Should subtract two bytes from the length to account for the two-bytes footer

This commit is contained in:
adamdunkels 2007-03-25 17:15:30 +00:00
parent 503b76266b
commit 96d8967673

View file

@ -28,7 +28,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* @(#)$Id: simple-cc2420.c,v 1.3 2007/03/22 23:55:48 adamdunkels Exp $ * @(#)$Id: simple-cc2420.c,v 1.4 2007/03/25 17:15:30 adamdunkels Exp $
*/ */
/* /*
* This code is almost device independent and should be easy to port. * This code is almost device independent and should be easy to port.
@ -416,7 +416,7 @@ simple_cc2420_read(u8_t *buf, u8_t bufsize)
FASTSPI_READ_FIFO_GARBAGE(len); FASTSPI_READ_FIFO_GARBAGE(len);
rx_fifo_remaining_bytes = 0; /* RX FIFO emptied! */ rx_fifo_remaining_bytes = 0; /* RX FIFO emptied! */
splx(s); splx(s);
len = 0; len = 2; /* We eventually return len - 2 */
} else { } else {
s = splhigh(); s = splhigh();
FASTSPI_READ_FIFO_NO_WAIT(buf, len - 2); FASTSPI_READ_FIFO_NO_WAIT(buf, len - 2);
@ -447,6 +447,6 @@ simple_cc2420_read(u8_t *buf, u8_t bufsize)
splx(s); splx(s);
} }
return len; return len - 2; /* Remove two bytes for the footer. */
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/