Allen-Bradley 1784-KTS, Reference Manual

Page: 85 / 125

Programming Examples
Appendix B
B-6
/*===========================================================================
KTX_DUALPORT – defines the structure of the dual port memory (shared by
both the PC Host and the KTX Z84 microprocessor).
============================================================================*/
typedef struct
{
UBYTE boot_code[4];
UBYTE link_state;
UBYTE link_address;
UBYTE link_protocol;
UBYTE link_baud_rate;
UBYTE reserved1;
CONFIG_DATA config_data;
UBYTE init_status;
RUNNING_STATUS running_status;
UBYTE int_status_to_host;
UBYTE int_status_from_host;
UBYTE host_dead_counter;
UBYTE reset_diags_counters;
UBYTE reserved2[2];
UBYTE alive_flag;
UBYTE duplicate_node;
UBYTE off_ktx;
UBYTE stopped_flag;
UBYTE module_state;
UBYTE COS_link_address;
UBYTE reserved3[100];
UBYTE num_adapter_addresses;
UBYTE num_faulted_adapters;
OPERATING_STATUS operating_status;
ADAPTER_STATUS adapter_status_table[128];
COMMAND cmd_buffer;
CONFIRMATION confirmation_buffer;
UWORD input_image_table[256];
UWORD output_image_table[256];
/*
**
The following are KTX hardware registers. The numbers in
** the right column are hex offsets from the start of the dualport.
*/
UBYTE
reserved_reg_1; /* :800 */
UBYTE host_to_ktx_int_reg; /* :801 */
UBYTE assert_reg; /* :802 */
UBYTE deassert_reg; /* :803 */
UBYTE status_reg; /* :804 */
UBYTE reserved_reg_2; /* :805 */
UBYTE reserved_reg_3; /* :806 */
UBYTE reserved_reg_4; /* :807 */
UBYTE host_ack_of_ktx_int_reg; /* :808 */
UBYTE undefined_1; /* :809 */
UBYTE card_control_write_reg; /* :80A */
UBYTE undefined_2; /* :80B */
UBYTE card_control_read_reg; /* :80C */
UBYTE undefine_3; /* :80D */
UBYTE reserved_reg_5; /* :80E */
UBYTE undefined_4; /* :80F */
} KTX_DUALPORT;
/*****************************************************************************
**
**
NON–DUALPORT STRUCTURE DEFINTIONS
**
*****************************************************************************/
typedef struct {
UBYTE count;
UWORD data[8];
} IO_BUFFER;
typedef UBYTE TABLE_NAME;
typedef struct {
UBYTE count;
UWORD bt_data[64];
} BT_BUFFER;
#endif
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