Khai báo hardware UART
Code:
#use rs232( baud=9600, STREAM=ID1) //UART1,xmit=PIN_C6,rcv=PIN_C7,
Hoặc nếu PIC có 2 hardware UART(như 18F8722)
Code:
#use rs232(UART1 , baud=9600, STREAM=ID1) //xmit=PIN_C6,rcv=PIN_C7,
#use rs232(UART2 , baud=9600, STREAM=ID2) //, xmit=PIN_G1,rcv=PIN_G2
kết hợp 1 hardware và 1 software
Code:
#use rs232(UART1 , baud=9600, STREAM=ID1) //xmit=PIN_C6,rcv=PIN_C7,
#use rs232(FORCE_SW, baud=9600, xmit=PIN_D0,rcv=PIN_D1, STREAM=ID2)