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Fix RSSI reading

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This commit is contained in:
Goebish 2019-09-17 22:14:55 +02:00
parent 9ae0b1c385
commit 0d8df1f6f9
1 changed files with 4 additions and 4 deletions
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8
Multiprotocol/FrSkyX_Rx_cc2500.ino
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@ -13,8 +13,8 @@
along with Multiprotocol. If not, see <http://www.gnu.org/licenses/>.
*/
#define FRSKYX_FCC_LENGTH 30
#define FRSKYX_LBT_LENGTH 33
#define FRSKYX_FCC_LENGTH 30+2
#define FRSKYX_LBT_LENGTH 33+2
enum {
FRSKYX_RX_BIND,
@ -122,7 +122,7 @@ static void __attribute__((unused)) frskyx_rx_calibrate()
uint8_t __attribute__((unused)) frskyx_rx_check_crc()
{
uint8_t limit = packet_length - 2;
uint8_t limit = packet_length - 4;
uint16_t lcrc = frskyX_crc_x(&packet[3], limit - 3); // computed crc
uint16_t rcrc = (packet[limit] << 8) | (packet[limit + 1] & 0xff); // received crc
return lcrc == rcrc;
@ -257,7 +257,7 @@ uint16_t FrSkyX_Rx_callback()
if (len >= packet_length) {
CC2500_ReadData(packet, packet_length);
if (packet[1] == frskyx_rx_txid[0] && packet[2] == frskyx_rx_txid[1] && packet[6] == frskyx_rx_txid[2] && frskyx_rx_check_crc()) {
frskyx_rx_rssi = CC2500_ReadReg(CC2500_READ_BURST | CC2500_34_RSSI);
frskyx_rx_rssi = packet[packet_length-2];
if(frskyx_rx_rssi >= 128)
frskyx_rx_rssi -= 128;
else