Dialog Semiconductor DA1468 series, User Manual

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UM-B-047
DA1468x Getting Started with the Development Kit
User Manual Version 7.0 23-Jul-2018
CFR0012 10 of 36
© 2018 Dialog Semiconductor
6.3.3 COM port usage
There are two virtual COM ports created by the driver with either Windows or Linux. The first (lower
number) is used to export a UART from the DA1468x device. In the previous sections this was either
COM4 or /dev/ttyUSB0. The second (higher number) is used to export measurement data from the
current sense circuitry on the ProDK
[5] to the Power Profiler tool [6] .
6.4 Configuring the serial port for UART1
Several development tools require UART1 to be routed to the FTDI serial port. Please refer to [5] for
details on how to properly configure the specific port. ProDK board connection verification can be
made using the pre-existing Terminal application.
6.4.1 Windows Host
On a Windows Host the utility RealTerm can be used to fully validate the connection to the ProDK
To make sure that the communication between the ProDK board and the development host is
properly established, it is necessary to verify the UART connection between the two nodes. To do so,
execute the following steps:
1. Connect the ProDK board to the PC board via USB cable to
USB2(DBG)
as described in
Paragraph 5.3 above.
2. Verify that the host discovered two serial ports
– the first of which connected to UART1 (see
section 6.3.3 ).
3. Start a terminal software with HEX display capabilities ( Figure 8 , Reference points 2 and 3) (i.e.
RealTerm)
4. Open the serial port ( Figure 8 , Reference points 4 and 5) which corresponds to ProDK UART1
(i.e. COM4 for Windows), using the parameters shown in Table 1:
Table 1: Parameters for connecting to UART1
Settings Values
Baud rate 57600
Data bits 8
Parity None
Stop bits 1
Handshaking None
5. Click
K2
Reset button on the ProDK board as depicted in Figure 7 . If terminal shows bytes (non-
printable characters) similar to those presented in Reference point 1 in Figure 8 on every reset
button push, the connection has been correctly setup and the programmer can be used
(sometimes other characters bytes can be sent). The sequence shows in
Figure 8 is a
confirmation sequence corresponding to a correct setup confirmation. The sequence is generated
by the Bootloader
[7] and corresponds to an ASCII string with the chip version.