微處理器 - NXP MK20DX256 (Teensy 3.2) - 如何透過teensy_loader_cli燒錄程式

參考資訊：
https://www.seanet.com/~karllunt/bareteensy31.html
https://github.com/PaulStoffregen/teensy_loader_cli
https://disconnected.systems/blog/bare-metal-assembly-on-the-teensy-3.1/

步驟如下：
1. 按住按鍵不放
2. 連接USB與PC
3. 放開按鍵
4. 偵測到的裝置

$ sudo dmesg 
    [372357.762690] usb 3-1: new full-speed USB device number 99 using xhci_hcd
    [372357.903329] usb 3-1: New USB device found, idVendor=16c0, idProduct=0478
    [372357.903344] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1
    [372357.903346] usb 3-1: SerialNumber: 0008B76F
    [372357.904410] hid-generic 0003:16C0:0478.000C: hidraw2: USB HID v1.11 Device [HID 16c0:0478] on usb-0000:00:14.0-1/input0

5. 執行如下命令

$ sudo teensy_loader_cli --mcu=mk20dx256 -w xxx.hex