00001 /* 00002 * Copyright (c) 2010, Kelvin Lawson. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions 00006 * are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. No personal names or organizations' names associated with the 00014 * Atomthreads project may be used to endorse or promote products 00015 * derived from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE ATOMTHREADS PROJECT AND CONTRIBUTORS 00018 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00019 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00020 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE 00021 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00027 * POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 #ifndef __ATOM_PORT_H 00031 #define __ATOM_PORT_H 00032 00033 00034 #include "stm8s_type.h" 00035 00036 #if defined(__IAR_SYSTEMS_ICC__) 00037 #include "intrinsics.h" 00038 #endif 00039 00040 00041 /* Required number of system ticks per second (normally 100 for 10ms tick) */ 00042 #define SYSTEM_TICKS_PER_SEC 100 00043 00044 00048 #define int8_t s8 00049 #define int16_t s16 00050 #define int32_t s32 00051 #define uint8_t u8 00052 #define uint16_t u16 00053 #define uint32_t u32 00054 #define POINTER void * 00055 00056 00057 /* Critical region protection */ 00058 00059 /* COSMIC: Use inline assembler */ 00060 #if defined(__CSMC__) 00061 #define CRITICAL_STORE uint8_t ccr 00062 #define CRITICAL_START() _asm ("push CC\npop a\nld (X),A\nsim", &ccr) 00063 #define CRITICAL_END() _asm ("ld A,(X)\npush A\npop CC", &ccr) 00064 00065 /* IAR: Use intrinsics */ 00066 #elif defined(__IAR_SYSTEMS_ICC__) 00067 #define CRITICAL_STORE __istate_t _istate 00068 #define CRITICAL_START() _istate = __get_interrupt_state(); __disable_interrupt() 00069 #define CRITICAL_END() __set_interrupt_state(_istate) 00070 #endif 00071 00072 /* Uncomment to enable stack-checking */ 00073 /* #define ATOM_STACK_CHECKING */ 00074 00075 00076 #endif /* __ATOM_PORT_H */