espressif/openthread
1
0
Fork 0
mirror of https://github.com/espressif/openthread.git synced 2026-08-04 18:07:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

[kw41z] radio driver fix to allow channel change (#2757)

Browse Source 
The NXP KW41Z radio driver prohibited changing channels while in receive
mode; this prevented the leader properly responding to MLE Announces from
orphaned child devices.
This commit is contained in:
tfrazel
2018-06-04 09:29:42 -07:00
committed by Jonathan Hui
parent bdc73dc193
commit 7ac94f674d
1 changed files with 17 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/platforms/kw41z/radio.c
+17 -16
View File
@@ -234,24 +234,25 @@ otError otPlatRadioReceive(otInstance *aInstance, uint8_t aChannel)
sState = OT_RADIO_STATE_RECEIVE;
otEXPECT(rf_get_state() != XCVR_RX_c);
/* Check if the channel needs to be changed */
if ((sChannel != aChannel) || (rf_get_state() != XCVR_RX_c))
{
rf_abort();
/* Set Power level for auto TX */
rf_set_tx_power(sAutoTxPwrLevel);
rf_set_channel(aChannel);
sRxFrame.mChannel = aChannel;
rf_abort();
/* Filter ACK frames during RX sequence */
ZLL->RX_FRAME_FILTER &= ~(ZLL_RX_FRAME_FILTER_ACK_FT_MASK);
/* Clear all IRQ flags */
ZLL->IRQSTS = ZLL->IRQSTS;
/* Start the RX sequence */
ZLL->PHY_CTRL |= XCVR_RX_c;
/* Set Power level for auto TX */
rf_set_tx_power(sAutoTxPwrLevel);
rf_set_channel(aChannel);
sRxFrame.mChannel = aChannel;
/* Filter ACK frames during RX sequence */
ZLL->RX_FRAME_FILTER &= ~(ZLL_RX_FRAME_FILTER_ACK_FT_MASK);
/* Clear all IRQ flags */
ZLL->IRQSTS = ZLL->IRQSTS;
/* Start the RX sequence */
ZLL->PHY_CTRL |= XCVR_RX_c;
/* Unmask SEQ interrupt */
ZLL->PHY_CTRL &= ~ZLL_PHY_CTRL_SEQMSK_MASK;
/* Unmask SEQ interrupt */
ZLL->PHY_CTRL &= ~ZLL_PHY_CTRL_SEQMSK_MASK;
}
exit:
return status;