add: air8000 wan模式 实现httpsrv

module/Air8000/demo/netdrv/ch390/httpsrv/wan.lua

@@ -0,0 +1,73 @@
+
+sys = require("sys")
+sysplus = require("sysplus")
+sys.taskInit(function ()
+    log.info("ch390", "打开LDO供电")
+    gpio.setup(140, 1, gpio.PULLUP)     --打开ch390供电
+    sys.wait(6000)
+    local result = spi.setup(
+        1,--spi id
+        nil,
+        0,--CPHA
+        0,--CPOL
+        8,--数据宽度
+        25600000--,--频率
+        -- spi.MSB,--高低位顺序    可选，默认高位在前
+        -- spi.master,--主模式     可选，默认主
+        -- spi.full--全双工       可选，默认全双工
+    )
+    log.info("main", "open",result)
+    if result ~= 0 then--返回值为0，表示打开成功
+        log.info("main", "spi open error",result)
+        return
+    end
+
+    netdrv.setup(socket.LWIP_ETH, netdrv.CH390, {spi=1,cs=12})
+    netdrv.dhcp(socket.LWIP_ETH, true)
+end)
+
+local LEDA = gpio.setup(146, 0, gpio.PULLUP)
+
+sys.taskInit(function()
+    -- 等以太网就绪
+    while 1 do
+        local result, ip, adapter = sys.waitUntil("IP_READY", 3000)
+        log.info("ready?", result, ip, adapter)
+        if adapter and adapter ==  socket.LWIP_ETH then
+            break
+        end
+    end
+    
+    sys.wait(200)
+    httpsrv.start(80, function(client, method, uri, headers, body)
+        -- method 是字符串, 例如 GET POST PUT DELETE
+        -- uri 也是字符串 例如 / /api/abc
+        -- headers table类型
+        -- body 字符串
+        log.info("httpsrv", method, uri, json.encode(headers), body)
+        -- meminfo()
+        if uri == "/led/1" then
+            LEDA(1)
+            return 200, {}, "ok"
+        elseif uri == "/led/0" then
+            LEDA(0)
+            return 200, {}, "ok"
+        end
+        return 404, {}, "Not Found" .. uri
+        -- 返回值的约定 code, headers, body
+        -- 若没有返回值, 则默认 404, {} ,""
+    end, socket.LWIP_ETH)
+    iperf.server(socket.LWIP_ETH)
+    while 1 do
+        sys.wait(6000)
+        local code, headers, body = http.request("GET", "http://httpbin.air32.cn/bytes/4096", nil, nil, {adapter=socket.LWIP_ETH}).wait()
+        log.info("http", code, headers, body and #body)
+        log.info("lua", rtos.meminfo())
+        log.info("sys", rtos.meminfo("sys"))
+    end
+end)
+
+-- 用户代码已结束---------------------------------------------
+-- 结尾总是这一句
+sys.run()
+-- sys.run()之后后面不要加任何语句!!!!!