diff options
Diffstat (limited to 'libmaple/i2c.h')
| -rw-r--r-- | libmaple/i2c.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libmaple/i2c.h b/libmaple/i2c.h index a17e144..07ee260 100644 --- a/libmaple/i2c.h +++ b/libmaple/i2c.h @@ -71,8 +71,8 @@ typedef struct i2c_dev { i2c_msg *msg; } i2c_dev; - extern i2c_dev* const I2C1; +extern i2c_dev* const I2C2; #define I2C1_BASE (i2c_reg_map*)0x40005400 #define I2C2_BASE (i2c_reg_map*)0x40005800 @@ -100,7 +100,8 @@ extern i2c_dev* const I2C1; #define I2C_CR2_FREQ 0xFFF // Peripheral input frequency /* Clock control register bits */ -#define I2C_CCR_FS BIT(15) // Master mode selection +#define I2C_CCR_FS BIT(15) // Fast mode selection +#define I2C_CCR_DUTY BIT(14) // 16/9 duty ratio #define I2C_CCR_CCR 0xFFF // Clock control bits /* Status register 1 bits */ |