Data Structures

Overview

Structs used by the driver.

Note

This is an example show how to instantiate I2C with i2c_instance_t and i2c_hwreg_t.

 #define I2C_FREQ               100000
 #define I2C_ADDR               0x67<<1   // Slave device address
 #define I2C_CTRL_HZ            SYSTEM_CLINT_HZ
 #define I2C_CTRL               (i2c_hwreg_t *)SYSTEM_I2C_0_IO_CTRL
 
 i2c_instance_t I2C_inst = {
        .hwreg                  = I2C_CTRL,
        .slaveAddress           = I2C_ADDR,
        .samplingClockDivider   = 3,
        .timeout                = I2C_CTRL_HZ/1000,
        .tsuDat                 = I2C_CTRL_HZ/(I2C_FREQ*5),
        .tLow                   = I2C_CTRL_HZ/(I2C_FREQ*2),
        .tHigh                  = I2C_CTRL_HZ/(I2C_FREQ*2),
        .tBuf                   = I2C_CTRL_HZ/(I2C_FREQ),
},

Data Structures
struct	i2c_filter_hwreg_t
	I2C hardware filter configuration map. More...
struct	i2c_hwreg_t
	I2C hardware register map. More...
struct	i2c_instance_t
	I2C instance. Holds the software registers and hardware pointer. More...