Make runner command selectable

.cargo/config.toml

@@ -2,9 +2,19 @@
 # Choose a default "cargo run" tool (see README for more info)
 # - `probe-rs` provides flashing and defmt via a hardware debugger, and stack unwind on panic
 # - elf2uf2-rs loads firmware over USB when the rp2040 is in boot mode
-runner = "probe-rs run --chip RP2040 --protocol swd"
+# runner = "probe-rs run --chip RP2040 --protocol swd"
 # runner = "elf2uf2-rs -d"
-
+{% case flash_method -%}
+  {%- when "probe-rs" -%}
+    runner = "probe-rs run --chip RP2040 --protocol swd"
+  {%- when "elf2uf2-rs" -%}
+    runner = "elf2uf2-rs -d"
+  {%- when "none" -%}
+  {%- else -%}
+    {%- if flash_method != "" -%}
+      runner = "{{ flash_method_custom }}"
+    {%- endif -%}
+{%- endcase %}
 rustflags = [
   "-C", "linker=flip-link",
   "-C", "link-arg=--nmagic",

cargo-generate.toml

@@ -2,6 +2,15 @@
 cargo_generate_version = ">=0.9.0"
 
 [hooks]
-pre = [
-    "cargo-generate/remove_rprs.rhai"
-]
+pre = ["cargo-generate/remove_rprs.rhai"]
+
+[placeholders]
+flash_method = { prompt = "Which flashing method do you intend to use?", choices = [
+  "probe-rs",
+  "elf2uf2-rs",
+  "custom",
+  "none"
+], default = "probe-rs", type = "string" }
+
+[conditional.'flash_method == "custom"'.placeholders]
+flash_method_custom = { prompt = "Enter the runner command to use", type = "string" }