The connection can be established only when the Dongle is not scanning. Can you please ensure that the scanning is stopped before you click connect?
Also, I have attached a C# Dongle Simple Example project which shows how to scan, connect, read, write, receive notifications, disconnect. The corresponding BLE project for PSoC creator is also attached.
Good day Madhu Sudhan,
Thank you for the reply.
Yes, I have got it to work after the scanning callback is stopped.
May I ask another question if the Cypress Dongle allows simultaneous connection to more than 1 BLE devices at one time?
For your advice.
Thank you & Best Regards,
Tat Weng Chia
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Cypress dongle does not allow multiple connection simultaneously.You will need to time multiplex the connection.