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-rw-r--r--app/prototypes.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/app/prototypes.h b/app/prototypes.h
index 359c826..19b92f0 100644
--- a/app/prototypes.h
+++ b/app/prototypes.h
@@ -66,3 +66,7 @@ extern void font8x8_put_str(char *str, unsigned x, unsigned y);
/* font8x16.c */
extern void font8x16_put_ch(unsigned ch, unsigned x, unsigned y);
extern void font8x16_put_str(char *str, unsigned x, unsigned y);
+/* tacho.c */
+extern uint32_t raw_tacho;
+extern void exit3_isr(void);
+extern void tacho_init(void);