增加js文件

script/ble.js

@@ -0,0 +1,172 @@
+function initManager(param, callback) {
+  ble.initManager(param, function (ret) {
+    if (ret.state == "poweredOn") {
+      console.log("初始化成功");
+      callback(true)
+    } else {
+      callback(false)
+    }
+  })
+}
+
+function scan(param, callback) {
+  ble.scan(param, function (ret) {
+    if (ret.status) {
+      console.log('正在扫描');
+    } else {
+      console.log('扫描失败');
+    }
+    callback(ret.status)
+  });
+}
+
+function getPeripheral(callback) {
+  ble.getPeripheral(function (ret) {
+    // console.log(JSON.stringify(ret));
+    var res = {};
+    if (ret.peripherals.length > 0) {
+      ret.peripherals.forEach(p => {
+        if (p.name) {
+          console.log(p.name)
+        }
+        if (p.name && p.name.startsWith("BLUE2USART")) {
+          // console.log(p.name)
+          // console.log(p.uuid)
+          res = p
+          callback(res)
+        }
+      })
+    } else {
+      callback(res)
+    }
+  })
+}
+
+function connect(param, callback) {
+  ble.connect(param, function (ret, err) {
+    if (ret.status) {
+      console.log("连接成功！");
+    } else {
+      console.log("连接失败！");
+    }
+    callback(ret.status)
+  })
+}
+
+function disconnect(param, callback) {
+  ble.disconnect(param, function (ret, err) {
+    if (ret.status) {
+      console.log("断开连接成功！");
+    } else {
+      console.log("断开连接失败！");
+    }
+    callback(ret)
+  });
+}
+
+function discoverService(param, callback) {
+  ble.discoverService(param, function (ret) {
+    var res = '';
+    if (ret.services.length > 0) {
+      console.log("发现服务成功！");
+      ret.services.forEach(s => {
+        if (s.startsWith("0000ffe")) {
+          callback(s)
+        }
+      })
+    } else {
+      console.log("发现服务失败！");
+      callback(res)
+    }
+  })
+}
+
+function discoverCharacteristics(param, callback) {
+  ble.discoverCharacteristics(param, function (ret) {
+    var res = '';
+    if (ret.characteristics.length > 0) {
+      console.log("发现特征成功！");
+      ret.characteristics.forEach(s => {
+        if (s.serviceUUID === param.serviceUUID) {
+          callback(s.uuid)
+        }
+      })
+    } else {
+      console.log("发现特征失败！");
+      callback(res)
+    }
+  })
+}
+
+function setNotify(param, callback) {
+  ble.setNotify(param, function (ret) {
+    // console.log(JSON.stringify(ret))
+    var value = ret.characteristic.value;
+    if (ret && value.startsWith('ff01')) {
+      var wei = value.substr(14, 12);
+      wei = Math.round(Number(hex2a(wei)))
+    }
+    callback(wei)
+  })
+}
+
+function writeValueForCharacteristic(param) {
+  ble.writeValueForCharacteristic(param, function (ret) {
+    // console.log(JSON.stringify(ret));
+    if (ret.status) {
+      // console.log("发送成功");
+    } else {
+      console.log("发送失败");
+    }
+  });
+}
+
+function getMess(param,callback) {
+      var param1 = {
+        SF: "AA A5 ",
+        LEN: '1A 00 ',
+        DES: 'FF FF ',
+        SRC: '12 34 ',
+        TID: 'B0 A1 ',
+        CMD1: '38 02 ',
+        X: '00 00 ',
+        Y: '00 00 ',
+        WIDTH: '40 00 ',
+        HEIGHT: '20 00 ',
+        FORMAT: '00 00 01 00 ',
+        CNT: '04 00 ',
+        CRC: '00 00 ',
+        EF: '5A 55  ',
+        msg: ''
+      }
+      var newmsg = feedName
+      var msglen = newmsg.getByteLen();
+      var ttr = ''
+      if (Number(_planSum - _feedNum) >= 0) {
+        ttr = '少'
+        echartsType = '少'
+      } else {
+        ttr = '多'
+        echartsType = '多'
+      }
+      if (msglen < 8) {
+        for (var i = 0; i < 8 - msglen; i++) {
+          newmsg = newmsg + ' '
+        }
+        newmsg = newmsg + ttr
+      } else {
+        newmsg = feedName + ttr
+      }
+      // param1.msg = newmsg + Math.abs(Number(_planSum - _feedNum)).toFixed(0) + 'kg'
+      param1.msg = newmsg + Math.abs(Number(param.value)).toFixed(0) + 'kg'
+      // console.log(param1.msg)
+      zfk.getMsg(param1, function (ret, err) {
+        var str = ret.sendMsg;
+        str = str.replace(/\s+/g, "")
+        const num = str.length / 2;
+        param.value = "FF0500" + num.toString(16) + str;
+        writeValueForCharacteristic(param,function (ret) {
+          callback(ret)
+        })
+      })
+}