summaryrefslogtreecommitdiff
path: root/src/avr/ao_avr_stdio.c
diff options
context:
space:
mode:
authorBdale Garbee <bdale@gag.com>2012-09-12 20:01:22 -0600
committerBdale Garbee <bdale@gag.com>2012-09-12 20:01:22 -0600
commit3b612efcd1dddc6a3d59012f7ed57754b1f798c2 (patch)
tree18d50713491ef96c5c127a309f870efb6c33f98d /src/avr/ao_avr_stdio.c
parente076773c1693e2a62bb828dee71c04c20dbab0a5 (diff)
parent01eb36408d7e0e826b431fcc1d3b2deb23607e0b (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.c51
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;
+}