增加了15，16，17串的电压can信息发送

src/app.c

@@ -779,14 +779,27 @@ static void Can_Task(void* arg)
                         case 3:
                         {
                             Can_ID = 0x031;
-                            for (int i = 0; i < 4; i++)
+                            for (int i = 0; i < 8; i++)
                             {
                                 Can_TxMsg.Data[i] = battbuffer[i+31+send_index*8];
                             }
-                            Can_TxMsg.Data[4] = 0x00;
-                            Can_TxMsg.Data[5] = 0x00;
-                            Can_TxMsg.Data[6] = 0x00;
-                            Can_TxMsg.Data[7] = 0x00;
+                            Can_TxMsg.stdIDH = Can_ID>>3;
+                            Can_TxMsg.stdIDL = Can_ID<<5;
+                            Can_TxMsg.DLC  = 8;
+                            HAL_Can_Transmit(Can_TxMsg);
+                            break;
+                        }
+                        case 8:
+                        {
+                            Can_ID = 0x041;
+                            for (int i = 0; i < 2; i++)
+                            {
+                                Can_TxMsg.Data[i] = battbuffer[i+31+4*8];
+                            }
+                            for (int i = 0; i < 6; i++)
+                            {
+                                Can_TxMsg.Data[i+2] = 0x00;
+                            }
                             Can_TxMsg.stdIDH = Can_ID>>3;
                             Can_TxMsg.stdIDL = Can_ID<<5;
                             Can_TxMsg.DLC  = 8;