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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-11-28 12:25:35 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-11-28 12:25:35 +0000 |
| commit | 16178e1c45a76544d34ce63db37932838353637c (patch) | |
| tree | b5dbcc988f6d518819b9182f60b8ae6f81bbf61b /os/hal/platforms/AT91SAM7/at91lib/aic.c | |
| parent | 9b10a6c67a38fa040eb62e63190aed0880ead8ec (diff) | |
| download | ChibiOS-16178e1c45a76544d34ce63db37932838353637c.tar.gz ChibiOS-16178e1c45a76544d34ce63db37932838353637c.tar.bz2 ChibiOS-16178e1c45a76544d34ce63db37932838353637c.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1333 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/AT91SAM7/at91lib/aic.c')
| -rw-r--r-- | os/hal/platforms/AT91SAM7/at91lib/aic.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/os/hal/platforms/AT91SAM7/at91lib/aic.c b/os/hal/platforms/AT91SAM7/at91lib/aic.c new file mode 100644 index 000000000..66eebf94e --- /dev/null +++ b/os/hal/platforms/AT91SAM7/at91lib/aic.c @@ -0,0 +1,84 @@ +/* ----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support - ROUSSET -
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2006, Atmel Corporation
+
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaiimer below.
+ *
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the disclaimer below in the documentation and/or
+ * other materials provided with the distribution.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+//------------------------------------------------------------------------------
+// Headers
+//------------------------------------------------------------------------------
+
+#include "aic.h"
+#include <board.h>
+
+//------------------------------------------------------------------------------
+// Exported functions
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// Configures the interrupt associated with the given source, using the
+/// specified mode and interrupt handler.
+/// \param source Interrupt source to configure.
+/// \param mode Triggering mode of the interrupt.
+/// \param handler Interrupt handler function.
+//------------------------------------------------------------------------------
+void AIC_ConfigureIT(unsigned int source,
+ unsigned int mode,
+ void (*handler)( void ))
+{
+ // Disable the interrupt first
+ AT91C_BASE_AIC->AIC_IDCR = 1 << source;
+
+ // Configure mode and handler
+ AT91C_BASE_AIC->AIC_SMR[source] = mode;
+ AT91C_BASE_AIC->AIC_SVR[source] = (unsigned int) handler;
+
+ // Clear interrupt
+ AT91C_BASE_AIC->AIC_ICCR = 1 << source;
+}
+
+//------------------------------------------------------------------------------
+/// Enables interrupts coming from the given (unique) source.
+/// \param source Interrupt source to enable.
+//------------------------------------------------------------------------------
+void AIC_EnableIT(unsigned int source)
+{
+ AT91C_BASE_AIC->AIC_IECR = 1 << source;
+}
+
+//------------------------------------------------------------------------------
+/// Disables interrupts coming from the given (unique) source.
+/// \param source Interrupt source to enable.
+//------------------------------------------------------------------------------
+void AIC_DisableIT(unsigned int source)
+{
+ AT91C_BASE_AIC->AIC_IDCR = 1 << source;
+}
+
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