
UM0853
Data transfer management (picture demo)
Doc ID 16609 Rev 1
43/49
Figure 105. Selecting RF to download the picture
You then have to click on the
Upload by RF
button to launch the upload process (see
Figure 106
).
Figure 106. Downloading the picture by RF
The application reads the contents of the EEPROM. A progress bar (shown in
Figure 107
)
indicates that the process is running.
Figure 107. Progress bar
If the download process is successful, the picture is displayed on the screen like in
Figure 108
. Otherwise, an error message appears (see
Figure 109
).
Figure 108. The ST logo is displayed
Figure 109. Error message
You can use the CHECK COMMUNICATION area to verify whether the data were read
successfully or not.
If you used the I2C bus to download the picture, click on
check I2C communication
. The
color of the circle will tell you if the upload process was successful (green circle) or failed
(red circle).
If you used the RF interface to download the picture, click on
check RF communication
.
The color of the circle will tell you if the upload process was successful (green circle) or
failed (red circle).
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