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-rw-r--r--app/prototypes.h17
1 files changed, 11 insertions, 6 deletions
diff --git a/app/prototypes.h b/app/prototypes.h
index 78a0e8b..7f5498a 100644
--- a/app/prototypes.h
+++ b/app/prototypes.h
@@ -31,12 +31,12 @@ extern void delay_ms(uint32_t d);
extern int timed_out(uint32_t then, unsigned int ms);
extern void ticker_init(void);
/* i2c.c */
-extern int i2c1_bb(int scl, int sda);
-extern void i2c1_bb_start(void);
-extern void i2c1_bb_stop(void);
-extern int i2c1_bb_send_data(uint8_t v);
-extern int i2c1_bb_start_transaction(uint8_t a, int wnr);
-extern void i2c1_bb_init(void);
+extern int i2c_bb(int scl, int sda);
+extern void i2c_bb_start(void);
+extern void i2c_bb_stop(void);
+extern int i2c_bb_send_data(uint8_t v);
+extern int i2c_bb_start_transaction(uint8_t a, int wnr);
+extern void i2c_bb_init(void);
/* lcd.c */
extern uint8_t fb[2][16];
extern uint8_t shadow[2][16];
@@ -51,3 +51,8 @@ extern void lcd_backlight(int i);
extern void lcd_reset(void);
extern void lcd_init(void);
extern void lcd_shutdown(void);
+/* keypad.c */
+extern int i2c2_bb(int scl, int sda);
+extern uint16_t keypad_read(void);
+extern void keypad_tick(void);
+extern void keypad_init(void);