On MT3620 RDB hardware, GND is Header 3, pin 2.Ĭonnect RX on the USB-to-serial adapter to IOM4-0 TX on your dev kit. If you're using hardware that follows the MT3620 reference board design (RDB) hardware, like the MT3620 Dev Kit from Seeed Studios, then looking at the RDB interface headers may help you to determine the pin locations.Ĭonnect GND on the USB-to-serial adapter to GND on your dev kit. You'll need to refer to the documentation from your hardware manufacturer to determine the pin locations. To set up the hardware to display output from an RTApp, follow these steps. You will also need a terminal emulator to establish a serial connection with 115200-8-N-1 terminal settings (115200 bps, 8 bits, no parity bits, one stop bit) to display the output. Use a USB-to-serial adapter such as the FTDI Friend, to connect the UART on the real-time core to a USB port on your machine. The HelloWorld_RTApp_MT3620_BareMetal sample shows how an application can write to the UART. During application development and debugging, you typically need a way to read and display the output. RTApps can use this UART to send log output from the device. Set up hardware to display outputĬurrently, each real-time core supports a TX-only UART. If you encounter build problems related to the toolchain, check Preferences > Settings > Extensions > AzureSphere to ensure that "Azure Sphere: Arm Gnu Path" identifies the GNU Arm Embedded Toolchain installation directory. By default, Visual Studio Code searches for the toolchain and should find the version you installed.
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