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stm32-sx1280: ignore empty packets

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This commit is contained in:
Matthias Ringwald 2020-09-22 22:56:17 +02:00
parent 9c622d6f86
commit ba57c415a5
1 changed files with 13 additions and 6 deletions
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19
chipset/sx128x/ll_sx1280.c
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@ -620,16 +620,23 @@ static void radio_fetch_rx_pdu(void){
// fetch reserved rx pdu
ll_pdu_t * rx_packet = ctx.rx_pdu;
btstack_assert(rx_packet != NULL);
ctx.rx_pdu = NULL;
// mark as data packet
rx_packet->flags |= LL_PDU_FLAG_DATA_PDU;
// read max packet
uint16_t max_packet_len = 2 + 27;
SX1280HalReadBuffer( SX1280_RX0_OFFSET, &rx_packet->header, max_packet_len);
// queue received packet
btstack_linked_queue_enqueue(&ctx.rx_queue, (btstack_linked_item_t *) rx_packet);
// queue if not empty
if (rx_packet->len != 0){
// packet used
ctx.rx_pdu = NULL;
// mark as data packet
rx_packet->flags |= LL_PDU_FLAG_DATA_PDU;
// queue received packet
btstack_linked_queue_enqueue(&ctx.rx_queue, (btstack_linked_item_t *) rx_packet);
}
}
/** Radio IRQ handlers */