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author | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-22 14:41:48 -0400 |
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committer | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-22 15:07:08 -0400 |
commit | 929ef7192a497c7b6dc9d72c8bf455dc152dffbc (patch) | |
tree | 98c47041784bcb3cce144ece51c76b768365f677 /libmaple/include | |
parent | e397f7c18b775aacf40223a7cc91cba547e819e7 (diff) | |
download | librambutan-929ef7192a497c7b6dc9d72c8bf455dc152dffbc.tar.gz librambutan-929ef7192a497c7b6dc9d72c8bf455dc152dffbc.zip |
<libmaple/i2c.h>: Add I2C_CCR_DUTY bit value definitions.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'libmaple/include')
-rw-r--r-- | libmaple/include/libmaple/i2c.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libmaple/include/libmaple/i2c.h b/libmaple/include/libmaple/i2c.h index f7821af..ff1c313 100644 --- a/libmaple/include/libmaple/i2c.h +++ b/libmaple/include/libmaple/i2c.h @@ -181,7 +181,9 @@ typedef struct i2c_msg { /* Clock control register */ #define I2C_CCR_FS (1U << 15) // Fast mode selection -#define I2C_CCR_DUTY (1U << 14) // 16/9 duty ratio +#define I2C_CCR_DUTY (1U << 14) // Fast mode duty cycle +#define I2C_CCR_DUTY_2_1 (0U << 14) // Fast mode duty: 2/1 +#define I2C_CCR_DUTY_16_9 (1U << 14) // Fast mode duty: 16/9 #define I2C_CCR_CCR 0xFFF // Clock control bits /* |