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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-10-12 09:29:12 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-10-12 09:29:12 +0000 |
| commit | 0320aa53143ea1bb908c90c599fa6bdd3fce2c46 (patch) | |
| tree | fb312a61e589d5b70d8f3a6b15d662b97bb0f89a /os/hal/ports/LPC/LPC214x/vic.c | |
| parent | 66ea340bb19d5af9294f0b348ac1c4550117c367 (diff) | |
| download | ChibiOS-0320aa53143ea1bb908c90c599fa6bdd3fce2c46.tar.gz ChibiOS-0320aa53143ea1bb908c90c599fa6bdd3fce2c46.tar.bz2 ChibiOS-0320aa53143ea1bb908c90c599fa6bdd3fce2c46.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7387 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/ports/LPC/LPC214x/vic.c')
| -rw-r--r-- | os/hal/ports/LPC/LPC214x/vic.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/os/hal/ports/LPC/LPC214x/vic.c b/os/hal/ports/LPC/LPC214x/vic.c new file mode 100644 index 000000000..18bb795b4 --- /dev/null +++ b/os/hal/ports/LPC/LPC214x/vic.c @@ -0,0 +1,64 @@ +/*
+ ChibiOS - Copyright (C) 2006-2014 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file LPC214x/vic.c
+ * @brief LPC214x VIC peripheral support code.
+ *
+ * @addtogroup LPC214x_VIC
+ * @{
+ */
+
+#include "hal.h"
+
+/**
+ * @brief VIC Initialization.
+ * @note Better reset everything in the VIC, it is a HUGE source of trouble.
+ *
+ * @notapi
+ */
+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
+ *
+ * @api
+ */
+void SetVICVector(void *handler, int vector, int source) {
+
+ VIC *vicp = VICBase;
+ vicp->VIC_VectAddrs[vector] = (IOREG32)handler;
+ vicp->VIC_VectCntls[vector] = (IOREG32)(source | 0x20);
+}
+
+/** @} */
|