use chrono::{NaiveDate, NaiveDateTime};
use regex::Regex;
use std::env;
use std::fs::File;
use std::io::{BufRead, BufReader, Write};
use std::path::{Path, PathBuf};
type DynError = Box<dyn std::error::Error>;
#[derive(Clone, Default)]
struct MyError(String);
impl MyError {
pub fn new<S: AsRef<str>>(msg: S) -> Self {
Self {
0: String::from(msg.as_ref()),
}
}
}
impl std::fmt::Debug for MyError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "MyError {{ {} }}", self.0)
}
}
impl std::fmt::Display for MyError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{}", self.0)
}
}
impl std::error::Error for MyError {}
macro_rules! MyErr {
($msg: expr) => {
Err(Box::new(MyError::new($msg)))
};
}
#[derive(Copy, Clone, Debug, Default)]
struct MyParseCallbacks;
impl bindgen::callbacks::ParseCallbacks for MyParseCallbacks {
#[allow(clippy::single_match)]
fn item_name(&self, original_item_name: &str) -> Option<String> {
match original_item_name {
"hifbDYNAMIC_RANGE_E" => {
return Some(String::from("HIFB_DYNAMIC_RANGE_E"));
}
_ => {}
}
let re = Regex::new(r"^(hi|hifb)([^a-z]+)$").unwrap();
if let Some(cap) = re.captures_iter(original_item_name).next() {
return Some(cap[2].to_string());
}
let re = Regex::new(r"^(hi|hifb)([^a-z]+)__bindgen_ty_(\d)$").unwrap();
if let Some(cap) = re.captures_iter(original_item_name).next() {
return Some(format!("{}_U{}", &cap[2], &cap[3]));
}
None
}
}
fn detect_mpp_path(mpp_dir: &str) -> Result<PathBuf, DynError> {
let dir = env::var("CARGO_MANIFEST_DIR").unwrap();
let mut base_path = Path::new(&dir);
for _a in 0..9 {
let np = base_path.join(mpp_dir);
let path = Path::new(&np);
if path.exists() {
return Ok(path.to_path_buf());
}
match base_path.parent() {
Some(v) => base_path = v,
None => break,
}
}
MyErr!(format!("The `MPP_DIR={}` does not detected!", mpp_dir))
}
fn detect_sdkver(mpp_dir: &str) -> Option<&str> {
let autoconf = Path::new(mpp_dir).join("include").join("autoconf.h");
if let Ok(file) = File::open(autoconf) {
let re = Regex::new(r#"#define\sAUTOCONF_TIMESTAMP\s"([^"]+)""#).unwrap();
let reader = BufReader::new(file);
for line in reader.lines() {
if let Ok(ref line) = line {
if let Some(caps) = re.captures(line) {
if let Ok(ts) = NaiveDateTime::parse_from_str(&caps[1], "%Y-%m-%d %H:%M:%S CST")
{
let ymd = ts.date();
if ymd == NaiveDate::from_ymd(2018, 12, 21) {
return Some("2.0.2.0"); } else if ymd == NaiveDate::from_ymd(2019, 9, 16) {
return Some("2.0.3.1"); } else {
break;
}
}
}
}
}
}
None
}
fn setup_envir() -> Result<(), DynError> {
if let Ok(val) = env::var("TARGET") {
if val == "x86_64-unknown-linux-gnu" {
return MyErr!("Target not supported!");
}
}
if env::var("MPP_DIR").is_err() {
#[cfg(any(
feature = "hi3516ev200",
feature = "hi3516ev300",
feature = "hi3518ev200",
feature = "hi3518ev300"
))]
env::set_var(
"MPP_DIR",
detect_mpp_path("vendor/mpp-lib-Hi3516EV200_V1.0.1.0").unwrap(),
);
#[cfg(feature = "hi3531v100")]
env::set_var(
"MPP_DIR",
detect_mpp_path("vendor/mpp-lib-Hi3531V100_V1.0.D.0").unwrap(),
);
#[cfg(feature = "hi3559av100")]
env::set_var(
"MPP_DIR",
detect_mpp_path("vendor/mpp-lib-Hi3559AV100_V2.0.2.0").unwrap(),
);
}
if env::var("SYS_INCLUDE").is_err() {
#[cfg(any(
feature = "hi3516ev200",
feature = "hi3516ev300",
feature = "hi3518ev200",
feature = "hi3518ev300"
))]
env::set_var(
"SYS_INCLUDE",
"/opt/hisi-linux/x86-arm/arm-himix100-linux/target/usr/include",
);
#[cfg(feature = "hi3531v100")]
