pin_type = ''
- self.supported = False
-
- af_words = af_str.split('_', 1)
- self.func, self.fn_num = split_name_num(af_words[0])
- if len(af_words) > 1:
- self.pin_type = af_words[1]
- if self.func in SUPPORTED_FN:
- pin_types = SUPPORTED_FN[self.func]
- if self.pin_type in pin_types:
- self.supported = True
-
- def is_supported(self):
- return self.supported
-
- def ptr(self):
- """Returns the numbered function (i.e. USART6) for this AF."""
- if self.fn_num is None:
- return self.func
- return '{:s}{:d}'.format(self.func, self.fn_num)
-
- def print(self):
- """Prints the C representation of this AF."""
- if self.supported:
- print(' AF', end='')
- else:
- print(' //', end='')
- fn_num = self.fn_num
- if fn_num is None:
- fn_num = 0
- print('({:2d}, {:8s}, {:2d}, {:10s}, {:8s}), // {:s}'.format(self.idx,
- self.func, fn_num, self.pin_type, self.ptr(), self.af_str))
-
-
-class Pin(object):
- """Holds the information associated with a pin."""
-
- def __init__(self, port, pin):
- self.port = port
- self.pin = pin
- self.alt_fn = []
- self.board_name = None
- self.alt_fn_count = 0
-
- def port_letter(self):
- return chr(self.port + ord('A'))
-
- def pin_name(self):
- return '{:s}{:d}'.format(self.port_letter(), self.pin)
-
- def parse_af(self, af_idx, af_strs_in):
- if len(af_strs_in) == 0:
- return
- # If there is a slash, then the slash separates 2 aliases for the
- # same alternate function.
- af_strs = af_strs_in.split('/')
- for af_str in af_strs:
- alt_fn = AlternateFunction(af_idx, af_str)
- self.alt_fn.append(alt_fn)
- if alt_fn.is_supported():
- self.alt_fn_count += 1
-
- def alt_fn_name(self):
- if self.alt_fn_count > 0:
- return 'pin_{:s}_af'.format(self.pin_name())
- return 'NULL'
-
- def print(self):
- if self.alt_fn_count == 0:
- print("// ", end='')
- print('const pin_af_obj_t {:s}[] = {{'.format(self.alt_fn_name()))
- for alt_fn in self.alt_fn:
- alt_fn.print()
- if self.alt_fn_count == 0:
- print("// ", end='')
- print('};')
- print('')
- print('const pin_obj_t pin_{:s} = PIN({:s}, {:d}, {:d}, {:s});'.format(
- self.pin_name(), self.port_letter(), self.pin,
- self.alt_fn_count, self.alt_fn_name()))
- print('')
-
- def print_header(self, hdr_file):
- hdr_file.write('extern const pin_obj_t pin_{:s};\n'.
- format(self.pin_name()))
- if self.alt_fn_count > 0:
- hdr_file.write('extern const pin_af_obj_t pin_{:s}_af[];\n'.
- format(self.pin_name()))
-
-
-class Pins(object):
-
- def __init__(self):
- self.pins = []
- self.board_pins = []
-
- def find_pin(self, port_num, pin_num):
- for pin in self.pins:
- if pin.port == port_num and pin.pin == pin_num:
- return pin
-
- def parse_af_file(self, filename, pinname_col, af_col):
- with open(filename, 'r') as csvfile:
- rows = csv.reader(csvfile)
- for row in rows:
- try:
- (port_num, pin_num) = parse_port_pin(row[pinname_col])
- except:
- continue
- pin = Pin(port_num, pin_num)
- for af_idx in range(af_col, len(row)):
- pin.parse_af(af_idx - af_col, row[af_idx])
- self.pins.append(pin)
-
- def parse_board_file(self, filename):
- with open(filename, 'r') as csvfile:
- rows = csv.reader(csvfile)
- for row in rows:
- try:
- (port_num, pin_num) = parse_port_pin(row[1])
- except:
- continue
- pin = self.find_pin(port_num, pin_num)
- if pin:
- pin.board_name = row[0]
- self.board_pins.append(pin)
-
- def print_named(self, label, pins):
- print('const pin_named_pin_t pin_{:s}_pins[] = {{'.format(label))
- for pin in pins:
- if pin.board_name:
- if label == 'board':
- pin_name = pin.board_name
- else:
- pin_name = pin.pin_name()
- print(' {{ "{:s}", &pin_{:s} }},'.format(pin_name, pin.pin_name()))
- print(' { NULL, NULL }')
- print('};')
-
- def print(self):
- for pin in self.pins:
- if pin.board_name:
- pin.print()
- self.print_named('cpu', self.pins)
- print('')
- self.print_named('board', self.board_pins)
-
- def print_header(self, hdr_filename):
- with open(hdr_filename, 'wt') as hdr_file:
- for pin in self.pins:
- if pin.board_name:
- pin.print_header(hdr_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="stm32f4xx-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="stm32f4xx-prefix.c"
- )
- 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, 1, 2)
-
- 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)
-
-
-if __name__ == "__main__":
- main()
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-06 21:57:43 +0000