diff options
Diffstat (limited to 'nuttx/arch/arm/src/kinetis/kinetis_pindma.c')
| -rw-r--r-- | nuttx/arch/arm/src/kinetis/kinetis_pindma.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/nuttx/arch/arm/src/kinetis/kinetis_pindma.c b/nuttx/arch/arm/src/kinetis/kinetis_pindma.c index 91132a6a7..40acdc036 100644 --- a/nuttx/arch/arm/src/kinetis/kinetis_pindma.c +++ b/nuttx/arch/arm/src/kinetis/kinetis_pindma.c @@ -1,7 +1,7 @@ /**************************************************************************** * arch/arm/src/kinetis/kinetis_pindma.c * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Copyright (C) 201, 2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -84,6 +84,10 @@ void kinetis_pindmaenable(uint32_t pinset) DEBUGASSERT(port < KINETIS_NPORTS); if (port < KINETIS_NPORTS) { + /* Get the base address of PORT block for this port */ + + base = KINETIS_PORT_BASE(port); + /* Modify the IRQC field of the port PCR register in order to enable DMA. */ regval = getreg32(base + KINETIS_PORT_PCR_OFFSET(pin)); @@ -134,6 +138,10 @@ void kinetis_pindmadisable(uint32_t pinset) DEBUGASSERT(port < KINETIS_NPORTS); if (port < KINETIS_NPORTS) { + /* Get the base address of PORT block for this port */ + + base = KINETIS_PORT_BASE(port); + /* Clear the IRQC field of the port PCR register in order to disable DMA. */ regval = getreg32(base + KINETIS_PORT_PCR_OFFSET(pin)); |