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CC2541: Using CC2541 in central mode

Part Number: CC2541


Hi,

I want to use the CC2541 in my product, My board is already having one micro-controller which will handle all the business logic. I want to use CC2541 for BLE only. I read that we can use it in "Network Processor" configuration in which it will act only for BLE and communication with the micro-controller can be on UART/SPI.

I read that we can use NPI for the same.

Questions -

1. Is there any protocol in terms command/response to communicate with CC2541 when it is used as "Network Process".

2. Do we need to modify its default firmware to use it in "Network Processor" mode?

3. Is there sample code available?

Vishal N