Use ssmarshal to convert data from and to byte slices

Previously, we manually converted the request and response data from and
to byte slices.  This patch adds the ssmarshal dependency that automates
the serialization and deserialization in the required format.

1 files changed, 9 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index e3614d5..a11296e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,6 +22,15 @@ package = "stm32f1xx-hal"
 version = "0.1.1"
 features = ["stm32f103", "rt"]
 
+[dependencies.serde]
+version = "1.0"
+default-features = false
+features = ["derive"]
+
+[dependencies.ssmarshal]
+version = "1.0"
+default-features = false
+
 [profile.release]
 codegen-units = 1
 debug = true