From: ceb <ceb>
Date: Mon, 7 Feb 2005 00:18:00 +0000 (+0000)
Subject: i2c update
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=526af5a7617e8d900c8923947ef1300bb6e8e1f6;p=trains.git

i2c update
---

diff --git a/cebpic/i2c-test.asm b/cebpic/i2c-test.asm
index 1b7f7ce..6afaf07 100644
--- a/cebpic/i2c-test.asm
+++ b/cebpic/i2c-test.asm
@@ -154,8 +154,18 @@ initialise
 
 ; i2c setup
 
+; NB to generate an address, take PIC_NO bits 4-0 and prepend 10
+; (i.e. all addresses are of the form 10xxxxx)
+
 	movlb	I2C_BUFF_PAGE	; ser BSR=i2c BSR (4)
 
+common_setup
+
+
+
+
+master_or_slave
+
 	btfss	I2C_CTRL,I2C_MASTER,1	; test whether PIC is master
 	goto	pic_master_setup	; if so, set up as master
 	goto	pic_slave_setup		; else set up as slave