5.Configuration

Global package variables

Table 5.1 Global package variables

Name	Type	Description
NO_OF_SLAVES	integer	specifies no of slaves connected to the APB interface
APB_transfer_char_s	struct	Structure to hold the packet data.
APB_transfer_cfg_s	struct	Structure to hold the configuration data.
apb_fsm_state_e	enum	Represents the type of state IDLE SETUP
ACCESS
slave_no_e	enum	Used to select the one slave at a time by one hot encoding SLAVE_0 = 16'b0000_0000_0000_0001

     SLAVE_1 = 16'b0000_0000_0000_0010
     SLAVE_2 = 16'b0000_0000_0000_0100
     SLAVE_3 = 16'b0000_0000_0000_1000
     SLAVE_4 = 16'b0000_0000_0001_0000
     SLAVE_5 = 16'b0000_0000_0010_0000|  

|endian_e |enum| LITTLE_ENDIAN=1’b0 : lsb bit will store in first address location BIG_ENDIAN = 1’b1 : msb bit will store in first address location|
|tx_type_e |enum |WRITE=1’b1 : write transfer happen READ=1’b0 : read transfer happen|
|protectiontype_e |enum| Used to represent the protection type for transaction NORMAL_SECURE_DATA = 3'b000 NORMAL_SECURE_INSTRUCTION = 3'b001
= 3'b010 NORMAL_NONSECURE_INSTRUCTION = 3'b011 PRIVILEGED_SECURE_DATA = 3'b100 PRIVILEGED_SECURE_INSTRUCTION = 3'b101|
|slave_error_e| enum |Represents slave error signal NO_ERROR=1’b0; ERROR=1’b1;|