[peripherals][rs485] add package.

Author: sulfurandcu

peripherals/Kconfig

@@ -78,6 +78,7 @@ source "$PKGS_DIR/packages/peripherals/bt_mx01/Kconfig"
 source "$PKGS_DIR/packages/peripherals/RgPower/Kconfig"
 source "$PKGS_DIR/packages/peripherals/bt_mx02/Kconfig"
 source "$PKGS_DIR/packages/peripherals/gc9a01/Kconfig"
+source "$PKGS_DIR/packages/peripherals/ikun-485/Kconfig"
 
 if RT_VER_NUM > 0x40101
 source "$PKGS_DIR/packages/peripherals/spi-tools/Kconfig"

peripherals/ikun-485/Kconfig

@@ -0,0 +1,28 @@
+
+menuconfig PKG_USING_IK485
+    bool "ikun-485: A rs485 driver based on char device."
+    select RT_USING_SERIAL
+    select RT_USING_PIN
+    default n
+
+if PKG_USING_IK485
+
+    config PKG_IK485_PATH
+        string
+        default "/packages/peripherals/ikun-485"
+
+    choice
+        prompt "Version"
+        default PKG_USING_IK485_LATEST_VERSION
+        help
+            Select the package version
+
+        config PKG_USING_IK485_LATEST_VERSION
+            bool "latest"
+    endchoice
+
+    config PKG_IK485_VER
+       string
+       default "latest" if PKG_USING_IK485_LATEST_VERSION
+
+endif

peripherals/ikun-485/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "ikun-485",
+  "description": "rs485 driver based on char device",
+  "description_zh": "基于字符设备的 RS485 驱动",
+  "enable": "PKG_USING_IK485",
+  "keywords": [
+    "ikun-485",
+    "rs485"
+  ],
+  "category": "peripherals",
+  "author": {
+    "name": "sulfurandcu",
+    "email": "[email protected]",
+    "github": "sulfurandcu"
+  },
+  "license": "MIT",
+  "repository": "https://github.com/sulfurandcu/ikun-485",
+  "homepage": "https://github.com/sulfurandcu/ikun-485#readme",
+  "site": [
+    {
+      "version": "latest",
+      "URL": "https://github.com/sulfurandcu/ikun-485.git",
+      "filename": "ikun-485.zip",
+      "VER_SHA": "main"
+    }
+  ]
+}