GNSS Module Series
LC79D (A) EVB User Guide
LC79D(A)_EVB_User_Guide 15 / 21
4.1.2. Firmware Download in Host Mode
Step 1:
Connect the EVB to a PC with a micro USB cable.
Step 2:
Press and hold the BOOT button during EVB power-on to make the module enter host mode.
After the module enters host mode successfully, release the BOOT button.
Step 3:
Run the GNSSFlashTool and then configure the tool as shown below.
Figure 11: GNSSFlashTool Configurations for Host Mode Download
4.2. Communication via Micro USB Interface
Step 1:
Connect the EVB to a PC with a micro USB cable through the micro USB interface, and then turn
on the POWER switch (S201) to power on the EVB.
Step 2:
Run the USB flash drive on PC to install the USB driver. The USB port numbers can be viewed
through the PC Device Manager, as shown below.
Figure 12: USB Ports
Step 3:
Install and then use the QCOM tool provided by Quectel to realize the communication between
the module and the PC.
The following figure shows the COM Port Setting
interface of QCOM: select the correct “
COM
Port
” (USB port number shown in the above figure) and set the correct “
Baudrate
” (the default
value: 115200bps). For more details of the usage of QCOM, please refer to
document [4]
.
