| 131 | I: CpuBufferReader<Item = u8>, |
| 132 | { |
| 133 | async fn work( |
| 134 | &mut self, |
| 135 | io: &mut WorkIo, |
| 136 | mo: &mut MessageOutputs, |
| 137 | _b: &BlockMeta, |
| 138 | ) -> Result<()> { |
| 139 | let (mut input, in_tags) = self.input.slice_with_tags(); |
| 140 | let mut next_tag_index = None; |
| 141 | |
| 142 | if let Some((index, any)) = in_tags.iter().find_map(|x| match x { |
| 143 | ItemTag { |
| 144 | index, |
| 145 | tag: Tag::NamedAny(n, any), |
| 146 | } => { |
| 147 | if n == "wifi_start" { |
| 148 | Some((index, any)) |
| 149 | } else { |
| 150 | None |
| 151 | } |
| 152 | } |
| 153 | _ => None, |
| 154 | }) { |
| 155 | if *index == 0 { |
| 156 | // if !self.frame_complete { |
| 157 | // warn!("decoder: previous frame not complete, canceling."); |
| 158 | // } |
| 159 | let frame_param = any.downcast_ref::<FrameParam>().unwrap(); |
| 160 | if frame_param.n_symbols() <= MAX_SYM && frame_param.psdu_size() <= MAX_PSDU_SIZE { |
| 161 | self.frame_param = frame_param.clone(); |
| 162 | self.copied = 0; |
| 163 | self.frame_complete = false; |
| 164 | } else { |
| 165 | // warn!("decoder: frame too large, dropping. ({:?})", frame_param); |
| 166 | } |
| 167 | } else { |
| 168 | input = &input[0..*index]; |
| 169 | next_tag_index = Some(*index); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | // println!("decoder: input len {}, complete {}, copied {}, frame {:?}, tags {:?}", input.len(), self.frame_complete, self.copied, self.frame_param, tags); |
| 174 | |
| 175 | let max_i = input.len() / 48; |
| 176 | let mut i = 0; |
| 177 | let mut broke_early = false; |
| 178 | |
| 179 | // println!("decoder input: {:?}", &input[0..max_i * 48]); |
| 180 | |
| 181 | while i < max_i { |
| 182 | if self.copied < self.frame_param.n_symbols() { |
| 183 | // println!("copying {} of {}", self.copied, self.frame_param.n_symbols()); |
| 184 | self.rx_symbols[(self.copied * 48)..((self.copied + 1) * 48)] |
| 185 | .copy_from_slice(&input[(i * 48)..((i + 1) * 48)]); |
| 186 | } |
| 187 | |
| 188 | i += 1; |
| 189 | self.copied += 1; |
| 190 | |