Serial frames always start with a start bit.
This bit was missing in frame size calculation.
Signed-off-by: Stefan Weil <w...@mail.berlios.de>
---
hw/serial.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/hw/serial.c b/hw/serial.c
index eb14f11..7552fee 100644
--- a/hw/serial.c
+++ b/hw/serial.c
@@ -231,15 +231,17 @@ static void serial_update_parameters(SerialState *s)
if (s->divider == 0)
return;
+ /* Start bit. */
frame_size = 1;
if (s->lcr & 0x08) {
+ /* Parity bit. */
+ frame_size++;
if (s->lcr & 0x10)
parity = 'E';
else
parity = 'O';
} else {
parity = 'N';
- frame_size = 0;
}
if (s->lcr & 0x04)
stop_bits = 2;
@@ -696,12 +698,12 @@ static void serial_reset(void *opaque)
s->lcr = 0;
s->lsr = UART_LSR_TEMT | UART_LSR_THRE;
s->msr = UART_MSR_DCD | UART_MSR_DSR | UART_MSR_CTS;
- /* Default to 9600 baud, no parity, one stop bit */
+ /* Default to 9600 baud, 1 start bit, 8 data bits, 1 stop bit, no parity.
*/
s->divider = 0x0C;
s->mcr = UART_MCR_OUT2;
s->scr = 0;
s->tsr_retry = 0;
- s->char_transmit_time = (get_ticks_per_sec() / 9600) * 9;
+ s->char_transmit_time = (get_ticks_per_sec() / 9600) * 10;
s->poll_msl = 0;
fifo_clear(s,RECV_FIFO);
--
1.5.6.5
