CODEHEADER(XT_USART,6,"+usart") ;------------------------------------------------------------------------------ ; Init IO bic #LOCKLPM5, &PM5CTL0 ; Unlock I/O pins mov.b #3, &P2SEL1 ; Use P2.0/P2.1 pins for Communication mov.b #0, &P2SEL0 ;------------------------------------------------------------------------------ ; Init serial communication ; f Baud UCOS16 UCBR UCBRF UCBRS ; 8000000 115200 1 4 5 0x55 mov #UCSWRST, &UCA0CTLW0 ; **Put state machine in reset** bis #UCSSEL__SMCLK, &UCA0CTLW0 ; SMCLK mov #4, &UCA0BRW ; 8 MHz 115200 Baud mov #05501h|UCBRF_5, &UCA0MCTLW ; Modulation UCBRSx=55h, UCBRFx=5, UCOS16 bic #UCSWRST, &UCA0CTLW0 ; **Initialize USCI state machine** ;------------------------------------------------------------------------------ NEXT