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-rw-r--r--libmaple/stm32f1/include/series/i2c.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/libmaple/stm32f1/include/series/i2c.h b/libmaple/stm32f1/include/series/i2c.h
index f407955..ae05377 100644
--- a/libmaple/stm32f1/include/series/i2c.h
+++ b/libmaple/stm32f1/include/series/i2c.h
@@ -41,7 +41,18 @@
* Register maps
*/
-struct i2c_reg_map;
+/** I2C register map type */
+typedef struct i2c_reg_map {
+ __io uint32 CR1; /**< Control register 1 */
+ __io uint32 CR2; /**< Control register 2 */
+ __io uint32 OAR1; /**< Own address register 1 */
+ __io uint32 OAR2; /**< Own address register 2 */
+ __io uint32 DR; /**< Data register */
+ __io uint32 SR1; /**< Status register 1 */
+ __io uint32 SR2; /**< Status register 2 */
+ __io uint32 CCR; /**< Clock control register */
+ __io uint32 TRISE; /**< TRISE (rise time) register */
+} i2c_reg_map;
/** STM32F1 I2C1 register map base pointer */
#define I2C1_BASE ((struct i2c_reg_map*)0x40005400)