From: ian <ian>
Date: Fri, 2 Dec 2005 02:48:57 +0000 (+0000)
Subject: shut down comparators and A/D converter
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=c3d902b152b24281d4e34e3ba17a09c1d8b5678c;p=trains.git

shut down comparators and A/D converter
---

diff --git a/detpic/detect.asm b/detpic/detect.asm
index fd0a9ac..8709db4 100644
--- a/detpic/detect.asm
+++ b/detpic/detect.asm
@@ -54,8 +54,17 @@ message_buffer_end
 ;======================================================================
 	code
 
+;----------
+det_common_setup
+	mov_lw	0b111	; turn off comparator, or we can't use pins
+	mov_wf	CMCON	;   RD0-RD4 as digital inputs
+	mov_lw	0b0110	; turn off A/D except perhaps for pin
+	or_wff	ADCON1	;   AN0 ie SPARE ie RA0 (same reason as above)
+	return
+
 ;----------
 det_slave_setup
+	bsr	det_common_setup
 	set_f	scana
 	set_f	scanb
 	set_f	scanc