Ti is offering free online training on Bluetooth low energy (BLE) devices. The materials are designed to cover topics appealing to a broad spectrum of experience levels from basic to advanced.
You can find more information and start the training at TI’s
TI’s training is good, but the problem is it’s not all generic and TI is obviously trying to sell their own devices. the CC2540 Bluetooth Chip is already quite old and consumes a lot of power.
Interested in learning BLE and How to implement a feature to test on target device using smartphone App.