Aaeon TKS-G21-CV05 Manual de usuario descargar pdf (Pagina 62)

Embedded Box TKS-G21-CV05

Appendix C Digital I/O C-7

Ct_I2CReadByte Endp

;Input : CL - register index

; CH - device ID

; AL - Value to write

;Output: none

Ct_I2CWriteByte Proc Near

mov ch,06eh

xchg ah, al

mov dx, 0f000h + 00h ; Host Control Register

mov al, 0ffh ; Clear previous

commands

out dx, al

call Delay5ms

mov dx, 0f000h + 04h ; Transmit Slave Address

Register

mov al, ch ; Set the slave address and

out dx, al ; prepare for a WRITE

command

mov dx, 0f000h + 03h ; Host Command Register

mov al, cl ; offset to write

1 2 ... 57 58 59 60 61 62 63 64

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