From: ian <ian>
Date: Sun, 18 Dec 2005 17:28:32 +0000 (+0000)
Subject: initial files (full of junky bits) for trackpower/cdu and actual master program
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=3114b90da9a1010077a3308ae31724c4114c0894;p=trains.git

initial files (full of junky bits) for trackpower/cdu and actual master program
---

diff --git a/detpic/master.asm b/detpic/master.asm
new file mode 100644
index 0000000..6986573
--- /dev/null
+++ b/detpic/master.asm
@@ -0,0 +1,44 @@
+;======================================================================
+
+ include common.inc
+ code
+
+;----------
+; Program to implement the master.  Does not return.  Conditions on entry:
+;	interrupts		INTCON set up but interrupts disabled
+;	i2c controller		not set up / not enabled
+;	picno, idloc1		containing correct values read from flash
+
+master
+	call    i2cm_init
+	call	bitnum2bit_init
+	call	points_local_init
+	call	polarity_local_init
+	call	detect_local_init
+
+	call	serial_init
+	call	serial_interrupts_init
+	call	nmra_init
+
+ fixme up to here
+
+	call	detect_slave_init
+
+	bs_f	INTCON, GIEH
+	bs_f	INTCON, GIEL
+
+	bt_f_if1 idloc1,idloc1_boarddet
+	goto	backgroundloop_detectors
+	goto	backgroundloop_reversers
+
+
+;----------
+master_interrupt_low
+	enter_interrupt_low
+	call	serialrx_intrl
+	call	serialtx_intrl
+	call	points_local_intrl
+	call	i2cm_intrl
+	panic	morse_IL
+
+ include final.inc
diff --git a/detpic/power.asm b/detpic/power.asm
new file mode 100644
index 0000000..1be9017
--- /dev/null
+++ b/detpic/power.asm
@@ -0,0 +1,14 @@
+;======================================================================
+
+power_on ???
+; from cebpic/nmra-stream.asm's setup
+	bcf	PORTB,2,0	; booster shutdown L
+	bcf	TRISB,2,0	; booster shutdown not-Z
+
+	bcf	PORTB,0,0	; user fault L or Z
+
+
+master_interrupt_high
+; either booster timer interrupt or short circuit
+	fixme	check short circuit
+	call	nmra_interrupt_timer