From 67d25d837ac55f28a366c0a3b262e439a6e75fc3 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Sat, 19 Aug 2017 12:15:28 +0200 Subject: Add AmForth --- amforth-6.5/msp430/devices/msp430g2553/words/usart-init.asm | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 amforth-6.5/msp430/devices/msp430g2553/words/usart-init.asm (limited to 'amforth-6.5/msp430/devices/msp430g2553/words/usart-init.asm') diff --git a/amforth-6.5/msp430/devices/msp430g2553/words/usart-init.asm b/amforth-6.5/msp430/devices/msp430g2553/words/usart-init.asm new file mode 100644 index 0000000..e8c7693 --- /dev/null +++ b/amforth-6.5/msp430/devices/msp430g2553/words/usart-init.asm @@ -0,0 +1,13 @@ + CODEHEADER(XT_USART,6,"+usart") + ; USCI_A0 + MOV.B #06,&P1SEL ; P1.1,2 are UART + MOV.B #06,&P1SEL2 ; P1.1,2 are UART + + BIS.B #UCSWRST,&UCA0CTL1 ; SWRST while configuring! + MOV.B #00h,&UCA0CTL0 ; UART, 8N1, LSB first + MOV.B #81h,&UCA0CTL1 ; BRCLK = SMCLK, SWRST set + MOV.B #41h,&UCA0BR0 ; 9600 Baud at 8 MHz + MOV.B #03h,&UCA0BR1 + MOV.B #04h,&UCA0MCTL ; UCBRFx=0, UCBRSx=2 for 9600 baud + BIC.B #UCSWRST,&UCA0CTL1 ; done configuring + NEXT -- cgit v1.2.3