Added python script to map AF to a pin name

Added some functions to Pin class to query mode, pull, and af

1 files changed, 18 insertions, 0 deletions

diff --git a/stmhal/boards/make-pins.py b/stmhal/boards/make-pins.py
index cc580f7cd7..44da266ae1 100755
--- a/stmhal/boards/make-pins.py
+++ b/stmhal/boards/make-pins.py
@@ -315,6 +315,17 @@ class Pins(object):
                 print('    { %-*s %s },' % (mux_name_width + 26, key, val),
                       file=af_const_file)
 
+    def print_af_py(self, af_py_filename):
+        with open(af_py_filename,  'wt') as af_py_file:
+            print('PINS_AF = (', file=af_py_file);
+            for named_pin in self.board_pins:
+                print("  ('%s', " % named_pin.name(), end='', file=af_py_file)
+                for af in named_pin.pin().alt_fn:
+                    if af.is_supported():
+                        print("(%d, '%s'), " % (af.idx, af.af_str), end='', file=af_py_file)
+                print('),', file=af_py_file)
+            print(')',  file=af_py_file)
+
 
 def main():
     parser = argparse.ArgumentParser(
@@ -335,6 +346,12 @@ def main():
         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(
         "-b", "--board",
         dest="board_filename",
         help="Specifies the board file",
@@ -383,6 +400,7 @@ def main():
     pins.print_header(args.hdr_filename)
     pins.print_qstr(args.qstr_filename)
     pins.print_af_hdr(args.af_const_filename)
+    pins.print_af_py(args.af_py_filename)
 
 
 if __name__ == "__main__":