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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-11-29 08:50:13 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-11-29 08:50:13 +0000 |
| commit | d4c616e6eeb0587ca450c75b1086efa77ac690e5 (patch) | |
| tree | 956be5c79924929b0c79c6aa792ad5b8bff31ede /os/hal/platforms/LPC214x/vic.c | |
| parent | 87417b01023059aa833f376d9bd7aea5174a5f1b (diff) | |
| download | ChibiOS-d4c616e6eeb0587ca450c75b1086efa77ac690e5.tar.gz ChibiOS-d4c616e6eeb0587ca450c75b1086efa77ac690e5.tar.bz2 ChibiOS-d4c616e6eeb0587ca450c75b1086efa77ac690e5.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1351 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/LPC214x/vic.c')
| -rw-r--r-- | os/hal/platforms/LPC214x/vic.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/os/hal/platforms/LPC214x/vic.c b/os/hal/platforms/LPC214x/vic.c new file mode 100644 index 000000000..685830063 --- /dev/null +++ b/os/hal/platforms/LPC214x/vic.c @@ -0,0 +1,63 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file LPC214x/vic.c
+ * @brief LPC214x VIC peripheral support code.
+ * @addtogroup LPC214x_VIC
+ * @{
+ */
+
+#include <ch.h>
+
+#include "lpc214x.h"
+
+/**
+ * @brief VIC Initialization.
+ * @note Better reset everything in the VIC, it is a HUGE source of trouble.
+ */
+void vic_init(void) {
+ int i;
+
+ VIC *vic = VICBase;
+ vic->VIC_IntSelect = 0; /* All sources assigned to IRQ. */
+ vic->VIC_SoftIntClear = ALLINTMASK; /* No interrupts enforced */
+ vic->VIC_IntEnClear = ALLINTMASK; /* All sources disabled. */
+ for (i = 0; i < 16; i++) {
+ vic->VIC_VectCntls[i] = 0;
+ vic->VIC_VectAddrs[i] = 0;
+ vic->VIC_VectAddr = 0;
+ }
+}
+
+/**
+ * @brief Initializes a VIC vector.
+ * @details Set a vector for an interrupt source and enables it.
+ * @param[in] handler the pointer to the IRQ service routine
+ * @param[in] vector the vector number
+ * @param[in] source the IRQ source to be associated to the vector
+ */
+void SetVICVector(void *handler, int vector, int source) {
+
+ VIC *vicp = VICBase;
+ vicp->VIC_VectAddrs[vector] = (IOREG32)handler;
+ vicp->VIC_VectCntls[vector] = (IOREG32)(source | 0x20);
+}
+
+/** @} */
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