1 files changed, 1 insertions, 0 deletions
diff --git a/src/i2c.h b/src/i2c.h
index c5d5034..1c83a41 100644
--- a/src/i2c.h
+++ b/src/i2c.h
@@ -18,6 +18,7 @@ uint8_t i2c_recv();
 void i2c_stop();
 void i2c_start(uint8_t addr, bool rw);
 uint8_t i2c_read_reg_addr16(uint8_t device, uint16_t addr);
+void i2c_write_reg_addr16(uint8_t device_addr, uint16_t device_reg, uint8_t data);
 
 void i2c_init();