111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/*
|
|
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.
|
|
*/
|
|
|
|
/**
|
|
* @file Win32/hal_lld.c
|
|
* @brief Win32 HAL subsystem low level driver code.
|
|
* @addtogroup WIN32_HAL
|
|
* @{
|
|
*/
|
|
|
|
#include "ch.h"
|
|
#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 ChkIntSources(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();
|
|
}
|
|
}
|
|
|
|
/** @} */
|