1 files changed, 11 insertions, 0 deletions

diff --git a/firmware/export/i2c-pp5020.h b/firmware/export/i2c-pp5020.h
index b8b10d6388..c52d07d24f 100644
--- a/firmware/export/i2c-pp5020.h
+++ b/firmware/export/i2c-pp5020.h
@@ -25,6 +25,17 @@
 #ifndef _I2C_PP5020_H
 #define _I2C_PP5020_H
 
+#define I2C_CTRL    (*(volatile unsigned char*)(I2C_BASE+0x00))
+#define I2C_ADDR    (*(volatile unsigned char*)(I2C_BASE+0x04))
+#define I2C_DATA(X) (*(volatile unsigned char*)(I2C_BASE+0xc+(4*X)))
+#define I2C_STATUS  (*(volatile unsigned char*)(I2C_BASE+0x1c))
+
+/* I2C_CTRL bit definitions */
+#define I2C_SEND    0x80
+
+/* I2C_STATUS bit definitions */
+#define I2C_BUSY    (1<<6)
+
 /* TODO: Fully implement i2c driver */
 
 void i2c_init(void);