From 16178e1c45a76544d34ce63db37932838353637c Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 28 Nov 2009 12:25:35 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1333 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/LPC214x/vic.c | 63 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 os/hal/platforms/LPC214x/vic.c (limited to 'os/hal/platforms/LPC214x/vic.c') 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 . +*/ + +/** + * @file LPC214x/vic.c + * @brief LPC214x VIC peripheral support code. + * @addtogroup LPC214x_VIC + * @{ + */ + +#include + +#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); +} + +/** @} */ -- cgit v1.2.3