i2c

Type Members

1. case class I2c() extends Bundle with IMasterSlave with Product with Serializable

   

   I2C interface definition

2. class I2cEdgeDetector extends Area

   

   Detect the rising and falling Edge of the SCL signals

3. class I2cIoFilter extends Area

   

   Filter the SCL and SDA input signals

4. class I2cIoMaster extends Component

   

   I2C Master IO Layer _ | |<------- I2C ------->| | | Master | | Slave | CMD Stream ->||-> RSP Flow |_|

   I2C Master IO Layer _ | |<------- I2C ------->| | | Master | | Slave | CMD Stream ->||-> RSP Flow |_|

   Sequence :

   CMD : START DATA DATA DATA DATA STOP Master : | START | DATA | | DATA | | STOP | Slave : | | | DATA | | DATA | | RSP : DATA DATA DATA DATA

5. case class I2cIoMasterCmd() extends Bundle with Product with Serializable

   

   Define the command interface

6. case class I2cIoMasterConfig(g: I2cIoMasterGenerics) extends Bundle with Product with Serializable

   

   Runtime configuration of the I2C master

7. case class I2cIoMasterGenerics(samplingSize: Int = 3, samplingClockDividerWidth: BitCount = 10 bits, timerClockDividerWidth: BitCount = 20 bits, timeoutBaudRatioLog2: Int = 9) extends Product with Serializable

   

   Global configuration of the I2C Master

   Global configuration of the I2C Master

   samplingSize

   : Number of sampler to generate a bit

   samplingClockDividerWidth

   : Width of the clockDivider value

   timerClockDividerWidth

   : Width of the clockDivider value

8. case class I2cIoMasterRsp() extends Bundle with Product with Serializable

   

   Define the response interface If you want to read data, set data = True

   Define the response interface If you want to read data, set data = True

   For the slave : (FREEZE) is done with the response stream.

9. class I2cIoSlave extends Component

   

   I2C Slave IO Layer :

   I2C Slave IO Layer :

   This component manages the low level of the I2C protocol. (START, STOP, Send & Receive bit data)

   | |<------- I2C ------->| | | Master | | Slave | || RSP Stream --->||---> CMD Flow

   Write sequence :

   RSP : DATA DATA DATA DATA DATA Master : | START | DATA | | DATA | DATA | STOP | Slave : | | | DATA | | | | CMD : START DATA DATA DATA DATA STOP

   Restart sequence :

   RSP : DATA DATA DATA DATA DATA Master : | START | | DATA | START | DATA | STOP | Slave : | | DATA | | | | | CMD : START DATA DATA START DATA STOP

10. case class I2cIoSlaveCmd() extends Bundle with Product with Serializable

    

    Define the command interface

11. case class I2cIoSlaveConfig(g: I2cIoSlaveGenerics) extends Bundle with Product with Serializable

    

    Run-time configuration for the I2CSlave

12. case class I2cIoSlaveGenerics(samplingWindowSize: Int = 3, samplingClockDividerWidth: BitCount = 10 bits, tsuDatWidth: BitCount = 6 bits, timeoutWidth: BitCount = 20 bits) extends Product with Serializable

    

    Generics for the I2C Slave

    Generics for the I2C Slave

    samplingWindowSize

    : deepth sampling

    samplingClockDividerWidth

    : Width of the clock divider

13. case class I2cIoSlaveRsp() extends Bundle with Product with Serializable

    

    Define the response interface If you want to read data, set data = True

    Define the response interface If you want to read data, set data = True

    For the slave : (FREEZE) is done with the response stream.