Texas Instruments INA228, User Manual, Page: 10 / 32

4. Optionally, the GUI can be downloaded for offline use by clicking the icon in the GUI Composer
application (shown in Figure 4-4 ) and following the prompts.
4.2.1.3.2 GUI to EVM Connection
To connect the GUI to the EVM, follow these steps:
1. Setup and launch the GUI as described in Initial Setup .
2. With the EVM plugged in, after launching the GUI, close the README.md file page to initiate the connection.
If successful, "Hardware Connected" should be visible near the bottom left corner of the GUI as in Figure
4-6 .
Figure 4-6. Hardware Connected
a. A green indicator with the device type and the text "DEVICE CONNECTED" should also be visible near
the top left of the GUI, as shown in Figure 4-7 .
Figure 4-7. Device Connected
b. If "Hardware Connected" and "DEVICE CONNECTED" do not show in the GUI, long-press the reset
button on the EVM to try again.
i.
If that doesn't work, check different hardware COM ports under Options >> Serial Port , as shown in
Figure 4-8 .
Figure 4-8. Change Serial Port
c. If the hardware still does not connect, make sure you are using the correct GUI/EVM combination.
i. If you are using the correct GUI/EVM combination, you may need to reprogram the firmware of the
SCB, as described in
Firmware Debug .
ii. Many connectivity issues can be addressed by doing one of the following:
1. Long-press the RESET button on the EVM with the EVM and SCB connected to each other.
• Refreshing the GUI can also sometimes help this.
2. Connect the EVM to a different USB port.
• Avoid using long cables and USB hubs.
• If using a desktop PC, try a USB port on the back.
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10 INA228, INA229, INA237, INA238, and INA239 EVM User’s Guide SBOU241C – APRIL 2020 – REVISED JULY 2021
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