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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-08-10 14:58:16 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-08-10 14:58:16 +0000 |
| commit | 51b16c7a2dbd4f3d0be30049a4dad702961bfb8b (patch) | |
| tree | 2e43247fbfc993d21f3b66381999e15886bdc81e /os/hal/boards/OLIMEX_LPC_P2148/board.c | |
| parent | ff1b36acdc78609a835e3e20bf9897399c08806f (diff) | |
| download | ChibiOS-51b16c7a2dbd4f3d0be30049a4dad702961bfb8b.tar.gz ChibiOS-51b16c7a2dbd4f3d0be30049a4dad702961bfb8b.tar.bz2 ChibiOS-51b16c7a2dbd4f3d0be30049a4dad702961bfb8b.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6126 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/boards/OLIMEX_LPC_P2148/board.c')
| -rw-r--r-- | os/hal/boards/OLIMEX_LPC_P2148/board.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/os/hal/boards/OLIMEX_LPC_P2148/board.c b/os/hal/boards/OLIMEX_LPC_P2148/board.c new file mode 100644 index 000000000..1c0a00302 --- /dev/null +++ b/os/hal/boards/OLIMEX_LPC_P2148/board.c @@ -0,0 +1,95 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 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.
+*/
+
+#include "ch.h"
+#include "hal.h"
+
+#define VAL_TC0_PRESCALER 0
+
+/**
+ * @brief PAL setup.
+ * @details Digital I/O ports static configuration as defined in @p board.h.
+ * This variable is used by the HAL when initializing the PAL driver.
+ */
+#if HAL_USE_PAL || defined(__DOXYGEN__)
+const PALConfig pal_default_config =
+{
+ VAL_PINSEL0,
+ VAL_PINSEL1,
+ VAL_PINSEL2,
+ {VAL_FIO0PIN, VAL_FIO0DIR},
+ {VAL_FIO1PIN, VAL_FIO1DIR}
+};
+#endif
+
+/*
+ * 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 must be performed just after stack setup and before
+ * any other initialization.
+ */
+void __early_init(void) {
+
+ lpc214x_clock_init();
+}
+
+#if HAL_USE_MMC_SPI
+/* Board-related functions related to the MMC_SPI driver.*/
+bool_t mmc_lld_is_card_inserted(MMCDriver *mmcp) {
+
+ (void)mmcp;
+ return !palReadPad(IOPORT2, PB_CP1);
+}
+
+bool_t mmc_lld_is_write_protected(MMCDriver *mmcp) {
+
+ (void)mmcp;
+ return palReadPad(IOPORT2, PB_WP1);
+}
+#endif
+
+/*
+ * Board-specific initialization code.
+ */
+void boardInit(void) {
+
+ /*
+ * 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. */
+}
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