Hi! I have been using Bluetooth 2.0 modules for years and now I want to take the step to 4.0/BLE. Previously I used Free2move modules with built in stack. Very simple, make a driver for settings parameters over UART and when just stream data through the module. I plan to use a 4.0 BLE Smart module but still it do not look like it can be so simple as it was without BLE. My system has a microcontroller there I run an RTOS that is sampling data and sends this to the Bluetooth module over the UART. Theese are my needs:
- Easy to use. I want it to be a ready made module and not having to put a stack inside my micro.
- Very small size. Most modules are actually larger than I want them to but I will accept whatever I can find for now.
- Cheap. This should be a high volume application. Still, because of limited developing resources I can't take the step directly to a custom implementation. 4, alternative a: Lossless sending of data. A byte transferred from the micro should always get to the receiver, sooner or later, as long as the entire link does not times out. The micro will take care of needed queuing. 4, alternative b: Short latency but not lossless. The micro will more or less just send data to the module but don't bother about if it reaches its destination or not. In this situation it is more important that a few bytes sent gets to the destination fast than all bytes but later.
The problem I have is that even after reading a lot of information I still do not know where to start and I do not know if I can solve both (one at a time) of my requirements of 4.
