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Bugfix: don't care about FIFOP when reading a packet; if the radio rx had been turned off before a packet was read, FIFOP would be zero and the packet would be trashed

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This commit is contained in:
adamdunkels 2010-03-16 18:10:09 +00:00
parent 6b7ec2d002
commit 67b0170a43
1 changed files with 3 additions and 7 deletions
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10
core/dev/cc2420.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: cc2420.c,v 1.44 2010/03/14 22:45:20 adamdunkels Exp $
* @(#)$Id: cc2420.c,v 1.45 2010/03/16 18:10:09 adamdunkels Exp $
*/
/*
* This code is almost device independent and should be easy to port.
@ -608,6 +608,7 @@ PROCESS_THREAD(cc2420_process, ev, data)
len = cc2420_read(packetbuf_dataptr(), PACKETBUF_SIZE);
if(len > 0) {
packetbuf_set_datalen(len);
NETSTACK_RDC.input();
#if CC2420_TIMETABLE_PROFILING
TIMETABLE_TIMESTAMP(cc2420_timetable, "end");
@ -631,12 +632,7 @@ cc2420_read(void *buf, unsigned short bufsize)
#endif /* CC2420_CONF_CHECKSUM */
pending = 0;
if(!FIFOP_IS_1) {
/* If FIFOP is 0, there is no packet in the RXFIFO. */
return 0;
}
GET_LOCK();
cc2420_packets_read++;