From 32d03eaa865410f260f07f74428a166318512c87 Mon Sep 17 00:00:00 2001
From: DXL <64101226@qq.com>
Date: Thu, 27 Aug 2020 12:23:49 +0800
Subject: [PATCH] Create BleCMDControl.java

---
 appmain/devices/BleCMDControl.java | 142 +++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 appmain/devices/BleCMDControl.java

diff --git a/appmain/devices/BleCMDControl.java b/appmain/devices/BleCMDControl.java
new file mode 100644
index 0000000..d4a00f9
--- /dev/null
+++ b/appmain/devices/BleCMDControl.java
@@ -0,0 +1,142 @@
+package com.proxgrind.devices;
+
+import com.proxgrind.chameleon.javabean.DeviceInfo;
+import com.proxgrind.chameleon.packets.DataPackets;
+import com.proxgrind.chameleon.utils.system.LogUtils;
+import com.proxgrind.chameleon.utils.tools.HexUtil;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+/*
+ * 同步任务!
+ * 将会给对象上锁!
+ * */
+public class BleCMDControl {
+    /**
+     * 命令定义区域，我们需要进行命令包标志的定义！
+     */
+    private static final int BLE_INFO = 0X69;
+
+    private static final BleSerialControl control = BleSerialControl.get();
+    private static final int BLE_INFO_PACKET_SIZE_MAX_MINI = 77;
+    private static final int BLE_INFO_PACKET_SIZE_MAX_TINY = 25;
+    private static final int TRANSFER_TIMEOUT = 2000;
+    private static final int REVEICE_TIMEOUT = TRANSFER_TIMEOUT;
+
+    public static DeviceInfo getBLEInfo() {
+        DeviceInfo info = new DeviceInfo();
+        // 谨记上锁!
+        synchronized (control) {
+            if (control.isDeviceConnected()) {
+                try {
+                    if (isChameleonMini()) {
+                        getInfoFromMini(info);
+                    } else {
+                        getInfoFromTiny(info);
+                    }
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            } else {
+                LogUtils.d("设备未连接，可能通讯是USB");
+            }
+            return info;
+        }
+    }
+
+    public static boolean isChameleonMini() {
+        return !control.isCtrlCharacteristicExists();
+    }
+
+    private static void getInfoFromMini(DeviceInfo info) throws IOException {
+        control.setPushDataToBuffer(false);
+        // 打包一个命令!
+        byte[] infoCMD = DataPackets.getData(BLE_INFO);
+        control.write(infoCMD, 0, infoCMD.length, TRANSFER_TIMEOUT);
+        byte[] recvs = new byte[BLE_INFO_PACKET_SIZE_MAX_MINI];
+        if (control.read(recvs, 0, 0, REVEICE_TIMEOUT) >= BLE_INFO_PACKET_SIZE_MAX_MINI) {
+            // 主版本号
+            info.setMainVersion(recvs[0]);
+            // 次版本号
+            info.setMinorVersion(recvs[1]);
+            // 版本特性
+            info.setVersionFlag(HexUtil.byteArrayToInt(new byte[]{recvs[5], recvs[4], recvs[3], recvs[2]}));
+            // 版本字符串（BLE）
+            info.setBleVersion(new String(Arrays.copyOfRange(recvs, 6, 37)));
+            // BLE电池电压!
+            info.setBatteryVoltage(HexUtil.byteArrayToInt(new byte[]{recvs[41], recvs[40], recvs[39], recvs[38]}));
+            // BLE电池百分比!
+            info.setBatteryPercent(recvs[42]);
+            // AVR相关参数!
+            info.setAvrMainVersion(recvs[43]);
+            info.setAvrMinorVersion(recvs[44]);
+            info.setAvrVersion(new String(Arrays.copyOfRange(recvs, 44, 74)));
+        } else {
+            LogUtils.d("接收到的长度字节不够!");
+        }
+        control.setPushDataToBuffer(true);
+    }
+
+    private static void getInfoFromTiny(DeviceInfo info) throws IOException {
+        LogUtils.d("请求Tiny的信息");
+        control.setPushDataToBuffer(false);
+        byte[] infoCMD = new byte[]{(byte) 0XA5, 0X69, 0X00, 0X00};
+        // Tiny分离出来了一个控制点特征单独用来进行UART之外的操作！
+        // 因此我们需要往Tiny的控制特征写，而不是往标准的UART写接口写。
+        control.write(infoCMD, 0, infoCMD.length, TRANSFER_TIMEOUT, BleSerialControl.CTRL_CHARACT_UUID);
+        byte[] recvs = new byte[1024];
+        if (control.read(recvs, 0, 0, REVEICE_TIMEOUT) >= BLE_INFO_PACKET_SIZE_MAX_TINY) {
+            // BLE电池电压!
+            info.setBatteryVoltage(HexUtil.toIntFrom2Byte(new byte[]{recvs[1], recvs[0]}));
+            // BLE电池百分比!
+            info.setBatteryPercent(recvs[2]);
+            // BLE版本号
+            info.setBleVersion(new String(Arrays.copyOfRange(recvs, 3, 18)));
+        } else {
+            LogUtils.d("接收到的长度字节不够!");
+        }
+        control.setPushDataToBuffer(true);
+    }
+
+    public static void openAirplaneMode() {
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                byte[] infoCMD = new byte[]{(byte) 0XA5, 0X6B, 0X00, 0X00};
+                try {
+                    control.write(infoCMD, 0, infoCMD.length, TRANSFER_TIMEOUT, BleSerialControl.CTRL_CHARACT_UUID);
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }).start();
+    }
+
+    /**
+     * 进行数据的传输与应答帧的接收
+     */
+    public static byte[] tranRecv(int cmd, byte[] data, int timeout) {
+        BleSerialControl control = BleSerialControl.get();
+        if (!control.isDeviceConnected()) return null;
+        // 关闭缓冲区转发
+        control.setPushDataToBuffer(false);
+        // 拼包并且发送数据!
+        byte[] sendPack = new DataPackets(cmd, data).getData();
+        byte[] ret = new byte[BleSerialControl.MTU];
+        try {
+            control.write(sendPack, 0, sendPack.length, timeout);
+            int status = control.read(ret, 0, 0, timeout);
+            if (status == -1) {
+                //超时了，我们返回空的字节组表示超时
+                return new byte[0];
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        }
+        // 回复缓冲区转发
+        control.setPushDataToBuffer(true);
+        return ret;
+    }
+}