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-rw-r--r--src/drivers/ao_cc1120.c23
-rw-r--r--src/drivers/ao_packet.c4
-rw-r--r--src/drivers/ao_packet_master.c2
3 files changed, 19 insertions, 10 deletions
diff --git a/src/drivers/ao_cc1120.c b/src/drivers/ao_cc1120.c
index 07ebf835..b6b77a5a 100644
--- a/src/drivers/ao_cc1120.c
+++ b/src/drivers/ao_cc1120.c
@@ -32,6 +32,8 @@ static uint8_t ao_radio_mcu_wake; /* MARC status change */
static uint8_t ao_radio_marc_status; /* Last read MARC status value */
static uint8_t ao_radio_tx_finished; /* MARC status indicates TX finished */
+int8_t ao_radio_rssi; /* Last received RSSI value */
+
#define CC1120_DEBUG AO_FEC_DEBUG
#define CC1120_TRACE 0
@@ -552,6 +554,7 @@ ao_radio_get(uint8_t len)
static uint32_t last_radio_setting;
ao_mutex_get(&ao_radio_mutex);
+
if (!ao_radio_configured)
ao_radio_setup();
if (ao_config.radio_setting != last_radio_setting) {
@@ -909,7 +912,8 @@ ao_radio_recv(__xdata void *d, uint8_t size, uint8_t timeout)
{
uint8_t len;
uint16_t i;
- uint8_t rssi;
+ uint8_t radio_rssi = 0;
+ uint8_t rssi0;
uint8_t ret;
static int been_here = 0;
@@ -977,17 +981,26 @@ ao_radio_recv(__xdata void *d, uint8_t size, uint8_t timeout)
ao_radio_burst_read_stop();
abort:
- ao_radio_strobe(CC1120_SIDLE);
-
/* Convert from 'real' rssi to cc1111-style values */
- rssi = AO_RADIO_FROM_RSSI(ao_radio_reg_read(CC1120_RSSI1));
+ rssi0 = ao_radio_reg_read(CC1120_RSSI0);
+ if (rssi0 & 1) {
+ int8_t rssi = ao_radio_reg_read(CC1120_RSSI1);
+ ao_radio_rssi = rssi;
+
+ /* Bound it to the representable range */
+ if (rssi > -11)
+ rssi = -11;
+ radio_rssi = AO_RADIO_FROM_RSSI (rssi);
+ }
+
+ ao_radio_strobe(CC1120_SIDLE);
ao_radio_put();
/* Store the received RSSI value; the crc-OK byte is already done */
- ((uint8_t *) d)[size] = (uint8_t) rssi;
+ ((uint8_t *) d)[size] = radio_rssi;
#if AO_PROFILE
rx_last_done_tick = rx_done_tick;
diff --git a/src/drivers/ao_packet.c b/src/drivers/ao_packet.c
index 802d4c90..8cdf85a9 100644
--- a/src/drivers/ao_packet.c
+++ b/src/drivers/ao_packet.c
@@ -31,7 +31,6 @@ __xdata uint8_t ao_packet_restart;
#if PACKET_HAS_MASTER
__xdata uint8_t ao_packet_master_sleeping;
-__xdata uint8_t ao_packet_last_rssi;
#endif
void
@@ -85,9 +84,6 @@ ao_packet_recv(void)
if (!(ao_rx_packet.status & AO_RADIO_STATUS_CRC_OK))
return 0;
-#if PACKET_HAS_MASTER
- ao_packet_last_rssi = ao_rx_packet.rssi;
-#endif
/* Accept packets with matching call signs, or any packet if
* our callsign hasn't been configured
*/
diff --git a/src/drivers/ao_packet_master.c b/src/drivers/ao_packet_master.c
index 4c0dc573..d6c99cbd 100644
--- a/src/drivers/ao_packet_master.c
+++ b/src/drivers/ao_packet_master.c
@@ -145,7 +145,7 @@ ao_packet_forward(void) __reentrant
static void
ao_packet_signal(void)
{
- printf ("RSSI: %d\n", AO_RSSI_FROM_RADIO(ao_packet_last_rssi));
+ printf ("RSSI: %d\n", ao_radio_rssi);
}
__code struct ao_cmds ao_packet_master_cmds[] = {