feat(rocknix/rgds): native keymapping in grout

app/setup.go

@@ -8,6 +8,7 @@ import (
 	"grout/cfw/minui"
 	"grout/cfw/muos"
 	"grout/cfw/onion"
+	"grout/cfw/rocknix"
 	"grout/cfw/spruce"
 	"grout/internal"
 	"grout/internal/environment"
@@ -87,6 +88,8 @@ func setupInputMapping(currentCFW cfw.CFW) {
 		mappingBytes, mappingErr = minui.GetInputMappingBytes()
 	case cfw.Spruce:
 		mappingBytes, mappingErr = spruce.GetInputMappingBytes()
+	case cfw.ROCKNIX:
+		mappingBytes, mappingErr = rocknix.GetInputMappingBytes()
 	}
 
 	if mappingBytes != nil && mappingErr == nil {

cfw/rocknix/input_mappings.go

@@ -0,0 +1,51 @@
+package rocknix
+
+import (
+	"embed"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+//go:embed input_mappings/*.json
+var embeddedInputMappings embed.FS
+
+type Device string
+
+const (
+	DeviceAnbernicRGDS Device = "rgds"
+	DeviceGeneric      Device = "generic"
+)
+
+func DetectDevice() Device {
+	compatible, err := os.ReadFile("/sys/firmware/devicetree/base/compatible")
+	if err == nil && strings.Contains(string(compatible), "anbernic,rg-ds") {
+		return DeviceAnbernicRGDS
+	}
+
+	return DeviceGeneric
+}
+
+func GetInputMappingBytes() ([]byte, error) {
+	device := DetectDevice()
+
+	var filename string
+	switch device {
+	case DeviceAnbernicRGDS:
+		filename = "input_mappings/rgds.json"
+	default:
+		return nil, nil
+	}
+
+	overridePath := filepath.Join("overrides", "cfw", "rocknix", filename)
+	data, err := os.ReadFile(overridePath)
+	if err != nil {
+		data, err = embeddedInputMappings.ReadFile(filename)
+		if err != nil {
+			return nil, fmt.Errorf("failed to read embedded input mapping %s: %w", filename, err)
+		}
+	}
+
+	return data, nil
+}

cfw/rocknix/input_mappings/rgds.json

@@ -0,0 +1,25 @@
+{
+  "keyboard_map": {},
+  "controller_button_map": {
+    "0": 6,
+    "1": 5,
+    "10": 11,
+    "11": 1,
+    "12": 2,
+    "13": 3,
+    "14": 4,
+    "2": 7,
+    "3": 8,
+    "4": 14,
+    "5": 15,
+    "6": 13,
+    "9": 9
+  },
+  "controller_hat_map": {},
+  "joystick_axis_map": {},
+  "joystick_button_map": {
+    "6": 10,
+    "7": 12
+  },
+  "joystick_hat_map": {}
+}

scripts/ROCKNIX/Grout.sh

@@ -11,7 +11,7 @@ fi
 
 export CFW=ROCKNIX
 export LD_LIBRARY_PATH="$CUR_DIR/Grout/lib:$LD_LIBRARY_PATH"
-export FLIP_FACE_BUTTONS=1
+#export FLIP_FACE_BUTTONS=1
 
 ./grout