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changeset 10:f0b4314b91ec

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Fix for dual UART devices.
author Daniel O'Connor <darius@dons.net.au>
date Sat, 01 Jan 2011 19:43:34 +1030
parents 5f21a1c8ca06
children b46f0c742316
files cons-reg.h
diffstat 1 files changed, 4 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/cons-reg.h	Tue May 12 08:44:30 2009 +0930
+++ b/cons-reg.h	Sat Jan 01 19:43:34 2011 +1030
@@ -27,12 +27,13 @@
  */
 
 /* Decide what registers and ISRs to use */
-
-#ifdef UBRR0
+#ifdef UBRR0L
 /* Dual UART devices (eg ATMega324p) */
 #define _SETBAUD(x) do { \
-	UBRR0 = UART_BAUD_SELECT(x, F_CPU);	\
+	UBRR0L = (UART_BAUD_SELECT(x, F_CPU) & 0xff);		\
+	UBRR0H = (UART_BAUD_SELECT(x, F_CPU) << 8) & 0xff;	\
     } while(0)
+
 #define _INITREG() do {					\
 	UCSR0A = 0;					\
 	UCSR0B = _BV(RXEN0) | _BV(TXEN0) | _BV(RXCIE0);	\