diff options
author | Christian Pointner <equinox@mur.at> | 2012-05-06 21:50:47 +0000 |
---|---|---|
committer | Christian Pointner <equinox@mur.at> | 2012-05-06 21:50:47 +0000 |
commit | f95dbc48679376076db8209c1319528b45514b41 (patch) | |
tree | 357ea4ed33e924b9d1268b1116abf54727cb214f /software/hhd70dongle/hhd70dongle.c | |
parent | smaller resistors for leds (diff) |
added testprogram for hhd70dongle
git-svn-id: https://svn.spreadspace.org/mur.sat@399 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software/hhd70dongle/hhd70dongle.c')
-rw-r--r-- | software/hhd70dongle/hhd70dongle.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/software/hhd70dongle/hhd70dongle.c b/software/hhd70dongle/hhd70dongle.c new file mode 100644 index 0000000..267f63e --- /dev/null +++ b/software/hhd70dongle/hhd70dongle.c @@ -0,0 +1,21 @@ +/*
+ * Blinks the led using a simple delay loop.
+ */
+
+#include "avr/io.h"
+#include "util/delay.h"
+
+#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
+
+int main(void)
+{
+ CPU_PRESCALE(0);
+ PORTE = 0x00;
+ DDRE = 0x00;
+
+ for(;;) {
+ _delay_ms(250);
+ PORTE ^= 1<<PORTE6;
+ }
+}
+
|