diff options
Diffstat (limited to 'src/usr/i2c/i2c.H')
| -rwxr-xr-x | src/usr/i2c/i2c.H | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/src/usr/i2c/i2c.H b/src/usr/i2c/i2c.H index f94e669c3..8413ef9b0 100755 --- a/src/usr/i2c/i2c.H +++ b/src/usr/i2c/i2c.H @@ -123,23 +123,12 @@ ALWAYS_INLINE inline uint64_t i2cGetPollingInterval(uint64_t i_bus_speed_khz ) #define I2C_MAX_WAIT_TIME_NS 5 * NS_PER_MSEC #define I2C_TIMEOUT_COUNT(i_interval_ns) (I2C_MAX_WAIT_TIME_NS / i_interval_ns) - -/** - * @brief Different ways of setting the I2C Bus Speed - */ -enum i2c_bus_setting_mode_t -{ - READ_I2C_BUS_ATTRIBUTES, - SET_I2C_BUS_400KHZ, - SET_I2C_BUS_1MHZ, - LAST_BUS_SETTING_MODE_TYPE, -}; - /** * @brief Only hard-coded bus speed defines (in KBits/sec) */ -#define I2C_BUS_SPEED_400KHZ 400 -#define I2C_BUS_SPEED_1MHZ 1000 +#define I2C_BUS_SPEED_FROM_MRW 0 +#define I2C_BUS_SPEED_400KHZ 400 +#define I2C_BUS_SPEED_1MHZ 1000 // ----------------------------------------------------------------------- @@ -781,7 +770,13 @@ errlHndl_t i2cGetInterrupts ( TARGETING::Target * i_target, * * @param[in] i_target - The I2C master target. * - * @param[in] i_mode - States how bus setting will be determined + * @param[in] i_speed - Speed for the I2C Bus (in KBits/sec) + * NOTE: A value of 0 means that the speed will be + * determined by I2C attributes set via the MRW + * Useful Defines: + * -- I2C_BUS_SPEED_FROM MRW 0 + * -- I2C_BUS_SPEED_400KHZ 400 + * -- I2C_BUS_SPEED_1MHZ 1000 * * @param[in/out] io_args - Structure containing arguments needed for a command * transaction. Clock arguments set in this function. @@ -790,7 +785,7 @@ errlHndl_t i2cGetInterrupts ( TARGETING::Target * i_target, * the error log. */ errlHndl_t i2cSetBusVariables ( TARGETING::Target * i_target, - i2c_bus_setting_mode_t i_mode, + uint64_t i_speed, misc_args_t & io_args ); /** |
