tree e344ea16741caa7531d3f87d3fcaf40db4f6c64f
parent c8bf9f112a0701ff893d719263217b2cf4c68212
author Christina Quast <chrysh.ng+git@gmail.com> 1422551132 +0100
committer Christina Quast <chrysh.ng+git@gmail.com> 1422551132 +0100

Receiver interrupt enabled

Serial smartcard reader sends data which should be processed.
In the USART1 IRQ a status variable is set to show that data has
arrived, which should be checked for in the main function.