Figure 44.
PC software R2H successful firmware upgrade
Reader to host image download
This function sends data from the reader to the STM32L476xx microcontroller device. In this demonstration, data
is composed of jpeg images, stored in the Flash memory and displayed when the transfer is successful.
To prepare the ST25DV64KC-DISCO for the R2H picture transfer demonstration, power on the board, then touch
the FTM icon to start the fast transfer mode demonstration (see
It is now waiting for a reader action to continue the demonstration, as illustrated in the
Smart phone and picture download transfer
sections.
During the transfer, the full length of data transmitted is displayed and a progress bar indicates the progression.
When the transfer is successfully done, the computed CRC and transfer duration are displayed on screen. To
display the downloaded picture touch the screen. To return to the Fast transfer mode demonstration simply touch
the screen.
Smart phone and picture transfers
Features:
•
Send a picture to the tag.
•
Receive a picture from the tag.
Picture upload steps:
1.
Check the mailbox status (c.f. drawer menus).
2.
Select “FTM demos” in drawer menu.
UM2949
Main menu
UM2949
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Rev 1
page 38/60