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set rxlen to zero before enabling interrupts.

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This commit is contained in:
nvt-se 2007-12-17 16:37:15 +00:00
parent 2288cdecbb
commit 004143b6b8
1 changed files with 4 additions and 7 deletions
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11
platform/msb430/dev/cc1020.c
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@ -291,17 +291,16 @@ cc1020_read(void *buf, unsigned short size)
memcpy(buf, (char *)cc1020_rxbuf + HDRSIZE, len);
RIMESTATS_ADD(llrx);
// reset receiver
cc1020_rxlen = 0;
CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_SEARCHING);
//cc1020_rxstate = CC1020_RX_SEARCHING;
if ((cc1020_state & CC1020_TURN_OFF) && (cc1020_txlen == 0)) {
cc1020_off();
} else {
ENABLE_RX_IRQ();
}
// reset receiver
cc1020_rxlen = 0;
return len;
}
@ -451,14 +450,12 @@ interrupt(UART0RX_VECTOR) cc1020_rxhandler(void)
if (pktlen == 0 || pktlen > sizeof (cc1020_rxbuf)) {
cc1020_rxlen = 0;
CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_SEARCHING);
//cc1020_rxstate = CC1020_RX_SEARCHING;
}
} else if (cc1020_rxlen > HDRSIZE) {
if (cc1020_rxlen == pktlen) {
// disable receiver
DISABLE_RX_IRQ();
CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_PROCESSING);
//cc1020_rxstate = CC1020_RX_PROCESSING;
CC1020_SET_OPSTATE(CC1020_RX | CC1020_RX_PROCESSING);
// call receiver to copy from buffer
process_poll(&cc1020_receiver_process);