FIX: fix Python output file location

tests/CMakeLists.txt

@@ -92,7 +92,7 @@ add_executable(symmetric symmetric.c)
 # Add custom command to generate spiflash.img from spiflash.py
 add_custom_command(
     OUTPUT ${CMAKE_BINARY_DIR}/spiflash.img
-    COMMAND python3 ${CMAKE_SOURCE_DIR}/spiflash.py
+    COMMAND python3 ${CMAKE_SOURCE_DIR}/spiflash.py --outfile ${CMAKE_BINARY_DIR}/spiflash.img
     DEPENDS ${CMAKE_SOURCE_DIR}/spiflash.py
     COMMENT "Generating spiflash.img"
 )

tests/spiflash.py

@@ -1,10 +1,16 @@
 #!/usr/bin/env python3
-
 # Generates a binary file that the SPI test uses
 
-outfile = "spiflash.img"
+import argparse
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Generate a binary file for SPI test")
+    parser.add_argument("--outfile", type=str, default="spiflash.img", help="Output file")
+    args = parser.parse_args()
+
+    outfile = args.outfile
 
-with open(outfile, 'wb') as f:
-    for i in range(0,0x100000,4):
-        check = 0xdeadbeef - i
-        f.write(check.to_bytes(4,'little'))
+    with open(outfile, "wb") as f:
+        for i in range(0,0x100000,4):
+            check = 0xdeadbeef - i
+            f.write(check.to_bytes(4, "little"))