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atusb/fw/mac.c: check CRC and auto-discard bad frames

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This commit is contained in:
Werner Almesberger 2013-03-29 17:02:24 -03:00
parent 5fc9575e4e
commit 211280356d
1 changed files with 8 additions and 1 deletions
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9
atusb/fw/mac.c
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@ -90,7 +90,10 @@ static int handle_irq(void)
return 1; return 1;
spi_begin(); spi_begin();
spi_send(AT86RF230_BUF_READ); if (!(spi_io(AT86RF230_BUF_READ) & RX_CRC_VALID)) {
spi_end();
return 1;
}
size = spi_recv(); size = spi_recv();
if (!size || (size & 0x80)) { if (!size || (size & 0x80)) {
spi_end(); spi_end();
@ -181,4 +184,8 @@ void mac_reset(void)
mac_irq = NULL; mac_irq = NULL;
txing = 0; txing = 0;
queued_tx_ack = 0; queued_tx_ack = 0;
/* enable CRC and PHY_RSSI (with RX_CRC_VALID) in SPI status return */
reg_write(REG_TRX_CTRL_1,
TX_AUTO_CRC_ON | SPI_CMD_MODE_PHY_RSSI << SPI_CMD_MODE_SHIFT);
} }