forked from Imagelibrary/rtems
94fb377bd9
This patch introduces some new options to let the user control when
the ISR shall disable DMA RX/TX interrupt. The ISR can be set in three
modes when a RX/TX DMA interrupt is asserted:
1) ISR will always clear both RX/TX DMA interrupt enable. (DEFAULT).
2) ISR will never never RX or TX DMA interrupt enable, ISR will
leave RX/TX DMA interrupt enable untouched.
3) ISR will clear the interrupt enable(s) causing the interrupt,
this allows separate RX and TX IRQ handling.
This patch is backwards compatible since default mode 1) is activated
when the grspw_dma_config.flags DMAFLAGS2_IRQD field is 0.
This is the Real-Time Executive for Multiprocessing Systems (RTEMS). The version number for this software is indicated in the VERSION file. See the documentation manuals in doc/ with daily builds available online at http://rtems.org/onlinedocs/doc-current/share/rtems/html/ and released builds at http://www.rtems.org/onlinedocs/releases/ for information on building, installing, and using RTEMS. The INSTALL file tells you to come back here. See the RTEMS Wiki at http://devel.rtems.org for community knowledge and tutorials. RTEMS Doxygen available at http://www.rtems.org/onlinedocs/doxygen/cpukit/html The RTEMS Project maintains mailing lists which are used for most discussions: * For general-purpose questions related to using RTEMS, use the rtems-users ml: https://lists.rtems.org/mailman/listinfo/users * For questions and discussion related to development of RTEMS, use the rtems-devel ml: https://lists.rtems.org/mailman/listinfo/devel See https://devel.rtems.org/ to view existing or file a new issue report ticket.