V201, added MSP-EXP430FR2433

[fast-forth/master.git] / MSP_EXP430FR6989.asm

diff --git a/MSP_EXP430FR6989.asm b/MSP_EXP430FR6989.asm
index 09e4e57..9852c63 100644 (file)
--- a/MSP_EXP430FR6989.asm
+++ b/MSP_EXP430FR6989.asm
@@ -251,6 +251,11 @@
 
 ; reset state : Px{DIR,REN,SEL0,SEL1,SELC,IE,IFG,IV} = 0 ; Px{IN,OUT,IES} = ?
 
+; PORTA usage
+SD_SEL      .equ PASEL0 ; to configure UCB0
+SD_REN      .equ PAREN  ; to configure pullup resistors
+SD_BUS      .equ 0700h  ; pins P2.2 as UCB0CLK, P2.0 as UCB0SIMO & P2.1 as UCB0SOMI
+
 ; PORT1 usage
 ; P1.0 - LED1 red   output low
 ; P1.1 - Switch S1
@@ -260,6 +265,12 @@ S1          .set 2      ; P1.1 bit position
 
 ; PORT2 usage
 
+SD_CS       .equ 40h    ; P2.6 as SD_CS     
+SD_CD       .equ 80h    ; P2.7 as SD_CD
+SD_CDIN     .equ P2IN
+SD_CSOUT    .equ P2OUT
+SD_CSDIR    .equ P2DIR
+
 ; PORTx default wanted state : pins as input with pullup resistor
 
             MOV     #1,&PADIR     ; all pins as input else P1.0
@@ -288,25 +299,34 @@ TERM_REN    .equ P3REN
 
 ; PORTx default wanted state : pins as input with pullup resistor
 
-    .IFDEF TERMINALCTSRTS
+    .IFDEF TERMINAL4WIRES
 ; RTS output is wired to the CTS input of UART2USB bridge 
-; CTS is not used by FORTH terminal
 ; configure RTS as output high to disable RX TERM during start FORTH
 
-RTS         .equ  1 ; P3.0
-;CTS         .equ  2 ; P3.1 
 HANDSHAKOUT .equ  P3OUT
 HANDSHAKIN  .equ  P3IN
+RTS         .equ  1 ; P3.0
 
             BIS #00001h,&PBDIR  ; all pins as input else P3.0 (RTS)
             BIS #-1,&PBREN      ; all inputs with resistor
+
+        .IFDEF TERMINAL5WIRES
+
+CTS         .equ  2 ; P3.1
+
+            MOV #0FFFDh,&PBOUT  ; that acts as pull up, P3.0 as output HIGH, P3.1 input low
+
+        .ELSEIF
+
             MOV #-1,&PBOUT      ; that acts as pull up, P3.0 as output HIGH
 
+        .ENDIF  ; TERMINAL5WIRES
+
     .ELSEIF
             BIS #-1,&PBREN      ; all inputs with resistor
             MOV #-1,&PBOUT      ; that acts as pull up
 
-    .ENDIF
+    .ENDIF  ; TERMINAL4WIRES
 ; ----------------------------------------------------------------------
 ; POWER ON RESET AND INITIALIZATION : PORT5/6
 ; ----------------------------------------------------------------------