From: ian <ian>
Date: Thu, 1 Dec 2005 00:27:08 +0000 (+0000)
Subject: new pinspec stuff
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=572e579dc53d4f8a27f6b9361d9b41837048be4c;p=trains.git

new pinspec stuff
---

diff --git a/detpic/common.inc b/detpic/common.inc
index 24a6ee2..31916f4 100644
--- a/detpic/common.inc
+++ b/detpic/common.inc
@@ -17,7 +17,60 @@ clock equ -1
 ;----------------------------------------------------------------------
 ; MACROS
 
-; debug* and ifbit[01] were here but they're cruft, really,
-;  so I have removed them -iwj
+;----------------------------------------------------------------------
+; PINSPECS stuff
+;
+; A PINSPEC is a constant 0x<bit><port> where <port> is a b c d e
+; and <port> is 0 1 2 3 4 5 6 7.  Generally p<picno>_<subsystem>_<pin>
+; are equ'd for this.
+
+ radix hex
+p0_cdu_enable		equ	5b
+p0_rs232_fcin		equ	4b
+p0_booster_shutdown	equ	2b
+p0_booster_overload	equ	1b
+p0_booster_userfault	equ	0b
+p0_spare2		equ	6d
+p0_spare1		equ	5d
+p0_rs232_fcout		equ	5c
+pall_perpicled		equ	2d
+p0_spare0		equ	0a
+p0_booster_dirn		equ	0c
+p0_booster_pwm		equ	1c
+ radix dec
+
+pin_z	macro	pinspec
+	bs_f	TRISA + (TRISB-TRISA)*((pinspec-0xa) & 15), pinspec >> 4
+	endm
+
+pin_nz	macro	pinspec
+	bc_f	TRISA + (TRISB-TRISA)*((pinspec-0xa) & 15), pinspec >> 4
+	endm
+
+pin_vh	macro	pinspec
+	bs_f	LATA + (LATB-LATA)*((pinspec-0xa) & 15), pinspec >> 4
+	endm
+
+pin_vl	macro	pinspec
+	bc_f	LATA + (LATB-LATA)*((pinspec-0xa) & 15), pinspec >> 4
+	endm
+
+pin_h	macro	pinspec
+	pin_vh	pinspec
+	pin_nz	pinspec
+	endm
+
+pin_l	macro	pinspec
+	pin_vl	pinspec
+	pin_nz	pinspec
+	endm
+
+pin_ifh	macro	pinspec
+	bt_f_if1 PORTA + (PORTB-PORTA)*((pinspec-0xa) & 15), pinspec >> 4
+	endm
+
+pin_ifl	macro	pinspec
+	bt_f_if0 PORTA + (PORTB-PORTA)*((pinspec-0xa) & 15), pinspec >> 4
+	endm
 
 ;----------------------------------------------------------------------