diff options
author | Bdale Garbee <bdale@gag.com> | 2012-09-12 20:01:22 -0600 |
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committer | Bdale Garbee <bdale@gag.com> | 2012-09-12 20:01:22 -0600 |
commit | 3b612efcd1dddc6a3d59012f7ed57754b1f798c2 (patch) | |
tree | 18d50713491ef96c5c127a309f870efb6c33f98d /src/avr/ao_avr_stdio.c | |
parent | e076773c1693e2a62bb828dee71c04c20dbab0a5 (diff) | |
parent | 01eb36408d7e0e826b431fcc1d3b2deb23607e0b (diff) |
Merge branch 'new-debian' into debian
Conflicts:
ChangeLog
debian/altos.install
debian/changelog
debian/control
debian/copyright
debian/dirs
debian/docs
debian/menu
debian/rules
src/Makefile
Diffstat (limited to 'src/avr/ao_avr_stdio.c')
-rw-r--r-- | src/avr/ao_avr_stdio.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/avr/ao_avr_stdio.c b/src/avr/ao_avr_stdio.c new file mode 100644 index 00000000..2765853a --- /dev/null +++ b/src/avr/ao_avr_stdio.c @@ -0,0 +1,51 @@ +/* + * Copyright © 2011 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" + +int +stdio_put(char c, FILE *stream) +{ + if (ao_cur_task && ao_num_stdios) + putchar(c); + else + { + if (c == '\n') + stdio_put('\r', stream); + loop_until_bit_is_set(UCSR1A, UDRE1); + UDR1 = c; + } + + return 0; +} + +int +stdio_get(FILE *stream) +{ + return (int) getchar() & 0xff; +} + +static FILE mystdout = FDEV_SETUP_STREAM(stdio_put, NULL, _FDEV_SETUP_WRITE); + +static FILE mystdin = FDEV_SETUP_STREAM(NULL, stdio_get, _FDEV_SETUP_READ); + +void +ao_avr_stdio_init(void) +{ + stdout = &mystdout; + stdin = &mystdin; +} |