feat(esp32c3/example): added async uart example for esp32c3

Signed-off-by: Jad K. Haddad <jadkhaddad@gmail.com>

Author: JadKHaddad

framez/examples/esp32c3/async-uart/.cargo/config.toml

@@ -0,0 +1,16 @@
+[target.riscv32imc-unknown-none-elf]
+runner = "espflash flash --monitor --chip esp32c3"
+
+[env]
+
+[build]
+rustflags = [
+  # Required to obtain backtraces (e.g. when using the "esp-backtrace" crate.)
+  # NOTE: May negatively impact performance of produced code
+  "-C", "force-frame-pointers",
+]
+
+target = "riscv32imc-unknown-none-elf"
+
+[unstable]
+build-std = ["core"]

framez/examples/esp32c3/async-uart/.gitignore

@@ -0,0 +1,18 @@
+# will have compiled files and executables
+debug/
+target/
+.zed/
+.helix/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+# RustRover
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

framez/examples/esp32c3/async-uart/.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+    "recommendations": [
+        "rust-lang.rust-analyzer",
+        "tamasfe.even-better-toml",
+        "fill-labs.dependi"
+    ]
+}

framez/examples/esp32c3/async-uart/.vscode/launch.json

@@ -0,0 +1,5 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+    ]
+}

framez/examples/esp32c3/async-uart/.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+  "rust-analyzer.cargo.allTargets": false,
+  "rust-analyzer.cargo.target": "riscv32imc-unknown-none-elf",
+}

framez/examples/esp32c3/async-uart/.vscode/tasks.json

@@ -0,0 +1,10 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build-debug",
+            "command": "cargo build",
+            "type": "shell",
+        }
+    ]
+}