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# hif.h

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    00001 /* Copyright (c) 2007 Axel Wachtler
    00002    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    * Redistributions of source code must retain the above copyright
    00009      notice, this list of conditions and the following disclaimer.
    00010    * 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    * Neither the name of the authors nor the names of its contributors
    00014      may be used to endorse or promote products derived from this software
    00015      without specific prior written permission.
    00016
    00017    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    00018    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    00019    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    00020    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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 /* $Id: hif.h,v 1.5 2009/02/11 22:13:34 awachtler Exp $ */
    00036 #ifndef HIF_H
    00037 #define HIF_H
    00038
    00039
    00040 /* === types =========================================== */
    00041 #include <stdarg.h>
    00042 #include <avr/pgmspace.h>
    00046 #define FLASH_STRING_T  PGM_P
    00047 #define FLASH_STRING(x) PSTR(x)
    00048
    00049 #define PRINTF(fmt, ...) hif_printf(FLASH_STRING(fmt), __VA_ARGS__)
    00050
    00051 #define PRINT(fmt) hif_echo(FLASH_STRING(fmt))
    00052
    00053 #define DUMP(sz,ptr) hif_dump(sz,ptr)
    00054 #define HIF_PUTS_NEWLINE() hif_puts_p(FLASH_STRING("\n\r"))
    00055
    00056
    00057 /* === Prototypes ====================================== */
    00058
    00064 void hif_init(const uint16_t baudrate);
    00065
    00072 void hif_puts_p(const char *progmem_s);
    00073
    00080 void hif_puts(const char *s );
    00081
    00089 uint8_t hif_put_blk(unsigned char *data, uint8_t size);
    00090
    00096 void hif_putc(unsigned char data);
    00097
    00103 void hif_echo(FLASH_STRING_T str);
    00104
    00111 void hif_printf(FLASH_STRING_T fmt, ...);
    00112
    00119 void hif_dump(uint16_t sz, uint8_t *d);
    00120
    00127 unsigned int hif_getc(void);
    00128
    00136 uint8_t hif_get_blk(unsigned char *data, uint8_t max_size);
    00137
    00138
    00151 static inline int hif_split_args(char *txtline, int maxargs, char **argv)
    00152 {
    00153 uint8_t argc = 0, nextarg = 1;
    00154
    00155     while((*txtline !=0) && (argc < maxargs))
    00156     {
    00157         if (*txtline == ' ')
    00158         {
    00159             *txtline = 0;
    00160             nextarg = 1;
    00161         }
    00162         else
    00163         {
    00164             if(nextarg)
    00165             {
    00166                 argv[argc] = txtline;
    00167                 argc++;
    00168                 nextarg = 0;
    00169             }
    00170         }
    00171         txtline++;
    00172     }
    00173
    00174     return argc;
    00175 }
    00176
    00178 #endif /* HIF_H */