himipi-sys

Hi35XX MIPI API for Rust unsafe bindings.

Requirements

1. The target board toolchain must be installed and export to PATH:
   • hi3516ev200 - arm-himix100-linux.
   • hi3516ev300 - same as hi3516ev200.
   • hi3518ev200 - same as hi3516ev200.
   • hi3518ev300 - same as hi3516ev200.
   • hi3519av100 - arm-himix200-linux.
   • hi3531v100 - arm-hisiv100nptl-linux.
   • hi3559av100 - aarch64-himix100-linux.
2. The rust target must be installed for target board:
   • hi3516ev200 - armv7-unknown-linux-musleabihf.
   • hi3516ev300 - same as hi3516ev200.
   • hi3518ev200 - same as hi3516ev200.
   • hi3518ev300 - same as hi3516ev200.
   • hi3519av100 - aarch64-unknown-linux-gnu.
   • hi3531v100 - arm-unknown-linux-musleabi.
   • hi3559av100 - aarch64-unknown-linux-gnu.
3. Export MPP_DIR to directory that contains the mpp-lib.
4. Export SYS_INCLUDE to the directory that contains the system headers.
5. Export SYS_LIBDIR to the directory that contains the system libraries.

The toolchain and the mpp-lib you can get from the BSP sdk.

Envionment Defaults

Hi3516EV200

The Hi3616EV300、Hi3616EV200、Hi3618EV300 use the same SDK.

sh export PATH=/opt/hisi-linux/x86-arm/arm-himix100-linux/bin:$PATH export MPP_DIR=vendor/mpp-lib-Hi3516EV200_V1.0.1.0 export SYS_INCLUDE=/opt/hisi-linux/x86-arm/arm-himix100-linux/target/usr/include

Hi3519AV100

sh export PATH=/opt/hisi-linux/x86-arm/arm-himix200-linux/bin:$PATH export MPP_DIR=vendor/mpp-lib-Hi3519AV100_V2.0.2.0 export SYS_INCLUDE=/opt/hisi-linux/x86-arm/arm-himix200-linux/target/usr/include

Hi3531V100

sh export PATH=/opt/hisi-linux-nptl/arm-hisiv100-linux/target/bin:$PATH export MPP_DIR=vendor/mpp-lib-Hi3531V100_V1.0.D.0 export SYS_INCLUDE=/opt/hisi-linux-nptl/arm-hisiv100-linux/target/usr/include

Hi3559AV100

sh export PATH=/opt/hisi-linux/x86-arm/aarch64-himix100-linux/bin:$PATH export MPP_DIR=vendor/mpp-lib-Hi3559AV100_V2.0.2.0 export SYS_INCLUDE=/opt/hisi-linux/x86-arm/aarch64-himix100-linux/aarch64-linux-gnu/sys-include

Building

To build the package, you must set cross compile environments first.

There is some preset in .cargo/ can help you fasten setup the cross compile.

Example:

```sh

Setup for Hi3559AV100 boards

cp .cargo/hi3559av100.toml .cargo/config

or for link static libraries

cp .cargo/hi3559av100-static.toml .cargo/config

Build the package ...

cargo b ```

Make sure the hi3559av100 feature is enabled in the Cargo.toml, The hi3559av100 specified the target board, you can change to others, like: hi3531v100

Examples

```rs use himipisys::{HIBOOL, HIMIPISETHSMODE}; use libc::{close, ioctl, open, O_RDWR}; use std::ffi::CString;

fn main() { unsafe { let dev = CString::new("/dev/himipi").unwrap(); let fd = open(dev.asptr(), ORDWR); assert!(fd > 0); let val: lanedividemodet = lanedividemodet::LANEDIVIDEMODE0; let err = ioctl(fd, HIMIPISETHSMODE.into(), &val); assert_eq!(0, err); close(fd); } } ```