Teach espup about the ESP32-C2

src/main.rs

@@ -94,7 +94,7 @@ pub struct InstallOpts {
     ///  Minifies the installation.
     #[arg(short = 'm', long)]
     pub profile_minimal: bool,
-    /// Comma or space separated list of targets [esp32,esp32s2,esp32s3,esp32c3,all].
+    /// Comma or space separated list of targets [esp32,esp32s2,esp32s3,esp32c2,esp32c3,all].
     #[arg(short = 't', long, default_value = "all")]
     pub targets: String,
     /// Xtensa Rust toolchain version.

src/targets.rs

@@ -20,6 +20,8 @@ pub enum Target {
     /// Xtensa LX7 based dual core
     ESP32S3,
     /// RISC-V based single core
+    ESP32C2,
+    /// RISC-V based single core
     ESP32C3,
 }
 

src/toolchain/gcc.rs

@@ -110,7 +110,7 @@ pub fn get_toolchain_name(target: &Target) -> String {
         Target::ESP32 => "xtensa-esp32-elf".to_string(),
         Target::ESP32S2 => "xtensa-esp32s2-elf".to_string(),
         Target::ESP32S3 => "xtensa-esp32s3-elf".to_string(),
-        Target::ESP32C3 => "riscv32-esp-elf".to_string(),
+        Target::ESP32C2 | Target::ESP32C3 => "riscv32-esp-elf".to_string(),
     }
 }