rg_tool: Added install command to build and flash an entire image

It might be best to have commands to flash just the bootloader or partition table but this was easier to implement for now...

rg_tool.py

@@ -110,6 +110,12 @@ def build_image(apps, device_type, img_format="esp32", fatsize=0):
         f.write(image_data)
 
     print("\nSaved image '%s' (%d bytes)\n" % (image_file, len(image_data)))
+    return image_file
+
+
+def flash_image(image_file):
+    print("Flashing image file: %s\n" % image_file)
+    run([ESPTOOL_PY, "write_flash", "0x0", image_file], check=False)
 
 
 def clean_app(app):
@@ -164,7 +170,7 @@ def monitor_app(app, port, baudrate=115200):
 parser = argparse.ArgumentParser(description="Retro-Go build tool")
 parser.add_argument(
 # To do: Learn to use subcommands instead...
-    "command", choices=["build-fw", "build-img", "release", "build", "clean", "flash", "monitor", "run", "profile"],
+    "command", choices=["build-fw", "build-img", "release", "build", "clean", "flash", "monitor", "run", "profile", "install"],
 )
 parser.add_argument(
     "apps", nargs="*", default="all", choices=["all"] + list(PROJECT_APPS.keys())
@@ -198,7 +204,7 @@ def monitor_app(app, port, baudrate=115200):
         exec(f.read())
 
 try:
-    if command in ["build-fw", "build-img", "release"] and "launcher" not in apps:
+    if command in ["build-fw", "build-img", "release", "install"] and "launcher" not in apps:
         print("\nWARNING: The launcher is mandatory for those apps and will be included!\n")
         apps.insert(0, "launcher")
 
@@ -207,7 +213,7 @@ def monitor_app(app, port, baudrate=115200):
         for app in apps:
             clean_app(app)
 
-    if command in ["build", "build-fw", "build-img", "release", "run", "profile"]:
+    if command in ["build", "build-fw", "build-img", "release", "run", "profile", "install"]:
         print("=== Step: Building ===\n")
         for app in apps:
             build_app(app, args.target, command == "profile", args.no_networking, command == "release")
@@ -216,9 +222,14 @@ def monitor_app(app, port, baudrate=115200):
         print("=== Step: Packing ===\n")
         build_firmware(apps, args.target, os.getenv("FW_FORMAT"))
 
-    if command in ["build-img", "release"]:
+    if command in ["build-img", "release", "install"]:
         print("=== Step: Packing ===\n")
-        build_image(apps, args.target, os.getenv("IMG_FORMAT", os.getenv("IDF_TARGET")), args.fatsize)
+        image_file = build_image(apps, args.target, os.getenv("IMG_FORMAT", os.getenv("IDF_TARGET")), args.fatsize)
+
+    if command in ["install"]:
+        print("=== Step: Flashing entire image to device ===\n")
+        # Should probably show a warning here and ask for confirmation...
+        flash_image(image_file)
 
     if command in ["flash", "run", "profile"]:
         print("=== Step: Flashing ===\n")