fix led test do not flicker issue.
add two declaration of flash interface.
fix some issue of reset/search card and add reader_api_test
fix the issue that can not control both valve at the same time.
add for reader and led test
fix the issue that usart4 can not communicate with card reader board.
1.add reader api test for factory test screen.
2.disable auto test, change to press OK key to continue test loop.
1.add poweroff detect driver
2.use EXTI(11) and rising trigger for detect source.
update project settings.
Merge remote-tracking branch 'origin/master'