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authorKeith Packard <keithp@keithp.com>2009-08-18 12:40:24 -0700
committerKeith Packard <keithp@keithp.com>2009-08-18 12:40:24 -0700
commit9789ca5e8caa9a013e804f307b9da380e147bd75 (patch)
tree0bba9fdba9d761d0ead763ab593bc51d1658a693 /ao-tools/target/timer/timer.c
parenta5782398d968e7cb11f7203afada7c216f233b3b (diff)
Rename tools to ao-<foo>
Use a consistent prefix to make it easier to remember which programs belong to this package Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'ao-tools/target/timer/timer.c')
-rw-r--r--ao-tools/target/timer/timer.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/ao-tools/target/timer/timer.c b/ao-tools/target/timer/timer.c
new file mode 100644
index 00000000..ae75d0a8
--- /dev/null
+++ b/ao-tools/target/timer/timer.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright © 2008 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 "cc1111.h"
+
+unsigned char irqs;
+
+void timer1_isr(void) interrupt 9 __reentrant
+{
+ ++irqs;
+ if (irqs == 100) {
+ P1 ^= 0x2;
+ irqs = 0;
+ }
+}
+
+int
+main (void) __reentrant
+{
+ CLKCON = 0;
+ P1DIR = 0x2;
+ P1 = 0xff;
+
+ T1CTL = 0;
+
+ /* 30000 */
+ T1CC0H = 0x75;
+ T1CC0L = 0x30;
+ T1CCTL0 = T1CCTL_MODE_COMPARE;
+ T1CCTL1 = 0;
+ T1CCTL2 = 0;
+
+ /* clear timer value */
+ T1CNTL = 0;
+ OVFIM = 1;
+ T1CTL = T1CTL_MODE_MODULO | T1CTL_DIV_8;
+ T1IE = 1;
+ EA = 1;
+ for (;;);
+}