User`s manual

AIMB-740-B/741-B User’s Manual 128

Appendix C GPIO Programming Source

Code

.MODEL small,c

.486p

.DOSSEG

.STACK

.CONST

SMBus_PortEQU5000h

GPIO_AddressEQU9Ch

Control_RegEQU0

Output_RegEQU1

Input_RegEQU2

SEQ_LEN EQU 8

.DATA

COUNT DW ?

START_AXISDB?

GPO_AXISDB?

GPI_AXISDB ?

TEST1_GPODW?

TEST1_GPIDW?

GPI_STR DB 'GPI $'

GPO_STR DB 'GPO $'

STS_STR DB 'STS $'

FAIL_STRDB 'Test Failed .. $'

PASS_STRDB 'Test Pass .... $'

CR_LF DB 0Ah, 0Dh, '$'

SEQ_1 DB 0, 1, 2, 3, 8, 9, 10, 11

SEQ_2 DB 4, 5, 6, 7, 12, 13, 14, 15

;[]==========================================================[]

; CN93 GPIO0 GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6 GPIO7

; F75111 GPIO16 GPIO17 GPIO20 GPIO21 GPIO22 GPIO14 GPIO11 GPIO12

;

; CN94 GPIO8 GPIO9 GPIO10 GPIO11 GPIO12 GPIO13 GPIO14 GPIO15

; F75111 GPIO31 GPIO32 GPIO33 GPIO23 GPIO24 GPIO25 GPIO26 GPIO27