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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-11-03 14:07:06 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-11-03 14:07:06 +0000 |
| commit | 8b0021db47f08c7523609987d87be34176bbe9d4 (patch) | |
| tree | f8f0e4efdb5b51a3c230bb98eaeef298a4e7428f /os/hal/ports/simulator/win32/hal_lld.c | |
| parent | fb68952e20435450ece99a1d1bbc399bf292b355 (diff) | |
| download | ChibiOS-8b0021db47f08c7523609987d87be34176bbe9d4.tar.gz ChibiOS-8b0021db47f08c7523609987d87be34176bbe9d4.tar.bz2 ChibiOS-8b0021db47f08c7523609987d87be34176bbe9d4.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7472 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/ports/simulator/win32/hal_lld.c')
| -rw-r--r-- | os/hal/ports/simulator/win32/hal_lld.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/os/hal/ports/simulator/win32/hal_lld.c b/os/hal/ports/simulator/win32/hal_lld.c new file mode 100644 index 000000000..a42815c0c --- /dev/null +++ b/os/hal/ports/simulator/win32/hal_lld.c @@ -0,0 +1,110 @@ +/*
+ ChibiOS/HAL - 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 hal_lld.c
+ * @brief WIN32 simulator HAL subsystem low level driver code.
+ *
+ * @addtogroup WIN32_HAL
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+static LARGE_INTEGER nextcnt;
+static LARGE_INTEGER slice;
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level HAL driver initialization.
+ */
+void hal_lld_init(void) {
+ WSADATA wsaData;
+
+ /* Initialization.*/
+ if (WSAStartup(2, &wsaData) != 0) {
+ printf("Unable to locate a winsock DLL\n");
+ exit(1);
+ }
+
+ printf("ChibiOS/RT simulator (Win32)\n");
+ if (!QueryPerformanceFrequency(&slice)) {
+ printf("QueryPerformanceFrequency() error");
+ exit(1);
+ }
+ slice.QuadPart /= CH_FREQUENCY;
+ QueryPerformanceCounter(&nextcnt);
+ nextcnt.QuadPart += slice.QuadPart;
+
+ fflush(stdout);
+}
+
+/**
+ * @brief Interrupt simulation.
+ */
+void _sim_check_for_interrupts(void) {
+ LARGE_INTEGER n;
+
+#if HAL_USE_SERIAL
+ if (sd_lld_interrupt_pending()) {
+ dbg_check_lock();
+ if (chSchIsPreemptionRequired())
+ chSchDoReschedule();
+ dbg_check_unlock();
+ return;
+ }
+#endif
+
+ /* Interrupt Timer simulation (10ms interval).*/
+ QueryPerformanceCounter(&n);
+ if (n.QuadPart > nextcnt.QuadPart) {
+ nextcnt.QuadPart += slice.QuadPart;
+
+ CH_IRQ_PROLOGUE();
+
+ chSysLockFromISR();
+ chSysTimerHandlerI();
+ chSysUnlockFromISR();
+
+ CH_IRQ_EPILOGUE();
+
+ dbg_check_lock();
+ if (chSchIsPreemptionRequired())
+ chSchDoReschedule();
+ dbg_check_unlock();
+ }
+}
+
+/** @} */
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