diff options
author | Keith Packard <keithp@keithp.com> | 2013-04-18 16:15:52 -0500 |
---|---|---|
committer | Keith Packard <keithp@keithp.com> | 2013-05-17 03:50:07 -0700 |
commit | f9d0eb3f3154f98abb0c8952d7171f3e7d3de9b2 (patch) | |
tree | b75b55aca8bf566f17afee9f332dd5859787c983 /src/lpcxpresso | |
parent | 04b243e6ef212f54ed284cfbde6d5abb637bf60e (diff) |
altos/lpc: Get 100Hz timer running
Use systick, which is built into the ARM core
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/lpcxpresso')
-rw-r--r-- | src/lpcxpresso/ao_demo.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/lpcxpresso/ao_demo.c b/src/lpcxpresso/ao_demo.c index bb8402f7..56fef706 100644 --- a/src/lpcxpresso/ao_demo.c +++ b/src/lpcxpresso/ao_demo.c @@ -17,6 +17,15 @@ #include "ao.h" +struct ao_task demo_task; + +static void demo(void) { + for (;;) { + ao_delay(100); + ao_led_toggle(AO_LED_RED); + } +} + int main(void) { @@ -24,13 +33,22 @@ main(void) ao_led_init(LEDS_AVAILABLE); ao_led_on(AO_LED_RED); ao_clock_init(); + ao_timer_init(); + + ao_task_init(); + + ao_add_task(&demo_task, demo, "demo"); + + ao_start_scheduler(); for (;;) { ao_led_off(AO_LED_RED); - for (i = 0; i < 100000; i++) - ao_arch_nop(); + for (;;) + if (ao_tick_count & 1) + break; ao_led_on(AO_LED_RED); - for (i = 0; i < 100000; i++) - ao_arch_nop(); + for (;;) + if (!(ao_tick_count & 1)) + break; } } |