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authorLinus Nielsen Feltzing <linus@haxx.se>2002-06-07 13:09:44 +0000
committerLinus Nielsen Feltzing <linus@haxx.se>2002-06-07 13:09:44 +0000
commit5aacc8872c4a6dcb16a5f08a7b631f9238f63a4f (patch)
treed40806f5e36a82651c2ab697fb251ef405b66c85 /firmware/drivers/serial.c
parenta1ca3b41b2f70e16e6344052e5169e480a7dfd24 (diff)
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Removed some warnings
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@911 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/drivers/serial.c')
-rw-r--r--firmware/drivers/serial.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/firmware/drivers/serial.c b/firmware/drivers/serial.c
index d101ab8..ca69147 100644
--- a/firmware/drivers/serial.c
+++ b/firmware/drivers/serial.c
@@ -19,19 +19,13 @@
#include "serial.h"
-#define TDRE 7 /* transmit data register empty */
-#define RDRF 6 /* receive data register full */
-#define ORER 5 /* overrun error */
-#define FER 4 /* frame error */
-#define PER 3 /* parity error */
-
static int serial_byte,serial_flag;
void serial_putc (char byte)
{
- while (!(SSR1 & (1<<TDRE)));
+ while (!(SSR1 & 0x80)); /* Wait for TDRE */
TDR1 = byte;
- clear_bit(TDRE,SSR1_ADDR);
+ SSR1 &= 0x80; /* Clear TDRE */
}
void serial_puts (char const *string)
@@ -63,7 +57,7 @@ void serial_setup (int baudrate)
#pragma interrupt
void REI1 (void)
{
- clear_bit (FER,SSR1_ADDR);
+ SSR1 &= 0x10; /* Clear FER */
}
#pragma interrupt
@@ -71,5 +65,5 @@ void RXI1 (void)
{
serial_byte = RDR1;
serial_flag = 1;
- clear_bit(RDRF,SSR1_ADDR);
+ SSR1 &= 0x40; /* Clear RDRF */
}