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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-12-18 16:34:00 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-12-18 16:34:00 +0000 |
| commit | 975e69edff11251af638e1a60b2218e85d4bee3d (patch) | |
| tree | 477e27128ae37c6745a39b12c9b71d835425ee5a /boards/OLIMEX_LPC_P2148/board.c | |
| parent | 1b3389efe138899953b586965b54457542df67cd (diff) | |
| download | ChibiOS-975e69edff11251af638e1a60b2218e85d4bee3d.tar.gz ChibiOS-975e69edff11251af638e1a60b2218e85d4bee3d.tar.bz2 ChibiOS-975e69edff11251af638e1a60b2218e85d4bee3d.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1437 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'boards/OLIMEX_LPC_P2148/board.c')
| -rw-r--r-- | boards/OLIMEX_LPC_P2148/board.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/boards/OLIMEX_LPC_P2148/board.c b/boards/OLIMEX_LPC_P2148/board.c new file mode 100644 index 000000000..d88d05112 --- /dev/null +++ b/boards/OLIMEX_LPC_P2148/board.c @@ -0,0 +1,79 @@ +/*
+ 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/>.
+*/
+
+#include "ch.h"
+#include "hal.h"
+
+#define VAL_TC0_PRESCALER 0
+
+/*
+ * Timer 0 IRQ handling here.
+ */
+static CH_IRQ_HANDLER(T0IrqHandler) {
+
+ CH_IRQ_PROLOGUE();
+ T0IR = 1; /* Clear interrupt on match MR0. */
+
+ chSysLockFromIsr();
+ chSysTimerHandlerI();
+ chSysUnlockFromIsr();
+
+ VICVectAddr = 0;
+ CH_IRQ_EPILOGUE();
+}
+
+/*
+ * Early initialization code.
+ * This initialization is performed just after reset before BSS and DATA
+ * segments initialization.
+ */
+void hwinit0(void) {
+
+ lpc214x_clock_init();
+}
+
+/*
+ * Late initialization code.
+ * This initialization is performed after BSS and DATA segments initialization
+ * and before invoking the main() function.
+ */
+void hwinit1(void) {
+
+ /*
+ * HAL initialization.
+ */
+ halInit();
+
+ /*
+ * System Timer initialization, 1ms intervals.
+ */
+ SetVICVector(T0IrqHandler, 0, SOURCE_Timer0);
+ VICIntEnable = INTMASK(SOURCE_Timer0);
+ TC *timer = T0Base;
+ timer->TC_PR = VAL_TC0_PRESCALER;
+ timer->TC_MR0 = (PCLK / CH_FREQUENCY) / (VAL_TC0_PRESCALER + 1);
+ timer->TC_MCR = 3; /* Interrupt and clear TC on match MR0. */
+ timer->TC_TCR = 2; /* Reset counter and prescaler. */
+ timer->TC_TCR = 1; /* Timer enabled. */
+
+ /*
+ * ChibiOS/RT initialization.
+ */
+ chSysInit();
+}
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