sendchar.h

906 bytes
 1/*
 2Copyright 2011 Jun Wako <wakojun@gmail.com>
 3
 4This program is free software: you can redistribute it and/or modify
 5it under the terms of the GNU General Public License as published by
 6the Free Software Foundation, either version 2 of the License, or
 7(at your option) any later version.
 8
 9This program is distributed in the hope that it will be useful,
10but WITHOUT ANY WARRANTY; without even the implied warranty of
11MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12GNU General Public License for more details.
13
14You should have received a copy of the GNU General Public License
15along with this program.  If not, see <http://www.gnu.org/licenses/>.
16*/
17
18#pragma once
19
20#include <stdint.h>
21
22#ifdef __cplusplus
23extern "C" {
24#endif
25
26typedef int8_t (*sendchar_func_t)(uint8_t c);
27
28/* transmit a character.  return 0 on success, -1 on error. */
29int8_t sendchar(uint8_t c);
30
31#ifdef __cplusplus
32}
33#endif