diff options
Diffstat (limited to 'src/ao_stdio.c')
| -rw-r--r-- | src/ao_stdio.c | 84 | 
1 files changed, 0 insertions, 84 deletions
diff --git a/src/ao_stdio.c b/src/ao_stdio.c deleted file mode 100644 index c0138a30..00000000 --- a/src/ao_stdio.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Copyright © 2009 Keith Packard <keithp@keithp.com> - * - * 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. - * - * 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. - */ - -#include "ao.h" - -/* - * Basic I/O functions to support SDCC stdio package - */ - -#define AO_NUM_STDIOS	(HAS_USB + PACKET_HAS_SLAVE + USE_SERIAL_STDIN) - -__xdata struct ao_stdio ao_stdios[AO_NUM_STDIOS]; -__pdata int8_t ao_cur_stdio; -__pdata int8_t ao_num_stdios; - -void -putchar(char c) -{ -	if (c == '\n') -		(*ao_stdios[ao_cur_stdio].putchar)('\r'); -	(*ao_stdios[ao_cur_stdio].putchar)(c); -} - -void -flush(void) -{ -	if (ao_stdios[ao_cur_stdio].flush) -		ao_stdios[ao_cur_stdio].flush(); -} - -__xdata uint8_t ao_stdin_ready; - -char -getchar(void) __reentrant __critical -{ -	char c; -	int8_t stdio = ao_cur_stdio; - -	for (;;) { -		c = ao_stdios[stdio].pollchar(); -		if (c != AO_READ_AGAIN) -			break; -		if (++stdio == ao_num_stdios) -			stdio = 0; -		if (stdio == ao_cur_stdio) -			ao_sleep(&ao_stdin_ready); -	} -	ao_cur_stdio = stdio; -	return c; -} - -uint8_t -ao_echo(void) -{ -	return ao_stdios[ao_cur_stdio].echo; -} - -int8_t -ao_add_stdio(char (*pollchar)(void), -	     void (*putchar)(char), -	     void (*flush)(void)) __reentrant -{ -	if (ao_num_stdios == AO_NUM_STDIOS) -		ao_panic(AO_PANIC_STDIO); -	ao_stdios[ao_num_stdios].pollchar = pollchar; -	ao_stdios[ao_num_stdios].putchar = putchar; -	ao_stdios[ao_num_stdios].flush = flush; -	ao_stdios[ao_num_stdios].echo = 1; -	return ao_num_stdios++; -}  | 
