/* * Name: utils.h * Project: AVR-Doper * Author: Christian Starkjohann <cs@obdev.at> * Creation Date: 2006-07-02 * Tabsize: 4 * Copyright: (c) 2006 by Christian Starkjohann, all rights reserved. * License: Proprietary, see documentation. * Revision: $Id: utils.h 223 2006-07-18 09:28:13Z cs $ *//*General Description:This module contains general purpose macros and functions:  - uchar and uint data types  - highbyte/lowbyte access  - string concatenation tricks  - binary constant interpretation  - port pin access*/#ifndef __utils_h_included__#define __utils_h_included__#ifndef uchar#define uchar   unsigned char#endif#ifndef uint#define uint    unsigned int#endiftypedef union{    uint    word;    uchar   bytes[2];}utilWord_t;typedef union{    unsigned long   dword;    uchar           bytes[4];}utilDword_t;/* ------------------------------------------------------------------------- */#define UTIL_CONCAT(a, b)           a ## b#define UTIL_CONCAT_EXPANDED(a, b)  UTIL_CONCAT(a, b)#define UTIL_INTERRUPT(signame)                         \    void signame (void) __attribute__ ((interrupt));    \    void signame (void)#define UTIL_BIN4(x)        (uchar)((0##x & 01000)/64 + (0##x & 0100)/16 + (0##x & 010)/4 + (0##x & 1))#define UTIL_BIN8(hi, lo)   (uchar)(UTIL_BIN4(hi) * 16 + UTIL_BIN4(lo))/* ------------------------------------------------------------------------- */static inline uchar utilHi8(uint x){utilWord_t converter;    converter.word = x;    return converter.bytes[1];}/* ------------------------------------------------------------------------- *//* PORT bit macros */#define UTIL_ARG1(a, b) a#define UTIL_ARG2(a, b) b#define UTIL_PBIT_SET(varbase, pinspec)  UTIL_CONCAT_EXPANDED(varbase, UTIL_ARG1(pinspec)) |= (1 << (UTIL_ARG2(pinspec)))#define UTIL_PBIT_CLR(varbase, pinspec)  UTIL_CONCAT_EXPANDED(varbase, UTIL_ARG1(pinspec)) &= ~(1 << (UTIL_ARG2(pinspec)))#define PORT_OUT(pinspec)       UTIL_CONCAT_EXPANDED(PORT, UTIL_ARG1(pinspec))#define PORT_IN(pinspec)        UTIL_CONCAT_EXPANDED(PIN, UTIL_ARG1(pinspec))#define PORT_DDR(pinspec)       UTIL_CONCAT_EXPANDED(DDR, UTIL_ARG1(pinspec))#define PORT_BIT(pinspec)       UTIL_ARG2(pinspec)#define PORT_PIN_SET(pinspec)   UTIL_CONCAT_EXPANDED(PORT, UTIL_ARG1(pinspec)) |= (1 << (UTIL_ARG2(pinspec)))#define PORT_PIN_CLR(pinspec)   UTIL_CONCAT_EXPANDED(PORT, UTIL_ARG1(pinspec)) &= ~(1 << (UTIL_ARG2(pinspec)))#define PORT_PIN_VALUE(pinspec) (UTIL_CONCAT_EXPANDED(PIN, UTIL_ARG1(pinspec)) & (1 << (UTIL_ARG2(pinspec))))#define PORT_DDR_SET(pinspec)   UTIL_CONCAT_EXPANDED(DDR, UTIL_ARG1(pinspec)) |= (1 << (UTIL_ARG2(pinspec)))#define PORT_DDR_CLR(pinspec)   UTIL_CONCAT_EXPANDED(DDR, UTIL_ARG1(pinspec)) &= ~(1 << (UTIL_ARG2(pinspec)))#define PORT_DDR_VALUE(pinspec) (UTIL_CONCAT_EXPANDED(DDR, UTIL_ARG1(pinspec)) & (1 << (UTIL_ARG2(pinspec))))/* ------------------------------------------------------------------------- */#endif /* __utils_h_included__ */