breakout into sub projects

.gitignore

@@ -1,4 +1,6 @@
-/.vscode
-/.embuild
-/target
-/Cargo.lock
+.vscode
+.embuild
+target
+Cargo.lock
+.DS_Store
+sphinx-key/Cargo.lock

README.md

@@ -1,4 +1,4 @@
-# sphinx-key
+# cd sphinx-key
 
 These notes were tested for macOS
 
@@ -35,3 +35,7 @@ These notes were tested for macOS
 If the above command does not work, try this one below:
 
 `espflash target/riscv32imc-esp-espidf/debug/sphinx-key`
+
+### monitor
+
+`espmonitor /dev/ttyUSB0`

signer/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "sphinx-key-signer"
+version = "0.1.0"
+authors = ["Evan Feenstra <evanfeenstra@gmail.com>"]
+edition = "2018"
+resolver = "2"

signer/src/lib.rs

@@ -0,0 +1,3 @@
+pub fn say_hi() {
+    println!("hi!");
+}

sphinx-key/Cargo.toml

@@ -17,7 +17,7 @@ pio = ["esp-idf-sys/pio"]
 
 [dependencies]
 esp-idf-sys = { version = "0.31.5", features = ["binstart"] }
-
+sphinx-key-signer = { path = "../signer" }
 
 [build-dependencies]
 embuild = "0.29"

sphinx-key/src/main.rs

@@ -1,4 +1,5 @@
 use esp_idf_sys as _; // If using the `binstart` feature of `esp-idf-sys`, always keep this module imported
+use sphinx_key_signer;
 
 fn main() {
     // Temporary. Will disappear once ESP-IDF 4.4 is released, but for now it is necessary to call this function once,
@@ -6,4 +7,6 @@ fn main() {
     esp_idf_sys::link_patches();
 
     println!("Hello, world!");
+
+    sphinx_key_signer::say_hi();
 }