[riot-notifications] [RIOT-OS/RIOT] drivers/at86rf215: Add driver for the AT86RF215 dual-band IEEE 802.15.4-2015 radio (#12128)

tinstructor notifications at github.com
Mon Sep 30 14:42:07 CEST 2019


> > 2019-09-30 13:58:00,951 - INFO #  ping6 fe80::2068:3123:94f1:9637%
> 
> I think you forgot something here 😉
> 
> ```
> 2019-09-30 14:38:01,744 - INFO #  ping6 fe80::d0ae:c1b:2054:58f%7
> 2019-09-30 14:38:01,795 - INFO # 12 bytes from fe80::d0ae:c1b:2054:58f: icmp_seq=0 ttl=64 rssi=-49 dBm time=43.357 ms
> 2019-09-30 14:38:02,795 - INFO # 12 bytes from fe80::d0ae:c1b:2054:58f: icmp_seq=1 ttl=64 rssi=-49 dBm time=43.356 ms
> 2019-09-30 14:38:03,794 - INFO # 12 bytes from fe80::d0ae:c1b:2054:58f: icmp_seq=2 ttl=64 rssi=-51 dBm time=43.356 ms
> 2019-09-30 14:38:03,794 - INFO # 
> 2019-09-30 14:38:03,799 - INFO # --- fe80::d0ae:c1b:2054:58f PING statistics ---
> 2019-09-30 14:38:03,803 - INFO # 3 packets transmitted, 3 packets received, 0% packet loss
> 2019-09-30 14:38:03,809 - INFO # round-trip min/avg/max = 43.356/43.356/43.357 ms
> > ifconfig 7
> 2019-09-30 14:38:07,374 - INFO #  ifconfig 7
> 2019-09-30 14:38:07,379 - INFO # Iface  7  HWaddr: FA:73  Channel: 2  NID: 0x23  PHY: OFDM 
> 2019-09-30 14:38:07,385 - INFO #            Option: 4  MCS: 2 (QPSK, rate 1/2, 2x frequency repetition) 
> 2019-09-30 14:38:07,388 - INFO #           Long HWaddr: FA:73:82:30:0D:3E:1B:8F 
> 2019-09-30 14:38:07,398 - INFO #            TX-Power: 0dBm  State: IDLE  max. Retrans.: 3  CSMA Retries: 4 
> 2019-09-30 14:38:07,403 - INFO #           AUTOACK  ACK_REQ  CSMA  L2-PDU:102 MTU:1280  HL:64  RTR  
> 2019-09-30 14:38:07,406 - INFO #           6LO  IPHC  
> 2019-09-30 14:38:07,409 - INFO #           Source address length: 8
> 2019-09-30 14:38:07,412 - INFO #           Link type: wireless
> 2019-09-30 14:38:07,418 - INFO #           inet6 addr: fe80::f873:8230:d3e:1b8f  scope: local  VAL
> 2019-09-30 14:38:07,420 - INFO #           inet6 group: ff02::2
> 2019-09-30 14:38:07,423 - INFO #           inet6 group: ff02::1
> 2019-09-30 14:38:07,426 - INFO #           inet6 group: ff02::1:ff3e:1b8f
> 2019-09-30 14:38:07,426 - INFO #           
> 2019-09-30 14:38:07,433 - INFO #           Statistics for Layer 2
> 2019-09-30 14:38:07,435 - INFO #             RX packets 21  bytes 819
> 2019-09-30 14:38:07,437 - INFO #             TX packets 21 (Multicast: 9)  bytes 819
> 2019-09-30 14:38:07,441 - INFO #             TX succeeded 14 errors 0
> 2019-09-30 14:38:07,442 - INFO #           Statistics for IPv6
> 2019-09-30 14:38:07,445 - INFO #             RX packets 21  bytes 1200
> 2019-09-30 14:38:07,451 - INFO #             TX packets 21 (Multicast: 9)  bytes 1200
> 2019-09-30 14:38:07,456 - INFO #             TX succeeded 21 errors 0
> 2019-09-30 14:38:07,456 - INFO # 
> ```

Already caught that and now I've found what it is sort off. It seems that at least in option 4 and 3 (rest still to be tested) MCS 2 doesn't work but all other schemes do:
```bash
> ifconfig 7 set scheme 2
2019-09-30 14:39:18,329 - INFO #  ifconfig 7 set scheme 2
2019-09-30 14:39:18,345 - INFO # success: set modulation/coding scheme on interface 7 to 2
ping6 fe80::2068:3123:94f1:9637%7
2019-09-30 14:41:08,194 - INFO #  ping6 fe80::2068:3123:94f1:9637%7
2019-09-30 14:41:11,186 - INFO # 
2019-09-30 14:41:11,202 - INFO # --- fe80::2068:3123:94f1:9637 PING statistics ---
2019-09-30 14:41:11,205 - INFO # 3 packets transmitted, 0 packets received, 100% packet loss
```
At the receiver:
```bash
> ifconfig 7 set scheme 2
2019-09-30 14:39:22,760 - INFO #  ifconfig 7 set scheme 2
2019-09-30 14:39:22,762 - INFO # success: set modulation/coding scheme on interface 7 to 2
> ifconfig
2019-09-30 14:39:27,864 - INFO #  ifconfig
2019-09-30 14:39:27,866 - INFO # Iface  7  HWaddr: 22:68  Channel: 2  NID: 0x23 PHY: OFDM 
2019-09-30 14:39:27,868 - INFO #            Option: 3  MCS: 2 (QPSK, rate 1/2, 2x frequency repetition) 
2019-09-30 14:39:27,879 - INFO #           Long HWaddr: 22:68:31:23:94:F1:96:37 
2019-09-30 14:39:27,881 - INFO #            TX-Power: 0dBm  State: IDLE  max. Retrans.: 3  CSMA Retries: 4 
2019-09-30 14:39:27,882 - INFO #           AUTOACK  ACK_REQ  CSMA  L2-PDU:102 MTU:1280  HL:64  RTR  
2019-09-30 14:39:27,882 - INFO #           6LO  IPHC  
2019-09-30 14:39:27,896 - INFO #           Source address length: 8
2019-09-30 14:39:27,896 - INFO #           Link type: wireless
2019-09-30 14:39:27,897 - INFO #           inet6 addr: fe80::2068:3123:94f1:9637  scope: local  VAL
2019-09-30 14:39:27,898 - INFO #           inet6 group: ff02::2
2019-09-30 14:39:27,912 - INFO #           inet6 group: ff02::1
2019-09-30 14:39:27,913 - INFO #           inet6 group: ff02::1:fff1:9637
2019-09-30 14:39:27,913 - INFO #           inet6 group: ff02::1a
2019-09-30 14:39:27,913 - INFO #           
2019-09-30 14:39:27,914 - INFO #           Statistics for Layer 2
2019-09-30 14:39:27,914 - INFO #             RX packets 82  bytes 3260
2019-09-30 14:39:27,928 - INFO #             TX packets 89 (Multicast: 51)  bytes 3518
2019-09-30 14:39:27,929 - INFO #             TX succeeded 66 errors 0
2019-09-30 14:39:27,929 - INFO #           Statistics for IPv6
2019-09-30 14:39:27,930 - INFO #             RX packets 82  bytes 4792
2019-09-30 14:39:27,943 - INFO #             TX packets 89 (Multicast: 51)  bytes 5226
2019-09-30 14:39:27,944 - INFO #             TX succeeded 89 errors 0
2019-09-30 14:39:27,944 - INFO # 
```

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