56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* sd2iec - SD/MMC to Commodore serial bus interface/controller
|
|
Copyright (C) 2007-2016 Ingo Korb <ingo@akana.de>
|
|
|
|
Inspired by MMC2IEC by Lars Pontoppidan et al.
|
|
|
|
FAT filesystem access based on code from ChaN and Jim Brain, see ff.c|h.
|
|
|
|
This program 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; version 2 of the License only.
|
|
|
|
This program 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, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
|
|
utils.c: Misc. utility functions that didn't fit elsewhere
|
|
|
|
*/
|
|
|
|
#ifndef UTILS_H
|
|
#define UTILS_H
|
|
|
|
/* Side-effect safe min/max */
|
|
#define max(a,b) \
|
|
({ typeof (a) _a = (a); \
|
|
typeof (b) _b = (b); \
|
|
_a > _b ? _a : _b; })
|
|
|
|
#define min(a,b) \
|
|
({ typeof (a) _a = (a); \
|
|
typeof (b) _b = (b); \
|
|
_a < _b ? _a : _b; })
|
|
|
|
|
|
/* Write a number to a string as ASCII */
|
|
uint8_t *appendnumber(uint8_t *msg, uint8_t value);
|
|
|
|
/* Convert between integer and BCD */
|
|
uint8_t bcd2int(uint8_t value);
|
|
uint8_t int2bcd(uint8_t value);
|
|
|
|
/* Tokenize a string like strtok_r, but with a single delimiter character only */
|
|
uint8_t *ustr1tok(uint8_t *str, const uint8_t delim, uint8_t **saveptr);
|
|
|
|
/* ASCII to PETSCII string conversion */
|
|
void asc2pet(uint8_t *buf);
|
|
// note: not moving pet2asc out of fatops saves 6 bytes on AVR
|
|
|
|
#endif
|