Timing issue with different PHY settings in BLE5

spoerk / contiki

BLEach: Exploiting the Full Potential of IPv6 over BLE in Constrained Embedded IoT Devices

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Timing issue with different PHY settings in BLE5 #5

Closed onefreebjy closed 5 years ago

onefreebjy commented 6 years ago

Hi, I'm working on the new Bluetooth 5 radio with launchpad CC2640R2 recently. By altering the PHY setting from default 1 Mbps to 2 Mbps, (coded) 500 kbps, and 125 kbps, the master & slave commands could no longer proceed correctly and prompted with error code 0x1402 - NOSYNC. There must be some timing problems during connection event. Any thoughts about it?

spoerk commented 6 years ago

This indeed sounds like a timing problem of the individual connection events (master and slave commands). Is this problem still persisting?