diff options
Diffstat (limited to 'app/led.c')
-rw-r--r-- | app/led.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/app/led.c b/app/led.c new file mode 100644 index 0000000..ddbbc34 --- /dev/null +++ b/app/led.c @@ -0,0 +1,50 @@ +#include "project.h" + + +static int led = 0; + +void +led_init (void) +{ + gpio_set_mode (GPIOA, GPIO_MODE_OUTPUT_2_MHZ, + GPIO_CNF_OUTPUT_PUSHPULL, GPIO9); + + gpio_set (GPIOA, GPIO9); +} + + +void +led_blink (void) +{ + gpio_set (GPIOA, GPIO9); + led = 50; +} + +void +led_tick (void) +{ + +#if 0 + if (led) + { + led--; + if (!led) + gpio_clear (GPIOA, GPIO9); + } +#else + static int c; + + c++; + if (c > 1000) + { + led ^= 1; + if (led) + gpio_set (GPIOA, GPIO9); + else + gpio_clear (GPIOA, GPIO9); + + + c = 0; + } +#endif +} |