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clarify linux example instructions

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Julian Gaal 2019-04-16 01:12:42 +02:00 committed by GitHub
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@ -1,10 +1,10 @@
# MPU 6050 Rust Driver <img align="right" width="250" height="200" src="https://www.invensense.com/wp-content/uploads/2015/01/rp-mpu-6500.png"> # MPU 6050 Rust Driver <img align="right" width="300" height="250" src="https://www.invensense.com/wp-content/uploads/2015/01/rp-mpu-6500.png">
Platform agnostic driver for [MPU 6050 6-axis IMU](https://www.invensense.com/products/motion-tracking/6-axis/mpu-6500/) using [`embedded_hal`](https://github.com/rust-embedded/embedded-hal). Platform agnostic driver for [MPU 6050 6-axis IMU](https://www.invensense.com/products/motion-tracking/6-axis/mpu-6500/) using [`embedded_hal`](https://github.com/rust-embedded/embedded-hal).
[Datasheet](https://www.invensense.com/wp-content/uploads/2015/02/MPU-6500-Datasheet2.pdf) [Datasheet](https://www.invensense.com/wp-content/uploads/2015/02/MPU-6500-Datasheet2.pdf) | [Register Map Sheet](https://www.invensense.com/wp-content/uploads/2015/02/MPU-6000-Register-Map1.pdf)
[Register Map Sheet](https://www.invensense.com/wp-content/uploads/2015/02/MPU-6000-Register-Map1.pdf) [Docs](https://docs.rs/mpu6050/0.1.0/mpu6050/) | [Crate](https://crates.io/crates/mpu6050)
### Basic usage - [`linux_embedded_hal`](https://github.com/rust-embedded/linux-embedded-hal) example ### Basic usage - [`linux_embedded_hal`](https://github.com/rust-embedded/linux-embedded-hal) example
```rust ```rust
@ -13,7 +13,7 @@ use linux_embedded_hal::{I2cdev, Delay};
use i2cdev::linux::LinuxI2CError; use i2cdev::linux::LinuxI2CError;
fn main() -> Result<(), Error<LinuxI2CError>> { fn main() -> Result<(), Error<LinuxI2CError>> {
let i2c = I2cdev::new("/dev/i2c-1") let i2c = I2cdev::new("/dev/i2c-1") // or privide your owm on different platforms
.map_err(Error::I2c)?; .map_err(Error::I2c)?;
let delay = Delay; let delay = Delay;
@ -56,10 +56,25 @@ fn main() -> Result<(), Error<LinuxI2CError>> {
} }
} }
``` ```
#### Compile linux example #### Compile linux example (Rapsberry Pi 3B)
* full file [here](https://github.com/juliangaal/mpu6050/blob/master/src/bin/linux.rs) files [here](https://github.com/juliangaal/mpu6050/blob/master/example/)
* Requirements: `apt-get install -qq gcc-arm-linux-gnueabihf libc6-armhf-cross libc6-dev-armhf-cross`
* cross-compile with `cargo build --bin main --target=arm-unknown-linux-gnueabihf` Requirements:
```bash
$ apt-get install -qq gcc-armv7-linux-gnueabihf libc6-armhf-cross libc6-dev-armhf-cross
```
and all dependencies in `example/Cargo.toml`
Rustup:
```bash
$ rustup target add armv7-unknown-linux-gnueabihf
```
To configure the linker use `example/.cargo/config`
cross-compile with
```bash
$ cargo build --target=armv7-unknown-linux-gnueabihf
```
## TODO ## TODO
- [x] init with default settings - [x] init with default settings