EN 72
3139 785 31532
Firmware Upgrading & Diagnostic Software
5.
Nucleus Name
DS_HDMI_Communication
Nucleus Number
1501
Description
Check the communication between the I2C controller on the Codec and the
HDMI-IC by reading and writing data to one device register. This test detects
faults of the I2C lines or a defected HDMI transmitter IC.
Technical
-
Read out an accessible register in the HDMI transmitter IC
-
Modify this register by writing a known value to it
-
Read back and check this value for correctness
Execution Time
Less than 1 second.
User Input
None
Error Number
Description
150100
Communicating with the HDMI tx chip succeeded
150101
Failed to retrieve the hardware diversity string
150102
Failed to initialise the IIC communication
150103
The hardware was not detected although indicated by Diversity
150104
An IIC-bus error occurred
150105
There was a timeout reading the device
150106
The IIC bus was not accessible
150107
The IIC acknowledge was not received
150108
There was an IIC error upon the stop-condition
150109
The IIC bus was chosen wrong
150110
The IIC functionality is not running
150111
An unknown error was returned by the IIC read
150112
The data written did not equal the date read
Example
DS:> 1501
150100:
Test OK @