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| author | rodri <rgl@antares-labs.eu> | 2021-06-05 11:10:23 +0000 |
|---|---|---|
| committer | rodri <rgl@antares-labs.eu> | 2021-06-05 11:10:23 +0000 |
| commit | edf5f145013aa28ffbc7f19f874cd489a92f8449 (patch) | |
| tree | 05a7dfdae1b63a79bdfbb1fab84af35a51b5b99c /c/timer/timer.c | |
| download | avrtoys-edf5f145013aa28ffbc7f19f874cd489a92f8449.tar.gz avrtoys-edf5f145013aa28ffbc7f19f874cd489a92f8449.tar.bz2 avrtoys-edf5f145013aa28ffbc7f19f874cd489a92f8449.zip | |
Diffstat (limited to 'c/timer/timer.c')
| -rw-r--r-- | c/timer/timer.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/c/timer/timer.c b/c/timer/timer.c new file mode 100644 index 0000000..f1231b1 --- /dev/null +++ b/c/timer/timer.c @@ -0,0 +1,23 @@ +#include <avr/io.h>
+
+enum{
+ Dcnt = 62499
+};
+
+int
+main()
+{
+ int led;
+
+ led = 1<<PB1;
+ DDRB |= led;
+ TCCR1B |= 1<<CS12;
+
+ for(;;){
+ if(TCNT1 >= Dcnt){
+ PORTB ^= led;
+ TCNT1 = 0;
+ }
+ }
+}
+
|