add hil_ci_set_matrix.py, starting to support hil with additional build flags

test/hil/hil_ci_set_matrix.py

@@ -0,0 +1,42 @@
+import argparse
+import json
+import os
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('config_file', help='Configuration JSON file')
+    args = parser.parse_args()
+
+    config_file = args.config_file
+
+    # if config file is not found, try to find it in the same directory as this script
+    if not os.path.exists(config_file):
+        config_file = os.path.join(os.path.dirname(__file__), config_file)
+    with open(config_file) as f:
+        config = json.load(f)
+
+    matrix = {
+        'arm-gcc': [],
+        'esp-idf': []
+    }
+    for board in config['boards']:
+        name = board['name']
+        if board['flasher'] == 'esptool':
+            toolchain = 'esp-idf'
+        else:
+            toolchain = 'arm-gcc'
+
+        if 'build_flags_on' in board:
+            for f in board['build_flags_on']:
+                if f == '':
+                    matrix[toolchain].append(f'-b {name}')
+                else:
+                    matrix[toolchain].append(f'-b {name}-{f.replace(" ", "_")}')
+        else:
+            matrix[toolchain].append(f'-b {name}')
+
+    print(json.dumps(matrix))
+
+
+if __name__ == '__main__':
+    main()