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/*
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/>.
*/
/*
* Core file for MingGW32 demo project.
*/
#include <windows.h>
#include <stdio.h>
#undef CDECL
#include <ch.h>
static LARGE_INTEGER nextcnt;
static LARGE_INTEGER slice;
void InitSimCom1(void);
void InitSimCom2(void);
BOOL Com1ConnInterruptSimCom(void);
BOOL Com2ConnInterruptSimCom(void);
BOOL Com1InInterruptSimCom(void);
BOOL Com2InInterruptSimCom(void);
BOOL Com1OutInterruptSimCom(void);
BOOL Com2OutInterruptSimCom(void);
/*
* Simulated HW initialization.
*/
void InitCore(void) {
WSADATA wsaData;
// Initialization.
if (WSAStartup(2, &wsaData) != 0) {
printf("Unable to locate a winsock DLL\n");
exit(1);
}
printf("Win32 ChibiOS/RT simulator\n\n");
printf("Thread structure %d bytes\n", sizeof(Thread));
if (!QueryPerformanceFrequency(&slice)) {
printf("QueryPerformanceFrequency() error");
exit(1);
}
printf("Core Frequency %u Hz\n", (int)slice.LowPart);
slice.QuadPart /= CH_FREQUENCY;
QueryPerformanceCounter(&nextcnt);
nextcnt.QuadPart += slice.QuadPart;
InitSimCom1();
InitSimCom2();
}
/*
* Interrupt simulation.
*/
void ChkIntSources(void) {
LARGE_INTEGER n;
if (Com1InInterruptSimCom() || Com2InInterruptSimCom() ||
Com1OutInterruptSimCom() || Com2OutInterruptSimCom() ||
Com1ConnInterruptSimCom() || Com2ConnInterruptSimCom()) {
if (chSchRescRequiredI())
chSchDoRescheduleI();
return;
}
// Interrupt Timer simulation (10ms interval).
QueryPerformanceCounter(&n);
if (n.QuadPart > nextcnt.QuadPart) {
nextcnt.QuadPart += slice.QuadPart;
chSysTimerHandlerI();
if (chSchRescRequiredI())
chSchDoRescheduleI();
}
}
msg_t _IdleThread(void *p) {
while (TRUE) {
ChkIntSources();
Sleep(0);
}
}
__attribute__((fastcall)) void chSysHalt(void) {
exit(2);
}
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