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cpu/cc2538: use RX FIFO count to determine CRC OK location

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Thijs Havinga 2024-11-06 14:41:37 +01:00 committed by GitHub
parent 06aaf648e3
commit 81358aa7b3
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1 changed files with 3 additions and 3 deletions
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cpu/cc2538/radio/cc2538_rf_radio_ops.c
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@ -412,9 +412,9 @@ void cc2538_irq_handler(void)
if (flags_f0 & RXPKTDONE) {
handled_f0 |= RXPKTDONE;
/* CRC check */
uint8_t pkt_len = rfcore_peek_rx_fifo(0);
if (rfcore_peek_rx_fifo(pkt_len) & CC2538_CRC_BIT_MASK) {
/* CRC_OK bit is in the last byte in the RX FIFO */
uint8_t crc_loc = RFCORE_XREG_RXFIFOCNT - 1;
if (rfcore_peek_rx_fifo(crc_loc) & CC2538_CRC_BIT_MASK) {
/* Disable RX while the frame has not been processed */
_disable_rx();
/* If AUTOACK is disabled or the ACK request bit is not set */