From f14850dbf6369dc42df913c407bda51efb1c620c Mon Sep 17 00:00:00 2001
From: Leo C
Date: Sun, 24 Aug 2014 23:22:58 +0200
Subject: use env var 'baudrate'

---
 avr/serial.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'avr/serial.c')

diff --git a/avr/serial.c b/avr/serial.c
index b2fea51..a5e2846 100644
--- a/avr/serial.c
+++ b/avr/serial.c
@@ -36,7 +36,7 @@ uint8_t tx_ring_buffer[BUFFER_SIZE];
 
 /* Initialize UART */
 
-void usart0_setup(void) {
+void usart0_setup(unsigned long baud) {
 
 	ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
 
@@ -48,7 +48,7 @@ void usart0_setup(void) {
 		ring_init(&tx_ring, tx_ring_buffer, BUFFER_SIZE);
 
 		UCSR0A = 0;
-		UBRR0  = F_CPU / BAUD / 16 - 1;
+		UBRR0  = F_CPU / baud / 16 - 1;
 		UCSR0B = _BV(RXCIE0) | _BV(RXEN0) | _BV(TXEN0);
 		UCSR0C = 3 << UCSZ00;
 	};
@@ -82,10 +82,10 @@ ISR(USART0_UDRE_vect)
 
 /*--------------------------------------------------------------------------*/
 
-void serial_setup(void)
+void serial_setup(unsigned long baud)
 {
 	stdout = &mystdout;
-	usart0_setup();
+	usart0_setup(baud);
 }
 
 /*--------------------------------------------------------------------------*/
-- 
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