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-rw-r--r--src/atsamd/internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/atsamd/internal.h b/src/atsamd/internal.h
index 5606a4ce..2674acc7 100644
--- a/src/atsamd/internal.h
+++ b/src/atsamd/internal.h
@@ -9,6 +9,7 @@
#define GPIO2BIT(PIN) (1<<((PIN) % 32))
void enable_pclock(uint32_t pclk_id, uint32_t pm_id);
+uint32_t get_pclock_frequency(uint32_t pclk_id);
void gpio_peripheral(uint32_t gpio, char ptype, int32_t pull_up);
#endif // internal.h