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e69a103884
This change adds a send_done call at the end of show_fw_ver. With this change Cr50 will set the state to rx_idle after every usb_update -f call. Cr50 cannot process any vendor commands unless the updater state is idle. After a vendor command is sent cr50 wont set the state to idle unless it receives a send_done call. It will also reset the state if it sees that it has been more than 5 seconds since the last transfer. In the current state you cannot use usb_updater -f back to back because usb_updater doesn't call send_done through the -f path. If you wait 5 seconds between calls, then it will work. If the call fails and you keep retrying waiting less than 5 seconds between calls, then it will fail forever. The last transfer time will get reset with each call and Cr50 will never reach the timeout to reset the usb_update state to idle. BUG=none BRANCH=cr50 TEST=run 'sudo ./usb_updater -f && sudo ./usb_updater -f'. Verify both calls succeed. Change-Id: I5daca8e03ece840288abb61e02a528a9af0ada30 Signed-off-by: Mary Ruthven <mruthven@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/465491 Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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