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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-02-21 11:35:10 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-02-21 11:35:10 +0000 |
| commit | 8cd9954ec674d2fe29620c292355562d554c5fd4 (patch) | |
| tree | 0d860a742d195339ae9fc1d9c8523645b6c8a1a1 /os/hal/platforms/Posix/hal_lld.c | |
| parent | fe7b598fa217929aad1097233efa57acb7ce8783 (diff) | |
| download | ChibiOS-8cd9954ec674d2fe29620c292355562d554c5fd4.tar.gz ChibiOS-8cd9954ec674d2fe29620c292355562d554c5fd4.tar.bz2 ChibiOS-8cd9954ec674d2fe29620c292355562d554c5fd4.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1652 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/Posix/hal_lld.c')
| -rw-r--r-- | os/hal/platforms/Posix/hal_lld.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/os/hal/platforms/Posix/hal_lld.c b/os/hal/platforms/Posix/hal_lld.c new file mode 100644 index 000000000..578051d70 --- /dev/null +++ b/os/hal/platforms/Posix/hal_lld.c @@ -0,0 +1,94 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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 Linux/hal_lld.c
+ * @brief Linux HAL subsystem low level driver code.
+ * @addtogroup LINUX_HAL
+ * @{
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+
+#include "ch.h"
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+static struct timeval nextcnt;
+static struct timeval tick = {0, 1000000 / CH_FREQUENCY};
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level HAL driver initialization.
+ */
+void hal_lld_init(void) {
+
+#if defined(__APPLE__)
+ puts("ChibiOS/RT simulator (OS X)\n");
+#else
+ puts("ChibiOS/RT simulator (Linux)\n");
+#endif
+ gettimeofday(&nextcnt, NULL);
+ timeradd(&nextcnt, &tick, &nextcnt);
+}
+
+/**
+ * @brief Interrupt simulation.
+ */
+void ChkIntSources(void) {
+ struct timeval tv;
+
+#if CH_HAL_USE_SERIAL
+ if (sd_lld_interrupt_pending()) {
+ if (chSchIsRescRequiredExI())
+ chSchDoRescheduleI();
+ return;
+ }
+#endif
+
+ gettimeofday(&tv, NULL);
+ if (timercmp(&tv, &nextcnt, >=)) {
+ timeradd(&nextcnt, &tick, &nextcnt);
+ chSysTimerHandlerI();
+ if (chSchIsRescRequiredExI())
+ chSchDoRescheduleI();
+ }
+}
+
+/** @} */
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