From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Thu, 11 Jun 2020 12:45:50 +0000 (+0200)
Subject: build: add DFUProg.
X-Git-Tag: 24jan2021_ls180~182
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d6f92d1ffd6c0886974f7162a6739ef6fe9f54b0;p=litex.git

build: add DFUProg.
---

diff --git a/litex/build/dfu.py b/litex/build/dfu.py
new file mode 100644
index 00000000..9890e1b8
--- /dev/null
+++ b/litex/build/dfu.py
@@ -0,0 +1,21 @@
+# This file is Copyright (c) 2020 Florent Kermarrec <florent@enjoy-digital.fr>
+# License: BSD
+
+import subprocess
+
+from litex.build.tools import write_to_file
+from litex.build.generic_programmer import GenericProgrammer
+
+# DFUProg ------------------------------------------------------------------------------------------
+
+class DFUProg(GenericProgrammer):
+    needs_bitreverse = False
+
+    def __init__(self, vid, pid):
+        self.vid = vid
+        self.pid = pid
+
+    def load_bitstream(self, bitstream_file):
+        subprocess.call(["cp", bitstream_file, bitstream_file + ".dfu"])
+        subprocess.call(["dfu-suffix", "-v", self.vid, "-p", self.pid, "-a", bitstream_file + ".dfu"])
+        subprocess.call(["dfu-util", "--download", bitstream_file + ".dfu"])