m-RNA

当发送端发送数据没加上回车时，上位机不会在TextEdit中显示数据

1

主要是这个函数有BUG：void MainWindow::serialPortReadyRead_Slot()

```txt ...............#########....................... ..............############..................... ..............#############.................... .............##..###########................... ............###..######.#####.................. ............###.#######...####................. ...........###..##########.####................ ..........####..###########.####............... ........#####...###########..#####............. .......######...###.########...#####........... .......#####...###...########...######......... ......######...###..###########...######....... .....######...####.##############..######...... ....#######..#####################.#######..... ....#######..##############################.... ...#######..######.#################.#######... ...#######..######.######.#########...######... ...#######....##..######...######.....######... ...#######........######....#####.....#####.... ....######........#####.....#####.....####..... .....#####........####......#####.....###...... ......#####......;###........###......#........ ........##.......####........####.............. ```

# Description fixes dividing by zero ## Checklist - [ ] The pull request is done against the latest development branch - [x] Code change compiles without warnings - [x]...