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drivers/cc2420:improve send performance

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This commit is contained in:
PeterKietzmann 2016-09-27 17:16:57 +02:00
parent 94df5a81a8
commit 6d4011a325
1 changed files with 1 additions and 12 deletions
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13
drivers/cc2420/cc2420.c
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@ -160,6 +160,7 @@ size_t cc2420_tx_prepare(cc2420_t *dev, const struct iovec *data, unsigned count
size_t pkt_len = 2; /* include the FCS (frame check sequence) */
/* wait for any ongoing transmissions to be finished */
DEBUG("cc2420: tx_exec: waiting for any ongoing transmission\n");
while (cc2420_get_state(dev) & NETOPT_STATE_TX) {}
/* get and check the length of the packet */
@ -186,9 +187,6 @@ size_t cc2420_tx_prepare(cc2420_t *dev, const struct iovec *data, unsigned count
void cc2420_tx_exec(cc2420_t *dev)
{
/* make sure, any ongoing transmission is finished */
DEBUG("cc2420: tx_exec: waiting for any ongoing transmission\n");
while (cc2420_get_state(dev) & NETOPT_STATE_TX) {}
/* trigger the transmission */
if (dev->options & CC2420_OPT_TELL_TX_START) {
dev->netdev.netdev.event_callback(&dev->netdev.netdev,
@ -203,15 +201,6 @@ void cc2420_tx_exec(cc2420_t *dev)
DEBUG("cc2420: tx_exec: triggering TX without CCA\n");
cc2420_strobe(dev, CC2420_STROBE_TXON);
}
while (gpio_read(dev->params.pin_sfd)) {
puts("\t...ongoing}");
}
if (dev->options & CC2420_OPT_TELL_TX_END) {
dev->netdev.netdev.event_callback(&dev->netdev.netdev,
NETDEV2_EVENT_TX_COMPLETE);
}
DEBUG("cc2420: tx_exec: TX_DONE\n");
}
int cc2420_rx(cc2420_t *dev, uint8_t *buf, size_t max_len, void *info)