diff options
Diffstat (limited to 'chip/stm32/i2c.c')
| -rw-r--r-- | chip/stm32/i2c.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/chip/stm32/i2c.c b/chip/stm32/i2c.c index 4c83ad9678..b42f415273 100644 --- a/chip/stm32/i2c.c +++ b/chip/stm32/i2c.c @@ -28,10 +28,10 @@ #define I2C_FREQ 100000 /* Hz */ /* I2C bit period in microseconds */ -#define I2C_PERIOD_US (1000000 / I2C_FREQ) +#define I2C_PERIOD_US (SECOND / I2C_FREQ) /* Clock divider for I2C controller */ -#define I2C_CCR (CPU_CLOCK/(2 * I2C_FREQ)) +#define I2C_CCR (CPU_CLOCK / (2 * I2C_FREQ)) /* * Transmit timeout in microseconds @@ -41,8 +41,8 @@ * ...but we're going to keep the timeout to make sure we're robust. It may in * fact be needed if the host resets itself mid-read. */ -#define I2C_TX_TIMEOUT_SLAVE 100000 /* us */ -#define I2C_TX_TIMEOUT_MASTER 10000 /* us */ +#define I2C_TX_TIMEOUT_SLAVE (100 * MSEC) +#define I2C_TX_TIMEOUT_MASTER (10 * MSEC) /* * We delay 5us in bitbang mode. That gives us 5us low and 5us high or |