@wfarid wrote:
Hi there,
I got a Navio2 board and have a few questions regarding the GPS and MPU9250 modules:
1. Why are the GPS, MPU9250 and LSM9DS1 are connected to one SPI interface? Why not connect each sensor on a different SPI interface?
2. What is the micro-controller used for?
3. What is MPU9250_INT used for? I'm assuming it sends interrupts when data is ready on the MPU9250?
4. Is there any way to access the pinout of the raspberry pi from the Navio2 board? For example the SPI interface for the GPS, MPU9250 and LSM9DS1?
5. For Ardupilot, What are the data rates that you acquire from the GPS and the IMU (MPU9250 or LSM9DS1)? Where can I find the code under Ardupilot project to interface and switch between GPS and the IMU?Thanks!
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