From 80469b4bfaf49a407d8d6b5bf3c2eb0d1c9870e6 Mon Sep 17 00:00:00 2001
From: Joe Zhao <ztuowen@gmail.com>
Date: Fri, 16 May 2014 17:12:37 +0800
Subject: Comments update

---
 rs422lib/rsbus.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'rs422lib/rsbus.c')

diff --git a/rs422lib/rsbus.c b/rs422lib/rsbus.c
index 2b548a6..c69a664 100644
--- a/rs422lib/rsbus.c
+++ b/rs422lib/rsbus.c
@@ -28,6 +28,7 @@ volatile unsigned char tx_pos=255;
 
 volatile unsigned char mac_stat[4]={0,0,0,0};
 
+// UART transmit routine
 #pragma vector=USCIAB0TX_VECTOR
 __interrupt void USCI0TX_ISR(void)
 {
@@ -136,8 +137,6 @@ __interrupt void rsbus_rx(void)
 	}
 }
 
-// Send something to the rs422 bus
-// Length must not exceeds RS_MAX
 void rsbus_w(int addr,unsigned char* buf,unsigned int len)
 {
 	while (tx_pos < tx_len)		// This shouldn't happen
-- 
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