Merge pull request RT-Thread#795 from qiyongzhong0/master

add rs485 package into peripherals

peripherals/Kconfig

@@ -55,5 +55,6 @@ source "$PKGS_DIR/packages/peripherals/ly68l6400/Kconfig"
 source "$PKGS_DIR/packages/peripherals/dm9051/Kconfig"
 source "$PKGS_DIR/packages/peripherals/ssd1306/Kconfig"
 source "$PKGS_DIR/packages/peripherals/qkey/Kconfig"
+source "$PKGS_DIR/packages/peripherals/rs485/Kconfig"
 
 endmenu

peripherals/rs485/Kconfig

@@ -0,0 +1,61 @@
+
+# Kconfig file for package rs485
+
+menuconfig PKG_USING_RS485
+    bool "rs485 driver package."
+    select RT_USING_SERIAL
+    select RT_USING_PIN
+    default n
+
+if PKG_USING_RS485
+
+    config PKG_RS485_PATH
+        string
+        default "/packages/peripherals/rs485"
+
+    config RS485_USING_TEST
+        bool "using test"
+        default n
+
+    if RS485_USING_TEST 
+
+        config RS485_TEST_SERIAL
+            string "serial device name"
+            default "uart1"
+
+        config RS485_TEST_BAUDRATE
+            int "baudrate"
+            default 9600
+
+        config RS485_TEST_PARITY
+            int "parity"
+            range 0 2
+            default 0  
+
+        config RS485_TEST_PIN
+            int "mode control pin"
+            range 0 176
+            default 0  
+
+        config RS485_TEST_LEVEL
+            int "send mode level"
+            range 0 1
+            default 0  
+
+    endif
+
+    choice
+        prompt "Version"
+        default PKG_USING_RS485_LATEST_VERSION
+        help
+            Select the package version
+
+        config PKG_USING_RS485_LATEST_VERSION
+            bool "latest"
+    endchoice
+
+    config PKG_RS485_VER
+       string
+       default "latest" if PKG_USING_RS485_LATEST_VERSION
+
+endif

peripherals/rs485/package.json

@@ -0,0 +1,29 @@
+{
+  "name": "rs485",
+  "description": "rs485 driver package",
+  "description_zh": "rs485驱动包",
+  "enable": "PKG_USING_RS485",
+  "keywords": [
+    "rs485",
+    "driver",
+    "rt-thread"
+  ],
+  "category": "peripherals",
+  "author": {
+    "name": "qiyongzhong0",
+    "email": "[email protected]",
+    "github": "qiyongzhong0"
+  },
+  "license": " LGPL-2.1",
+  "repository": "https://github.com/qiyongzhong0/rt-thread-rs485",
+  "icon": "https://www.rt-thread.org/qa/template/fxiaomi/style/image/logo.png",
+  "homepage": "https://github.com/qiyongzhong0/rt-thread-rs485#readme",
+  "site": [
+    {
+      "version": "latest",
+      "URL": "https://github.com/qiyongzhong0/rt-thread-rs485.git",
+      "filename": "",
+      "VER_SHA": "master"
+    }
+  ]
+}