altos: Clean up radio CRC handling

Make the FEC code just set the CRC_OK bit like the cc1111 radio does;
eliminates a bunch of weird conventions across the FEC API.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 1 insertions, 6 deletions

diff --git a/src/drivers/ao_cc1120.c b/src/drivers/ao_cc1120.c
index c974613e..30663042 100644
--- a/src/drivers/ao_cc1120.c
+++ b/src/drivers/ao_cc1120.c
@@ -690,12 +690,7 @@ ao_radio_recv(__xdata void *d, uint8_t size)
 
 	ao_radio_put();
 
-	/* Construct final packet */
-
-	if (ret && ((uint8_t *) d)[size] == 0 && ((uint8_t *)d)[size+1] == 0)
-		((uint8_t *) d)[size + 1] = 0x80;
-	else
-		((uint8_t *) d)[size + 1] = 0x00;
+	/* Store the received RSSI value; the crc-OK byte is already done */
 
 	((uint8_t *) d)[size] = (uint8_t) rssi;