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decoder state bug fix.

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This commit is contained in:
gardners 2013-02-05 17:32:18 +10:30 committed by Jeremy Lakeman
parent 92f2573998
commit 0de64d0363
1 changed files with 4 additions and 9 deletions
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13
overlay_packetradio.c
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@ -48,7 +48,6 @@ int overlay_packetradio_setup_port(overlay_interface *interface)
int overlay_rx_packet_complete(overlay_interface *interface)
{
dump("received packet",interface->rxbuffer,interface->recv_offset);
if (interface->recv_offset) {
// dispatch received packet
if (packetOkOverlay(interface, interface->rxbuffer, interface->recv_offset, -1,
@ -151,18 +150,18 @@ void overlay_packetradio_poll(struct sched_ent *alarm)
switch (interface->decoder_state) {
case DC_ESC:
// escaped character
interface->decoder_state=DC_NORMAL;
switch(buffer[i]) {
case SLIP_ESC_END: // escaped END byte
overlay_rx_packet_append_byte(interface,SLIP_END);
overlay_rx_packet_append_byte(interface,SLIP_END);
break;
case SLIP_ESC_ESC: // escaped escape character
overlay_rx_packet_append_byte(interface,SLIP_ESC);
break;
default: /* Unknown escape character. This is an error. */
if (config.debug.packetradio)
WARN("Packet radio stream contained illegal escape sequence -- ignoring packet.");
interface->decoder_state=DC_NORMAL;
interface->recv_offset=0;
WARNF("Packet radio stream contained illegal escaped byte 0x%02x -- ignoring packet.",buffer[i]);
// interface->recv_offset=0;
break;
}
break;
@ -223,8 +222,6 @@ int overlay_packetradio_tx_packet(int interface_number,
int out_len=0;
int i;
dump("unencapsulated",bytes,len);
buffer[out_len++]=SLIP_END;
for(i=0;i<len;i++)
{
@ -243,8 +240,6 @@ int overlay_packetradio_tx_packet(int interface_number,
}
buffer[out_len++]=SLIP_END;
dump("SLIP encapsulated",buffer,out_len);
if (config.debug.packetradio) DEBUGF("Encoded length is %d",out_len);
int written=write(overlay_interfaces[interface_number].alarm.poll.fd,