upgrade to esp-wifi 0.9.1 (#51)

* upgrade to esp-wifi 0.9.1

removed duplicate functions
increased heap memory
updated examples cargo.toml

* reduced heap size back, will not run but will compile

on esp32 the increased size of the heap does not compile.

* removed unused StrBuf::from

Author: yanshay

Cargo.toml

@@ -42,7 +42,7 @@ embassy-net = { version = "0.4.0", features = [
 ], optional = true }
 
 
-esp-wifi = { version = "0.8.0", features = [
+esp-wifi = { version = "0.9.1", features = [
     "phy-enable-usb",
     "embedded-svc",
     "wifi-default",

esp-mbedtls/src/compat/mod.rs

@@ -1,123 +1,7 @@
-use core::ffi::VaListImpl;
-use core::fmt::Write;
-
 /// Implements edge-nal traits
 #[cfg(feature = "edge-nal")]
 pub mod edge_nal_compat;
 
-#[no_mangle]
-pub unsafe extern "C" fn snprintf(dst: *mut u8, n: u32, format: *const u8, args: ...) -> i32 {
-    vsnprintf(dst, n, format, args)
-}
-
-#[no_mangle]
-extern "C" fn vsnprintf(
-    dst: *mut u8,
-    _max_len: u32,
-    format: *const u8,
-    mut args: VaListImpl,
-) -> i32 {
-    unsafe {
-        let fmt_str_ptr = format;
-        let mut res_str = StrBuf::new();
-
-        let strbuf = StrBuf::from(fmt_str_ptr);
-        let s = strbuf.as_str_ref();
-
-        let mut format_char = ' ';
-        let mut is_long = false;
-        let mut found = false;
-        for c in s.chars().into_iter() {
-            if !found {
-                if c == '%' {
-                    found = true;
-                }
-
-                if !found {
-                    res_str.append_char(c);
-                }
-            } else {
-                if c.is_numeric() || c == '-' || c == 'l' || c == 'z' || c == '#' {
-                    if c == 'l' {
-                        is_long = true;
-                    }
-                    // ignore
-                } else {
-                    // a format char
-                    format_char = c;
-                }
-            }
-
-            if found && format_char != ' ' {
-                // have to format an arg
-                match format_char {
-                    'd' => {
-                        if is_long {
-                            let v = args.arg::<i32>();
-                            write!(res_str, "{}", v).ok();
-                        } else {
-                            let v = args.arg::<i32>();
-                            write!(res_str, "{}", v).ok();
-                        }
-                    }
-
-                    'u' => {
-                        let v = args.arg::<u32>();
-                        write!(res_str, "{}", v).ok();
-                    }
-
-                    'p' => {
-                        let v = args.arg::<u32>();
-                        write!(res_str, "0x{:x}", v).ok();
-                    }
-
-                    'X' => {
-                        let v = args.arg::<u32>();
-                        write!(res_str, "{:02x}", (v & 0xff000000) >> 24).ok();
-                    }
-
-                    'x' => {
-                        let v = args.arg::<u32>();
-                        write!(res_str, "{:02x}", v).ok();
-                    }
-
-                    's' => {
-                        let v = args.arg::<u32>() as *const i8;
-                        let str = core::ffi::CStr::from_ptr(v);
-                        let str = match str.to_str() {
-                            Ok(str) => str,
-                            Err(_err) => "Invalid",
-                        };
-                        write!(res_str, "{}", str).ok();
-                    }
-
-                    'c' => {
-                        let v = args.arg::<u8>();
-                        if v != 0 {
-                            write!(res_str, "{}", v as char).ok();
-                        }
-                    }
-
-                    _ => {
-                        write!(res_str, "<UNKNOWN{}>", format_char).ok();
-                    }
-                }
-
-                format_char = ' ';
-                found = false;
-                is_long = false;
-            }
-        }
-
-        // TODO apply max_len
-        core::ptr::copy_nonoverlapping(res_str.buffer.as_ptr(), dst, res_str.len);
-        let idx = res_str.len as isize;
-        *(dst.offset(idx)) = 0;
-
-        idx as i32
-    }
-}
-
 #[no_mangle]
 extern "C" fn rand() -> crate::c_ulong {
     unsafe { crate::random() }
@@ -136,22 +20,6 @@ impl StrBuf {
         }
     }
 
-    pub unsafe fn from(c_str: *const u8) -> StrBuf {
-        let mut res = StrBuf {
-            buffer: [0u8; 512],
-            len: 0,
-        };
-
-        let mut idx: usize = 0;
-        while *(c_str.offset(idx as isize)) != 0 {
-            res.buffer[idx] = *(c_str.offset(idx as isize));
-            idx += 1;
-        }
-
-        res.len = idx;
-        res
-    }
-
     pub fn append(&mut self, s: &str) {
         let mut idx: usize = self.len;
         s.chars().for_each(|c| {