diff options
Diffstat (limited to 'Projects/Webserver/Lib/uip/clock.c')
-rw-r--r-- | Projects/Webserver/Lib/uip/clock.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Projects/Webserver/Lib/uip/clock.c b/Projects/Webserver/Lib/uip/clock.c new file mode 100644 index 0000000000..e8a676b1af --- /dev/null +++ b/Projects/Webserver/Lib/uip/clock.c @@ -0,0 +1,37 @@ +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <avr/interrupt.h> +#include <avr/io.h> +#include <avr/sfr_defs.h> + +#include "clock.h" + +//Counted time +volatile clock_time_t clock_datetime = 0; + +//Overflow interrupt +ISR(TIMER1_COMPA_vect) +{
+ clock_datetime += 1; +} + +//Initialise the clock +void clock_init()
+{
+ OCR1A = ((F_CPU / 1024) / 100); + TCCR1B = ((1 << WGM12) | (1 << CS12) | (1 << CS10)); + TIMSK1 = (1 << OCIE1A); +} + +//Return time +clock_time_t clock_time()
+{
+ clock_time_t time; + + cli(); + time = clock_datetime; + sei(); + + return time; +} |