rtc example with tm1637 driver

[cortex-from-scratch] / include / drivers / tm1637.h

diff --git a/include/drivers/tm1637.h b/include/drivers/tm1637.h
index e537cdf..64e1f78 100644 (file)
--- a/include/drivers/tm1637.h
+++ b/include/drivers/tm1637.h
@@ -7,10 +7,12 @@ static void stop_condition();
 static int ack_recv();
 static int ack10_recv();
 static int idle();
+static void delay();
 
 extern void tm1637_init();
 extern int set_grid(uint8_t offset, char value, bool dot);
 extern int set_display(bool on, uint8_t degree);
+
 extern void tm1637_example();
 
 #endif