diff options
Diffstat (limited to 'openpcd/firmware/src/picc/pll.c')
| -rw-r--r-- | openpcd/firmware/src/picc/pll.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/openpcd/firmware/src/picc/pll.c b/openpcd/firmware/src/picc/pll.c index c554ea6..bed08ef 100644 --- a/openpcd/firmware/src/picc/pll.c +++ b/openpcd/firmware/src/picc/pll.c @@ -1,6 +1,8 @@ #include <sys/types.h> #include <lib_AT91SAM7.h> +#include <os/pio_irq.h> +#include <os/dbgu.h> #include "../openpcd.h" void pll_inhibit(int inhibit) @@ -16,9 +18,23 @@ int pll_is_locked(void) return AT91F_PIO_IsInputSet(AT91C_BASE_PIOA, OPENPICC_PIO_PLL_LOCK); } +static void pll_lock_change_cb(u_int32_t pio) +{ + DEBUGPCRF("PLL LOCK: %d", pll_is_locked()); +#if 1 + if (pll_is_locked()) + led_switch(1, 1); + else + led_switch(1, 0); +#endif +} + void pll_init(void) { AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPICC_PIO_PLL_INHIBIT); AT91F_PIO_CfgInput(AT91C_BASE_PIOA, OPENPICC_PIO_PLL_LOCK); pll_inhibit(0); + + pio_irq_register(OPENPICC_PIO_PLL_LOCK, &pll_lock_change_cb); + pio_irq_enable(OPENPICC_PIO_PLL_LOCK); } |