env::set_var(
"SYS_INCLUDE",
"/opt/hisi-linux-nptl/arm-hisiv100-linux/target/usr/include",
);
#[cfg(feature = "hi3559av100")]
env::set_var(
"SYS_INCLUDE",
"/opt/hisi-linux/x86-arm/aarch64-himix100-linux/aarch64-linux-gnu/sys-include",
);
}
Ok(())
}
fn main() -> Result<(), DynError> {
if cfg!(not(any(
feature = "hi3516ev200",
feature = "hi3516ev300",
feature = "hi3518ev200",
feature = "hi3518ev300",
feature = "hi3519av100",
feature = "hi3531v100",
feature = "hi3559av100",
))) {
return MyErr!("The target board does not specified!");
}
println!("cargo:rerun-if-env-changed=MPP_DIR");
println!("cargo:rerun-if-env-changed=SYS_INCLUDE");
println!("cargo:rerun-if-changed=build.rs");
setup_envir()?;
let mpp_dir = env::var("MPP_DIR").unwrap();
if !Path::new(&mpp_dir).exists() {
return MyErr!(format!("The `MPP_DIR={}` does not exists", mpp_dir));
}
if let Some(ver) = detect_sdkver(&mpp_dir) {
println!("cargo:rustc-cfg=sdkver=\"{}\"", ver);
}
println!("cargo:rustc-link-search=native={}/lib", mpp_dir);
let wrapper_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("wrapper.h");
let wrapper_path = wrapper_path.to_str().unwrap();
let mut wrapper = File::create(wrapper_path).unwrap();
writeln!(wrapper, "#include <hi_mipi.h>")?;
let bindings = bindgen::Builder::default()
.header(wrapper_path)
.default_enum_style(bindgen::EnumVariation::Rust {
non_exhaustive: false,
})
.anon_fields_prefix("un")
.derive_debug(true)
.impl_debug(false)
.derive_default(true)
.derive_partialeq(true)
.derive_eq(true)
.impl_partialeq(true)
.whitelist_function("^HI_.*")
.whitelist_type("combo_dev_t")
.whitelist_type("sns_rst_source_t")
.whitelist_type("sns_clk_source_t")
.whitelist_type("lane_divide_mode_t")
.whitelist_type("work_mode_t")
.whitelist_type("input_mode_t")
.whitelist_type("mipi_data_rate_t")
.whitelist_type("img_rect_t")
.whitelist_type("img_size_t")
.whitelist_type("data_type_t")
.whitelist_type("mipi_wdr_mode_t")
.whitelist_type("slvs_lane_rate_t")
.whitelist_type("mipi_dev_attr_t")
.whitelist_type("wdr_mode_t")
.whitelist_type("lvds_sync_mode_t")
.whitelist_type("lvds_vsync_type_t")
.whitelist_type("lvds_vsync_attr_t")
.whitelist_type("lvds_fid_type_t")
.whitelist_type("lvds_fid_attr_t")
.whitelist_type("lvds_bit_endian_t")
.whitelist_type("lvds_dev_attr_t")
.whitelist_type("slvs_dev_attr_t")
.whitelist_type("combo_dev_attr_t")
.whitelist_type("phy_cmv_mode_t")
.whitelist_type("phy_cmv_t")
.whitelist_type("^HI_.*$")
.whitelist_type("^MIPI_FRAME_INT_ERR")
.whitelist_type("^MIPI_PKT_INT1_ERR")
.whitelist_type("^MIPI_PKT_INT2_ERR")
.whitelist_type("^LINK_INT_STAT")
.whitelist_type("^MIPI_CTRL_INT_ERR")
.whitelist_type("^LVDS_CTRL_INTR_ERR")
.whitelist_type("^ALIGN_CTRL_INT_ERR")
.whitelist_type("^SLVS_LINK_INT_STAT")
.whitelist_var("^COMBO.*")
.whitelist_var("^CMOS.*")
.whitelist_var("^HI.*")
.whitelist_var("^LVDS.*")
.whitelist_var("^MAX.*")
.whitelist_var("^MIPI.*")
.whitelist_var("^SLVS.*")
.whitelist_var("^SNS.*")
.whitelist_var("^SYNC.*")
.whitelist_var("^WDR.*")
.use_core()
.clang_arg(format!("-I{}/include", env::var("MPP_DIR").unwrap()))
.clang_arg(format!("-I{}", env::var("SYS_INCLUDE").unwrap()))
.parse_callbacks(Box::new(MyParseCallbacks::default()))
.generate()
.expect("Unable to generate bindings");
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
bindings
.write_to_file(out_path.join("bindings.rs"))
.expect("Couldn't write bindings!");
Ok(())
}