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-rw-r--r--openpcd/firmware/src/picc/pll.c16
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);
}
personal git repositories of Harald Welte. Your mileage may vary