uart: fix return value of send functions

[aversive.git] / modules / comm / uart / uart_send9_nowait.c

diff --git a/modules/comm/uart/uart_send9_nowait.c b/modules/comm/uart/uart_send9_nowait.c
index d22ef7b..86bed9c 100644 (file)
--- a/modules/comm/uart/uart_send9_nowait.c
+++ b/modules/comm/uart/uart_send9_nowait.c
@@ -25,7 +25,7 @@
 #include <uart_defs.h>
 #include <uart_private.h>
 
-int uart_send_9bits_nowait(int c)
+int uart_send_9bits_nowait(uint8_t num, int c)
 {
        uint8_t flags;
        IRQ_LOCK(flags);
@@ -36,7 +36,7 @@ int uart_send_9bits_nowait(int c)
                if (*uart_regs[num].ucsra & (1<<UDRE)) {
                        uart_set_udr_9bits(c);
                        IRQ_UNLOCK(flags);
-                       return c;
+                       return 0;
                }
                else {
                        IRQ_UNLOCK(flags);
@@ -61,5 +61,5 @@ int uart_send_9bits_nowait(int c)
        }
 
        IRQ_UNLOCK(flags);
-       return (int)c;
+       return 0;
 }