I²C Control Panel; I²C Master Operations - DEICO ONYX DE4001 User Manual

Controls displayed on the UI are changed automatically whenever the operation mode is
changed. Users can select the operation mode according to their needs. For example, if user
needs both I²C and SPI controls, I²C/SPI mode should be selected, if GPIO pins are needed
along with SPI, SPI/GPIO mode should be selected.
Note There are six operational pins on the Onyx device, two for I²C and four for SPI.
GPIO pins are configured according to the operation mode. Pins of communication
protocol that is not selected are configured as GPIO for I²C/GPIO and SPI/GPIO pins.
For example, in I²C/GPIO mode, SPI pins are configured as GPIO pins. In the GPIO
mode, all pins are configured as GPIO pins.
I²C Control Panel
When user selects any operation mode with I²C enabled, I²C Control panel is displayed.
There are two tabs to control the I²C, one is for master operations and the other is for the
slave operations.
I²C Master Operations
In the I²C master mode, user can:
 Set bit rate
 Write to a slave device
 Read from a slave device
 Read a register value from a slave device
DE4001_USER MANUAL
Rev. No:0 Rev. Date: 05.08.2023
Figure 16: I²C control panel
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