1 files changed, 19 insertions, 0 deletions
diff --git a/Cargo.lock b/Cargo.lock
index 7b0fdc3..ff4e28f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -103,6 +103,8 @@ dependencies = [
  "nb 1.0.0",
  "riscv 0.8.0",
  "riscv-rt",
+ "usb-device",
+ "usbd-serial",
 ]
 
 [[package]]
@@ -285,6 +287,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf"
 
 [[package]]
+name = "usb-device"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f6cc3adc849b5292b4075fc0d5fdcf2f24866e88e336dd27a8943090a520508"
+
+[[package]]
+name = "usbd-serial"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db75519b86287f12dcf0d171c7cf4ecc839149fe9f3b720ac4cfce52959e1dfe"
+dependencies = [
+ "embedded-hal",
+ "nb 0.1.3",
+ "usb-device",
+]
+
+[[package]]
 name = "vcell"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"