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Description Defined in Composed of/Definition
Program_Output Figure 1 Cmd_Status | I2C_Activity | Rcvd_Data
User_Input Figure 1 Valid input
Listener_Clk Figure 1 I2C clock, which is driven by the target system
Master_Clk Figure 1 I2C clock, which is driven by the I2C Monitor Program
I2C_Data Figure 1 Data obtained from the I2C data line during the high-clock period
Params_Cmds Figure 2 Master_Cmds | Set_Trigger | Monitor_Cmd
I2C_Activity Figure 2 Received I2C data that is obtained while "listening" to the target's I2C bus
Rcvd_Data Figure 2 I2C data that is returned to us while we're operating in master mode
Data_Avail Figure 2 Boolean value (TRUE/FALSE) indicating that data has been supplied by the user; usually for the purpose of aborting operations in progress
Status_Output Figure 2
Set_Time Figure 2 Desired time in ms (unsigned long)
Cmd_Status Figure 2 Returned-error status of a dispatched command
Input_Buffer Figure 2 The buffer of data that the user supplied the I2C program as a command
Monitor_Cmd Figure 3 Command to begin monitoring the I2C bus (GO)
Mon_Buf_Size Figure 3 A buffer address and size for where the monitor should place obtained data
Mon_Buf_Status Figure 3 This is the caller-supplied buffer (containing data), plus the read status
Set_Trigger Figure 3 This is the slave address of I2C device that we want to monitor exclusively (see Slave_Addr below)
Master_Cmds Figure 4 Slave_Buf_Cnt | Slave_Addr | Addr_Data_Cnt
Slave_Buf_Cnt N/A In master mode, this is the buffer-and its size-where received data from the slave device should be stored
Addr_Data_Cnt N/A Multi-byte write operations specify both the slave address to write to, the address of the data and the count of bytes to write
Slave_Addr N/A The 7-bit address assigned to the slave we wish to communicate with (or watch)

Table 1

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