Quick and dirty port of scmRTOS demo to mbed 1768. scmRTOS is a small RTOS written using C++. Offers (static) processes, critical sections, mutexes, messages, channels.

Dependencies:   mbed

Committer:
igorsk
Date:
Thu Sep 09 21:19:01 2010 +0000
Revision:
0:a405220cf420

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
igorsk 0:a405220cf420 1 //******************************************************************************
igorsk 0:a405220cf420 2 //*
igorsk 0:a405220cf420 3 //* FULLNAME: Single-Chip Microcontroller Real-Time Operating System
igorsk 0:a405220cf420 4 //*
igorsk 0:a405220cf420 5 //* NICKNAME: scmRTOS
igorsk 0:a405220cf420 6 //*
igorsk 0:a405220cf420 7 //* PROCESSOR: ARM Cortex-M3
igorsk 0:a405220cf420 8 //*
igorsk 0:a405220cf420 9 //* TOOLKIT: EWARM (IAR Systems)
igorsk 0:a405220cf420 10 //*
igorsk 0:a405220cf420 11 //* PURPOSE: Project Level Target Extensions Config
igorsk 0:a405220cf420 12 //*
igorsk 0:a405220cf420 13 //* Version: 3.10
igorsk 0:a405220cf420 14 //*
igorsk 0:a405220cf420 15 //* $Revision: 196 $
igorsk 0:a405220cf420 16 //* $Date:: 2008-06-19 #$
igorsk 0:a405220cf420 17 //*
igorsk 0:a405220cf420 18 //* Copyright (c) 2003-2010, Harry E. Zhurov
igorsk 0:a405220cf420 19 //*
igorsk 0:a405220cf420 20 //* Permission is hereby granted, free of charge, to any person
igorsk 0:a405220cf420 21 //* obtaining a copy of this software and associated documentation
igorsk 0:a405220cf420 22 //* files (the "Software"), to deal in the Software without restriction,
igorsk 0:a405220cf420 23 //* including without limitation the rights to use, copy, modify, merge,
igorsk 0:a405220cf420 24 //* publish, distribute, sublicense, and/or sell copies of the Software,
igorsk 0:a405220cf420 25 //* and to permit persons to whom the Software is furnished to do so,
igorsk 0:a405220cf420 26 //* subject to the following conditions:
igorsk 0:a405220cf420 27 //*
igorsk 0:a405220cf420 28 //* The above copyright notice and this permission notice shall be included
igorsk 0:a405220cf420 29 //* in all copies or substantial portions of the Software.
igorsk 0:a405220cf420 30 //*
igorsk 0:a405220cf420 31 //* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
igorsk 0:a405220cf420 32 //* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
igorsk 0:a405220cf420 33 //* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
igorsk 0:a405220cf420 34 //* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
igorsk 0:a405220cf420 35 //* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
igorsk 0:a405220cf420 36 //* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
igorsk 0:a405220cf420 37 //* THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
igorsk 0:a405220cf420 38 //*
igorsk 0:a405220cf420 39 //* =================================================================
igorsk 0:a405220cf420 40 //* See http://scmrtos.sourceforge.net for documentation, latest
igorsk 0:a405220cf420 41 //* information, license and contact details.
igorsk 0:a405220cf420 42 //* =================================================================
igorsk 0:a405220cf420 43 //*
igorsk 0:a405220cf420 44 //******************************************************************************
igorsk 0:a405220cf420 45 //* mbed port by Igor Skochinsky
igorsk 0:a405220cf420 46
igorsk 0:a405220cf420 47 #ifndef scmRTOS_TARGET_CFG_H
igorsk 0:a405220cf420 48 #define scmRTOS_TARGET_CFG_H
igorsk 0:a405220cf420 49
igorsk 0:a405220cf420 50 #include "device.h"
igorsk 0:a405220cf420 51
igorsk 0:a405220cf420 52 // Define SysTick clock frequency and its interrupt rate in Hz.
igorsk 0:a405220cf420 53 #define SYSTICKFREQ 100000000
igorsk 0:a405220cf420 54 #define SYSTICKINTRATE 1000
igorsk 0:a405220cf420 55
igorsk 0:a405220cf420 56 //------------------------------------------------------------------------------
igorsk 0:a405220cf420 57 //
igorsk 0:a405220cf420 58 // System Timer stuff
igorsk 0:a405220cf420 59 //
igorsk 0:a405220cf420 60 //
igorsk 0:a405220cf420 61 namespace OS
igorsk 0:a405220cf420 62 {
igorsk 0:a405220cf420 63 extern "C" void SysTick_Handler();
igorsk 0:a405220cf420 64 }
igorsk 0:a405220cf420 65
igorsk 0:a405220cf420 66 #define LOCK_SYSTEM_TIMER() ( *CPU_SYSTICKCSR &= ~CPU_SYSTICKCSR_EINT )
igorsk 0:a405220cf420 67 #define UNLOCK_SYSTEM_TIMER() ( *CPU_SYSTICKCSR |= CPU_SYSTICKCSR_EINT )
igorsk 0:a405220cf420 68
igorsk 0:a405220cf420 69 //------------------------------------------------------------------------------
igorsk 0:a405220cf420 70 //
igorsk 0:a405220cf420 71 // Context Switch ISR stuff
igorsk 0:a405220cf420 72 //
igorsk 0:a405220cf420 73 //
igorsk 0:a405220cf420 74 namespace OS
igorsk 0:a405220cf420 75 {
igorsk 0:a405220cf420 76 #if scmRTOS_IDLE_HOOK_ENABLE == 1
igorsk 0:a405220cf420 77 void IdleProcessUserHook();
igorsk 0:a405220cf420 78 #endif
igorsk 0:a405220cf420 79
igorsk 0:a405220cf420 80 #if scmRTOS_CONTEXT_SWITCH_SCHEME == 1
igorsk 0:a405220cf420 81
igorsk 0:a405220cf420 82 INLINE inline void RaiseContextSwitch() { *CPU_ICSR |= 0x10000000; }
igorsk 0:a405220cf420 83
igorsk 0:a405220cf420 84 #define ENABLE_NESTED_INTERRUPTS()
igorsk 0:a405220cf420 85
igorsk 0:a405220cf420 86 #if scmRTOS_SYSTIMER_NEST_INTS_ENABLE == 0
igorsk 0:a405220cf420 87 #define DISABLE_NESTED_INTERRUPTS() TCritSect cs
igorsk 0:a405220cf420 88 #else
igorsk 0:a405220cf420 89 #define DISABLE_NESTED_INTERRUPTS()
igorsk 0:a405220cf420 90 #endif
igorsk 0:a405220cf420 91
igorsk 0:a405220cf420 92 #else
igorsk 0:a405220cf420 93 #error "Cortex-M3 port supports software interrupt switch method only!"
igorsk 0:a405220cf420 94
igorsk 0:a405220cf420 95 #endif // scmRTOS_CONTEXT_SWITCH_SCHEME
igorsk 0:a405220cf420 96
igorsk 0:a405220cf420 97 }
igorsk 0:a405220cf420 98 //-----------------------------------------------------------------------------
igorsk 0:a405220cf420 99
igorsk 0:a405220cf420 100 #endif // scmRTOS_TARGET_CFG_H
igorsk 0:a405220cf420 101 //-----------------------------------------------------------------------------
igorsk 0:a405220cf420 102