i2c_master_defines.txt

利用FPGA 编程实现I2C总线

// I2C registers wishbone addresses
// bitcontroller states
`define I2C_CMD_NOP   4'b0000
`define I2C_CMD_START 4'b0001
`define I2C_CMD_STOP  4'b0010
`define I2C_CMD_WRITE 4'b0100
`define I2C_CMD_READ  4'b1000