Because the work signed is the development of Bluetooth protocol stack, and is the kind of bottom, the assembly is the only tool for the company platform. But the things in the past always do not want to be wasted, design patterns, C, those used more handy things. So, still want to do something, this time last year, has been busy to a domestic audio codec company to do supporting the HCI Bluetooth chip, they use the Cortext M3 core, and the bottom of the software library are all packaged up. Because I am still more familiar with Bluetooth, I want to do it all down, and so there is a general appearance, and then the code published. Because it is only leisure time, so the progress may be very slow, but I will update 1.1 points, in view of the level of problems, welcome to the road, the aunt pointed, criticized, shoot bricks.
Hardware platform: Stm32
Operating system: Rt-thread
Rt-thread is a domestic open source operating system, because I am also in Shanghai, so with this set of things.
1, STM32 does not rely on interrupt DMA serial port
DIY Bluetooth Speaker outline