[hal_sdk] add ch32v20x sdk

peripherals/hal-sdk/wch/Kconfig

@@ -1,5 +1,6 @@
 menu "WCH HAL & SDK Drivers"
 
+source "$PKGS_DIR/packages/peripherals/hal-sdk/wch/ch32v20x_sdk/Kconfig"
 source "$PKGS_DIR/packages/peripherals/hal-sdk/wch/ch32v307_sdk/Kconfig"
 
 endmenu

peripherals/hal-sdk/wch/ch32v20x_sdk/Kconfig

@@ -0,0 +1,31 @@
+
+# Kconfig file for package ch32v20x_sdk
+menuconfig PKG_USING_CH32V20x_SDK
+    bool "CH32V20x SDK"
+    default n
+
+if PKG_USING_CH32V20x_SDK
+
+    config PKG_CH32V20x_SDK_PATH
+        string
+        default "/packages/peripherals/hal-sdk/wch/ch32v20x_sdk"
+
+    choice
+        prompt "Version"
+        help
+            Select the package version
+
+        config PKG_USING_CH32V20x_SDK_V202
+            bool "v2.2"
+
+        config PKG_USING_CH32V20x_SDK_LATEST_VERSION
+            bool "latest"
+    endchoice
+
+    config PKG_CH32V20x_SDK_VER
+        string
+        default "v2.2"      if PKG_USING_CH32V20x_SDK_V202
+        default "latest"    if PKG_USING_CH32V20x_SDK_LATEST_VERSION
+
+endif
+

peripherals/hal-sdk/wch/ch32v20x_sdk/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "ch32v20x_sdk",
+  "description": "CH32V20x SDK for rt-thread",
+  "description_zh": "CH32V20x SDK for rt-thread",
+  "enable": "PKG_USING_CH32V20x_SDK",
+  "keywords": [
+    "ch32v20x_sdk"
+  ],
+  "category": "peripherals",
+  "author": {
+    "name": "openwch",
+    "email": "[email protected]",
+    "github": "openwch"
+  },
+  "license": "Apache-2.0",
+  "repository": "https://github.com/openwch/ch32v20x",
+  "icon": "unknown",
+  "homepage": "https://github.com/openwch/ch32v20x#readme",
+  "doc": "unknown",
+  "site": [
+    {
+      "version": "v2.2",
+      "URL": "https://github.com/kaidegit/CH32V20x-SDK-for-RTT/releases/download/v2.2/CH32V20x-SDK-for-RTT-v2.2.zip",
+      "filename": "CH32V20x-SDK-for-RTT-v2.2.zip"
+    },
+    {
+      "version": "latest",
+      "URL": "https://github.com/kaidegit/CH32V20x-SDK-for-RTT.git",
+      "filename": "",
+      "VER_SHA": "main"
+    }
+  ]
+}